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| author | Chris Bieneman <beanz@apple.com> | 2016-09-01 21:05:49 +0000 |
|---|---|---|
| committer | Chris Bieneman <beanz@apple.com> | 2016-09-01 21:05:49 +0000 |
| commit | 90646fe815d254fd50144ba72c56247785048b64 (patch) | |
| tree | 1b851f1cb35805eaa7a19f5db8d3167cf1a64dd2 | |
| parent | c0f18172f56ad349f56fefc15131cef2782bec8a (diff) | |
| download | bcm5719-llvm-90646fe815d254fd50144ba72c56247785048b64.tar.gz bcm5719-llvm-90646fe815d254fd50144ba72c56247785048b64.zip | |
[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.
llvm-svn: 280416
| -rw-r--r-- | compiler-rt/lib/builtins/CMakeLists.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler-rt/lib/builtins/CMakeLists.txt b/compiler-rt/lib/builtins/CMakeLists.txt index a7d665e9c7d..9ea0ba0d736 100644 --- a/compiler-rt/lib/builtins/CMakeLists.txt +++ b/compiler-rt/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) |
