diff options
| author | Chris Bieneman <beanz@apple.com> | 2015-11-10 00:41:18 +0000 |
|---|---|---|
| committer | Chris Bieneman <beanz@apple.com> | 2015-11-10 00:41:18 +0000 |
| commit | 4ae803e99647e837c5da1b2c992895c51f2118e5 (patch) | |
| tree | 0ba6993270be90a66192be49728645ffdc8fc2a9 /cmake/Modules | |
| parent | 6fd90709733df85f5cac054b70f37185e04cda9d (diff) | |
[CMake] Temporary workaround to support building builtins on darwin with a toolchain that may not support all x86 and arm architectures.
This is at least a little better than my first attempt. We still really need a way to do compile checks without linking.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@252572 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake/Modules')
| -rw-r--r-- | cmake/Modules/CompilerRTDarwinUtils.cmake | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/cmake/Modules/CompilerRTDarwinUtils.cmake b/cmake/Modules/CompilerRTDarwinUtils.cmake index c4e2e011c..7b61dc0ea 100644 --- a/cmake/Modules/CompilerRTDarwinUtils.cmake +++ b/cmake/Modules/CompilerRTDarwinUtils.cmake @@ -344,6 +344,24 @@ macro(darwin_add_builtin_libraries) endmacro() function(darwin_add_embedded_builtin_libraries) + # this is a hacky opt-out. If you can't target both intel and arm + # architectures we bail here. + set(DARWIN_SOFT_FLOAT_ARCHS armv6m armv7m armv7em armv7) + set(DARWIN_HARD_FLOAT_ARCHS armv7em armv7) + if(NOT COMPILER_RT_SUPPORTED_ARCH MATCHES ".*armv.*") + return() + endif() + + list(FIND COMPILER_RT_SUPPORTED_ARCH i386 i386_idx) + if(i386_idx GREATER -1) + list(APPEND DARWIN_HARD_FLOAT_ARCHS i386) + endif() + + list(FIND COMPILER_RT_SUPPORTED_ARCH x86_64 x86_64_idx) + if(x86_64_idx GREATER -1) + list(APPEND DARWIN_HARD_FLOAT_ARCHS x86_64) + endif() + set(MACHO_SYM_DIR ${CMAKE_CURRENT_SOURCE_DIR}/macho_embedded) if(CMAKE_CONFIGURATION_TYPES) foreach(type ${CMAKE_CONFIGURATION_TYPES}) @@ -376,9 +394,6 @@ function(darwin_add_embedded_builtin_libraries) set(CFLAGS_armv7m "-target thumbv7-apple-darwin-eabi") set(CFLAGS_i386 "-march=pentium") - set(DARWIN_SOFT_FLOAT_ARCHS armv6m armv7m armv7em armv7) - set(DARWIN_HARD_FLOAT_ARCHS armv7em armv7 i386 x86_64) - darwin_read_list_from_file(common_FUNCTIONS ${MACHO_SYM_DIR}/common.txt) darwin_read_list_from_file(thumb2_FUNCTIONS ${MACHO_SYM_DIR}/thumb2.txt) darwin_read_list_from_file(thumb2_64_FUNCTIONS ${MACHO_SYM_DIR}/thumb2-64.txt) |