system: x86_64-linux | build_time: 32 seconds | https://github.com/NixOS/nixpkgs/pull/128675

nufraw

@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking sources
unpacking source archive /nix/store/qdw6gwkd2s7iqa5w5j7z71pxlg3pq76r-nufraw-0.43-3.tar.gz
source root is nufraw-0.43-3
setting SOURCE_DATE_EPOCH to timestamp 1583143784 of file nufraw-0.43-3/nufraw_ui.c
@nix { "action": "setPhase", "phase": "patchPhase" }
patching sources
@nix { "action": "setPhase", "phase": "autoreconfPhase" }
autoreconfPhase
autoreconf: export WARNINGS=
autoreconf: Entering directory '.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force 
autoreconf: configure.ac: tracing
autoreconf: configure.ac: not using Libtool
autoreconf: configure.ac: not using Intltool
autoreconf: configure.ac: not using Gtkdoc
autoreconf: running: /nix/store/gw2d87xlkglp28b3i1nksrpb290zdibb-autoconf-2.71/bin/autoconf --force
configure.ac:204: warning: The macro `GLIB_GNU_GETTEXT' is obsolete.
configure.ac:204: You should run autoupdate.
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:488: AM_GLIB_GNU_GETTEXT is expanded from...
configure.ac:204: the top level
configure.ac:204: warning: The macro `AC_TRY_LINK' is obsolete.
configure.ac:204: You should run autoupdate.
./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
lib/m4sugar/m4sh.m4:692: _AS_IF_ELSE is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/general.m4:2249: AC_CACHE_VAL is expanded from...
./lib/autoconf/general.m4:2270: AC_CACHE_CHECK is expanded from...
aclocal.m4:73: GLIB_LC_MESSAGES is expanded from...
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:488: AM_GLIB_GNU_GETTEXT is expanded from...
configure.ac:204: the top level
configure.ac:204: warning: The macro `AC_TRY_LINK' is obsolete.
configure.ac:204: You should run autoupdate.
./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
lib/m4sugar/m4sh.m4:692: _AS_IF_ELSE is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/general.m4:2249: AC_CACHE_VAL is expanded from...
./lib/autoconf/general.m4:2270: AC_CACHE_CHECK is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/headers.m4:89: _AC_CHECK_HEADER_COMPILE is expanded from...
./lib/autoconf/headers.m4:56: AC_CHECK_HEADER is expanded from...
aclocal.m4:172: GLIB_WITH_NLS is expanded from...
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:488: AM_GLIB_GNU_GETTEXT is expanded from...
configure.ac:204: the top level
configure.ac:204: warning: The macro `AC_TRY_LINK' is obsolete.
configure.ac:204: You should run autoupdate.
./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/headers.m4:89: _AC_CHECK_HEADER_COMPILE is expanded from...
./lib/autoconf/headers.m4:56: AC_CHECK_HEADER is expanded from...
aclocal.m4:172: GLIB_WITH_NLS is expanded from...
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:488: AM_GLIB_GNU_GETTEXT is expanded from...
configure.ac:204: the top level
configure.ac:204: warning: The macro `AC_OUTPUT_COMMANDS' is obsolete.
configure.ac:204: You should run autoupdate.
./lib/autoconf/status.m4:1025: AC_OUTPUT_COMMANDS is expanded from...
aclocal.m4:172: GLIB_WITH_NLS is expanded from...
aclocal.m4:388: GLIB_GNU_GETTEXT is expanded from...
aclocal.m4:488: AM_GLIB_GNU_GETTEXT is expanded from...
configure.ac:204: the top level
configure.ac:264: warning: The macro `AC_TRY_CPP' is obsolete.
configure.ac:264: You should run autoupdate.
./lib/autoconf/general.m4:2762: AC_TRY_CPP is expanded from...
configure.ac:264: the top level
autoreconf: running: /nix/store/gw2d87xlkglp28b3i1nksrpb290zdibb-autoconf-2.71/bin/autoheader --force
autoreconf: running: automake --add-missing --copy --force-missing
configure.ac:6: installing './config.guess'
configure.ac:6: installing './config.sub'
configure.ac:8: installing './install-sh'
configure.ac:8: installing './missing'
Makefile.am: installing './depcomp'
autoreconf: './config.sub' is updated
autoreconf: './config.guess' is updated
autoreconf: Leaving directory '.'
@nix { "action": "setPhase", "phase": "configurePhase" }
configuring
configure flags: --disable-dependency-tracking --prefix=/nix/store/4375vs578qr3pgnllig2l2sm195kaadc-nufraw-0.43-3 --enable-contrast --enable-dst-correction
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for a BSD-compatible install... /nix/store/a4v1akahda85rl9gfphb07zzw79z8pb1-coreutils-8.32/bin/install -c
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /nix/store/a4v1akahda85rl9gfphb07zzw79z8pb1-coreutils-8.32/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether make supports nested variables... (cached) yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether gcc accepts -g... yes
checking for gcc option to enable C11 features... none needed
checking whether gcc understands -c and -o together... yes
checking whether make supports the include directive... yes (GNU style)
checking dependency style of gcc... none
checking whether the compiler supports GNU C++... yes
checking whether g++ accepts -g... yes
checking for g++ option to enable C++11 features... none needed
checking dependency style of g++... none
checking how to run the C preprocessor... gcc -E
checking for ranlib... ranlib
checking for pod2man... pod2man
checking for _LARGEFILE_SOURCE value needed for large files... no
checking for library containing getopt_long... none required
checking for library containing pow... -lm
checking for canonicalize_file_name... yes
checking for memmem... yes
checking for strcasecmp... yes
checking for strcasestr... yes
checking for gcc option to support OpenMP... -fopenmp
checking pkg-config is at least version 0.9.0... yes
checking for glib-2.0 >= 2.12 gthread-2.0... yes
checking for lcms2... yes
checking for gtk+-2.0 >= 2.12... yes
checking for gtkimageview >= 1.6... yes
checking for gimpui-2.0 >= 2.2.0... no
checking for deflate in -lz... yes
checking for BZ2_bzReadOpen in -lbz2... yes
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for jpeglib.h... yes
checking for jpeg_CreateCompress in -ljpeg... yes
checking for jas_image_decode in -ljasper... no
checking for libtiff-4... yes
checking for libpng >= 1.2... yes
checking for cfitsio... yes
checking for exiv2 >= 0.20... yes
checking for lensfun >= 0.2.5... yes
checking for locale.h... yes
checking for LC_MESSAGES... yes
checking for CFPreferencesCopyAppValue... no
checking for CFLocaleCopyCurrent... no
checking for libintl.h... yes
checking for ngettext in libc... yes
checking for dgettext in libc... yes
checking for bind_textdomain_codeset... yes
checking for msgfmt... /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt
checking for dcgettext... yes
checking if msgfmt accepts -c... yes
checking for gmsgfmt... /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt
checking for xgettext... /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/xgettext
checking for catalogs to be installed...  ca cs da de es fr it ja ko nb nl pl pt ru sr sr@latin sv zh_CN zh_TW
checking whether to install mime types... no
checking whether to build extras... no
checking whether to enable DST correction for file timestamps... yes
checking whether to enable the contrast setting option... yes
checking whether to enable 'None' interpolation... no
checking whether to enable debugging with valgrind... no
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating icons/Makefile
config.status: creating po/Makefile.in
config.status: creating nufraw-setup.iss
config.status: creating config.h
config.status: executing depfiles commands
config.status: executing default-1 commands
configure: ====================== summary =====================
configure: build GTK GUI: yes
configure: build GIMP plug-in: no
configure: EXIF support using exiv2: yes
configure: JPEG support: yes
configure: JPEG2000 (libjasper) support: no
configure: TIFF support: yes
configure: PNG support: yes
configure: FITS support: yes
configure: gzip compressed raw support: yes
configure: bzip2 compressed raw support: yes
configure: lens defects correction support using lensfun: yes
@nix { "action": "setPhase", "phase": "buildPhase" }
building
build flags: SHELL=/nix/store/kxj6cblcsd1qcbbxlmbswwrn89zcmgd6-bash-4.4-p23/bin/bash
make  all-recursive
make[1]: Entering directory '/build/nufraw-0.43-3'
Making all in po
make[2]: Entering directory '/build/nufraw-0.43-3/po'
file=./`echo ca | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file ca.po
file=./`echo cs | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file cs.po
file=./`echo da | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file da.po
file=./`echo de | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file de.po
file=./`echo es | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file es.po
file=./`echo fr | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file fr.po
file=./`echo it | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file it.po
file=./`echo ja | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file ja.po
file=./`echo ko | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file ko.po
file=./`echo nb | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file nb.po
file=./`echo nl | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file nl.po
file=./`echo pl | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file pl.po
file=./`echo pt | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file pt.po
file=./`echo ru | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file ru.po
file=./`echo sr | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file sr.po
file=./`echo sr@latin | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file sr@latin.po
file=./`echo sv | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file sv.po
file=./`echo zh_CN | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file zh_CN.po
