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cmake/Modules/CMakeDetermineCompilerId.cmake

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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
macro(__determine_compiler_id_test testflags_var userflags_var)
separate_arguments(testflags UNIX_COMMAND "${${testflags_var}}")
CMAKE_DETERMINE_COMPILER_ID_BUILD("${lang}" "${testflags}" "${${userflags_var}}" "${src}")
CMAKE_DETERMINE_COMPILER_ID_MATCH_VENDOR("${lang}" "${COMPILER_${lang}_PRODUCED_OUTPUT}")
if(NOT CMAKE_${lang}_COMPILER_ID)
foreach(file ${COMPILER_${lang}_PRODUCED_FILES})
CMAKE_DETERMINE_COMPILER_ID_CHECK("${lang}" "${CMAKE_${lang}_COMPILER_ID_DIR}/${file}" "${src}")
endforeach()
endif()
endmacro()
# Function to compile a source file to identify the compiler. This is
# used internally by CMake and should not be included by user code.
# If successful, sets CMAKE_<lang>_COMPILER_ID and CMAKE_<lang>_PLATFORM_ID
function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
# Make sure the compiler arguments are clean.
string(STRIP "${CMAKE_${lang}_COMPILER_ARG1}" CMAKE_${lang}_COMPILER_ID_ARG1)
string(REGEX REPLACE " +" ";" CMAKE_${lang}_COMPILER_ID_ARG1 "${CMAKE_${lang}_COMPILER_ID_ARG1}")
# Make sure user-specified compiler flags are used.
if(CMAKE_${lang}_FLAGS)
set(CMAKE_${lang}_COMPILER_ID_FLAGS ${CMAKE_${lang}_FLAGS})
elseif(DEFINED ENV{${flagvar}})
set(CMAKE_${lang}_COMPILER_ID_FLAGS $ENV{${flagvar}})
else(CMAKE_${lang}_FLAGS_INIT)
set(CMAKE_${lang}_COMPILER_ID_FLAGS ${CMAKE_${lang}_FLAGS_INIT})
endif()
string(REPLACE " " ";" CMAKE_${lang}_COMPILER_ID_FLAGS_LIST "${CMAKE_${lang}_COMPILER_ID_FLAGS}")
# Compute the directory in which to run the test.
set(CMAKE_${lang}_COMPILER_ID_DIR ${CMAKE_PLATFORM_INFO_DIR}/CompilerId${lang})
# If we REQUIRE_SUCCESS, i.e. TEST_FLAGS_FIRST has the correct flags, we still need to
# try two combinations: with COMPILER_ID_FLAGS (from user) and without (see issue #21869).
if(CMAKE_${lang}_COMPILER_ID_REQUIRE_SUCCESS)
# If there COMPILER_ID_FLAGS is empty we can error for the first invocation.
if("${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}" STREQUAL "")
set(__compiler_id_require_success TRUE)
endif()
foreach(userflags "${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}" "")
set(testflags "${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS_FIRST}")
__determine_compiler_id_test(testflags userflags)
if(CMAKE_${lang}_COMPILER_ID)
break()
endif()
set(__compiler_id_require_success TRUE)
endforeach()
else()
# Try building with no extra flags and then try each set
# of helper flags. Stop when the compiler is identified.
foreach(userflags "${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}" "")
foreach(testflags ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS_FIRST} "" ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS})
__determine_compiler_id_test(testflags userflags)
if(CMAKE_${lang}_COMPILER_ID)
break()
endif()
endforeach()
if(CMAKE_${lang}_COMPILER_ID)
break()
endif()
endforeach()
endif()
# Check if compiler id detection gave us the compiler tool.
if(CMAKE_${lang}_COMPILER_ID_TOOL)
set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_ID_TOOL}")
set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_ID_TOOL}" PARENT_SCOPE)
elseif(NOT CMAKE_${lang}_COMPILER)
set(CMAKE_${lang}_COMPILER "CMAKE_${lang}_COMPILER-NOTFOUND" PARENT_SCOPE)
endif()
# If the compiler is still unknown, try to query its vendor.
if(CMAKE_${lang}_COMPILER AND NOT CMAKE_${lang}_COMPILER_ID)
foreach(userflags "${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}" "")
CMAKE_DETERMINE_COMPILER_ID_VENDOR(${lang} "${userflags}")
endforeach()
endif()
# If the compiler is still unknown, fallback to GHS
if(NOT CMAKE_${lang}_COMPILER_ID AND "${CMAKE_GENERATOR}" MATCHES "Green Hills MULTI")
set(CMAKE_${lang}_COMPILER_ID GHS)
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"The ${lang} compiler identification is falling back to GHS.\n\n")
endif()
# CUDA < 7.5 is missing version macros
if(lang STREQUAL "CUDA"
AND CMAKE_${lang}_COMPILER_ID STREQUAL "NVIDIA"
AND NOT CMAKE_${lang}_COMPILER_VERSION)
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
--version
OUTPUT_VARIABLE output ERROR_VARIABLE output
RESULT_VARIABLE result
TIMEOUT 10
)
if(output MATCHES [=[ V([0-9]+)\.([0-9]+)\.([0-9]+)]=])
set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}")
endif()
endif()
# For Swift we need to explicitly query the version.
if(lang STREQUAL "Swift"
AND CMAKE_${lang}_COMPILER
AND NOT CMAKE_${lang}_COMPILER_VERSION)
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
-version
OUTPUT_VARIABLE output ERROR_VARIABLE output
RESULT_VARIABLE result
TIMEOUT 10
)
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Running the ${lang} compiler: \"${CMAKE_${lang}_COMPILER}\" -version\n"
"${output}\n"
)
if(output MATCHES [[Swift version ([0-9]+\.[0-9]+(\.[0-9]+)?)]])
set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_MATCH_1}")
if(NOT CMAKE_${lang}_COMPILER_ID)
set(CMAKE_Swift_COMPILER_ID "Apple")
endif()
endif()
endif()
# For ISPC we need to explicitly query the version.
if(lang STREQUAL "ISPC"
AND CMAKE_${lang}_COMPILER
AND NOT CMAKE_${lang}_COMPILER_VERSION)
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
--version
OUTPUT_VARIABLE output ERROR_VARIABLE output
RESULT_VARIABLE result
TIMEOUT 10
)
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Running the ${lang} compiler: \"${CMAKE_${lang}_COMPILER}\" -version\n"
"${output}\n"
)
if(output MATCHES [[ISPC\), ([0-9]+\.[0-9]+(\.[0-9]+)?)]])
