diff options
author | Chris Bieneman <beanz@apple.com> | 2016-09-01 21:05:49 +0000 |
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committer | Chris Bieneman <beanz@apple.com> | 2016-09-01 21:05:49 +0000 |
commit | 4d103fc73ec229737b7fb530cc1a6302422f7cf8 (patch) | |
tree | 96d5e335dd87cde767f4f65c589a97ecb98ef03b /lib/builtins/CMakeLists.txt | |
parent | 8ea9f132b2cc036817add97b8bceb70f63d147a0 (diff) |
[CMake] Add option (defaulted off) to exclude atomic.c
The atomic builtin source is problematic when cross-compiling builtins because it requires a variable and sometimes large set of system headers. This option allows users to optionally prevent it from being built.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@280416 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/builtins/CMakeLists.txt')
-rw-r--r-- | lib/builtins/CMakeLists.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/builtins/CMakeLists.txt b/lib/builtins/CMakeLists.txt index a7d665e9c..9ea0ba0d7 100644 --- a/lib/builtins/CMakeLists.txt +++ b/lib/builtins/CMakeLists.txt @@ -164,7 +164,11 @@ set(GENERIC_SOURCES umodsi3.c umodti3.c) -if(COMPILER_RT_HAS_ATOMIC_KEYWORD) +option(COMPILER_RT_EXCLUDE_ATOMIC_BUILTIN + "Skip the atomic builtin (this may be needed if system headers are unavailable)" + Off) + +if(COMPILER_RT_HAS_ATOMIC_KEYWORD AND NOT COMPILER_RT_EXCLUDE_ATOMIC_BUILTIN) set(GENERIC_SOURCES ${GENERIC_SOURCES} atomic.c) |