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| author | Eric Fiselier <eric@efcs.ca> | 2017-01-20 01:47:26 +0000 |
|---|---|---|
| committer | Eric Fiselier <eric@efcs.ca> | 2017-01-20 01:47:26 +0000 |
| commit | efea04512c28e1b8dea3d732e18a9213f3ed33c6 (patch) | |
| tree | bb3ee3aef58bafe73e54e4ba2749f8546953ff0a /libcxx | |
| parent | d294823930f4815eab824ae56ca7e6d9b1e8134c (diff) | |
| download | bcm5719-llvm-efea04512c28e1b8dea3d732e18a9213f3ed33c6.tar.gz bcm5719-llvm-efea04512c28e1b8dea3d732e18a9213f3ed33c6.zip | |
Disable aligned new/delete on Apple platforms without posix_memalign
Summary:
This patch disables the aligned new/delet overloads on Apple platforms without `posix_memalign`. This fixes libc++.dylib build regressions on such platforms.
This fixes http://llvm.org/PR31448.
This patch should also be merged into the 4.0 release branch
Reviewers: mclow.lists, rsmith, dexonsmith, jeremyhu
Reviewed By: mclow.lists
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D28931
llvm-svn: 292564
Diffstat (limited to 'libcxx')
| -rw-r--r-- | libcxx/include/__config | 12 | ||||
| -rw-r--r-- | libcxx/include/new | 5 | ||||
| -rw-r--r-- | libcxx/src/new.cpp | 4 |
3 files changed, 19 insertions, 2 deletions
diff --git a/libcxx/include/__config b/libcxx/include/__config index f214c7b87fd..63f477b92db 100644 --- a/libcxx/include/__config +++ b/libcxx/include/__config @@ -848,6 +848,18 @@ template <unsigned> struct __static_assert_check {}; #define _DECLARE_C99_LDBL_MATH 1 #endif +#if defined(__APPLE__) +# if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \ + defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) +# define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIROMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ +# endif +# if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) +# if __MAC_OS_X_VERSION_MIN_REQUIRED < 1060 +# define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION +# endif +# endif +#endif // defined(__APPLE__) + #if defined(__APPLE__) || defined(__FreeBSD__) #define _LIBCPP_HAS_DEFAULTRUNELOCALE #endif diff --git a/libcxx/include/new b/libcxx/include/new index 6589f16b7a1..6e43501d299 100644 --- a/libcxx/include/new +++ b/libcxx/include/new @@ -101,8 +101,9 @@ void operator delete[](void* ptr, void*) noexcept; # define _LIBCPP_HAS_NO_SIZED_DEALLOCATION #endif -#if !(defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER > 14 || \ - (defined(__cpp_aligned_new) && __cpp_aligned_new >= 201606)) +#if !defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) && \ + (!(defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER > 14 || \ + (defined(__cpp_aligned_new) && __cpp_aligned_new >= 201606))) # define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION #endif diff --git a/libcxx/src/new.cpp b/libcxx/src/new.cpp index 391718fdad7..b1e8ee324d8 100644 --- a/libcxx/src/new.cpp +++ b/libcxx/src/new.cpp @@ -151,6 +151,8 @@ operator delete[] (void* ptr, size_t) _NOEXCEPT ::operator delete[](ptr); } +#if !defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) + _LIBCPP_WEAK void * operator new(std::size_t size, std::align_val_t alignment) _THROW_BAD_ALLOC @@ -275,6 +277,8 @@ operator delete[] (void* ptr, size_t, std::align_val_t alignment) _NOEXCEPT ::operator delete[](ptr, alignment); } +#endif // !defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) + #endif // !__GLIBCXX__ namespace std |