set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_MATCH_1}")
endif()
endif()
if (COMPILER_QNXNTO AND CMAKE_${lang}_COMPILER_ID STREQUAL "GNU")
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
-V
OUTPUT_VARIABLE output ERROR_VARIABLE output
RESULT_VARIABLE result
TIMEOUT 10
)
if (output MATCHES "targets available")
set(CMAKE_${lang}_COMPILER_ID QCC)
# http://community.qnx.com/sf/discussion/do/listPosts/projects.community/discussion.qnx_momentics_community_support.topc3555?_pagenum=2
# The qcc driver does not itself have a version.
endif()
endif()
# The Fujitsu compiler does not always convey version information through
# preprocessor symbols so we extract through command line info
if (CMAKE_${lang}_COMPILER_ID STREQUAL "Fujitsu")
if(NOT CMAKE_${lang}_COMPILER_VERSION)
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}" -V
OUTPUT_VARIABLE output
ERROR_VARIABLE output
RESULT_VARIABLE result
TIMEOUT 10
)
if (result EQUAL 0)
if (output MATCHES [[Fujitsu [^ ]* Compiler ([0-9]+\.[0-9]+\.[0-9]+)]])
set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_MATCH_1}")
endif()
endif()
endif()
endif()
# if the format is unknown after all files have been checked, put "Unknown" in the cache
if(NOT CMAKE_EXECUTABLE_FORMAT)
set(CMAKE_EXECUTABLE_FORMAT "Unknown" CACHE INTERNAL "Executable file format")
endif()
if((CMAKE_GENERATOR MATCHES "^Ninja"
OR ((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
AND CMAKE_GENERATOR MATCHES "Makefiles|WMake"))
AND MSVC_${lang}_ARCHITECTURE_ID)
foreach(userflags "${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}" "")
CMAKE_DETERMINE_MSVC_SHOWINCLUDES_PREFIX(${lang} "${userflags}")
endforeach()
else()
set(CMAKE_${lang}_CL_SHOWINCLUDES_PREFIX "")
endif()
set(_variant "")
if("x${CMAKE_${lang}_COMPILER_ID}" STREQUAL "xClang"
OR "x${CMAKE_${lang}_COMPILER_ID}" STREQUAL "xIntelLLVM")
if("x${CMAKE_${lang}_SIMULATE_ID}" STREQUAL "xMSVC")
if(CMAKE_GENERATOR MATCHES "Visual Studio")
set(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT "MSVC")
else()
# Test whether an MSVC-like command-line option works.
execute_process(COMMAND "${CMAKE_${lang}_COMPILER}" -?
RESULT_VARIABLE _clang_result
OUTPUT_VARIABLE _clang_stdout
ERROR_VARIABLE _clang_stderr)
if(_clang_result EQUAL 0)
set(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT "MSVC")
else()
set(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT "GNU")
endif()
endif()
set(_variant " with ${CMAKE_${lang}_COMPILER_FRONTEND_VARIANT}-like command-line")
else()
set(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT "GNU")
endif()
elseif("x${CMAKE_${lang}_COMPILER_ID}" STREQUAL "xFujitsuClang")
set(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT "GNU")
else()
set(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT "")
endif()
# Display the final identification result.
if(CMAKE_${lang}_COMPILER_ID)
if(CMAKE_${lang}_COMPILER_VERSION)
set(_version " ${CMAKE_${lang}_COMPILER_VERSION}")
else()
set(_version "")
endif()
if(CMAKE_${lang}_COMPILER_ARCHITECTURE_ID AND "x${CMAKE_${lang}_COMPILER_ID}" STREQUAL "xIAR")
set(_archid " ${CMAKE_${lang}_COMPILER_ARCHITECTURE_ID}")
else()
set(_archid "")
endif()
message(STATUS "The ${lang} compiler identification is "
"${CMAKE_${lang}_COMPILER_ID}${_archid}${_version}${_variant}")
unset(_archid)
unset(_version)
unset(_variant)
else()
message(STATUS "The ${lang} compiler identification is unknown")
endif()
if(lang STREQUAL "Fortran" AND CMAKE_${lang}_COMPILER_ID STREQUAL "XL")
set(CMAKE_${lang}_XL_CPP "${CMAKE_${lang}_COMPILER_ID_CPP}" PARENT_SCOPE)
endif()
set(CMAKE_${lang}_COMPILER_ID "${CMAKE_${lang}_COMPILER_ID}" PARENT_SCOPE)
set(CMAKE_${lang}_PLATFORM_ID "${CMAKE_${lang}_PLATFORM_ID}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_ARCHITECTURE_ID "${CMAKE_${lang}_COMPILER_ARCHITECTURE_ID}" PARENT_SCOPE)
set(MSVC_${lang}_ARCHITECTURE_ID "${MSVC_${lang}_ARCHITECTURE_ID}"
PARENT_SCOPE)
set(CMAKE_${lang}_XCODE_ARCHS "${CMAKE_${lang}_XCODE_ARCHS}" PARENT_SCOPE)
set(CMAKE_${lang}_CL_SHOWINCLUDES_PREFIX "${CMAKE_${lang}_CL_SHOWINCLUDES_PREFIX}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT "${CMAKE_${lang}_COMPILER_FRONTEND_VARIANT}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_${lang}_COMPILER_VERSION}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_VERSION_INTERNAL "${CMAKE_${lang}_COMPILER_VERSION_INTERNAL}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_WRAPPER "${CMAKE_${lang}_COMPILER_WRAPPER}" PARENT_SCOPE)
set(CMAKE_${lang}_SIMULATE_ID "${CMAKE_${lang}_SIMULATE_ID}" PARENT_SCOPE)
set(CMAKE_${lang}_SIMULATE_VERSION "${CMAKE_${lang}_SIMULATE_VERSION}" PARENT_SCOPE)
set(CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT "${CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT}" PARENT_SCOPE)
set(CMAKE_${lang}_EXTENSIONS_COMPUTED_DEFAULT "${CMAKE_${lang}_EXTENSIONS_COMPUTED_DEFAULT}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_PRODUCED_OUTPUT "${COMPILER_${lang}_PRODUCED_OUTPUT}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_PRODUCED_FILES "${COMPILER_${lang}_PRODUCED_FILES}" PARENT_SCOPE)
endfunction()
include(CMakeCompilerIdDetection)
#-----------------------------------------------------------------------------
# Function to write the compiler id source file.
function(CMAKE_DETERMINE_COMPILER_ID_WRITE lang src)
find_file(src_in ${src}.in PATHS ${CMAKE_ROOT}/Modules ${CMAKE_MODULE_PATH} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
file(READ ${src_in} ID_CONTENT_IN)
compiler_id_detection(CMAKE_${lang}_COMPILER_ID_CONTENT ${lang}
ID_STRING
VERSION_STRINGS
PLATFORM_DEFAULT_COMPILER
)
unset(src_in CACHE)
string(CONFIGURE "${ID_CONTENT_IN}" ID_CONTENT_OUT @ONLY)
file(WRITE ${CMAKE_${lang}_COMPILER_ID_DIR}/${src} "${ID_CONTENT_OUT}")
endfunction()
#-----------------------------------------------------------------------------
# Function to build the compiler id source file and look for output
# files.
function(CMAKE_DETERMINE_COMPILER_ID_BUILD lang testflags userflags src)
# Create a clean working directory.
file(REMOVE_RECURSE ${CMAKE_${lang}_COMPILER_ID_DIR})
file(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR})
file(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}/tmp)
CMAKE_DETERMINE_COMPILER_ID_WRITE("${lang}" "${src}")
# Construct a description of this test case.
set(COMPILER_DESCRIPTION
"Compiler: ${CMAKE_${lang}_COMPILER} ${CMAKE_${lang}_COMPILER_ID_ARG1}
Build flags: ${userflags}
Id flags: ${testflags} ${CMAKE_${lang}_COMPILER_ID_FLAGS_ALWAYS}
")