file=./`echo zh_TW | sed 's,.*/,,'`.gmo \
  && rm -f $file && /nix/store/ccl0ki04cpvy50r8w637kqw3zx21fpva-gettext-0.21/bin/msgfmt -c -o $file zh_TW.po
make[2]: Leaving directory '/build/nufraw-0.43-3/po'
Making all in icons
make[2]: Entering directory '/build/nufraw-0.43-3/icons'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/build/nufraw-0.43-3/icons'
make[2]: Entering directory '/build/nufraw-0.43-3'
  CC       nufraw_main-batch.o
  CXX      dcraw.o
dcraw.cc: In member function 'void DCRaw::read_shorts(short unsigned int*, unsigned int)':
dcraw.cc:453:27: warning: passing argument 2 to 'restrict'-qualified parameter aliases with argument 1 [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wrestrict-Wrestrict8;;]
  453 |     swab ((char *) pixel, (char *) pixel, count*2);
      |           ~~~~~~~~~~~~~~  ^~~~~~~~~~~~~~
dcraw.cc: In member function 'void DCRaw::canon_sraw_load_raw()':
dcraw.cc:1099:8: warning: suggest explicit braces to avoid ambiguous 'else' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wdangling-else-Wdangling-else8;;]
 1099 |     if ((row & (jh.sraw >> 1)))
      |        ^
dcraw.cc: In member function 'unsigned int DCRaw::pana_bits(int)':
dcraw.cc:2119:63: warning: left shift of negative value [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wshift-negative-value-Wshift-negative-value8;;]
 2119 |   return (buf[byte] | buf[byte+1] << 8) >> (vbits & 7) & ~(-1 << nbits);
      |                                                            ~~~^~~~~~~~
dcraw.cc: In member function 'void DCRaw::panasonic_load_raw()':
dcraw.cc:2135:29: warning: left shift of negative value [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wshift-negative-value-Wshift-negative-value8;;]
 2135 |         pred[i & 1] &= ~(-1 << sh);
      |                          ~~~^~~~~
dcraw.cc: In member function 'void DCRaw::kodak_radc_load_raw()':
dcraw.cc:2343:16: warning: left shift of negative value [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wshift-negative-value-Wshift-negative-value8;;]
 2343 |       x = ~(-1 << (s-1));
      |             ~~~^~~~~~~~
dcraw.cc: In function 'boolean fill_input_buffer(j_decompress_ptr)':
dcraw.cc:2415:31: warning: passing argument 2 to 'restrict'-qualified parameter aliases with argument 1 [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wrestrict-Wrestrict8;;]
 2415 |   swab ((char *) jpeg_buffer, (char *) jpeg_buffer, nbytes);
      |         ~~~~~~~~~~~~~~~~~~~~  ^~~~~~~~~~~~~~~~~~~~
dcraw.cc: In member function 'void DCRaw::smal_decode_segment(unsigned int (*)[2], int)':
dcraw.cc:2998:17: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wsign-compare-Wsign-compare8;;]
 2998 |   if (seg[1][0] > raw_width*raw_height)
      |       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
dcraw.cc:3009:53: warning: left shift of negative value [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wshift-negative-value-Wshift-negative-value8;;]
 3009 |  ((data + (((data & (1 << (nbits-1)))) << 1)) & (-1 << nbits));
      |                                                  ~~~^~~~~~~~
dcraw.cc: In member function 'int DCRaw::parse_tiff_ifd(int)':
dcraw.cc:6523:18: warning: '*' in boolean context, suggest '&&' instead [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wint-in-bool-context-Wint-in-bool-context8;;]
 6523 |  if (!(cblack[4] * cblack[5]))
      |       ~~~~~~~~~~~^~~~~~~~~~~~
dcraw.cc: In member function 'void DCRaw::apply_tiff()':
dcraw.cc:6746:44: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wsign-compare-Wsign-compare8;;]
 6746 |  if (filters == 9 && tiff_ifd[raw].bytes*8 < raw_width*raw_height*tiff_bps)
      |                      ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dcraw.cc:6769:4: warning: this 'else' clause does not guard... [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmisleading-indentation-Wmisleading-indentation8;;]
 6769 |  } else
      |    ^~~~
dcraw.cc:6771:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
 6771 |    break;
      |    ^~~~~
dcraw.cc: In member function 'void DCRaw::ciff_block_1030()':
dcraw.cc:6930:57: warning: left shift of negative value [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wshift-negative-value-Wshift-negative-value8;;]
 6930 |       white[row][col] = bitbuf >> (vbits -= bpp) & ~(-1 << bpp);
      |                                                      ~~~^~~~~~
dcraw.cc: In member function 'void DCRaw::parse_cine()':
dcraw.cc:7434:18: warning: left shift of negative value [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wshift-negative-value-Wshift-negative-value8;;]
 7434 |   maximum = ~(-1 << get4());
      |               ~~~^~~~~~~~~
dcraw.cc: In member function 'void DCRaw::identify()':
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
 9101 |   };
      |   ^
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::model' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::model' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::model' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc:9101:3: warning: missing initializer for member 'DCRaw::identify()::<unnamed struct>::offset' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmissing-field-initializers-Wmissing-field-initializers8;;]
dcraw.cc: In member function 'void DCRaw::write_ppm_tiff()':
dcraw.cc:10584:28: warning: passing argument 2 to 'restrict'-qualified parameter aliases with argument 1 [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wrestrict-Wrestrict8;;]
10584 |       swab ((char *) ppm2, (char *) ppm2, width*colors*2);
      |             ~~~~~~~~~~~~~  ^~~~~~~~~~~~~
dcraw.cc: In member function 'int DCRaw::ljpeg_start(jhead*, int)':
dcraw.cc:921:11: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
  921 |  jh->sraw = ((data[7] >> 4) * (data[7] & 15) - 1) & 3;
      |  ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dcraw.cc:922:7: note: here
  922 |       case 0xffc1:
      |       ^~~~
dcraw.cc: In member function 'int DCRaw::parse_tiff_ifd(int)':
dcraw.cc:6221:13: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 6221 |  load_flags = 0x2008;
      |  ~~~~~~~~~~~^~~~~~~~
dcraw.cc:6222:7: note: here
 6222 |       case 273:    /* StripOffset */
      |       ^~~~
dcraw.cc:6338:2: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 6338 |  if (filters == 9) {
      |  ^~
dcraw.cc:6342:7: note: here
 6342 |       case 64777:   /* Kodak P-series */
      |       ^~~~
dcraw.cc:6379:12: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 6379 |  parse_mos (ftell(ifp));
      |  ~~~~~~~~~~^~~~~~~~~~~~
dcraw.cc:6380:7: note: here
 6380 |       case 34303:
      |       ^~~~
dcraw.cc:6426:8: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 6426 |  fseek (ifp, 38, SEEK_CUR);
      |  ~~~~~~^~~~~~~~~~~~~~~~~~~
dcraw.cc:6427:7: note: here
 6427 |       case 46274:
      |       ^~~~
dcraw.cc:6521:2: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 6521 |  if (filters == UINT_MAX) filters = 0x94949494;
      |  ^~
dcraw.cc:6522:7: note: here
 6522 |       case 50714:   /* BlackLevel */
      |       ^~~~
dcraw.cc:6543:2: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 6543 |  if (use_cm) break; /* Prioritize Matrix2 over Matrix1 (UF) */
      |  ^~
dcraw.cc:6544:7: note: here
 6544 |       case 50722:   /* ColorMatrix2 */
      |       ^~~~
dcraw.cc: In member function 'void DCRaw::apply_tiff()':
dcraw.cc:6740:17: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 6740 |      load_flags = 0;
      |      ~~~~~~~~~~~^~~
dcraw.cc:6741:4: note: here
 6741 |    case 16: load_raw = &CLASS unpacked_load_raw;
      |    ^~~~
dcraw.cc:6717:13: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 6717 |  load_flags = 79;
      |  ~~~~~~~~~~~^~~~
dcraw.cc:6718:7: note: here
 6718 |       case 32769:
      |       ^~~~
dcraw.cc: In member function 'void DCRaw::parse_crx(int)':
dcraw.cc:7308:27: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 7308 |    case 0xeaf42b5e: fseek (ifp,  8, SEEK_CUR);
      |                     ~~~~~~^~~~~~~~~~~~~~~~~~~
dcraw.cc:7309:4: note: here
 7309 |    case 0x85c0b687: fseek (ifp, 12, SEEK_CUR);
      |    ^~~~
dcraw.cc: In member function 'void DCRaw::parse_foveon()':
dcraw.cc:7525:27: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 7525 |      case  5:  load_flags = 1;
      |                ~~~~~~~~~~~^~~
dcraw.cc:7526:6: note: here
 7526 |      case  6:  load_raw = &CLASS foveon_sd_load_raw;  break;
      |      ^~~~
dcraw.cc: In member function 'void DCRaw::identify()':
dcraw.cc:9447:24: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 9447 |       case 3344: width -= 66;
      |                  ~~~~~~^~~~~
dcraw.cc:9448:7: note: here
 9448 |       case 3872: width -= 6;
      |       ^~~~
dcraw.cc: In member function 'int DCRaw::main(int, const char**)':
dcraw.cc:10719:31: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
10719 |       case 'E':  document_mode++;
      |                  ~~~~~~~~~~~~~^~
dcraw.cc:10720:7: note: here
10720 |       case 'D':  document_mode++;
      |       ^~~~
dcraw.cc:10720:31: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
10720 |       case 'D':  document_mode++;
      |                  ~~~~~~~~~~~~~^~
dcraw.cc:10721:7: note: here
10721 |       case 'd':  document_mode++;
      |       ^~~~
dcraw.cc:10721:31: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
10721 |       case 'd':  document_mode++;
      |                  ~~~~~~~~~~~~~^~
dcraw.cc:10722:7: note: here
10722 |       case 'j':  use_fuji_rotate   = 0;  break;
      |       ^~~~
dcraw.cc:10725:26: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
10725 |       case '4':  gamm[0] = gamm[1] =
