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authorEric Fiselier <eric@efcs.ca>2016-02-20 00:24:43 +0000
committerEric Fiselier <eric@efcs.ca>2016-02-20 00:24:43 +0000
commit100ce64c6d294048fc1c2c0ff59362ac1f440ad5 (patch)
tree815afc4addbdeb0bff750beda0d53f08d6c56f10 /cmake/Modules
parentb3792285ed48c8ee0e877b763b983093d656913a (diff)
Fix PR26622 - Make CheckLibcxxAtomic.cmake use the libc++ headers.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@261383 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake/Modules')
-rw-r--r--cmake/Modules/CheckLibcxxAtomic.cmake4
1 files changed, 2 insertions, 2 deletions
diff --git a/cmake/Modules/CheckLibcxxAtomic.cmake b/cmake/Modules/CheckLibcxxAtomic.cmake
index 9f2632736..ca490b3e7 100644
--- a/cmake/Modules/CheckLibcxxAtomic.cmake
+++ b/cmake/Modules/CheckLibcxxAtomic.cmake
@@ -9,9 +9,9 @@ INCLUDE(CheckCXXSourceCompiles)
function(check_cxx_atomics varname)
set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
- set(CMAKE_REQUIRED_FLAGS "-std=c++11")
+ set(CMAKE_REQUIRED_FLAGS "-std=c++11 -nostdinc++ -isystem ${LIBCXX_SOURCE_DIR}/include")
if (${LIBCXX_GCC_TOOLCHAIN})
- set(CMAKE_REQUIRED_FLAGS "-std=c++11 --gcc-toolchain=${LIBCXX_GCC_TOOLCHAIN}")
+ set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} --gcc-toolchain=${LIBCXX_GCC_TOOLCHAIN}")
endif()
check_cxx_source_compiles("
#include <cstdint>