diff options
| -rw-r--r-- | cmake/Modules/CompilerRTUtils.cmake | 54 | ||||
| -rw-r--r-- | cmake/config-ix.cmake | 54 |
2 files changed, 54 insertions, 54 deletions
diff --git a/cmake/Modules/CompilerRTUtils.cmake b/cmake/Modules/CompilerRTUtils.cmake index ad9e70c05..a8fd89a55 100644 --- a/cmake/Modules/CompilerRTUtils.cmake +++ b/cmake/Modules/CompilerRTUtils.cmake @@ -67,3 +67,57 @@ macro(list_intersect output input1 input2) endif() endforeach() endmacro() + +# Takes ${ARGN} and puts only supported architectures in @out_var list. +function(filter_available_targets out_var) + set(archs ${${out_var}}) + foreach(arch ${ARGN}) + list(FIND COMPILER_RT_SUPPORTED_ARCH ${arch} ARCH_INDEX) + if(NOT (ARCH_INDEX EQUAL -1) AND CAN_TARGET_${arch}) + list(APPEND archs ${arch}) + endif() + endforeach() + set(${out_var} ${archs} PARENT_SCOPE) +endfunction() + +function(check_compile_definition def argstring out_var) + if("${def}" STREQUAL "") + set(${out_var} TRUE PARENT_SCOPE) + return() + endif() + cmake_push_check_state() + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${argstring}") + check_symbol_exists(${def} "" ${out_var}) + cmake_pop_check_state() +endfunction() + +# test_target_arch(<arch> <def> <target flags...>) +# Checks if architecture is supported: runs host compiler with provided +# flags to verify that: +# 1) <def> is defined (if non-empty) +# 2) simple file can be successfully built. +# If successful, saves target flags for this architecture. +macro(test_target_arch arch def) + set(TARGET_${arch}_CFLAGS ${ARGN}) + set(argstring "") + foreach(arg ${ARGN}) + set(argstring "${argstring} ${arg}") + endforeach() + check_compile_definition("${def}" "${argstring}" HAS_${arch}_DEF) + if(NOT HAS_${arch}_DEF) + set(CAN_TARGET_${arch} FALSE) + else() + set(argstring "${CMAKE_EXE_LINKER_FLAGS} ${argstring}") + try_compile(CAN_TARGET_${arch} ${CMAKE_BINARY_DIR} ${SIMPLE_SOURCE} + COMPILE_DEFINITIONS "${TARGET_${arch}_CFLAGS}" + OUTPUT_VARIABLE TARGET_${arch}_OUTPUT + CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${argstring}") + endif() + if(${CAN_TARGET_${arch}}) + list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch}) + elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "${arch}" AND + COMPILER_RT_HAS_EXPLICIT_DEFAULT_TARGET_TRIPLE) + # Bail out if we cannot target the architecture we plan to test. + message(FATAL_ERROR "Cannot compile for ${arch}:\n${TARGET_${arch}_OUTPUT}") + endif() +endmacro() diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake index 077ed9830..db3374cd8 100644 --- a/cmake/config-ix.cmake +++ b/cmake/config-ix.cmake @@ -93,48 +93,6 @@ set(COMPILER_RT_SUPPORTED_ARCH) set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.cc) file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\n#include <limits>\nint main() {}\n") -function(check_compile_definition def argstring out_var) - if("${def}" STREQUAL "") - set(${out_var} TRUE PARENT_SCOPE) - return() - endif() - cmake_push_check_state() - set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${argstring}") - check_symbol_exists(${def} "" ${out_var}) - cmake_pop_check_state() -endfunction() - -# test_target_arch(<arch> <def> <target flags...>) -# Checks if architecture is supported: runs host compiler with provided -# flags to verify that: -# 1) <def> is defined (if non-empty) -# 2) simple file can be successfully built. -# If successful, saves target flags for this architecture. -macro(test_target_arch arch def) - set(TARGET_${arch}_CFLAGS ${ARGN}) - set(argstring "") - foreach(arg ${ARGN}) - set(argstring "${argstring} ${arg}") - endforeach() - check_compile_definition("${def}" "${argstring}" HAS_${arch}_DEF) - if(NOT HAS_${arch}_DEF) - set(CAN_TARGET_${arch} FALSE) - else() - set(argstring "${CMAKE_EXE_LINKER_FLAGS} ${argstring}") - try_compile(CAN_TARGET_${arch} ${CMAKE_BINARY_DIR} ${SIMPLE_SOURCE} - COMPILE_DEFINITIONS "${TARGET_${arch}_CFLAGS}" - OUTPUT_VARIABLE TARGET_${arch}_OUTPUT - CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${argstring}") - endif() - if(${CAN_TARGET_${arch}}) - list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch}) - elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "${arch}" AND - COMPILER_RT_HAS_EXPLICIT_DEFAULT_TARGET_TRIPLE) - # Bail out if we cannot target the architecture we plan to test. - message(FATAL_ERROR "Cannot compile for ${arch}:\n${TARGET_${arch}_OUTPUT}") - endif() -endmacro() - # Add $arch as supported with no additional flags. macro(add_default_target_arch arch) set(TARGET_${arch}_CFLAGS "") @@ -234,18 +192,6 @@ elseif(NOT APPLE) # Supported archs for Apple platforms are generated later set(COMPILER_RT_OS_SUFFIX "") endif() -# Takes ${ARGN} and puts only supported architectures in @out_var list. -function(filter_available_targets out_var) - set(archs ${${out_var}}) - foreach(arch ${ARGN}) - list(FIND COMPILER_RT_SUPPORTED_ARCH ${arch} ARCH_INDEX) - if(NOT (ARCH_INDEX EQUAL -1) AND CAN_TARGET_${arch}) - list(APPEND archs ${arch}) - endif() - endforeach() - set(${out_var} ${archs} PARENT_SCOPE) -endfunction() - # Returns a list of architecture specific target cflags in @out_var list. function(get_target_flags_for_arch arch out_var) list(FIND COMPILER_RT_SUPPORTED_ARCH ${arch} ARCH_INDEX) |