diff options
Diffstat (limited to 'compiler-rt/cmake/config-ix.cmake')
| -rw-r--r-- | compiler-rt/cmake/config-ix.cmake | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake index e7f315cf8f0..28eb54be3ab 100644 --- a/compiler-rt/cmake/config-ix.cmake +++ b/compiler-rt/cmake/config-ix.cmake @@ -154,10 +154,15 @@ elseif(NOT APPLE) # Supported archs for Apple platforms are generated later test_target_arch(i686 __i686__ "-m32") test_target_arch(i386 __i386__ "-m32") else() + # Extract the major version from CMake's MSVC_VERSION variable and pass + # it to -fms-compatibility-version. The major version controls the most + # important parts of clang's compatibility. + string(SUBSTRING "${MSVC_VERSION}" 0 2 MSVC_MAJOR_VERSION) + set(flags "-fms-compatibility-version=${MSVC_MAJOR_VERSION}") if (CMAKE_SIZEOF_VOID_P EQUAL 4) - test_target_arch(i386 "" "") + test_target_arch(i386 "" "${flags}") else() - test_target_arch(x86_64 "" "") + test_target_arch(x86_64 "" "${flags}") endif() endif() elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc") |
