output of "CC=/usr/bin/i686-w64-mingw32-gcc ./configure --target=i686-w64-mingw32"

output

checking for gfind... no
checking for find... /usr/bin/find
checking for sort... /usr/bin/sort
checking for GHC Git commit id... inferred f31c40efdc918bc9da8a325327ba5a472bd6ea9e
checking for ghc... /opt/ghc/8.2.1/bin/ghc
checking version of ghc... 8.2.1
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... i686-w64-mingw32
Build platform inferred as: x86_64-unknown-linux
Host platform inferred as: x86_64-unknown-linux
GHC build  : x86_64-unknown-linux
GHC host   : x86_64-unknown-linux
GHC target : i386-unknown-mingw32
LLVM target: i686-unknown-windows
checking for path to top of build tree... /home/ghc/Documents/haskell/ghc
checking for i686-w64-mingw32-gcc... /usr/bin/i686-w64-mingw32-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.exe
checking for suffix of executables... .exe
checking whether we are cross compiling... yes
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether /usr/bin/i686-w64-mingw32-gcc accepts -g... yes
checking for /usr/bin/i686-w64-mingw32-gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... /usr/bin/i686-w64-mingw32-gcc -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking how to run the C preprocessor... /usr/bin/i686-w64-mingw32-gcc -E
checking for /usr/bin/i686-w64-mingw32-gcc option to accept ISO C99... none needed
checking for gcc option to accept ISO C99... none needed
checking for /usr/bin/i686-w64-mingw32-gcc option to accept ISO C99... none needed
checking for /usr/bin/i686-w64-mingw32-gcc option to accept ISO C99... none needed
checking for i686-w64-mingw32-ld.lld... no
checking for i686-w64-mingw32-ld.gold... no
checking for i686-w64-mingw32-ld... i686-w64-mingw32-ld
checking whether C compiler supports -fuse-ld=bfd... yes
checking whether ld is GNU ld... YES
checking whether ld understands --build-id... yes
checking whether ld understands -no_compact_unwind... yes
checking whether ld understands -filelist... no
checking for i686-w64-mingw32-nm... i686-w64-mingw32-nm
checking for i686-w64-mingw32-ranlib... i686-w64-mingw32-ranlib
checking for i686-w64-mingw32-strip... i686-w64-mingw32-strip
checking for i686-w64-mingw32-libtool... no
checking for i686-w64-mingw32-clang... no
checking for i686-w64-mingw32-llc-5.0... no
checking for i686-w64-mingw32-llc... no
checking for llc-5.0... no
checking for llc... llc
configure: WARNING: using cross tools not prefixed with host triplet
checking llc is version 5.0... no
checking for i686-w64-mingw32-opt-5.0... no
checking for i686-w64-mingw32-opt... no
checking for opt-5.0... no
checking for opt... opt
checking opt is version 5.0... no
checking whether #! works in shell scripts... yes
checking for perl... /usr/bin/perl
checking version of gcc... 7.2
checking whether GCC supports -no-pie... yes
checking whether GCC supports __atomic_ builtins... yes
checking for extra options to pass gcc when compiling via C...  -fwrapv -fno-builtin
checking whether C compiler is clang... no
checking whether C compiler has an LLVM back end... no
checking Setting up CFLAGS, LDFLAGS, IGNORE_LINKER_LD_FLAGS and CPPFLAGS... done
checking Setting up CONF_CC_OPTS_STAGE0, CONF_GCC_LINKER_OPTS_STAGE0, CONF_LD_LINKER_OPTS_STAGE0 and CONF_CPP_OPTS_STAGE0... done
checking Setting up CONF_CC_OPTS_STAGE1, CONF_GCC_LINKER_OPTS_STAGE1, CONF_LD_LINKER_OPTS_STAGE1 and CONF_CPP_OPTS_STAGE1... done
checking Setting up CONF_CC_OPTS_STAGE2, CONF_GCC_LINKER_OPTS_STAGE2, CONF_LD_LINKER_OPTS_STAGE2 and CONF_CPP_OPTS_STAGE2... done
checking for .subsections_via_symbols... no
checking whether your assembler supports .ident directive... yes
checking for GNU non-executable stack support... no
checking for a working context diff... diff -U 1
checking for a BSD-compatible install... /usr/bin/install -c
checking for i686-w64-mingw32-ar... i686-w64-mingw32-ar
checking whether i686-w64-mingw32-ar is GNU ar... yes
checking for ar arguments... q
checking whether i686-w64-mingw32-ar supports @file... yes
checking for i686-w64-mingw32-ranlib... (cached) i686-w64-mingw32-ranlib
checking whether ln -s works... yes
checking for gsed... no
checking for sed... /usr/bin/sed
checking for time... /usr/bin/time
checking for gnutar... no
checking for gtar... no
checking for tar... /usr/bin/tar
checking for bzip2... /usr/bin/bzip2
checking for gzip... /usr/bin/gzip
checking for pxz... no
checking for xz... /usr/bin/xz
checking for gpatch... no
checking for patch... /usr/bin/patch
checking for dtrace... no
checking for HsColour... no
checking for sphinx-build... /usr/bin/sphinx-build
checking for version of sphinx-build... 1.6.4
checking for xelatex... no
checking for ghc-pkg matching /opt/ghc/8.2.1/bin/ghc... /opt/ghc/8.2.1/bin/ghc-pkg
checking for happy... /usr/bin/happy
checking for version of happy... 1.19.7
checking for alex... /usr/bin/alex
checking for version of alex... 3.2.3
checking for ANSI C header files... (cached) yes
checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... 64
checking ctype.h usability... yes
checking ctype.h presence... yes
checking for ctype.h... yes
checking dirent.h usability... yes
checking dirent.h presence... yes
checking for dirent.h... yes
checking dlfcn.h usability... no
checking dlfcn.h presence... no
checking for dlfcn.h... no
checking errno.h usability... yes
checking errno.h presence... yes
checking for errno.h... yes
checking fcntl.h usability... yes
checking fcntl.h presence... yes
checking for fcntl.h... yes
checking grp.h usability... no
checking grp.h presence... no
checking for grp.h... no
checking limits.h usability... yes
checking limits.h presence... yes
checking for limits.h... yes
checking locale.h usability... yes
checking locale.h presence... yes
checking for locale.h... yes
checking nlist.h usability... no
checking nlist.h presence... no
checking for nlist.h... no
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking pwd.h usability... no
checking pwd.h presence... no
checking for pwd.h... no
checking signal.h usability... yes
checking signal.h presence... yes
checking for signal.h... yes
checking sys/param.h usability... yes
checking sys/param.h presence... yes
checking for sys/param.h... yes
checking sys/mman.h usability... no
checking sys/mman.h presence... no
checking for sys/mman.h... no
checking sys/resource.h usability... no
checking sys/resource.h presence... no
