generic-library/cxx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ABI versioning macros for libc++.

Browse Source 
C++ macros and CMake options that specify the default ABI version of
the library, and can be overridden to pick up new ABI-changing
features.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@250254 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evgeniy Stepanov
2015-10-13 23:48:28 +00:00
parent b3b00818e5
commit 4f01aa8fb8
11 changed files with 85 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
include/__config
View File

@@ -23,7 +23,13 @@
#define _LIBCPP_VERSION 3800
#ifndef _LIBCPP_ABI_VERSION
#define _LIBCPP_ABI_VERSION 1
#endif
#if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2
#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
#endif
#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
@@ -240,9 +246,12 @@
#if defined(__clang__)
#if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \
!defined(__arm__)
#define _LIBCPP_ALTERNATE_STRING_LAYOUT
// _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for
// _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility.
#if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \
!defined(__arm__)) || \
defined(_LIBCPP_ALTERNATE_STRING_LAYOUT)
#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
#endif
#if __has_feature(cxx_alignas)