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[CMake] Respect the value of -mmacosx-version-min flag. 

Make sure that sanitizer runtimes target OS X version provided in
-mmacosx-version-min= flag. Enforce that it should be at least 10.7.

llvm-svn: 240356
This commit is contained in:
Alexey Samsonov 2015-06-22 23:30:28 +00:00
parent 9d5891fd34
commit c05dd074e7
1 changed files with 12 additions and 5 deletions
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17
compiler-rt/CMakeLists.txt
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@ -292,14 +292,21 @@ if(APPLE)
find_darwin_sdk_dir(OSX_SDK_DIR macosx)
find_darwin_sdk_dir(IOSSIM_SDK_DIR iphonesimulator)
string(REGEX MATCH "-mmacosx-version-min="
MACOSX_VERSION_MIN_FLAG "${CMAKE_CXX_FLAGS}")
set(SANITIZER_COMMON_SUPPORTED_OS osx)
if (IOSSIM_SDK_DIR AND NOT MACOSX_VERSION_MIN_FLAG)
list(APPEND SANITIZER_COMMON_SUPPORTED_OS iossim)
string(REGEX MATCH "-mmacosx-version-min=([.0-9]+)"
MACOSX_VERSION_MIN_FLAG "${CMAKE_CXX_FLAGS}")
if(MACOSX_VERSION_MIN_FLAG)
set(SANITIZER_MIN_OSX_VERSION "${CMAKE_MATCH_1}")
if(SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.7")
message(FATAL_ERROR "Too old OS X version: ${SANITIZER_MIN_OSX_VERSION}")
endif()
else()
set(SANITIZER_MIN_OSX_VERSION 10.7)
if(IOSSIM_SDK_DIR)
list(APPEND SANITIZER_COMMON_SUPPORTED_OS iossim)
endif()
endif()
set(SANITIZER_MIN_OSX_VERSION 10.7)
set(CMAKE_OSX_DEPLOYMENT_TARGET "") # We're setting the flag manually below.
set(DARWIN_osx_CFLAGS -mmacosx-version-min=${SANITIZER_MIN_OSX_VERSION}
-stdlib=libc++)