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LLVM_BUILD_32_BITS: Add -m32 with CMAKE_C*_FLAGS. [CMP0056]

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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.

llvm-svn: 271871
This commit is contained in:
NAKAMURA Takumi 2016-06-06 05:54:55 +00:00
parent 50151618a6
commit 311ae9cc2f
1 changed files with 2 additions and 1 deletions
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3
cmake/modules/HandleLLVMOptions.cmake
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@ -166,7 +166,8 @@ if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
# TODO: support other platforms and toolchains.
if( LLVM_BUILD_32_BITS )
message(STATUS "Building 32 bits executables and libraries.")
add_llvm_definitions( -m32 )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -m32")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -m32")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -m32")