diff options
Diffstat (limited to 'cmake/base-config-ix.cmake')
| -rw-r--r-- | cmake/base-config-ix.cmake | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/cmake/base-config-ix.cmake b/cmake/base-config-ix.cmake index b38c6ca96..953d9e530 100644 --- a/cmake/base-config-ix.cmake +++ b/cmake/base-config-ix.cmake @@ -4,6 +4,8 @@ # runtime libraries. include(CheckIncludeFile) +include(CheckCXXSourceCompiles) + check_include_file(unwind.h HAVE_UNWIND_H) # Top level target used to build all compiler-rt libraries. @@ -86,6 +88,17 @@ if(APPLE) option(COMPILER_RT_ENABLE_IOS "Enable building for iOS" On) option(COMPILER_RT_ENABLE_WATCHOS "Enable building for watchOS - Experimental" Off) option(COMPILER_RT_ENABLE_TVOS "Enable building for tvOS - Experimental" Off) + + CHECK_CXX_SOURCE_COMPILES(" + static thread_local int blah; + int main() { + return 0; + } + " HAS_THREAD_LOCAL) + + if( NOT HAS_THREAD_LOCAL ) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Dthread_local=__thread") + endif() else() option(COMPILER_RT_DEFAULT_TARGET_ONLY "Build builtins only for the default target" Off) endif() |