      |                  ~~~~~~~~^~~~~~~~~~~
10726 |    no_auto_bright    = 1;
      |    ~~~~~~~~~~~~~~~~~~~~~  
dcraw.cc:10727:7: note: here
10727 |       case '6':  output_bps       = 16;  break;
      |       ^~~~
dcraw.cc: In member function 'void DCRaw::nikon_yuv_load_raw()':
dcraw.cc:1360:33: warning: 'yuv[3]' may be used uninitialized in this function [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmaybe-uninitialized-Wmaybe-uninitialized8;;]
 1360 |       rgb[0] = yuv[b] + 1.370705*yuv[3];
      |                         ~~~~~~~~^~~~~~~
dcraw.cc:1361:33: warning: 'yuv[2]' may be used uninitialized in this function [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmaybe-uninitialized-Wmaybe-uninitialized8;;]
 1361 |       rgb[1] = yuv[b] - 0.337633*yuv[2] - 0.698001*yuv[3];
      |                         ~~~~~~~~^~~~~~~
dcraw.cc: In member function 'void DCRaw::blend_highlights()':
dcraw.cc:5475:48: warning: 'lab[0][<unknown>]' may be used uninitialized in this function [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmaybe-uninitialized-Wmaybe-uninitialized8;;]
 5475 |  cam[0][c] += itrans[colors-3][c][j] * lab[0][j];
      |                                        ~~~~~~~~^
dcraw.cc:5475:48: warning: 'lab[0][<unknown>]' may be used uninitialized in this function [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmaybe-uninitialized-Wmaybe-uninitialized8;;]
dcraw.cc:5475:48: warning: 'lab[0][<unknown>]' may be used uninitialized in this function [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmaybe-uninitialized-Wmaybe-uninitialized8;;]
dcraw.cc:5475:48: warning: 'lab[0][<unknown>]' may be used uninitialized in this function [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wmaybe-uninitialized-Wmaybe-uninitialized8;;]
  CC       nufraw_interface.o
nufraw_interface.c: In function 'nufraw_convert_import_buffer':
nufraw_interface.c:1416:5: warning: 'g_memdup' is deprecated: Use 'g_memdup2' instead [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wdeprecated-declarations-Wdeprecated-declarations8;;]
 1416 |     img->buffer = g_memdup(dcimg->image, img->height * img->rowstride);
      |     ^~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:82,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_interface.c:14:
/nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gstrfuncs.h:257:23: note: declared here
  257 | gpointer              g_memdup         (gconstpointer mem,
      |                       ^~~~~~~~
nufraw_interface.c: In function 'nufraw_unnormalize_rotation':
nufraw_interface.c:1899:37: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 1899 |             uf->conf->rotationAngle += 90;
      |             ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
nufraw_interface.c:1900:9: note: here
 1900 |         case 3: /* Rotate 180 */
      |         ^~~~
nufraw_interface.c:1901:37: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 1901 |             uf->conf->rotationAngle += 90;
      |             ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
nufraw_interface.c:1902:9: note: here
 1902 |         case 6: /* Rotate 90 */
      |         ^~~~
nufraw_interface.c:1908:37: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 1908 |             uf->conf->rotationAngle += 90;
      |             ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
nufraw_interface.c:1909:9: note: here
 1909 |         case 2: /* Flip vertical */
      |         ^~~~
nufraw_interface.c:1910:37: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 1910 |             uf->conf->rotationAngle += 90;
      |             ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
nufraw_interface.c:1911:9: note: here
 1911 |         case 7: /* Flip over diagonal "/" */
      |         ^~~~
  CC       nufraw_routines.o
  CC       nufraw_colorspaces.o
  CC       nufraw_developer.o
nufraw_developer.c: In function 'findExpCoeff':
nufraw_developer.c:390:19: warning: using integer absolute value function 'abs' when argument is of floating-point type 'double' [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wabsolute-value-Wabsolute-value8;;]
  390 |     for (try = 0; abs(bg - b) > 0.001 || try < 100; try++) {
      |                   ^~~
  CC       nufraw_conf.o
nufraw_conf.c: In function 'nufraw_process_args':
nufraw_conf.c:1980:20: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 1980 |                 if (!strcmp(optarg, "auto")) {
      |                    ^
nufraw_conf.c:1984:13: note: here
 1984 |             case 'k':
      |             ^~~~
nufraw_conf.c:1985:20: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
 1985 |                 if (!strcmp(optarg, "auto")) {
      |                    ^
nufraw_conf.c:1989:13: note: here
 1989 |             case 'G':
      |             ^~~~
  CC       nufraw_writer.o
  CC       nufraw_embedded.o
  CC       nufraw_message.o
nufraw_message.c: In function 'nufraw_message':
nufraw_message.c:154:23: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
  154 |             errorFlag = TRUE;
nufraw_message.c:155:9: note: here
  155 |         case NUFRAW_SET_WARNING:
      |         ^~~~
nufraw_message.c:156:25: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
  156 |             errorBuffer = nufraw_message_buffer(errorBuffer, message);
      |             ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
nufraw_message.c:157:9: note: here
  157 |         case NUFRAW_SET_LOG:
      |         ^~~~
nufraw_message.c:163:16: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
  163 |             if (!errorFlag) return NULL;
      |                ^
nufraw_message.c:164:9: note: here
  164 |         case NUFRAW_GET_WARNING:
      |         ^~~~
nufraw_message.c:170:23: warning: this statement may fall through [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wimplicit-fallthrough=-Wimplicit-fallthrough=8;;]
  170 |             logBuffer = NULL;
      |                       ^
nufraw_message.c:171:9: note: here
  171 |         case NUFRAW_RESET:
      |         ^~~~
  CXX      ufobject.o
  CXX      nufraw_settings.o
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:56:3: error: template with C linkage
   56 |   template<typename _Tp, _Tp __v>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:71:3: error: template with C linkage
   71 |   template<typename _Tp, _Tp __v>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:80:3: error: template with C linkage
   80 |   template<bool __v>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:91:3: error: template with C linkage
   91 |   template<bool, typename, typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:94:3: error: template with C linkage
   94 |   template <typename _Type>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:98:3: error: template with C linkage
   98 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:101:3: error: template with C linkage
  101 |   template<typename...>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:104:3: error: template specialization with C linkage
  104 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:109:3: error: template with C linkage
  109 |   template<typename _B1>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:114:3: error: template with C linkage
  114 |   template<typename _B1, typename _B2>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:119:3: error: template with C linkage
  119 |   template<typename _B1, typename _B2, typename _B3, typename... _Bn>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:124:3: error: template with C linkage
  124 |   template<typename...>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:127:3: error: template specialization with C linkage
  127 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:132:3: error: template with C linkage
  132 |   template<typename _B1>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:137:3: error: template with C linkage
  137 |   template<typename _B1, typename _B2>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:142:3: error: template with C linkage
  142 |   template<typename _B1, typename _B2, typename _B3, typename... _Bn>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:147:3: error: template with C linkage
  147 |   template<typename _Pp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:188:3: error: template with C linkage
  188 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:190:3: error: template with C linkage
  190 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:192:3: error: template with C linkage
  192 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:194:3: error: template with C linkage
  194 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:200:3: error: template with C linkage
  200 |   template <typename _Tp, size_t = sizeof(_Tp)>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:204:3: error: template with C linkage
  204 |   template <typename _TypeIdentity,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:219:3: error: template with C linkage
  219 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:226:3: error: template with C linkage
  226 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:230:3: error: template with C linkage
  230 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:233:3: error: template with C linkage
  233 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:238:3: error: template with C linkage
  238 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:242:3: error: template specialization with C linkage
  242 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:247:3: error: template with C linkage
  247 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:252:3: error: template with C linkage
