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[CMake] Add -fvisibility-inlines-hidden if the compiler supports it. 

This results in a significant reduction in the size of the sanitizer libraries.

llvm-svn: 254308
This commit is contained in:
Chris Bieneman 2015-11-30 17:42:30 +00:00
parent e6241798c9
commit 9b6d4ffdf9
1 changed files with 6 additions and 0 deletions
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6
compiler-rt/cmake/config-ix.cmake
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@ -30,6 +30,12 @@ check_cxx_compiler_flag(-fno-lto COMPILER_RT_HAS_FNO_LTO_FLAG)
check_cxx_compiler_flag(-msse3 COMPILER_RT_HAS_MSSE3_FLAG)
check_cxx_compiler_flag(-std=c99 COMPILER_RT_HAS_STD_C99_FLAG)
if(NOT WIN32 AND NOT CYGWIN)
# MinGW warns if -fvisibility-inlines-hidden is used.
check_cxx_compiler_flag("-fvisibility-inlines-hidden" COMPILER_RT_HAS_FVISIBILITY_INLINES_HIDDEN_FLAG)
append_string_if(COMPILER_RT_HAS_FVISIBILITY_INLINES_HIDDEN_FLAG "-fvisibility-inlines-hidden" CMAKE_CXX_FLAGS)
endif()
check_cxx_compiler_flag(/GR COMPILER_RT_HAS_GR_FLAG)
check_cxx_compiler_flag(/GS COMPILER_RT_HAS_GS_FLAG)
check_cxx_compiler_flag(/MT COMPILER_RT_HAS_MT_FLAG)