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if(_ARMClang_CMAKE_LOADED)
return()
endif()
set(_ARMClang_CMAKE_LOADED TRUE)
cmake_policy(PUSH)
cmake_policy(SET CMP0057 NEW) # if IN_LIST
get_filename_component(_CMAKE_C_TOOLCHAIN_LOCATION "${CMAKE_C_COMPILER}" PATH)
get_filename_component(_CMAKE_CXX_TOOLCHAIN_LOCATION "${CMAKE_CXX_COMPILER}" PATH)
set(CMAKE_EXECUTABLE_SUFFIX ".elf")
find_program(CMAKE_ARMClang_LINKER armlink HINTS "${_CMAKE_C_TOOLCHAIN_LOCATION}" "${_CMAKE_CXX_TOOLCHAIN_LOCATION}" )
find_program(CMAKE_ARMClang_AR armar HINTS "${_CMAKE_C_TOOLCHAIN_LOCATION}" "${_CMAKE_CXX_TOOLCHAIN_LOCATION}" )
set(CMAKE_LINKER "${CMAKE_ARMClang_LINKER}" CACHE FILEPATH "The ARMClang linker" FORCE)
mark_as_advanced(CMAKE_ARMClang_LINKER)
set(CMAKE_AR "${CMAKE_ARMClang_AR}" CACHE FILEPATH "The ARMClang archiver" FORCE)
mark_as_advanced(CMAKE_ARMClang_AR)
# get compiler supported cpu list
function(__armclang_set_processor_list lang out_var)
execute_process(COMMAND "${CMAKE_${lang}_COMPILER}" --target=${CMAKE_${lang}_COMPILER_TARGET} -mcpu=list
OUTPUT_VARIABLE processor_list
ERROR_VARIABLE processor_list)
string(REGEX MATCHALL "-mcpu=([^ \n]*)" processor_list "${processor_list}")
string(REGEX REPLACE "-mcpu=" "" processor_list "${processor_list}")
set(${out_var} "${processor_list}" PARENT_SCOPE)
endfunction()
# check processor is in list
function(__armclang_check_processor processor list out_var)
string(TOLOWER "${processor}" processor)
if(processor IN_LIST list)
set(${out_var} TRUE PARENT_SCOPE)
else()
set(${out_var} FALSE PARENT_SCOPE)
endif()
endfunction()
macro(__compiler_armclang lang)
if(NOT CMAKE_${lang}_COMPILER_TARGET)
set(CMAKE_${lang}_COMPILER_TARGET arm-arm-none-eabi)
endif()
if(NOT CMAKE_${lang}_COMPILER_PROCESSOR_LIST)
__armclang_set_processor_list(${lang} CMAKE_${lang}_COMPILER_PROCESSOR_LIST)
endif()
if(NOT CMAKE_SYSTEM_PROCESSOR)
message(FATAL_ERROR " CMAKE_SYSTEM_PROCESSOR must be set for ARMClang\n"
" Supported processor: ${CMAKE_${lang}_COMPILER_PROCESSOR_LIST}\n")
else()
__armclang_check_processor("${CMAKE_SYSTEM_PROCESSOR}" "${CMAKE_${lang}_COMPILER_PROCESSOR_LIST}" _CMAKE_${lang}_CHECK_RESULT)
if(NOT _CMAKE_${lang}_CHECK_RESULT)
message(FATAL_ERROR " System processor '${CMAKE_SYSTEM_PROCESSOR}' not supported by ARMClang ${lang} compiler\n"
" Supported processor: ${CMAKE_${lang}_COMPILER_PROCESSOR_LIST}\n")
endif()
unset(_CMAKE_${lang}_CHECK_RESULT)
endif()
string(APPEND CMAKE_${lang}_FLAGS_INIT "-mcpu=${CMAKE_SYSTEM_PROCESSOR}")
string(APPEND CMAKE_${lang}_LINK_FLAGS "--cpu=${CMAKE_SYSTEM_PROCESSOR}")
set(CMAKE_${lang}_LINK_EXECUTABLE "<CMAKE_LINKER> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <LINK_LIBRARIES> <OBJECTS> -o <TARGET> --list <TARGET_BASE>.map")
set(CMAKE_${lang}_CREATE_STATIC_LIBRARY "<CMAKE_AR> --create -cr <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_${lang}_ARCHIVE_CREATE "<CMAKE_AR> --create -cr <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_${lang}_RESPONSE_FILE_LINK_FLAG "--via=")
set(CMAKE_${lang}_OUTPUT_EXTENSION ".o")
set(CMAKE_${lang}_OUTPUT_EXTENSION_REPLACE 1)
endmacro()
cmake_policy(POP)
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