  252 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:256:3: error: template specialization with C linkage
  256 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:260:3: error: template specialization with C linkage
  260 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:264:3: error: template specialization with C linkage
  264 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:268:3: error: template specialization with C linkage
  268 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:273:3: error: template specialization with C linkage
  273 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:284:3: error: template specialization with C linkage
  284 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:288:3: error: template specialization with C linkage
  288 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:292:3: error: template specialization with C linkage
  292 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:296:3: error: template specialization with C linkage
  296 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:300:3: error: template specialization with C linkage
  300 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:304:3: error: template specialization with C linkage
  304 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:308:3: error: template specialization with C linkage
  308 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:312:3: error: template specialization with C linkage
  312 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:316:3: error: template specialization with C linkage
  316 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:320:3: error: template specialization with C linkage
  320 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:327:3: error: template specialization with C linkage
  327 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:331:3: error: template specialization with C linkage
  331 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:364:3: error: template with C linkage
  364 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:369:3: error: template with C linkage
  369 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:373:3: error: template specialization with C linkage
  373 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:377:3: error: template specialization with C linkage
  377 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:381:3: error: template specialization with C linkage
  381 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:386:3: error: template specialization with C linkage
  386 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:392:3: error: template with C linkage
  392 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:398:3: error: template with C linkage
  398 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:402:3: error: template with C linkage
  402 |   template<typename _Tp, std::size_t _Size>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:406:3: error: template with C linkage
  406 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:410:3: error: template with C linkage
  410 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:414:3: error: template with C linkage
  414 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:419:3: error: template with C linkage
  419 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:425:3: error: template with C linkage
  425 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:429:3: error: template with C linkage
  429 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:434:3: error: template with C linkage
  434 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:438:3: error: template with C linkage
  438 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:442:3: error: template with C linkage
  442 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:446:3: error: template with C linkage
  446 |   template<typename _Tp, typename _Cp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:451:3: error: template with C linkage
  451 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:456:3: error: template with C linkage
  456 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:460:3: error: template with C linkage
  460 |   template<typename _Tp, typename _Cp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:465:3: error: template with C linkage
  465 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:471:3: error: template with C linkage
  471 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:477:3: error: template with C linkage
  477 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:483:3: error: template with C linkage
  483 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:489:3: error: template with C linkage
  489 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:493:3: error: template with C linkage
  493 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:497:3: error: template with C linkage
  497 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:503:3: error: template with C linkage
  503 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:507:3: error: template specialization with C linkage
  507 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:512:3: error: template with C linkage
  512 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:518:3: error: template with C linkage
  518 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:526:3: error: template with C linkage
  526 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:533:3: error: template with C linkage
  533 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:539:3: error: template with C linkage
  539 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:546:3: error: template with C linkage
  546 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:552:3: error: template with C linkage
  552 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:556:3: error: template with C linkage
  556 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:563:3: error: template with C linkage
  563 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:567:3: error: template with C linkage
  567 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:571:3: error: template with C linkage
  571 |   template<typename _Tp, typename _Cp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:576:3: error: template with C linkage
  576 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:581:3: error: template with C linkage
  581 |   template<typename, typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:584:3: error: template with C linkage
  584 |   template<typename _Tp, typename... _Types>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:588:3: error: template with C linkage
  588 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:607:3: error: template with C linkage
  607 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:626:3: error: template with C linkage
  626 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:631:3: error: template with C linkage
  631 |   template<typename...> using __void_t = void;
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:635:3: error: template with C linkage
  635 |   template<typename _Tp, typename = void>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:640:3: error: template with C linkage
  640 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:648:3: error: template with C linkage
  648 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:652:3: error: template with C linkage
  652 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:657:3: error: template with C linkage
  657 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:661:3: error: template with C linkage
  661 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:666:3: error: template with C linkage
  666 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:675:3: error: template with C linkage
  675 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:684:3: error: template with C linkage
  684 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:694:3: error: template with C linkage
  694 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:705:3: error: template with C linkage
  705 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:714:3: error: template with C linkage
  714 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:720:3: error: template with C linkage
  720 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:728:3: error: template with C linkage
  728 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:735:3: error: template with C linkage
  735 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:740:3: error: template with C linkage
  740 |   template<typename _Tp,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:745:3: error: template with C linkage
  745 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:751:3: error: template with C linkage
  751 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:757:3: error: template with C linkage
  757 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:770:3: error: template with C linkage
  770 |   template<typename _Tp, typename _Up = _Tp&&>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:774:3: error: template with C linkage
  774 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:778:3: error: template with C linkage
  778 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:781:3: error: template with C linkage
  781 |   template<typename, unsigned = 0>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:784:3: error: template with C linkage
  784 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:787:3: error: template with C linkage
