diff options
Diffstat (limited to 'cmake/Modules/CompilerRTUtils.cmake')
| -rw-r--r-- | cmake/Modules/CompilerRTUtils.cmake | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/cmake/Modules/CompilerRTUtils.cmake b/cmake/Modules/CompilerRTUtils.cmake index ae389ba05..cedaaeeb3 100644 --- a/cmake/Modules/CompilerRTUtils.cmake +++ b/cmake/Modules/CompilerRTUtils.cmake @@ -100,6 +100,13 @@ function(filter_available_targets out_var) set(${out_var} ${archs} PARENT_SCOPE) endfunction() +# Add $arch as supported with no additional flags. +macro(add_default_target_arch arch) + set(TARGET_${arch}_CFLAGS "") + set(CAN_TARGET_${arch} 1) + list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch}) +endmacro() + function(check_compile_definition def argstring out_var) if("${def}" STREQUAL "") set(${out_var} TRUE PARENT_SCOPE) @@ -223,8 +230,16 @@ macro(load_llvm_config) endmacro() macro(construct_compiler_rt_default_triple) - set(COMPILER_RT_DEFAULT_TARGET_TRIPLE ${TARGET_TRIPLE} CACHE STRING - "Default triple for which compiler-rt runtimes will be built.") + if(COMPILER_RT_DEFAULT_TARGET_ONLY) + if(DEFINED COMPILER_RT_DEFAULT_TARGET_TRIPLE) + message(FATAL_ERROR "COMPILER_RT_DEFAULT_TARGET_TRIPLE isn't supported when building for default target only") + endif() + set(COMPILER_RT_DEFAULT_TARGET_TRIPLE ${CMAKE_C_COMPILER_TARGET}) + else() + set(COMPILER_RT_DEFAULT_TARGET_TRIPLE ${TARGET_TRIPLE} CACHE STRING + "Default triple for which compiler-rt runtimes will be built.") + endif() + if(DEFINED COMPILER_RT_TEST_TARGET_TRIPLE) # Backwards compatibility: this variable used to be called # COMPILER_RT_TEST_TARGET_TRIPLE. @@ -234,7 +249,10 @@ macro(construct_compiler_rt_default_triple) string(REPLACE "-" ";" TARGET_TRIPLE_LIST ${COMPILER_RT_DEFAULT_TARGET_TRIPLE}) list(GET TARGET_TRIPLE_LIST 0 COMPILER_RT_DEFAULT_TARGET_ARCH) list(GET TARGET_TRIPLE_LIST 1 COMPILER_RT_DEFAULT_TARGET_OS) - list(GET TARGET_TRIPLE_LIST 2 COMPILER_RT_DEFAULT_TARGET_ABI) + list(LENGTH TARGET_TRIPLE_LIST TARGET_TRIPLE_LIST_LENGTH) + if(TARGET_TRIPLE_LIST_LENGTH GREATER 2) + list(GET TARGET_TRIPLE_LIST 2 COMPILER_RT_DEFAULT_TARGET_ABI) + endif() # Determine if test target triple is specified explicitly, and doesn't match the # default. if(NOT COMPILER_RT_DEFAULT_TARGET_TRIPLE STREQUAL TARGET_TRIPLE) |