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cmake: pass -fvisibility-inlines-hidden if it is supported. In a

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Release+Asserts build with -DBUILD_SHARED_LIBS=ON, the install
directory goes from 72MB to 70MB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148530 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2012-01-20 04:07:48 +00:00
parent a48678332b
commit b28885057e
1 changed files with 6 additions and 0 deletions
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6
cmake/modules/HandleLLVMOptions.cmake
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@ -88,6 +88,12 @@ if( LLVM_ENABLE_PIC )
else( SUPPORTS_FPIC_FLAG )
message(WARNING "-fPIC not supported.")
endif()
check_cxx_compiler_flag("-fvisibility-inlines-hidden" SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG)
if( SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-inlines-hidden")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility-inlines-hidden")
endif()
endif()
endif()