  787 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:792:3: error: template with C linkage
  792 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:804:5: error: template with C linkage
  804 |     template<typename _Tp, typename = decltype(declval<_Tp&>().~_Tp())>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:807:5: error: template with C linkage
  807 |     template<typename>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:811:3: error: template with C linkage
  811 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:818:3: error: template with C linkage
  818 |   template<typename _Tp,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:825:3: error: template with C linkage
  825 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:831:3: error: template with C linkage
  831 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:835:3: error: template with C linkage
  835 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:840:3: error: template with C linkage
  840 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:854:5: error: template with C linkage
  854 |     template<typename _Tp>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:858:5: error: template with C linkage
  858 |     template<typename>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:862:3: error: template with C linkage
  862 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:869:3: error: template with C linkage
  869 |   template<typename _Tp,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:876:3: error: template with C linkage
  876 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:882:3: error: template with C linkage
  882 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:886:3: error: template with C linkage
  886 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:891:3: error: template with C linkage
  891 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:899:3: error: template with C linkage
  899 |   template<typename _Tp, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:905:3: error: template with C linkage
  905 |   template<typename _Tp, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:914:3: error: template with C linkage
  914 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:922:3: error: template with C linkage
  922 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:925:3: error: template with C linkage
  925 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:929:3: error: template with C linkage
  929 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:935:3: error: template with C linkage
  935 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:943:3: error: template with C linkage
  943 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:946:3: error: template with C linkage
  946 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:950:3: error: template with C linkage
  950 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:956:3: error: template with C linkage
  956 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:964:3: error: template with C linkage
  964 |   template<bool, typename _Tp, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:969:3: error: template with C linkage
  969 |   template<typename _Tp, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:974:3: error: template with C linkage
  974 |   template<typename _Tp, typename _Arg>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:979:3: error: template with C linkage
  979 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:984:3: error: template with C linkage
  984 |   template<typename _Tp, size_t _Num>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1001:3: error: template with C linkage
 1001 |   template<typename _Tp, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1007:3: error: template with C linkage
 1007 |   template<typename _Tp, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1016:3: error: template with C linkage
 1016 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1025:3: error: template with C linkage
 1025 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1028:3: error: template with C linkage
 1028 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1032:3: error: template with C linkage
 1032 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1038:3: error: template with C linkage
 1038 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1046:3: error: template with C linkage
 1046 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1049:3: error: template with C linkage
 1049 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1053:3: error: template with C linkage
 1053 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1059:3: error: template with C linkage
 1059 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1068:3: error: template with C linkage
 1068 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1076:3: error: template with C linkage
 1076 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1079:3: error: template with C linkage
 1079 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1083:3: error: template with C linkage
 1083 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1089:3: error: template with C linkage
 1089 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1097:3: error: template with C linkage
 1097 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1100:3: error: template with C linkage
 1100 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1104:3: error: template with C linkage
 1104 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1110:3: error: template with C linkage
 1110 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1118:3: error: template with C linkage
 1118 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1123:3: error: template with C linkage
 1123 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1130:3: error: template with C linkage
 1130 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1138:3: error: template with C linkage
 1138 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1141:3: error: template with C linkage
 1141 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1145:3: error: template with C linkage
 1145 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1151:3: error: template with C linkage
 1151 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1159:3: error: template with C linkage
 1159 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1162:3: error: template with C linkage
 1162 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1166:3: error: template with C linkage
 1166 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1172:3: error: template with C linkage
 1172 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1181:3: error: template with C linkage
 1181 |   template<typename _Tp, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1190:3: error: template with C linkage
 1190 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1200:5: error: template with C linkage
 1200 |     template <typename _Tp>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1203:5: error: template with C linkage
 1203 |     template <typename _Tp>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1210:3: error: template with C linkage
 1210 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1217:3: error: template with C linkage
 1217 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1222:3: error: template with C linkage
 1222 |   template <typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1228:3: error: template with C linkage
 1228 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1231:3: error: template with C linkage
 1231 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1235:3: error: template with C linkage
 1235 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1243:3: error: template with C linkage
 1243 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1251:3: error: template with C linkage
 1251 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1254:3: error: template with C linkage
 1254 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1258:3: error: template with C linkage
 1258 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1266:3: error: template with C linkage
 1266 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1275:3: error: template with C linkage
 1275 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1283:3: error: template with C linkage
 1283 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1286:3: error: template with C linkage
 1286 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1290:3: error: template with C linkage
 1290 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1296:3: error: template with C linkage
 1296 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1304:3: error: template with C linkage
 1304 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1307:3: error: template with C linkage
 1307 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1311:3: error: template with C linkage
 1311 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1317:3: error: template with C linkage
 1317 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1326:3: error: template with C linkage
 1326 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1337:3: error: template with C linkage
 1337 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1349:3: error: template with C linkage
 1349 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1358:3: error: template with C linkage
 1358 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1362:3: error: template with C linkage
 1362 |   template<typename _Tp, std::size_t _Size>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1366:3: error: template with C linkage