checking for sys/resource.h... no
checking sys/select.h usability... no
checking sys/select.h presence... no
checking for sys/select.h... no
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking sys/timeb.h usability... yes
checking sys/timeb.h presence... yes
checking for sys/timeb.h... yes
checking sys/timerfd.h usability... no
checking sys/timerfd.h presence... no
checking for sys/timerfd.h... no
checking sys/timers.h usability... no
checking sys/timers.h presence... no
checking for sys/timers.h... no
checking sys/times.h usability... no
checking sys/times.h presence... no
checking for sys/times.h... no
checking sys/utsname.h usability... no
checking sys/utsname.h presence... no
checking for sys/utsname.h... no
checking sys/wait.h usability... no
checking sys/wait.h presence... no
checking for sys/wait.h... no
checking termios.h usability... no
checking termios.h presence... no
checking for termios.h... no
checking time.h usability... yes
checking time.h presence... yes
checking for time.h... yes
checking utime.h usability... yes
checking utime.h presence... yes
checking for utime.h... yes
checking windows.h usability... yes
checking windows.h presence... yes
checking for windows.h... yes
checking winsock.h usability... yes
checking winsock.h presence... yes
checking for winsock.h... yes
checking sched.h usability... yes
checking sched.h presence... yes
checking for sched.h... yes
checking for sys/cpuset.h... no
checking whether time.h and sys/time.h may both be included... yes
checking for long long... yes
checking size of char... 1
checking for char... yes
checking alignment of char... 1
checking size of double... 8
checking for double... yes
checking alignment of double... 8
checking size of float... 4
checking for float... yes
checking alignment of float... 4
checking size of int... 4
checking for int... yes
checking alignment of int... 4
checking size of long... 4
checking for long... yes
checking alignment of long... 4
checking size of long long... 8
checking for long long... (cached) yes
checking alignment of long long... 8
checking size of short... 2
checking for short... yes
checking alignment of short... 2
checking size of unsigned char... 1
checking for unsigned char... yes
checking alignment of unsigned char... 1
checking size of unsigned int... 4
checking for unsigned int... yes
checking alignment of unsigned int... 4
checking size of unsigned long... 4
checking for unsigned long... yes
checking alignment of unsigned long... 4
checking size of unsigned long long... 8
checking for unsigned long long... yes
checking alignment of unsigned long long... 8
checking size of unsigned short... 2
checking for unsigned short... yes
checking alignment of unsigned short... 2
checking size of void *... 4
checking for void *... yes
checking alignment of void *... 4
checking size of int8_t... 1
checking for int8_t... yes
checking alignment of int8_t... 1
checking size of uint8_t... 1
checking for uint8_t... yes
checking alignment of uint8_t... 1
checking size of int16_t... 2
checking for int16_t... yes
checking alignment of int16_t... 2
checking size of uint16_t... 2
checking for uint16_t... yes
checking alignment of uint16_t... 2
checking size of int32_t... 4
checking for int32_t... yes
checking alignment of int32_t... 4
checking size of uint32_t... 4
checking for uint32_t... yes
checking alignment of uint32_t... 4
checking size of int64_t... 8
checking for int64_t... yes
checking alignment of int64_t... 8
checking size of uint64_t... 8
checking for uint64_t... yes
checking alignment of uint64_t... 8
checking for WinExec... yes
checking for GetModuleFileName... yes
checking for getclock... no
checking for getrusage... no
checking for gettimeofday... yes
checking for setitimer... no
checking for siginterrupt... no
checking for sysconf... no
checking for times... no
checking for ctime_r... no
checking for sched_setaffinity... no
checking for setlocale... yes
checking whether ctime_r is declared... yes
checking for closedir in -lmingwex... yes
checking for atan in -lm... yes
checking for dlopen in -ldl... no
checking for dlopen in -ldl... (cached) no
checking for size_t... yes
checking for working alloca.h... no
checking for alloca... yes
checking for pid_t... yes
checking vfork.h usability... no
checking vfork.h presence... no
checking for vfork.h... no
checking for fork... no
checking for vfork... no
checking for an ANSI C-conforming const... yes
checking whether byte ordering is bigendian... no
checking whether float word order is big endian... no
checking for nlist in -lelf... no
checking leading underscore in symbol names... yes
checking whether __attribute__((visibility("hidden"))) is supported... no
checking for clock_gettime in -lrt... no
checking for clock_gettime in -lrt... (cached) no
checking for clock_gettime... no
checking for timer_settime... no
checking for timer_create... no
checking for printf$LDBLStub... no
checking whether -lpthread is needed for pthreads... checking for pthread_create... no
checking for pthread_create in -lpthread... yes
yes
checking for pthread_setname_np in -lpthread... yes
checking for pthread_setname_np... yes
checking sys/eventfd.h usability... no
checking sys/eventfd.h presence... no
checking for sys/eventfd.h... no
checking for eventfd... no
checking for __thread support... yes
checking numa.h usability... no
checking numa.h presence... no
checking for numa.h... no
checking numaif.h usability... no
checking numaif.h presence... no
checking for numaif.h... no
configure: creating ./config.status
config.status: creating hadrian/cfg/system.config
config.status: creating mk/config.mk
config.status: creating mk/install.mk
config.status: creating mk/project.mk
config.status: creating rts/rts.cabal
config.status: creating compiler/ghc.cabal
config.status: creating ghc/ghc-bin.cabal
config.status: creating utils/runghc/runghc.cabal
config.status: creating utils/gen-dll/gen-dll.cabal
config.status: creating libraries/ghc-boot/ghc-boot.cabal
config.status: creating libraries/ghc-boot-th/ghc-boot-th.cabal
config.status: creating libraries/ghci/ghci.cabal
config.status: creating settings
config.status: creating docs/users_guide/ghc_config.py
config.status: creating docs/index.html
config.status: creating libraries/prologue.txt
config.status: creating distrib/configure.ac
config.status: creating mk/config.h

