diff options
| -rw-r--r-- | libcxx/src/experimental/memory_resource.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/libcxx/src/experimental/memory_resource.cpp b/libcxx/src/experimental/memory_resource.cpp index a6eca3743ea..a3b64cc8b49 100644 --- a/libcxx/src/experimental/memory_resource.cpp +++ b/libcxx/src/experimental/memory_resource.cpp @@ -68,12 +68,23 @@ union ResourceInitHelper { _LIBCPP_CONSTEXPR_AFTER_CXX11 ResourceInitHelper() : resources() {} ~ResourceInitHelper() {} }; + +// Detect if the init_priority attribute is supported. +#if (defined(_LIBCPP_COMPILER_GCC) && defined(__APPLE__)) \ + || defined(_LIBCPP_COMPILER_MSVC) +// GCC on Apple doesn't support the init priority attribute, +// and MSVC doesn't support any GCC attributes. +# define _LIBCPP_INIT_PRIORITY_MAX +#else +# define _LIBCPP_INIT_PRIORITY_MAX __attribute__((init_priority(101))) +#endif + // When compiled in C++14 this initialization should be a constant expression. // Only in C++11 is "init_priority" needed to ensure initialization order. #if _LIBCPP_STD_VER > 11 _LIBCPP_SAFE_STATIC #endif -ResourceInitHelper res_init __attribute__((init_priority (101))); +ResourceInitHelper res_init _LIBCPP_INIT_PRIORITY_MAX; } // end namespace |