 1366 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1371:3: error: template with C linkage
 1371 |   template<typename, unsigned _Uint>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1375:3: error: template with C linkage
 1375 |   template<typename _Tp, unsigned _Uint, std::size_t _Size>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1382:3: error: template with C linkage
 1382 |   template<typename _Tp, unsigned _Uint>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1393:3: error: template with C linkage
 1393 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1410:3: error: template with C linkage
 1410 |   template<typename _Base, typename _Derived>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1415:3: error: template with C linkage
 1415 |   template<typename _From, typename _To,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1425:3: error: template with C linkage
 1425 |   template<typename _From, typename _To>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1446:3: error: template with C linkage
 1446 |   template<typename _From, typename _To>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1452:3: error: template with C linkage
 1452 |   template<typename _ToElementType, typename _FromElementType>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1456:3: error: template with C linkage
 1456 |   template<typename _From, typename _To,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1465:3: error: template with C linkage
 1465 |   template<typename _From, typename _To>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1486:3: error: template with C linkage
 1486 |   template<typename _From, typename _To>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1508:3: error: template with C linkage
 1508 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1512:3: error: template with C linkage
 1512 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1517:3: error: template with C linkage
 1517 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1521:3: error: template with C linkage
 1521 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1526:3: error: template with C linkage
 1526 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1530:3: error: template with C linkage
 1530 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1534:3: error: template with C linkage
 1534 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1538:3: error: template with C linkage
 1538 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1543:3: error: template with C linkage
 1543 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1548:3: error: template with C linkage
 1548 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1553:3: error: template with C linkage
 1553 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1565:3: error: template with C linkage
 1565 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1569:3: error: template with C linkage
 1569 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1573:3: error: template with C linkage
 1573 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1577:3: error: template with C linkage
 1577 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1581:3: error: template with C linkage
 1581 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1585:3: error: template with C linkage
 1585 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1592:3: error: template with C linkage
 1592 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1596:3: error: template with C linkage
 1596 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1600:3: error: template with C linkage
 1600 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1604:3: error: template with C linkage
 1604 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1608:3: error: template with C linkage
 1608 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1613:3: error: template with C linkage
 1613 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1618:3: error: template with C linkage
 1618 |   template<typename _Tp, bool = __is_referenceable<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1622:3: error: template with C linkage
 1622 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1627:3: error: template with C linkage
 1627 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1634:3: error: template with C linkage
 1634 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1638:3: error: template with C linkage
 1638 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1642:3: error: template with C linkage
 1642 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1649:3: error: template with C linkage
 1649 |   template<typename _Unqualified, bool _IsConst, bool _IsVol>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1652:3: error: template with C linkage
 1652 |   template<typename _Unqualified>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1656:3: error: template with C linkage
 1656 |   template<typename _Unqualified>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1660:3: error: template with C linkage
 1660 |   template<typename _Unqualified>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1664:3: error: template with C linkage
 1664 |   template<typename _Unqualified>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1668:3: error: template with C linkage
 1668 |   template<typename _Qualified, typename _Unqualified,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1680:3: error: template with C linkage
 1680 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1684:3: error: template specialization with C linkage
 1684 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1688:3: error: template specialization with C linkage
 1688 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1692:3: error: template specialization with C linkage
 1692 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1696:3: error: template specialization with C linkage
 1696 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1700:3: error: template specialization with C linkage
 1700 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1704:3: error: template specialization with C linkage
 1704 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1709:3: error: template specialization with C linkage
 1709 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1730:3: error: template with C linkage
 1730 |   template<typename _Tp,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1735:3: error: template with C linkage
 1735 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1749:5: error: template with C linkage
 1749 |     template<typename...> struct _List { };
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1751:5: error: template with C linkage
 1751 |     template<typename _Tp, typename... _Up>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1755:5: error: template with C linkage
 1755 |     template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1758:5: error: template with C linkage
 1758 |     template<size_t _Sz, typename _Uint, typename... _UInts>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1762:5: error: template with C linkage
 1762 |     template<size_t _Sz, typename _Uint, typename... _UInts>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1769:3: error: template with C linkage
 1769 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1789:3: error: template specialization with C linkage
 1789 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1806:3: error: template specialization with C linkage
 1806 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1813:3: error: template specialization with C linkage
 1813 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1824:3: error: template with C linkage
 1824 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1829:3: error: template specialization with C linkage
 1829 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1834:3: error: template with C linkage
 1834 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1838:3: error: template specialization with C linkage
 1838 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1842:3: error: template specialization with C linkage
 1842 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1846:3: error: template specialization with C linkage
 1846 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1850:3: error: template specialization with C linkage
 1850 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1854:3: error: template specialization with C linkage
 1854 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1858:3: error: template specialization with C linkage
 1858 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1863:3: error: template specialization with C linkage
 1863 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1884:3: error: template with C linkage
 1884 |   template<typename _Tp,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1889:3: error: template with C linkage
 1889 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1901:3: error: template with C linkage
 1901 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1915:3: error: template specialization with C linkage
 1915 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1932:3: error: template specialization with C linkage
 1932 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1939:3: error: template specialization with C linkage
 1939 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1950:3: error: template with C linkage
 1950 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1955:3: error: template specialization with C linkage
 1955 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1960:3: error: template with C linkage