# Compile the compiler identification source.
if("${CMAKE_GENERATOR}" MATCHES "Visual Studio ([0-9]+)")
set(vs_version ${CMAKE_MATCH_1})
set(id_platform ${CMAKE_VS_PLATFORM_NAME})
set(id_lang "${lang}")
set(id_PostBuildEvent_Command "")
if(CMAKE_VS_PLATFORM_TOOLSET MATCHES "^[Ll][Ll][Vv][Mm](_v[0-9]+(_xp)?)?$")
set(id_cl_var "ClangClExecutable")
elseif(CMAKE_VS_PLATFORM_TOOLSET MATCHES "^[Cc][Ll][Aa][Nn][Gg]([Cc][Ll]$|_[0-9])")
set(id_cl "$(CLToolExe)")
elseif(CMAKE_VS_PLATFORM_TOOLSET MATCHES "v[0-9]+_clang_.*")
set(id_cl clang.exe)
# Executable names have been chosen according documentation
# URL: (https://software.intel.com/content/www/us/en/develop/documentation/get-started-with-dpcpp-compiler/top.html#top_GUID-A9B4C91D-97AC-450D-9742-9D895BC8AEE1)
elseif(CMAKE_VS_PLATFORM_TOOLSET MATCHES "Intel")
if(CMAKE_VS_PLATFORM_TOOLSET MATCHES "DPC\\+\\+ Compiler")
set(id_cl dpcpp.exe)
elseif(CMAKE_VS_PLATFORM_TOOLSET MATCHES "C\\+\\+ Compiler 2021")
set(id_cl icx.exe)
elseif(CMAKE_VS_PLATFORM_TOOLSET MATCHES "C\\+\\+ Compiler")
set(id_cl icl.exe)
endif()
else()
set(id_cl cl.exe)
endif()
if(CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android")
set(v NsightTegra)
set(ext vcxproj)
if(lang STREQUAL CXX)
set(id_gcc g++)
set(id_clang clang++)
else()
set(id_gcc gcc)
set(id_clang clang)
endif()
elseif(lang STREQUAL Fortran)
set(v Intel)
set(ext vfproj)
set(id_cl ifort.exe)
elseif(lang STREQUAL CSharp)
set(v 10)
set(ext csproj)
set(id_cl csc.exe)
elseif(NOT "${vs_version}" VERSION_LESS 10)
set(v 10)
set(ext vcxproj)
else()
set(id_version ${vs_version}.00)
set(v 7)
set(ext vcproj)
endif()
if(CMAKE_VS_PLATFORM_TOOLSET)
if(CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android")
set(id_toolset "<NdkToolchainVersion>${CMAKE_VS_PLATFORM_TOOLSET}</NdkToolchainVersion>")
else()
set(id_toolset "<PlatformToolset>${CMAKE_VS_PLATFORM_TOOLSET}</PlatformToolset>")
if(CMAKE_VS_PLATFORM_TOOLSET_VERSION)
set(id_sep "\\")
if(CMAKE_VS_PLATFORM_TOOLSET_VERSION VERSION_GREATER_EQUAL "14.20")
if(EXISTS "${CMAKE_GENERATOR_INSTANCE}/VC/Auxiliary/Build.${CMAKE_VS_PLATFORM_TOOLSET_VERSION}/Microsoft.VCToolsVersion.${CMAKE_VS_PLATFORM_TOOLSET_VERSION}.props")
set(id_sep ".")
endif()
endif()
set(id_toolset_version_props "<Import Project=\"${CMAKE_GENERATOR_INSTANCE}\\VC\\Auxiliary\\Build${id_sep}${CMAKE_VS_PLATFORM_TOOLSET_VERSION}\\Microsoft.VCToolsVersion.${CMAKE_VS_PLATFORM_TOOLSET_VERSION}.props\" />")
unset(id_sep)
endif()
endif()
else()
set(id_toolset "")
set(id_toolset_version_props "")
endif()
if(CMAKE_VS_PLATFORM_TOOLSET_HOST_ARCHITECTURE)
set(id_PreferredToolArchitecture "<PreferredToolArchitecture>${CMAKE_VS_PLATFORM_TOOLSET_HOST_ARCHITECTURE}</PreferredToolArchitecture>")
else()
set(id_PreferredToolArchitecture "")
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "WindowsPhone")
set(id_keyword "Win32Proj")
set(id_system "<ApplicationType>Windows Phone</ApplicationType>")
elseif(CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
set(id_keyword "Win32Proj")
set(id_system "<ApplicationType>Windows Store</ApplicationType>")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
set(id_keyword "Android")
set(id_system "<ApplicationType>Android</ApplicationType>")
else()
set(id_keyword "Win32Proj")
set(id_system "")
endif()
if(id_keyword STREQUAL "Android")
if(CMAKE_GENERATOR MATCHES "Visual Studio 14")
set(id_system_version "<ApplicationTypeRevision>2.0</ApplicationTypeRevision>")
elseif(CMAKE_GENERATOR MATCHES "Visual Studio 1[56]")
set(id_system_version "<ApplicationTypeRevision>3.0</ApplicationTypeRevision>")
else()
set(id_system_version "")
endif()
elseif(id_system AND CMAKE_SYSTEM_VERSION MATCHES "^([0-9]+\\.[0-9]+)")
set(id_system_version "<ApplicationTypeRevision>${CMAKE_MATCH_1}</ApplicationTypeRevision>")
else()
set(id_system_version "")
endif()
if(id_keyword STREQUAL "Android")
set(id_config_type "DynamicLibrary")
else()
set(id_config_type "Application")
endif()
if(CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION)
set(id_WindowsTargetPlatformVersion "<WindowsTargetPlatformVersion>${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}</WindowsTargetPlatformVersion>")
endif()
if(CMAKE_VS_PLATFORM_TOOLSET_VCTARGETS_CUSTOM_DIR)
set(id_ToolsetVCTargetsDir "<VCTargetsPath>${CMAKE_VS_PLATFORM_TOOLSET_VCTARGETS_CUSTOM_DIR}</VCTargetsPath>")
endif()
if(CMAKE_VS_TARGET_FRAMEWORK_VERSION)
set(id_TargetFrameworkVersion "<TargetFrameworkVersion>${CMAKE_VS_TARGET_FRAMEWORK_VERSION}</TargetFrameworkVersion>")
endif()
if(CMAKE_VS_TARGET_FRAMEWORK_IDENTIFIER)
set(id_TargetFrameworkIdentifier "<TargetFrameworkIdentifier>${CMAKE_VS_TARGET_FRAMEWORK_IDENTIFIER}</TargetFrameworkIdentifier>")
endif()
if(CMAKE_VS_TARGET_FRAMEWORK_TARGETS_VERSION)
set(id_TargetFrameworkTargetsVersion "<TargetFrameworkTargetsVersion>${CMAKE_VS_TARGET_FRAMEWORK_TARGETS_VERSION}</TargetFrameworkTargetsVersion>")
endif()
set(id_CustomGlobals "")
foreach(pair IN LISTS CMAKE_VS_GLOBALS)
if("${pair}" MATCHES "([^=]+)=(.*)$")
string(APPEND id_CustomGlobals "<${CMAKE_MATCH_1}>${CMAKE_MATCH_2}</${CMAKE_MATCH_1}>\n ")
endif()
endforeach()
if(id_keyword STREQUAL "Android")
set(id_WindowsSDKDesktopARMSupport "")
elseif(id_platform STREQUAL "ARM64")
set(id_WindowsSDKDesktopARMSupport "<WindowsSDKDesktopARM64Support>true</WindowsSDKDesktopARM64Support>")
elseif(id_platform STREQUAL "ARM")
set(id_WindowsSDKDesktopARMSupport "<WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>")
else()
set(id_WindowsSDKDesktopARMSupport "")
endif()
if(CMAKE_VS_WINCE_VERSION)
set(id_entrypoint "mainACRTStartup")
if("${vs_version}" VERSION_LESS 9)
set(id_subsystem 9)
else()
set(id_subsystem 8)
endif()
else()
set(id_subsystem 1)
endif()
set(id_dir ${CMAKE_${lang}_COMPILER_ID_DIR})
set(id_src "${src}")
set(id_compile "ClCompile")
if(id_cl_var)
set(id_PostBuildEvent_Command "echo CMAKE_${lang}_COMPILER=$(${id_cl_var})")
else()
set(id_PostBuildEvent_Command "for %%i in (${id_cl}) do %40echo CMAKE_${lang}_COMPILER=%%~$PATH:i")
endif()
set(id_Import_props "")
set(id_Import_targets "")
set(id_ItemDefinitionGroup_entry "")
set(id_Link_AdditionalDependencies "")
if(lang STREQUAL CUDA)
if(NOT CMAKE_VS_PLATFORM_TOOLSET_CUDA)
message(FATAL_ERROR "No CUDA toolset found.")
