Fix gcc if constexpr error

Check against __cplusplus version instead of compiler version. This fixes compilation errors when using an older cpp standard version with a newer gcc compiler. This flag requires GCC 4.7 or greater.
This commit is contained in:
Jonas Karlsson 2019-07-03 09:41:29 +02:00
parent f920ffabb2
commit 81dfda4cf3

View File

@ -298,7 +298,7 @@
# if (GLM_COMPILER & GLM_COMPILER_CLANG)
# define GLM_HAS_IF_CONSTEXPR __has_feature(cxx_if_constexpr)
# elif (GLM_COMPILER & GLM_COMPILER_GCC)
# define GLM_HAS_IF_CONSTEXPR GLM_COMPILER >= GLM_COMPILER_GCC7
# define GLM_HAS_IF_CONSTEXPR (__cplusplus >= 201703L)
# elif (GLM_LANG & GLM_LANG_CXX17_FLAG)
# define GLM_HAS_IF_CONSTEXPR 1
# else