mirror of
https://github.com/Detanup01/gbe_fork.git
synced 2024-11-28 21:54:00 +08:00
147 lines
6.3 KiB
CMake
147 lines
6.3 KiB
CMake
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if(_ARMClang_CMAKE_LOADED)
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return()
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endif()
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# This file requires CMAKE_LINKER and CMAKE_AR set by CMakeFindBinUtils.cmake.
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if(NOT (DEFINED CMAKE_LINKER AND DEFINED CMAKE_AR))
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return()
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endif()
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set(_ARMClang_CMAKE_LOADED TRUE)
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# Save the CMP0123 setting in a variable used both below and by try_compile.
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cmake_policy(GET CMP0123 CMAKE_ARMClang_CMP0123)
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cmake_policy(PUSH)
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cmake_policy(SET CMP0057 NEW) # if IN_LIST
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set(CMAKE_EXECUTABLE_SUFFIX ".elf")
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if (CMAKE_LINKER MATCHES "armlink")
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set(__CMAKE_ARMClang_USING_armlink TRUE)
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set(CMAKE_LIBRARY_PATH_FLAG "--userlibpath=")
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else()
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set(__CMAKE_ARMClang_USING_armlink FALSE)
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endif()
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# get compiler supported cpu list
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function(__armclang_set_processor_list lang out_var)
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execute_process(COMMAND "${CMAKE_${lang}_COMPILER}" --target=${CMAKE_${lang}_COMPILER_TARGET} -mcpu=list
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OUTPUT_VARIABLE processor_list
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ERROR_VARIABLE processor_list)
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string(REGEX MATCHALL "-mcpu=([^ \n]*)" processor_list "${processor_list}")
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string(REGEX REPLACE "-mcpu=" "" processor_list "${processor_list}")
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set(${out_var} "${processor_list}" PARENT_SCOPE)
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endfunction()
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# check processor is in list
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function(__armclang_check_processor processor list out_var)
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string(TOLOWER "${processor}" processor)
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if(processor IN_LIST list)
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set(${out_var} TRUE PARENT_SCOPE)
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else()
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set(${out_var} FALSE PARENT_SCOPE)
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endif()
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endfunction()
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# get compiler supported arch list
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function(__armclang_set_arch_list lang out_var)
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execute_process(COMMAND "${CMAKE_${lang}_COMPILER}" --target=${CMAKE_${lang}_COMPILER_TARGET} -march=list
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OUTPUT_VARIABLE arch_list
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ERROR_VARIABLE arch_list)
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string(REGEX MATCHALL "-march=([^ \n]*)" arch_list "${arch_list}")
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string(REGEX REPLACE "-march=" "" arch_list "${arch_list}")
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set(${out_var} "${arch_list}" PARENT_SCOPE)
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endfunction()
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# get linker supported cpu list
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function(__armlink_set_cpu_list lang out_var)
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if(__CMAKE_ARMClang_USING_armlink)
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set(__linker_wrapper_flags "")
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else()
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set(__linker_wrapper_flags --target=${CMAKE_${lang}_COMPILER_TARGET} -Xlinker)
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endif()
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execute_process(COMMAND "${CMAKE_LINKER}" ${__linker_wrapper_flags} --cpu=list
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OUTPUT_VARIABLE cpu_list
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ERROR_VARIABLE cpu_list)
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string(REGEX MATCHALL "--cpu=([^ \n]*)" cpu_list "${cpu_list}")
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string(REGEX REPLACE "--cpu=" "" cpu_list "${cpu_list}")
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set(${out_var} "${cpu_list}" PARENT_SCOPE)
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endfunction()
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macro(__compiler_armclang lang)
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if(NOT CMAKE_${lang}_COMPILER_TARGET)
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set(CMAKE_${lang}_COMPILER_TARGET arm-arm-none-eabi)
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endif()
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if(NOT CMAKE_${lang}_COMPILER_PROCESSOR_LIST)
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__armclang_set_processor_list(${lang} CMAKE_${lang}_COMPILER_PROCESSOR_LIST)
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endif()
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if(NOT CMAKE_${lang}_COMPILER_ARCH_LIST)
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__armclang_set_arch_list(${lang} CMAKE_${lang}_COMPILER_ARCH_LIST)
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endif()
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# CMAKE_SYSTEM_PROCESSOR and CMAKE_SYSTEM_ARCH are not sufficient because they provide no
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# information of additional CPU features needed in `-mcpu=<name>[+[no]<feature>+...]`.
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# The automatic setting of compile and link options is deprecated and projects should specify their own.
