gistfile1.txt

+ mkdir build
+ cd build
+ cmake --version
cmake version 3.20.1

CMake suite maintained and supported by Kitware (kitware.com/cmake).
+ CC=gcc-10
+ CXX=g++-10
+ cmake .. -DCMAKE_VERBOSE_MAKEFILE=ON
-- The CXX compiler identification is GNU 10.2.1
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/g++-10 - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- CPM: adding package fmt@ (master)
-- Version: 7.1.3
-- Build type: 
-- CXX_STANDARD: 17
-- Performing Test has_std_17_flag
-- Performing Test has_std_17_flag - Success
-- Performing Test has_std_1z_flag
-- Performing Test has_std_1z_flag - Success
-- Performing Test SUPPORTS_USER_DEFINED_LITERALS
-- Performing Test SUPPORTS_USER_DEFINED_LITERALS - Success
-- Performing Test FMT_HAS_VARIANT
-- Performing Test FMT_HAS_VARIANT - Success
-- Required features: cxx_variadic_templates
-- Looking for strtod_l
-- Looking for strtod_l - found
-- Configuring done
-- Generating done
-- Build files have been written to: /home/oliver/src/examples/General/cmake-fmt/build
+ make
/snap/cmake/858/bin/cmake -S/home/oliver/src/examples/General/cmake-fmt -B/home/oliver/src/examples/General/cmake-fmt/build --check-build-system CMakeFiles/Makefile.cmake 0
/snap/cmake/858/bin/cmake -E cmake_progress_start /home/oliver/src/examples/General/cmake-fmt/build/CMakeFiles /home/oliver/src/examples/General/cmake-fmt/build//CMakeFiles/progress.marks
make  -f CMakeFiles/Makefile2 all
make[1]: Entering directory '/home/oliver/src/examples/General/cmake-fmt/build'
make  -f _deps/fmt-build/CMakeFiles/fmt.dir/build.make _deps/fmt-build/CMakeFiles/fmt.dir/depend
make[2]: Entering directory '/home/oliver/src/examples/General/cmake-fmt/build'
cd /home/oliver/src/examples/General/cmake-fmt/build && /snap/cmake/858/bin/cmake -E cmake_depends "Unix Makefiles" /home/oliver/src/examples/General/cmake-fmt /home/oliver/src/examples/General/cmake-fmt/build/_deps/fmt-src /home/oliver/src/examples/General/cmake-fmt/build /home/oliver/src/examples/General/cmake-fmt/build/_deps/fmt-build /home/oliver/src/examples/General/cmake-fmt/build/_deps/fmt-build/CMakeFiles/fmt.dir/DependInfo.cmake --color=
make[2]: Leaving directory '/home/oliver/src/examples/General/cmake-fmt/build'
make  -f _deps/fmt-build/CMakeFiles/fmt.dir/build.make _deps/fmt-build/CMakeFiles/fmt.dir/build
make[2]: Entering directory '/home/oliver/src/examples/General/cmake-fmt/build'
[ 20%] Building CXX object _deps/fmt-build/CMakeFiles/fmt.dir/src/format.cc.o
cd /home/oliver/src/examples/General/cmake-fmt/build/_deps/fmt-build && /usr/bin/g++-10 -DFMT_HEADER_ONLY=1 -DFMT_LOCALE -I/home/oliver/src/examples/General/cmake-fmt/build/_deps/fmt-src/include -std=gnu++17 -MD -MT _deps/fmt-build/CMakeFiles/fmt.dir/src/format.cc.o -MF CMakeFiles/fmt.dir/src/format.cc.o.d -o CMakeFiles/fmt.dir/src/format.cc.o -c /home/oliver/src/examples/General/cmake-fmt/build/_deps/fmt-src/src/format.cc
/home/oliver/src/examples/General/cmake-fmt/build/_deps/fmt-src/src/format.cc:58:51: error: duplicate explicit instantiation of ‘struct fmt::v7::detail::basic_data<void>’ [-fpermissive]
   58 | template struct FMT_INSTANTIATION_DEF_API detail::basic_data<void>;
      |                                                   ^~~~~~~~~~~~~~~~
make[2]: *** [_deps/fmt-build/CMakeFiles/fmt.dir/build.make:79: _deps/fmt-build/CMakeFiles/fmt.dir/src/format.cc.o] Error 1
make[2]: Leaving directory '/home/oliver/src/examples/General/cmake-fmt/build'
make[1]: *** [CMakeFiles/Makefile2:119: _deps/fmt-build/CMakeFiles/fmt.dir/all] Error 2
make[1]: Leaving directory '/home/oliver/src/examples/General/cmake-fmt/build'
make: *** [Makefile:94: all] Error 2