endif()
set(cuda_tools "CUDA ${CMAKE_VS_PLATFORM_TOOLSET_CUDA}")
set(id_compile "CudaCompile")
if(CMAKE_VS_PLATFORM_NAME STREQUAL x64)
set(cuda_target "<TargetMachinePlatform>64</TargetMachinePlatform>")
endif()
foreach(arch ${CMAKE_CUDA_ARCHITECTURES})
string(REGEX MATCH "[0-9]+" arch_name "${arch}")
string(APPEND cuda_codegen "compute_${arch_name},sm_${arch_name};")
endforeach()
set(id_ItemDefinitionGroup_entry "<CudaCompile>${cuda_target}<AdditionalOptions>%(AdditionalOptions)-v</AdditionalOptions><CodeGeneration>${cuda_codegen}</CodeGeneration></CudaCompile>")
set(id_PostBuildEvent_Command [[echo CMAKE_CUDA_COMPILER=$(CudaToolkitBinDir)\nvcc.exe]])
if(CMAKE_VS_PLATFORM_TOOLSET_CUDA_CUSTOM_DIR)
# check for legacy cuda custom toolkit folder structure
if(EXISTS ${CMAKE_VS_PLATFORM_TOOLSET_CUDA_CUSTOM_DIR}nvcc)
set(id_CudaToolkitCustomDir "<CudaToolkitCustomDir>${CMAKE_VS_PLATFORM_TOOLSET_CUDA_CUSTOM_DIR}nvcc</CudaToolkitCustomDir>")
else()
set(id_CudaToolkitCustomDir "<CudaToolkitCustomDir>${CMAKE_VS_PLATFORM_TOOLSET_CUDA_CUSTOM_DIR}</CudaToolkitCustomDir>")
endif()
if(EXISTS ${CMAKE_VS_PLATFORM_TOOLSET_CUDA_CUSTOM_DIR}CUDAVisualStudioIntegration)
string(CONCAT id_Import_props "<Import Project=\"${CMAKE_VS_PLATFORM_TOOLSET_CUDA_CUSTOM_DIR}CUDAVisualStudioIntegration\\extras\\visual_studio_integration\\MSBuildExtensions\\${cuda_tools}.props\" />")
string(CONCAT id_Import_targets "<Import Project=\"${CMAKE_VS_PLATFORM_TOOLSET_CUDA_CUSTOM_DIR}CUDAVisualStudioIntegration\\extras\\visual_studio_integration\\MSBuildExtensions\\${cuda_tools}.targets\" />")
else()
string(CONCAT id_Import_props "<Import Project=\"${CMAKE_VS_PLATFORM_TOOLSET_CUDA_CUSTOM_DIR}\\extras\\visual_studio_integration\\MSBuildExtensions\\${cuda_tools}.props\" />")
string(CONCAT id_Import_targets "<Import Project=\"${CMAKE_VS_PLATFORM_TOOLSET_CUDA_CUSTOM_DIR}\\extras\\visual_studio_integration\\MSBuildExtensions\\${cuda_tools}.targets\" />")
endif()
else()
string(CONCAT id_Import_props [[<Import Project="$(VCTargetsPath)\BuildCustomizations\]] "${cuda_tools}" [[.props" />]])
string(CONCAT id_Import_targets [[<Import Project="$(VCTargetsPath)\BuildCustomizations\]] "${cuda_tools}" [[.targets" />]])
endif()
if(CMAKE_CUDA_FLAGS MATCHES "(^| )-cudart +shared( |$)")
set(id_Link_AdditionalDependencies "<AdditionalDependencies>cudart.lib</AdditionalDependencies>")
else()
set(id_Link_AdditionalDependencies "<AdditionalDependencies>cudart_static.lib</AdditionalDependencies>")
endif()
endif()
configure_file(${CMAKE_ROOT}/Modules/CompilerId/VS-${v}.${ext}.in
${id_dir}/CompilerId${lang}.${ext} @ONLY)
if(CMAKE_VS_MSBUILD_COMMAND AND NOT lang STREQUAL "Fortran")
set(command "${CMAKE_VS_MSBUILD_COMMAND}" "CompilerId${lang}.${ext}"
"/p:Configuration=Debug" "/p:Platform=${id_platform}" "/p:VisualStudioVersion=${vs_version}.0"
)
elseif(CMAKE_VS_DEVENV_COMMAND)
set(command "${CMAKE_VS_DEVENV_COMMAND}" "CompilerId${lang}.${ext}" "/build" "Debug")
else()
set(command "")
endif()
if(command)
execute_process(
COMMAND ${command}
WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
)
else()
set(CMAKE_${lang}_COMPILER_ID_RESULT 1)
set(CMAKE_${lang}_COMPILER_ID_OUTPUT "VS environment not known to support ${lang}")
endif()
# Match the compiler location line printed out.
if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "CMAKE_${lang}_COMPILER=([^%\r\n]+)[\r\n]")
