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authorXerxes Ranby <xerxes@zafena.se>2009-07-17 19:22:41 +0000
committerXerxes Ranby <xerxes@zafena.se>2009-07-17 19:22:41 +0000
commit6215c6227e788c7c13d5d83d469e5b0019a0f1af (patch)
tree661605be3062b23c92bb284d4170f09335b6314b /cmake/config-ix.cmake
parentd8aa9fc06274604eae2b5156045a71857a8f18c4 (diff)
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Implement cmake LLVM_MULTITHREADED gcc atomic builtin checks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76221 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake/config-ix.cmake')
-rwxr-xr-xcmake/config-ix.cmake3
1 files changed, 3 insertions, 0 deletions
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index 731071ef85..5833119e26 100755
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -76,6 +76,9 @@ if( LLVM_USING_GLIBC )
add_llvm_definitions( -D_GNU_SOURCE )
endif()
+# Define LLVM_MULTITHREADED if gcc atomic builtins exists.
+include(CheckAtomic)
+
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-fPIC" SUPPORTS_FPIC_FLAG)