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cmake_policy(GET CMP0123 policy_CMP0123)
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if(NOT "x${CMAKE_ARMClang_CMP0123}x" STREQUAL "xNEWx")
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if(NOT "x${CMAKE_ARMClang_CMP0123}x" STREQUAL "xOLDx")
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cmake_policy(GET_WARNING CMP0123 _cmp0123_warning)
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message(AUTHOR_WARNING
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"${_cmp0123_warning}\n"
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"For compatibility, CMake will automatically add cpu/arch flags based "
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"on the CMAKE_SYSTEM_PROCESSOR and/or CMAKE_SYSTEM_ARCH variables."
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)
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endif()
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if(NOT CMAKE_SYSTEM_PROCESSOR AND NOT CMAKE_SYSTEM_ARCH)
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message(FATAL_ERROR " CMAKE_SYSTEM_PROCESSOR or CMAKE_SYSTEM_ARCH must be set for ARMClang\n"
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" Supported processor: ${CMAKE_${lang}_COMPILER_PROCESSOR_LIST}\n"
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" Supported Architecture: ${CMAKE_${lang}_COMPILER_ARCH_LIST}")
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else()
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__armclang_check_processor("${CMAKE_SYSTEM_ARCH}" "${CMAKE_${lang}_COMPILER_ARCH_LIST}" _CMAKE_${lang}_CHECK_ARCH_RESULT)
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if( _CMAKE_${lang}_CHECK_ARCH_RESULT)
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string(APPEND CMAKE_${lang}_FLAGS_INIT " -march=${CMAKE_SYSTEM_ARCH}")
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set(__march_flag_set TRUE)
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endif()
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__armclang_check_processor("${CMAKE_SYSTEM_PROCESSOR}" "${CMAKE_${lang}_COMPILER_PROCESSOR_LIST}" _CMAKE_${lang}_CHECK_PROCESSOR_RESULT)
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if(_CMAKE_${lang}_CHECK_PROCESSOR_RESULT)
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string(APPEND CMAKE_${lang}_FLAGS_INIT " -mcpu=${CMAKE_SYSTEM_PROCESSOR}")
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set(__mcpu_flag_set TRUE)
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endif()
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if(NOT __march_flag_set AND NOT __mcpu_flag_set)
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message(FATAL_ERROR "At least one of the variables CMAKE_SYSTEM_PROCESSOR or CMAKE_SYSTEM_ARCH must be set for ARMClang\n"
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"Supported processor: ${CMAKE_${lang}_COMPILER_PROCESSOR_LIST}\n"
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" Supported Architecture: ${CMAKE_${lang}_COMPILER_ARCH_LIST}")
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endif()
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unset(_CMAKE_${lang}_CHECK_PROCESSOR_RESULT)
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unset(_CMAKE_${lang}_CHECK_ARCH_RESULT)
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endif()
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#check if CMAKE_SYSTEM_PROCESSOR belongs to supported cpu list for armlink
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__armlink_set_cpu_list( ${lang} CMAKE_LINKER_CPU_LIST)
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list(TRANSFORM CMAKE_LINKER_CPU_LIST TOLOWER)
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__armclang_check_processor("${CMAKE_SYSTEM_PROCESSOR}" "${CMAKE_LINKER_CPU_LIST}" _CMAKE_CHECK_LINK_CPU_RESULT)
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if(_CMAKE_CHECK_LINK_CPU_RESULT)
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string(APPEND CMAKE_${lang}_LINK_FLAGS " --cpu=${CMAKE_SYSTEM_PROCESSOR}")
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endif()
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endif()
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if(__CMAKE_ARMClang_USING_armlink)
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unset(CMAKE_${lang}_LINKER_WRAPPER_FLAG)
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set(__CMAKE_ARMClang_USING_armlink_WRAPPER "")
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else()
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set(__CMAKE_ARMClang_USING_armlink_WRAPPER "-Xlinker")
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endif()
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set(CMAKE_${lang}_LINK_EXECUTABLE "<CMAKE_LINKER> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <LINK_LIBRARIES> <OBJECTS> -o <TARGET> ${__CMAKE_ARMClang_USING_armlink_WRAPPER} --list=<TARGET_BASE>.map")
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set(CMAKE_${lang}_CREATE_STATIC_LIBRARY "<CMAKE_AR> --create -cr <TARGET> <LINK_FLAGS> <OBJECTS>")
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set(CMAKE_${lang}_ARCHIVE_CREATE "<CMAKE_AR> --create -cr <TARGET> <LINK_FLAGS> <OBJECTS>")
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set(CMAKE_${lang}_RESPONSE_FILE_LINK_FLAG "${__CMAKE_ARMClang_USING_armlink_WRAPPER} --via=")
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set(CMAKE_${lang}_OUTPUT_EXTENSION ".o")
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set(CMAKE_${lang}_OUTPUT_EXTENSION_REPLACE 1)
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endmacro()
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cmake_policy(POP)
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