# Strip VS diagnostic output from the end of the line.
string(REGEX REPLACE " \\(TaskId:[0-9]*\\)$" "" _comp "${CMAKE_MATCH_1}")
if(EXISTS "${_comp}")
file(TO_CMAKE_PATH "${_comp}" _comp)
set(CMAKE_${lang}_COMPILER_ID_TOOL "${_comp}" PARENT_SCOPE)
endif()
endif()
elseif("${CMAKE_GENERATOR}" MATCHES "Xcode")
set(id_lang "${lang}")
set(id_type ${CMAKE_${lang}_COMPILER_XCODE_TYPE})
set(id_dir ${CMAKE_${lang}_COMPILER_ID_DIR})
set(id_src "${src}")
if(CMAKE_XCODE_PLATFORM_TOOLSET)
set(id_toolset "GCC_VERSION = ${CMAKE_XCODE_PLATFORM_TOOLSET};")
else()
set(id_toolset "")
endif()
set(id_lang_version "")
if("x${lang}" STREQUAL "xSwift")
if(CMAKE_Swift_LANGUAGE_VERSION)
set(id_lang_version "SWIFT_VERSION = ${CMAKE_Swift_LANGUAGE_VERSION};")
elseif(XCODE_VERSION VERSION_GREATER_EQUAL 10.2)
set(id_lang_version "SWIFT_VERSION = 4.0;")
elseif(XCODE_VERSION VERSION_GREATER_EQUAL 8.3)
set(id_lang_version "SWIFT_VERSION = 3.0;")
else()
set(id_lang_version "SWIFT_VERSION = 2.3;")
endif()
elseif("x${lang}" STREQUAL "xC" OR "x${lang}" STREQUAL "xOBJC")
if(CMAKE_${lang}_COMPILER_ID_FLAGS MATCHES "(^| )(-std=[^ ]+)( |$)")
set(id_lang_version "OTHER_CFLAGS = \"${CMAKE_MATCH_2}\";")
endif()
elseif("x${lang}" STREQUAL "xCXX" OR "x${lang}" STREQUAL "xOBJCXX")
if(CMAKE_${lang}_COMPILER_ID_FLAGS MATCHES "(^| )(-std=[^ ]+)( |$)")
set(id_lang_version "OTHER_CPLUSPLUSFLAGS = \"${CMAKE_MATCH_2}\";")
endif()
endif()
if(CMAKE_OSX_DEPLOYMENT_TARGET)
set(id_deployment_target
"MACOSX_DEPLOYMENT_TARGET = \"${CMAKE_OSX_DEPLOYMENT_TARGET}\";")
else()
set(id_deployment_target "")
endif()
set(id_product_type "com.apple.product-type.tool")
if(CMAKE_OSX_SYSROOT)
set(id_sdkroot "SDKROOT = \"${CMAKE_OSX_SYSROOT}\";")
if(CMAKE_OSX_SYSROOT MATCHES "(^|/)[Ii][Pp][Hh][Oo][Nn][Ee]" OR
CMAKE_OSX_SYSROOT MATCHES "(^|/)[Aa][Pp][Pp][Ll][Ee][Tt][Vv]")
set(id_product_type "com.apple.product-type.bundle.unit-test")
elseif(CMAKE_OSX_SYSROOT MATCHES "(^|/)[Ww][Aa][Tt][Cc][Hh]")
set(id_product_type "com.apple.product-type.framework")
endif()
else()
set(id_sdkroot "")
endif()
set(id_clang_cxx_library "")
set(stdlib_regex "(^| )(-stdlib=)([^ ]+)( |$)")
string(REGEX MATCHALL "${stdlib_regex}" all_stdlib_matches "${CMAKE_CXX_FLAGS}")
if(all_stdlib_matches)
list(GET all_stdlib_matches "-1" last_stdlib_match)
if(last_stdlib_match MATCHES "${stdlib_regex}")
set(id_clang_cxx_library "CLANG_CXX_LIBRARY = \"${CMAKE_MATCH_3}\";")
endif()
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_OSX_SYSROOT MATCHES "^$|[Mm][Aa][Cc][Oo][Ss]")
# When targeting macOS, use only the host architecture.
if (_CMAKE_APPLE_ARCHS_DEFAULT)
set(id_archs "ARCHS = \"${_CMAKE_APPLE_ARCHS_DEFAULT}\";")
set(id_arch_active "ONLY_ACTIVE_ARCH = NO;")
else()
set(id_archs [[ARCHS = "$(NATIVE_ARCH_ACTUAL)";]])
set(id_arch_active "ONLY_ACTIVE_ARCH = YES;")
endif()
else()
set(id_archs "")
set(id_arch_active "ONLY_ACTIVE_ARCH = YES;")
endif()
configure_file(${CMAKE_ROOT}/Modules/CompilerId/Xcode-3.pbxproj.in
${id_dir}/CompilerId${lang}.xcodeproj/project.pbxproj @ONLY)
unset(_ENV_MACOSX_DEPLOYMENT_TARGET)
if(DEFINED ENV{MACOSX_DEPLOYMENT_TARGET})
set(_ENV_MACOSX_DEPLOYMENT_TARGET "$ENV{MACOSX_DEPLOYMENT_TARGET}")
set(ENV{MACOSX_DEPLOYMENT_TARGET} "")
endif()
execute_process(COMMAND xcodebuild
WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
)
if(DEFINED _ENV_MACOSX_DEPLOYMENT_TARGET)
set(ENV{MACOSX_DEPLOYMENT_TARGET} "${_ENV_MACOSX_DEPLOYMENT_TARGET}")
endif()
if(DEFINED CMAKE_${lang}_COMPILER_ID_TOOL_MATCH_REGEX)
if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "${CMAKE_${lang}_COMPILER_ID_TOOL_MATCH_REGEX}")
set(_comp "${CMAKE_MATCH_${CMAKE_${lang}_COMPILER_ID_TOOL_MATCH_INDEX}}")
if(EXISTS "${_comp}")
set(CMAKE_${lang}_COMPILER_ID_TOOL "${_comp}" PARENT_SCOPE)
endif()
endif()
endif()
if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "ARCHS=([^%\r\n]+)[\r\n]")
set(CMAKE_${lang}_XCODE_ARCHS "${CMAKE_MATCH_1}")
separate_arguments(CMAKE_${lang}_XCODE_ARCHS)
set(CMAKE_${lang}_XCODE_ARCHS "${CMAKE_${lang}_XCODE_ARCHS}" PARENT_SCOPE)
endif()
elseif("${CMAKE_GENERATOR}" MATCHES "Green Hills MULTI")
set(id_dir ${CMAKE_${lang}_COMPILER_ID_DIR})
set(id_src "${src}")
if (GHS_PRIMARY_TARGET)
set(ghs_primary_target "${GHS_PRIMARY_TARGET}")
else()
set(ghs_primary_target "${CMAKE_GENERATOR_PLATFORM}_${GHS_TARGET_PLATFORM}.tgt")
endif()
if ("${GHS_TARGET_PLATFORM}" MATCHES "integrity")
set(bsp_name "macro GHS_BSP=${GHS_BSP_NAME}")
set(os_dir "macro GHS_OS=${GHS_OS_DIR}")
endif()
set(command "${CMAKE_MAKE_PROGRAM}" "-commands" "-top" "GHS_default.gpj")
configure_file(${CMAKE_ROOT}/Modules/CompilerId/GHS_default.gpj.in
${id_dir}/GHS_default.gpj @ONLY)
configure_file(${CMAKE_ROOT}/Modules/CompilerId/GHS_lib.gpj.in
${id_dir}/GHS_lib.gpj @ONLY)
execute_process(COMMAND ${command}
WORKING_DIRECTORY ${id_dir}
OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
)
# Match the compiler location line printed out.
set(ghs_toolpath "${CMAKE_MAKE_PROGRAM}")
if(CMAKE_HOST_UNIX)
string(REPLACE "/gbuild" "/" ghs_toolpath ${ghs_toolpath})
else()
string(REPLACE "/gbuild.exe" "/" ghs_toolpath ${ghs_toolpath})
string(REPLACE / "\\\\" ghs_toolpath ${ghs_toolpath})
endif()
if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "(${ghs_toolpath}[^ ]*)")
if(CMAKE_HOST_UNIX)
set(_comp "${CMAKE_MATCH_1}")
else()
set(_comp "${CMAKE_MATCH_1}.exe")
endif()
if(EXISTS "${_comp}")
file(TO_CMAKE_PATH "${_comp}" _comp)
set(CMAKE_${lang}_COMPILER_ID_TOOL "${_comp}" PARENT_SCOPE)
endif()
endif()
else()
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
${CMAKE_${lang}_COMPILER_ID_ARG1}
${userflags}
${testflags}
${CMAKE_${lang}_COMPILER_ID_FLAGS_ALWAYS}
"${src}"
WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
)
if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "exec: [^\n]*\\((/[^,\n]*/cpp),CMakeFortranCompilerId.F")
set(_cpp "${CMAKE_MATCH_1}")
if(EXISTS "${_cpp}")
set(CMAKE_${lang}_COMPILER_ID_CPP "${_cpp}" PARENT_SCOPE)
endif()
endif()
endif()
# Check the result of compilation.
if(CMAKE_${lang}_COMPILER_ID_RESULT
# Intel Fortran warns and ignores preprocessor lines without /fpp
OR CMAKE_${lang}_COMPILER_ID_OUTPUT MATCHES "warning #5117: Bad # preprocessor line"
)
# Compilation failed.
set(MSG
"Compiling the ${lang} compiler identification source file \"${src}\" failed.
