llvm/libcxx
1
0
Fork 0
mirror of https://github.com/llvm-mirror/libcxx.git synced 2025-10-24 12:02:36 +08:00
Code Issues Packages Projects Releases Wiki Activity

[Libc++] Use #pragma push_macro/pop_macro to better handle min/max on Windows

Browse Source 
Summary:
This patch improves how libc++ handles min/max macros within the headers. Previously libc++ would undef them and emit a warning.
This patch changes libc++ to use `#pragma push_macro`  to save the macro before undefining it, and `#pragma pop_macro` to restore the macros and the end of the header.

Reviewers: mclow.lists, bcraig, compnerd, EricWF

Reviewed By: EricWF

Subscribers: cfe-commits, krytarowski

Differential Revision: https://reviews.llvm.org/D33080

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@304357 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2017-05-31 22:07:49 +00:00
parent 256425754d
commit 018a3d51a4
50 changed files with 601 additions and 95 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
include/experimental/algorithm
View File

@@ -39,17 +39,18 @@ SampleIterator sample(PopulationIterator first, PopulationIterator last,
#include <algorithm>
#include <type_traits>
#include <__undef_min_max>
#include <__debug>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
_LIBCPP_BEGIN_NAMESPACE_LFTS
template <class _ForwardIterator, class _Searcher>
_LIBCPP_INLINE_VISIBILITY
_ForwardIterator search(_ForwardIterator __f, _ForwardIterator __l, const _Searcher &__s)
@@ -67,4 +68,6 @@ _SampleIterator sample(_PopulationIterator __first, _PopulationIterator __last,
_LIBCPP_END_NAMESPACE_LFTS
_LIBCPP_POP_MACROS
#endif /* _LIBCPP_EXPERIMENTAL_ALGORITHM */