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LLVM_BUILD_32_BITS: Add -m32 with CMAKE_C*_FLAGS. [CMP0056]
With CMP0056, try_compile() uses also CMAKE_EXE_LINKER_FLAG. It caused mismatch between CMAKE_CXX_FLAGS and CMAKE_EXE_LINKER_FLAGS, to fail to examine CXX_SUPPORTS_CXX11 with -m32. FYI, before this, try_compile() tries without -m32 regardless of LLVM_BUILD_32_BITS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271871 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -166,7 +166,8 @@ if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
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# TODO: support other platforms and toolchains.
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if( LLVM_BUILD_32_BITS )
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message(STATUS "Building 32 bits executables and libraries.")
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add_llvm_definitions( -m32 )
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -m32")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -m32")
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -m32")
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