${COMPILER_DESCRIPTION}
The output was:
${CMAKE_${lang}_COMPILER_ID_RESULT}
${CMAKE_${lang}_COMPILER_ID_OUTPUT}
")
# Log the output unless we recognize it as a known-bad case.
if(NOT CMAKE_${lang}_COMPILER_ID_OUTPUT MATCHES "warning #5117: Bad # preprocessor line")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "${MSG}")
endif()
# Some languages may know the correct/desired set of flags and want to fail right away if they don't work.
# This is currently only used by CUDA.
if(__compiler_id_require_success)
message(FATAL_ERROR "${MSG}")
endif()
# No output files should be inspected.
set(COMPILER_${lang}_PRODUCED_FILES)
set(COMPILER_${lang}_PRODUCED_OUTPUT)
else()
# Compilation succeeded.
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Compiling the ${lang} compiler identification source file \"${src}\" succeeded.
${COMPILER_DESCRIPTION}
The output was:
${CMAKE_${lang}_COMPILER_ID_RESULT}
${CMAKE_${lang}_COMPILER_ID_OUTPUT}
")
# Find the executable produced by the compiler, try all files in the
# binary dir.
string(REGEX REPLACE "([][])" "[\\1]" _glob_id_dir "${CMAKE_${lang}_COMPILER_ID_DIR}")
file(GLOB files
RELATIVE ${CMAKE_${lang}_COMPILER_ID_DIR}
# normal case
${_glob_id_dir}/*
# com.apple.package-type.bundle.unit-test
${_glob_id_dir}/*.xctest/*
# com.apple.product-type.framework
${_glob_id_dir}/*.framework/*
)
list(REMOVE_ITEM files "${src}")
set(COMPILER_${lang}_PRODUCED_FILES "")
foreach(file ${files})
if(NOT IS_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}/${file})
list(APPEND COMPILER_${lang}_PRODUCED_FILES ${file})
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Compilation of the ${lang} compiler identification source \""
"${src}\" produced \"${file}\"\n\n")
endif()
endforeach()
if(NOT COMPILER_${lang}_PRODUCED_FILES)
# No executable was found.
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Compilation of the ${lang} compiler identification source \""
"${src}\" did not produce an executable in \""
"${CMAKE_${lang}_COMPILER_ID_DIR}\".\n\n")
endif()
set(COMPILER_${lang}_PRODUCED_OUTPUT "${CMAKE_${lang}_COMPILER_ID_OUTPUT}")
endif()
# Return the files produced by the compilation.
set(COMPILER_${lang}_PRODUCED_FILES "${COMPILER_${lang}_PRODUCED_FILES}" PARENT_SCOPE)
set(COMPILER_${lang}_PRODUCED_OUTPUT "${COMPILER_${lang}_PRODUCED_OUTPUT}" PARENT_SCOPE)
endfunction()
#-----------------------------------------------------------------------------
# Function to extract the compiler id from compiler output.
function(CMAKE_DETERMINE_COMPILER_ID_MATCH_VENDOR lang output)
foreach(vendor ${CMAKE_${lang}_COMPILER_ID_MATCH_VENDORS})
if(output MATCHES "${CMAKE_${lang}_COMPILER_ID_MATCH_VENDOR_REGEX_${vendor}}")
set(CMAKE_${lang}_COMPILER_ID "${vendor}")
endif()
endforeach()
set(CMAKE_${lang}_COMPILER_ID "${CMAKE_${lang}_COMPILER_ID}" PARENT_SCOPE)
endfunction()
#-----------------------------------------------------------------------------
# Function to extract the compiler id from an executable.
function(CMAKE_DETERMINE_COMPILER_ID_CHECK lang file)
# Look for a compiler id if not yet known.
if(NOT CMAKE_${lang}_COMPILER_ID)
# Read the compiler identification string from the executable file.
set(COMPILER_ID)
set(COMPILER_VERSION)
set(COMPILER_VERSION_MAJOR 0)
set(COMPILER_VERSION_MINOR 0)
set(COMPILER_VERSION_PATCH 0)
set(COMPILER_VERSION_TWEAK 0)
set(COMPILER_VERSION_INTERNAL "")
set(HAVE_COMPILER_VERSION_MAJOR 0)
set(HAVE_COMPILER_VERSION_MINOR 0)
set(HAVE_COMPILER_VERSION_PATCH 0)
set(HAVE_COMPILER_VERSION_TWEAK 0)
set(COMPILER_WRAPPER)
set(DIGIT_VALUE_1 1)
set(DIGIT_VALUE_2 10)
set(DIGIT_VALUE_3 100)
set(DIGIT_VALUE_4 1000)
set(DIGIT_VALUE_5 10000)
set(DIGIT_VALUE_6 100000)
set(DIGIT_VALUE_7 1000000)
set(DIGIT_VALUE_8 10000000)
set(PLATFORM_ID)
set(ARCHITECTURE_ID)
set(SIMULATE_ID)
set(SIMULATE_VERSION)
foreach(encoding "" "ENCODING;UTF-16LE" "ENCODING;UTF-16BE")
file(STRINGS "${file}" CMAKE_${lang}_COMPILER_ID_STRINGS
LIMIT_COUNT 38 ${encoding}
REGEX ".?I.?N.?F.?O.?:.?[A-Za-z0-9_]+\\[[^]]*\\]")
if(NOT CMAKE_${lang}_COMPILER_ID_STRINGS STREQUAL "")
break()
endif()
endforeach()
# With the IAR Compiler, some strings are found twice, first time as incomplete
# list like "?<Constant "INFO:compiler[IAR]">". Remove the incomplete copies.
list(FILTER CMAKE_${lang}_COMPILER_ID_STRINGS EXCLUDE REGEX "\\?<Constant \\\"")
# The IAR-AVR compiler uses a binary format that places a '6'
# character (0x34) before each character in the string. Strip
# out these characters without removing any legitimate characters.
if(CMAKE_${lang}_COMPILER_ID_STRINGS MATCHES "(.)I.N.F.O.:.")