 1960 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1964:3: error: template with C linkage
 1964 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1971:3: error: template with C linkage
 1971 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1975:3: error: template with C linkage
 1975 |   template<typename _Tp, std::size_t _Size>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1979:3: error: template with C linkage
 1979 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1984:3: error: template with C linkage
 1984 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1988:3: error: template with C linkage
 1988 |   template<typename _Tp, std::size_t _Size>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1992:3: error: template with C linkage
 1992 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:1998:3: error: template with C linkage
 1998 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2002:3: error: template with C linkage
 2002 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2008:3: error: template with C linkage
 2008 |   template<typename _Tp, typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2012:3: error: template with C linkage
 2012 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2017:3: error: template with C linkage
 2017 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2023:3: error: template with C linkage
 2023 |   template<typename _Tp, bool = __or_<__is_referenceable<_Tp>,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2028:3: error: template with C linkage
 2028 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2032:3: error: template with C linkage
 2032 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2039:3: error: template with C linkage
 2039 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2043:3: error: template with C linkage
 2043 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2047:3: error: template with C linkage
 2047 |   template<std::size_t _Len>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2067:3: error: template with C linkage
 2067 |   template<std::size_t _Len, std::size_t _Align =
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2078:3: error: template with C linkage
 2078 |   template <typename... _Types>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2085:3: error: template with C linkage
 2085 |   template <typename _Tp, typename... _Types>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2106:3: error: template with C linkage
 2106 |   template <size_t _Len, typename... _Types>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2122:3: error: template with C linkage
 2122 |   template <size_t _Len, typename... _Types>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2127:3: error: template with C linkage
 2127 |   template<typename _Up,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2133:3: error: template with C linkage
 2133 |   template<typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2137:3: error: template with C linkage
 2137 |   template<typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2141:3: error: template with C linkage
 2141 |   template<typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2146:3: error: template with C linkage
 2146 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2156:3: error: template with C linkage
 2156 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2159:3: error: template with C linkage
 2159 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2163:3: error: template with C linkage
 2163 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2169:3: error: template with C linkage
 2169 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2175:3: error: template with C linkage
 2175 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2181:3: error: template with C linkage
 2181 |   template<bool, typename _Tp = void>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2186:3: error: template with C linkage
 2186 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2191:3: error: template with C linkage
 2191 |   template<bool _Cond, typename _Tp = void>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2194:3: error: template with C linkage
 2194 |   template<typename... _Cond>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2199:3: error: template with C linkage
 2199 |   template<bool _Cond, typename _Iftrue, typename _Iffalse>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2204:3: error: template with C linkage
 2204 |   template<typename _Iftrue, typename _Iffalse>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2209:3: error: template with C linkage
 2209 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2214:3: error: template with C linkage
 2214 |   template<typename... _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2221:5: error: template with C linkage
 2221 |     template<typename _Tp, typename _Up>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2227:5: error: template with C linkage
 2227 |     template<typename _Tp, typename _Up>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2239:5: error: template with C linkage
 2239 |     template<typename, typename>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2243:5: error: template with C linkage
 2243 |     template<typename _Tp, typename _Up>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2249:3: error: template specialization with C linkage
 2249 |   template<>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2254:3: error: template with C linkage
 2254 |   template<typename _Tp0>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2260:3: error: template with C linkage
 2260 |   template<typename _Tp1, typename _Tp2,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2269:3: error: template with C linkage
 2269 |   template<typename _Tp1, typename _Tp2>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2279:3: error: template with C linkage
 2279 |   template<typename _Tp1, typename _Tp2>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2284:3: error: template with C linkage
 2284 |   template<typename...>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2288:3: error: template with C linkage
 2288 |   template<typename, typename, typename = void>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2292:3: error: template with C linkage
 2292 |   template<typename _Tp1, typename _Tp2, typename... _Rp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2301:3: error: template with C linkage
 2301 |   template<typename _CTp, typename... _Rp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2308:3: error: template with C linkage
 2308 |   template<typename _CTp, typename _Rp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2312:3: error: template with C linkage
 2312 |   template<typename _Tp, bool = is_enum<_Tp>::value>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2318:3: error: template with C linkage
 2318 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2323:3: error: template with C linkage
 2323 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2328:3: error: template with C linkage
 2328 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2334:3: error: template with C linkage
 2334 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2343:3: error: template with C linkage
 2343 |   template<typename _Signature>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2357:3: error: template with C linkage
 2357 |   template<typename _Tp, typename _Tag>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2364:5: error: template with C linkage
 2364 |     template<typename _Fp, typename _Tp1, typename... _Args>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2369:5: error: template with C linkage
 2369 |     template<typename...>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2373:3: error: template with C linkage
 2373 |   template<typename _MemPtr, typename _Arg, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2383:5: error: template with C linkage
 2383 |     template<typename _Fp, typename _Tp1, typename... _Args>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2388:5: error: template with C linkage
 2388 |     template<typename...>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2392:3: error: template with C linkage
 2392 |   template<typename _MemPtr, typename _Arg, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2402:5: error: template with C linkage
 2402 |     template<typename _Fp, typename _Tp1>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2407:5: error: template with C linkage
 2407 |     template<typename, typename>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2411:3: error: template with C linkage
 2411 |   template<typename _MemPtr, typename _Arg>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2421:5: error: template with C linkage
 2421 |     template<typename _Fp, typename _Tp1>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2426:5: error: template with C linkage
 2426 |     template<typename, typename>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2430:3: error: template with C linkage
 2430 |   template<typename _MemPtr, typename _Arg>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2437:3: error: template with C linkage
 2437 |   template<typename _MemPtr, typename _Arg>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2440:3: error: template with C linkage
 2440 |   template<typename _Res, typename _Class, typename _Arg>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2452:3: error: template with C linkage
 2452 |   template<typename _MemPtr, typename _Arg, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2455:3: error: template with C linkage
