Merge pull request #115 from phprus/experimental-string_view

Improved string_view support (v2)
gulrak · Apr 20, 2021 · 7fb5021 · 7fb5021
2 parents fc87573 + 6ab0cb2
commit 7fb5021
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/include/ghc/filesystem.hpp b/include/ghc/filesystem.hpp
@@ -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)