string(REGEX REPLACE "${CMAKE_MATCH_1}([^;])" "\\1"
CMAKE_${lang}_COMPILER_ID_STRINGS "${CMAKE_${lang}_COMPILER_ID_STRINGS}")
endif()
# Remove arbitrary text that may appear before or after each INFO string.
string(REGEX MATCHALL "INFO:[A-Za-z0-9_]+\\[([^]\"]*)\\]"
CMAKE_${lang}_COMPILER_ID_STRINGS "${CMAKE_${lang}_COMPILER_ID_STRINGS}")
# In C# binaries, some strings are found more than once.
list(REMOVE_DUPLICATES CMAKE_${lang}_COMPILER_ID_STRINGS)
set(COMPILER_ID_TWICE)
foreach(info ${CMAKE_${lang}_COMPILER_ID_STRINGS})
if("${info}" MATCHES "INFO:compiler\\[([^]\"]*)\\]")
if(COMPILER_ID)
set(COMPILER_ID_TWICE 1)
endif()
set(COMPILER_ID "${CMAKE_MATCH_1}")
endif()
if("${info}" MATCHES "INFO:platform\\[([^]\"]*)\\]")
set(PLATFORM_ID "${CMAKE_MATCH_1}")
endif()
if("${info}" MATCHES "INFO:arch\\[([^]\"]*)\\]")
set(ARCHITECTURE_ID "${CMAKE_MATCH_1}")
endif()
if("${info}" MATCHES "INFO:compiler_version\\[([^]\"]*)\\]")
string(REGEX REPLACE "^0+([0-9]+)" "\\1" COMPILER_VERSION "${CMAKE_MATCH_1}")
string(REGEX REPLACE "\\.0+([0-9])" ".\\1" COMPILER_VERSION "${COMPILER_VERSION}")
endif()
if("${info}" MATCHES "INFO:compiler_version_internal\\[([^]\"]*)\\]")
set(COMPILER_VERSION_INTERNAL "${CMAKE_MATCH_1}")
string(REGEX REPLACE "^0+([0-9]+)" "\\1" COMPILER_VERSION_INTERNAL "${COMPILER_VERSION_INTERNAL}")
string(REGEX REPLACE "\\.0+([0-9]+)" ".\\1" COMPILER_VERSION_INTERNAL "${COMPILER_VERSION_INTERNAL}")
string(STRIP "${COMPILER_VERSION_INTERNAL}" COMPILER_VERSION_INTERNAL)
endif()
foreach(comp MAJOR MINOR PATCH TWEAK)
foreach(digit 1 2 3 4 5 6 7 8 9)
if("${info}" MATCHES "INFO:compiler_version_${comp}_digit_${digit}\\[([0-9])\\]")
set(value ${CMAKE_MATCH_1})
math(EXPR COMPILER_VERSION_${comp} "${COMPILER_VERSION_${comp}} + ${value} * ${DIGIT_VALUE_${digit}}")
set(HAVE_COMPILER_VERSION_${comp} 1)
endif()
endforeach()
endforeach()
if("${info}" MATCHES "INFO:compiler_wrapper\\[([^]\"]*)\\]")
set(COMPILER_WRAPPER "${CMAKE_MATCH_1}")
endif()
if("${info}" MATCHES "INFO:simulate\\[([^]\"]*)\\]")
set(SIMULATE_ID "${CMAKE_MATCH_1}")
endif()
if("${info}" MATCHES "INFO:simulate_version\\[([^]\"]*)\\]")
string(REGEX REPLACE "^0+([0-9])" "\\1" SIMULATE_VERSION "${CMAKE_MATCH_1}")
string(REGEX REPLACE "\\.0+([0-9])" ".\\1" SIMULATE_VERSION "${SIMULATE_VERSION}")
endif()
if("${info}" MATCHES "INFO:qnxnto\\[\\]")
set(COMPILER_QNXNTO 1)
endif()
if("${info}" MATCHES "INFO:standard_default\\[([^]\"]*)\\]")
set(CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT "${CMAKE_MATCH_1}")
endif()
if("${info}" MATCHES "INFO:extensions_default\\[([^]\"]*)\\]")
set(CMAKE_${lang}_EXTENSIONS_COMPUTED_DEFAULT "${CMAKE_MATCH_1}")
endif()
endforeach()
# Construct compiler version from components if needed.
if(NOT DEFINED COMPILER_VERSION AND HAVE_COMPILER_VERSION_MAJOR)
set(COMPILER_VERSION "${COMPILER_VERSION_MAJOR}")
if(HAVE_COMPILER_VERSION_MINOR)
string(APPEND COMPILER_VERSION ".${COMPILER_VERSION_MINOR}")
if(HAVE_COMPILER_VERSION_PATCH)
string(APPEND COMPILER_VERSION ".${COMPILER_VERSION_PATCH}")
if(HAVE_COMPILER_VERSION_TWEAK)
string(APPEND COMPILER_VERSION ".${COMPILER_VERSION_TWEAK}")
endif()
endif()
endif()
endif()
# Detect the exact architecture from the PE header.
if(WIN32)
# The offset to the PE signature is stored at 0x3c.
file(READ ${file} peoffsethex LIMIT 1 OFFSET 60 HEX)
if(NOT peoffsethex STREQUAL "")
string(SUBSTRING "${peoffsethex}" 0 1 peoffsethex1)
string(SUBSTRING "${peoffsethex}" 1 1 peoffsethex2)
set(peoffsetexpression "${peoffsethex1} * 16 + ${peoffsethex2}")
string(REPLACE "a" "10" peoffsetexpression "${peoffsetexpression}")
string(REPLACE "b" "11" peoffsetexpression "${peoffsetexpression}")
string(REPLACE "c" "12" peoffsetexpression "${peoffsetexpression}")
string(REPLACE "d" "13" peoffsetexpression "${peoffsetexpression}")
string(REPLACE "e" "14" peoffsetexpression "${peoffsetexpression}")
string(REPLACE "f" "15" peoffsetexpression "${peoffsetexpression}")
math(EXPR peoffset "${peoffsetexpression}")
file(READ ${file} peheader LIMIT 6 OFFSET ${peoffset} HEX)
if(peheader STREQUAL "50450000a201")
set(ARCHITECTURE_ID "SH3")
elseif(peheader STREQUAL "50450000a301")
set(ARCHITECTURE_ID "SH3DSP")
elseif(peheader STREQUAL "50450000a601")
set(ARCHITECTURE_ID "SH4")
elseif(peheader STREQUAL "50450000a801")
set(ARCHITECTURE_ID "SH5")
endif()
endif()
endif()
# Check if a valid compiler and platform were found.
if(COMPILER_ID AND NOT COMPILER_ID_TWICE)
set(CMAKE_${lang}_COMPILER_ID "${COMPILER_ID}")
set(CMAKE_${lang}_PLATFORM_ID "${PLATFORM_ID}")
set(CMAKE_${lang}_COMPILER_ARCHITECTURE_ID "${ARCHITECTURE_ID}")
set(MSVC_${lang}_ARCHITECTURE_ID "${ARCHITECTURE_ID}")
set(CMAKE_${lang}_COMPILER_VERSION "${COMPILER_VERSION}")
set(CMAKE_${lang}_COMPILER_VERSION_INTERNAL "${COMPILER_VERSION_INTERNAL}")
set(CMAKE_${lang}_SIMULATE_ID "${SIMULATE_ID}")
set(CMAKE_${lang}_SIMULATE_VERSION "${SIMULATE_VERSION}")
endif()
# Check the compiler identification string.
if(CMAKE_${lang}_COMPILER_ID)
