maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[libc++] Detect C11 features on non-Clang compilers 

Summary:
The macros were inside `#if defined(_LIBCPP_COMPILER_CLANG)`, which means
we would never detect C11 features on non-Clang compilers. According to
Marshall Clow, this is not the intended behavior.

Reviewers: mclow.lists, EricWF

Subscribers: krytarowski, christof, dexonsmith, cfe-commits

Differential Revision: https://reviews.llvm.org/D50748

llvm-svn: 339741
This commit is contained in:
Louis Dionne 2018-08-15 00:16:41 +00:00
parent 66654b72c9
commit 894ffdd82f
1 changed files with 22 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
libcxx/include/__config
View File

@ -328,6 +328,28 @@
# define _LIBCPP_NO_CFI
#endif
#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
# if defined(__FreeBSD__)
# define _LIBCPP_HAS_QUICK_EXIT
# define _LIBCPP_HAS_C11_FEATURES
# elif defined(__Fuchsia__)
# define _LIBCPP_HAS_QUICK_EXIT
# define _LIBCPP_HAS_C11_FEATURES
# elif defined(__linux__)
# if !defined(_LIBCPP_HAS_MUSL_LIBC)
# if _LIBCPP_GLIBC_PREREQ(2, 15) || defined(__BIONIC__)
# define _LIBCPP_HAS_QUICK_EXIT
# endif
# if _LIBCPP_GLIBC_PREREQ(2, 17)
# define _LIBCPP_HAS_C11_FEATURES
# endif
# else // defined(_LIBCPP_HAS_MUSL_LIBC)
# define _LIBCPP_HAS_QUICK_EXIT
# define _LIBCPP_HAS_C11_FEATURES
# endif
# endif // __linux__
#endif
#if defined(_LIBCPP_COMPILER_CLANG)
// _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for
@ -430,28 +452,6 @@ typedef __char32_t char32_t;
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
#endif
#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
# if defined(__FreeBSD__)
# define _LIBCPP_HAS_QUICK_EXIT
# define _LIBCPP_HAS_C11_FEATURES
# elif defined(__Fuchsia__)
# define _LIBCPP_HAS_QUICK_EXIT
# define _LIBCPP_HAS_C11_FEATURES
# elif defined(__linux__)
# if !defined(_LIBCPP_HAS_MUSL_LIBC)
# if _LIBCPP_GLIBC_PREREQ(2, 15) || defined(__BIONIC__)
# define _LIBCPP_HAS_QUICK_EXIT
# endif
# if _LIBCPP_GLIBC_PREREQ(2, 17)
# define _LIBCPP_HAS_C11_FEATURES
# endif
# else // defined(_LIBCPP_HAS_MUSL_LIBC)
# define _LIBCPP_HAS_QUICK_EXIT
# define _LIBCPP_HAS_C11_FEATURES
# endif
# endif // __linux__
#endif
#if !(__has_feature(cxx_noexcept))
#define _LIBCPP_HAS_NO_NOEXCEPT
#endif