----------------------------------------------------------------------
Configure completed successfully.

   Building GHC version  : 8.4.1
          Git commit id  : f31c40efdc918bc9da8a325327ba5a472bd6ea9e

   Build platform        : x86_64-unknown-linux
   Host platform         : x86_64-unknown-linux
   Target platform       : i386-unknown-mingw32

   Bootstrapping using   : /opt/ghc/8.2.1/bin/ghc
      which is version   : 8.2.1

   Using (for bootstrapping) : gcc
   Using gcc                 : /usr/bin/i686-w64-mingw32-gcc
      which is version       : 7.2
   Building a cross compiler : YES
   Unregisterised            : NO
   hs-cpp       : /usr/bin/i686-w64-mingw32-gcc
   hs-cpp-flags : -E -undef -traditional
   ar           : i686-w64-mingw32-ar
   ld           : i686-w64-mingw32-ld
   nm           : i686-w64-mingw32-nm
   libtool      : 
   objdump      : 
   ranlib       : i686-w64-mingw32-ranlib
   windres      : 
   dllwrap      : 
   genlib       : 
   Happy        : /usr/bin/happy (1.19.7)
   Alex         : /usr/bin/alex (3.2.3)
   Perl         : /usr/bin/perl
   sphinx-build : /usr/bin/sphinx-build
   xelatex      : 

   Using LLVM tools
      clang : 
      llc   : 
      opt   : 

   HsColour was not found; documentation will not contain source links

   Tools to build Sphinx HTML documentation available: YES
   Tools to build Sphinx PDF documentation available: NO
----------------------------------------------------------------------

For a standard build of GHC (fully optimised with profiling), type (g)make.

To make changes to the default build configuration, copy the file
mk/build.mk.sample to mk/build.mk, and edit the settings in there.

For more information on how to configure your GHC build, see
   http://ghc.haskell.org/trac/ghc/wiki/Building