cmake LIBUNWIND_HAS_NOSTDINCXX_FLAG examples

WAVM/WAVM ThirdParty/libunwind/cmake/config-ix.cmake :58 

check_cxx_compiler_flag(-nostdinc++           LIBUNWIND_HAS_NOSTDINCXX_FLAG)

KiCad/kicad-source-mirror thirdparty/sentry-native/external/crashpad/libunwind/cmake/config-ix.cmake :86 

check_cxx_compiler_flag(-nostdinc++ LIBUNWIND_HAS_NOSTDINCXX_FLAG)