The target system is: Windows - 10.0.17763 - AMD64 The host system is: Windows - 10.0.17763 - AMD64 Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded. Compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe Build flags: ;/nologo;/DWIN32;/D_WINDOWS;/W3;/utf-8;/GR;/EHsc;/MP; Id flags: The output was: 0 CMakeCXXCompilerId.cpp Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "CMakeCXXCompilerId.exe" Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "CMakeCXXCompilerId.obj" The CXX compiler identification is MSVC, found in "D:/a/1/s/externals/vcpkg/buildtrees/fmt/x64-windows-rel/CMakeFiles/3.23.2/CompilerIdCXX/CMakeCXXCompilerId.exe" Detecting CXX compiler ABI info compiled with the following output: Change Dir: D:/a/1/s/externals/vcpkg/buildtrees/fmt/x64-windows-rel/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/Common7/IDE/CommonExtensions/Microsoft/CMake/Ninja/ninja.exe cmTC_f84a4 && [1/2] Building CXX object CMakeFiles\cmTC_f84a4.dir\CMakeCXXCompilerABI.cpp.obj [2/2] Linking CXX executable cmTC_f84a4.exe Performing C++ SOURCE FILE Test SUPPORTS_USER_DEFINED_LITERALS succeeded with the following output: Change Dir: D:/a/1/s/externals/vcpkg/buildtrees/fmt/x64-windows-rel/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/Common7/IDE/CommonExtensions/Microsoft/CMake/Ninja/ninja.exe cmTC_6d836 && [1/2] Building CXX object CMakeFiles\cmTC_6d836.dir\src.cxx.obj [2/2] Linking CXX executable cmTC_6d836.exe Source file was: void operator"" _udl(long double); int main() {} Performing C++ SOURCE FILE Test FMT_HAS_VARIANT succeeded with the following output: Change Dir: D:/a/1/s/externals/vcpkg/buildtrees/fmt/x64-windows-rel/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/Common7/IDE/CommonExtensions/Microsoft/CMake/Ninja/ninja.exe cmTC_be43f && [1/2] Building CXX object CMakeFiles\cmTC_be43f.dir\src.cxx.obj cl : Command line warning D9002 : ignoring unknown option '-std=c++1z' The contents of are available only with C++17 or later. [2/2] Linking CXX executable cmTC_be43f.exe Source file was: #include int main() {} Determining if the _strtod_l exist passed with the following output: Change Dir: D:/a/1/s/externals/vcpkg/buildtrees/fmt/x64-windows-rel/CMakeFiles/CMakeTmp Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/Common7/IDE/CommonExtensions/Microsoft/CMake/Ninja/ninja.exe cmTC_91653 && [1/2] Building CXX object CMakeFiles\cmTC_91653.dir\CheckSymbolExists.cxx.obj [2/2] Linking CXX executable cmTC_91653.exe File D:/a/1/s/externals/vcpkg/buildtrees/fmt/x64-windows-rel/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef _strtod_l return ((int*)(&_strtod_l))[argc]; #else (void)argc; return 0; #endif }