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- Detect libstdc++ from gcc-5 and never.

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This commit is contained in:
Владислав Щапов 2021-04-18 20:41:50 +05:00
parent fc875735dd
commit 6ab0cb2844
1 changed files with 3 additions and 0 deletions
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3
include/ghc/filesystem.hpp
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@ -240,6 +240,9 @@
#define GHC_HAS_STD_EXPERIMENTAL_STRING_VIEW
#elif defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)) && (__cplusplus >= 201402)
#define GHC_HAS_STD_EXPERIMENTAL_STRING_VIEW
#elif defined(__GLIBCXX__) && defined(_GLIBCXX_USE_DUAL_ABI) && (__cplusplus >= 201402)
// macro _GLIBCXX_USE_DUAL_ABI is always defined in libstdc++ from gcc-5 and newer
#define GHC_HAS_STD_EXPERIMENTAL_STRING_VIEW
#endif
#if defined(GHC_HAS_STD_STRING_VIEW)