 2455 |   template<typename _Res, typename _Class, typename _Arg, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2471:3: error: template with C linkage
 2471 |   template<typename _Tp, typename _Up = __remove_cvref_t<_Tp>>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2477:3: error: template with C linkage
 2477 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2483:3: error: template with C linkage
 2483 |   template<bool, bool, typename _Functor, typename... _ArgTypes>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2489:3: error: template with C linkage
 2489 |   template<typename _MemPtr, typename _Arg>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2495:3: error: template with C linkage
 2495 |   template<typename _MemPtr, typename _Arg, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2504:5: error: template with C linkage
 2504 |     template<typename _Fn, typename... _Args>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2509:5: error: template with C linkage
 2509 |     template<typename...>
      |     ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2513:3: error: template with C linkage
 2513 |   template<typename _Functor, typename... _ArgTypes>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2521:3: error: template with C linkage
 2521 |   template<typename _Functor, typename... _ArgTypes>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2534:3: error: template with C linkage
 2534 |   template<typename _Functor, typename... _ArgTypes>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2541:3: error: template with C linkage
 2541 |   template<size_t _Len, size_t _Align =
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2545:3: error: template with C linkage
 2545 |   template <size_t _Len, typename... _Types>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2549:3: error: template with C linkage
 2549 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2553:3: error: template with C linkage
 2553 |   template<bool _Cond, typename _Tp = void>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2557:3: error: template with C linkage
 2557 |   template<bool _Cond, typename _Iftrue, typename _Iffalse>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2561:3: error: template with C linkage
 2561 |   template<typename... _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2565:3: error: template with C linkage
 2565 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2569:3: error: template with C linkage
 2569 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2576:3: error: template with C linkage
 2576 |   template<typename...> using void_t = void;
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2580:3: error: template with C linkage
 2580 |   template<typename _Default, typename _AlwaysVoid,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2589:3: error: template with C linkage
 2589 |   template<typename _Default, template<typename...> class _Op,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2598:3: error: template with C linkage
 2598 |   template<typename _Default, template<typename...> class _Op,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2603:3: error: template with C linkage
 2603 |   template<typename _Default, template<typename...> class _Op,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2624:3: error: template with C linkage
 2624 |   template <typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2627:3: error: template with C linkage
 2627 |   template <typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2630:3: error: template with C linkage
 2630 |   template<typename... _Elements>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2633:3: error: template with C linkage
 2633 |   template<typename>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2637:3: error: template with C linkage
 2637 |   template<typename... _Tps>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2642:3: error: template with C linkage
 2642 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2647:3: error: template with C linkage
 2647 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2657:3: error: template with C linkage
 2657 |   template<typename _Tp, size_t _Nm>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2669:7: error: template with C linkage
 2669 |       template<typename _Tp, typename
      |       ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2673:7: error: template with C linkage
 2673 |       template<typename>
      |       ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2679:7: error: template with C linkage
 2679 |       template<typename _Tp>
      |       ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2684:7: error: template with C linkage
 2684 |       template<typename>
      |       ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2690:3: error: template with C linkage
 2690 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2697:3: error: template with C linkage
 2697 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2704:3: error: template with C linkage
 2704 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2709:3: error: template with C linkage
 2709 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2719:3: error: template with C linkage
 2719 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2728:3: error: template with C linkage
 2728 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2738:3: error: template with C linkage
 2738 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2743:3: error: template with C linkage
 2743 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2753:7: error: template with C linkage
 2753 |       template<typename _Tp, typename _Up, typename
      |       ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2759:7: error: template with C linkage
 2759 |       template<typename, typename>
      |       ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2765:7: error: template with C linkage
 2765 |       template<typename _Tp, typename _Up>
      |       ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2772:7: error: template with C linkage
 2772 |       template<typename, typename>
      |       ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2778:3: error: template with C linkage
 2778 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2786:3: error: template with C linkage
 2786 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2793:3: error: template with C linkage
 2793 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2801:3: error: template with C linkage
 2801 |   template<typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2809:3: error: template with C linkage
 2809 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2815:3: error: template with C linkage
 2815 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2822:3: error: template with C linkage
 2822 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2827:3: error: template with C linkage
 2827 |   template<typename _Tp, typename _Up>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2837:3: error: template with C linkage
 2837 |   template<typename _Result, typename _Ret,
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2842:3: error: template with C linkage
 2842 |   template<typename _Result, typename _Ret>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2852:3: error: template with C linkage
 2852 |   template<typename _Result, typename _Ret>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2879:3: error: template with C linkage
 2879 |   template<typename _Fn, typename... _ArgTypes>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2884:3: error: template with C linkage
 2884 |   template<typename _Fn, typename _Tp, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2892:3: error: template with C linkage
 2892 |   template<typename _Fn, typename _Tp, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2899:3: error: template with C linkage
 2899 |   template<typename _Fn, typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2906:3: error: template with C linkage
 2906 |   template<typename _Fn, typename _Tp>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2912:3: error: template with C linkage
 2912 |   template<typename _Fn, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2918:3: error: template with C linkage
 2918 |   template<typename _Result, typename _Fn, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2925:3: error: template with C linkage
 2925 |   template<typename _Fn, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
In file included from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gatomic.h:31,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gthread.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib/gasyncqueue.h:32,
                 from /nix/store/bbm8f5wn3y9hr9jp0djrhnznrgjhp65x-glib-2.68.2-dev/include/glib-2.0/glib.h:32,
                 from uf_glib.h:20,
                 from nufraw.h:20,
                 from nufraw_settings.cc:17:
/nix/store/cfkfpca5ymx2rf66k6f16sa3lb6ndgc2-gcc-10.3.0/include/c++/10.3.0/type_traits:2930:3: error: template with C linkage
 2930 |   template<typename _Fn, typename... _Args>
      |   ^~~~~~~~
In file included from nufraw.h:20,
                 from nufraw_settings.cc:17:
uf_glib.h:17:1: note: 'extern "C"' linkage started here
   17 | extern "C" {
      | ^~~~~~~~~~
make[2]: *** [Makefile:933: nufraw_settings.o] Error 1
make[2]: Leaving directory '/build/nufraw-0.43-3'
make[1]: *** [Makefile:1069: all-recursive] Error 1
make[1]: Leaving directory '/build/nufraw-0.43-3'
make: *** [Makefile:618: all] Error 2