# The compiler identification was found.
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"The ${lang} compiler identification is ${CMAKE_${lang}_COMPILER_ID}, found in \""
"${file}\"\n\n")
else()
# The compiler identification could not be found.
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"The ${lang} compiler identification could not be found in \""
"${file}\"\n\n")
endif()
endif()
# try to figure out the executable format: ELF, COFF, Mach-O
if(NOT CMAKE_EXECUTABLE_FORMAT)
file(READ ${file} CMAKE_EXECUTABLE_MAGIC LIMIT 4 HEX)
# ELF files start with 0x7f"ELF"
if("${CMAKE_EXECUTABLE_MAGIC}" STREQUAL "7f454c46")
set(CMAKE_EXECUTABLE_FORMAT "ELF" CACHE INTERNAL "Executable file format")
endif()
# # COFF (.exe) files start with "MZ"
# if("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "4d5a....")
# set(CMAKE_EXECUTABLE_FORMAT "COFF" CACHE INTERNAL "Executable file format")
# endif()
#
# Mach-O files start with MH_MAGIC or MH_CIGAM
if("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "feedface|cefaedfe|feedfacf|cffaedfe")
set(CMAKE_EXECUTABLE_FORMAT "MACHO" CACHE INTERNAL "Executable file format")
endif()
# XCOFF files start with 0x01 followed by 0xDF (32-bit) or 0xF7 (64-bit).
if("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "^01(df|f7)")
set(CMAKE_EXECUTABLE_FORMAT "XCOFF" CACHE INTERNAL "Executable file format")
endif()
endif()
# Return the information extracted.
set(CMAKE_${lang}_COMPILER_ID "${CMAKE_${lang}_COMPILER_ID}" PARENT_SCOPE)
set(CMAKE_${lang}_PLATFORM_ID "${CMAKE_${lang}_PLATFORM_ID}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_ARCHITECTURE_ID "${CMAKE_${lang}_COMPILER_ARCHITECTURE_ID}" PARENT_SCOPE)
set(MSVC_${lang}_ARCHITECTURE_ID "${MSVC_${lang}_ARCHITECTURE_ID}"
PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_${lang}_COMPILER_VERSION}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_VERSION_INTERNAL "${CMAKE_${lang}_COMPILER_VERSION_INTERNAL}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_WRAPPER "${COMPILER_WRAPPER}" PARENT_SCOPE)
set(CMAKE_${lang}_SIMULATE_ID "${CMAKE_${lang}_SIMULATE_ID}" PARENT_SCOPE)
set(CMAKE_${lang}_SIMULATE_VERSION "${CMAKE_${lang}_SIMULATE_VERSION}" PARENT_SCOPE)
set(COMPILER_QNXNTO "${COMPILER_QNXNTO}" PARENT_SCOPE)
set(CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT "${CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT}" PARENT_SCOPE)
set(CMAKE_${lang}_EXTENSIONS_COMPUTED_DEFAULT "${CMAKE_${lang}_EXTENSIONS_COMPUTED_DEFAULT}" PARENT_SCOPE)
endfunction()
#-----------------------------------------------------------------------------
# Function to query the compiler vendor.
# This uses a table with entries of the form
# list(APPEND CMAKE_${lang}_COMPILER_ID_VENDORS ${vendor})
# set(CMAKE_${lang}_COMPILER_ID_VENDOR_FLAGS_${vendor} -some-vendor-flag)
# set(CMAKE_${lang}_COMPILER_ID_VENDOR_REGEX_${vendor} "Some Vendor Output")
# We try running the compiler with the flag for each vendor and
# matching its regular expression in the output.
function(CMAKE_DETERMINE_COMPILER_ID_VENDOR lang userflags)
if(NOT CMAKE_${lang}_COMPILER_ID_DIR)
# We get here when this function is called not from within CMAKE_DETERMINE_COMPILER_ID()
# This is done e.g. for detecting the compiler ID for assemblers.
# Compute the directory in which to run the test and Create a clean working directory.
set(CMAKE_${lang}_COMPILER_ID_DIR ${CMAKE_PLATFORM_INFO_DIR}/CompilerId${lang})
file(REMOVE_RECURSE ${CMAKE_${lang}_COMPILER_ID_DIR})
file(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR})
endif()
# Save the current LC_ALL, LC_MESSAGES, and LANG environment variables
# and set them to "C" so we get the expected output to match.
set(_orig_lc_all $ENV{LC_ALL})
set(_orig_lc_messages $ENV{LC_MESSAGES})
set(_orig_lang $ENV{LANG})
set(ENV{LC_ALL} C)
set(ENV{LC_MESSAGES} C)
set(ENV{LANG} C)
foreach(vendor ${CMAKE_${lang}_COMPILER_ID_VENDORS})
set(flags ${CMAKE_${lang}_COMPILER_ID_VENDOR_FLAGS_${vendor}})
set(regex ${CMAKE_${lang}_COMPILER_ID_VENDOR_REGEX_${vendor}})
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
${CMAKE_${lang}_COMPILER_ID_ARG1}
${userflags}
${flags}
WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
OUTPUT_VARIABLE output ERROR_VARIABLE output
RESULT_VARIABLE result
TIMEOUT 10
)
if("${output}" MATCHES "${regex}")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Checking whether the ${lang} compiler is ${vendor} using \"${flags}\" "
"matched \"${regex}\":\n${output}")
set(CMAKE_${lang}_COMPILER_ID "${vendor}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_ID_OUTPUT "${output}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_ID_VENDOR_MATCH "${CMAKE_MATCH_1}" PARENT_SCOPE)
break()
else()
if("${result}" MATCHES "timeout")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Checking whether the ${lang} compiler is ${vendor} using \"${flags}\" "
"terminated after 10 s due to timeout.")
else()
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Checking whether the ${lang} compiler is ${vendor} using \"${flags}\" "
"did not match \"${regex}\":\n${output}")
endif()
endif()
endforeach()
# Restore original LC_ALL, LC_MESSAGES, and LANG
set(ENV{LC_ALL} ${_orig_lc_all})
set(ENV{LC_MESSAGES} ${_orig_lc_messages})
set(ENV{LANG} ${_orig_lang})
endfunction()
function(CMAKE_DETERMINE_MSVC_SHOWINCLUDES_PREFIX lang userflags)
# Run this MSVC-compatible compiler to detect what the /showIncludes
# option displays. We can use a C source even with the C++ compiler
# because MSVC-compatible compilers handle both and show the same output.
set(showdir ${CMAKE_BINARY_DIR}/CMakeFiles/ShowIncludes)
file(WRITE ${showdir}/foo.h "\n")
file(WRITE ${showdir}/main.c "#include \"foo.h\" \nint main(){}\n")
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
${CMAKE_${lang}_COMPILER_ID_ARG1}
${userflags}
/nologo /showIncludes /c main.c
WORKING_DIRECTORY ${showdir}
OUTPUT_VARIABLE out
ERROR_VARIABLE err
RESULT_VARIABLE res
ENCODING AUTO # cl prints in current code page
)
if(res EQUAL 0 AND "${out}" MATCHES "(^|\n)([^:\n]*:[^:\n]*:[ \t]*)")
set(CMAKE_${lang}_CL_SHOWINCLUDES_PREFIX "${CMAKE_MATCH_2}" PARENT_SCOPE)
else()
set(CMAKE_${lang}_CL_SHOWINCLUDES_PREFIX "" PARENT_SCOPE)
endif()
endfunction()
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