Files
CMake/Modules/CMakeDetermineCompilerId.cmake
Robert Maynard 9c5bd7fe3a CompilerId: Output errors from all attempts at detection
Instead of printing the output of the last attempt, print
the output of all attempts. This shows users that CMake isn't ignoring any provided flags ( LANG_FLAGS ).
2022-08-16 11:59:46 -04:00

1138 lines
49 KiB
CMake

# 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()
# For LCC Fortran we need to explicitly query the version.
if(lang STREQUAL "Fortran"
AND CMAKE_${lang}_COMPILER_ID STREQUAL "LCC")
execute_process(
COMMAND "${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 [[\(GCC\) ([0-9]+\.[0-9]+(\.[0-9]+)?) compatible]])
set(CMAKE_${lang}_SIMULATE_ID "GNU")
set(CMAKE_${lang}_SIMULATE_VERSION "${CMAKE_MATCH_1}")
endif()
endif()
if (COMPILER_QNXNTO AND (CMAKE_${lang}_COMPILER_ID STREQUAL "GNU" OR CMAKE_${lang}_COMPILER_ID STREQUAL "LCC"))
execute_process(
COMMAND "${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 "$(CLToolExe)")
elseif(CMAKE_VS_PLATFORM_TOOLSET MATCHES "v[0-9]+_clang_.*")
set(id_cl clang.exe)
elseif(CMAKE_VS_PLATFORM_TOOLSET MATCHES "Intel")
if(CMAKE_VS_PLATFORM_TOOLSET MATCHES "DPC\\+\\+ Compiler")
set(id_cl dpcpp.exe)
elseif(CMAKE_VS_PLATFORM_TOOLSET MATCHES "C\\+\\+ Compiler ([8-9]\\.|1[0-9]\\.|XE)")
set(id_cl icl.exe)
elseif(CMAKE_VS_PLATFORM_TOOLSET MATCHES "C\\+\\+ Compiler")
set(id_cl icx.exe)
endif()
else()
set(id_cl cl.exe)
endif()
if(CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android")
set(v NsightTegra)
set(ext vcxproj)
if(lang STREQUAL CXX)
set(id_gcc g++)
set(id_clang clang++)
else()
set(id_gcc gcc)
set(id_clang clang)
endif()
elseif(lang STREQUAL Fortran)
set(v Intel)
set(ext vfproj)
set(id_cl ifort.exe)
elseif(lang STREQUAL CSharp)
set(v 10)
set(ext csproj)
set(id_cl csc.exe)
elseif(NOT "${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 ${CMAKE_VS_PLATFORM_TOOLSET_CUDA}")
set(id_compile "CudaCompile")
if(CMAKE_VS_PLATFORM_NAME STREQUAL x64)
set(cuda_target "<TargetMachinePlatform>64</TargetMachinePlatform>")
endif()
set(id_ItemDefinitionGroup_entry "<CudaCompile>${cuda_target}<AdditionalOptions>%(AdditionalOptions)-v</AdditionalOptions></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 "^$|[Mm][Aa][Cc][Oo][Ss]")
set(id_code_sign_identity "-")
# When targeting macOS, use only the host architecture.
if (_CMAKE_APPLE_ARCHS_DEFAULT)
set(id_archs "ARCHS = \"${_CMAKE_APPLE_ARCHS_DEFAULT}\";")
set(id_arch_active "ONLY_ACTIVE_ARCH = NO;")
else()
set(id_archs [[ARCHS = "$(NATIVE_ARCH_ACTUAL)";]])
set(id_arch_active "ONLY_ACTIVE_ARCH = YES;")
endif()
else()
set(id_code_sign_identity "")
set(id_archs "")
set(id_arch_active "ONLY_ACTIVE_ARCH = YES;")
endif()
configure_file(${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 "${src}")
set(ghs_primary_target "${GHS_PRIMARY_TARGET}")
if ("${ghs_primary_target}" MATCHES "integrity")
set(bsp_name "macro GHS_BSP=${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.
string(APPEND _CMAKE_DETERMINE_COMPILER_ID_BUILD_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 "${MSG}")
endif()
# Some languages may know the correct/desired set of flags and want to fail right away if they don't work.
# This is currently only used by CUDA.
if(__compiler_id_require_success)
message(FATAL_ERROR "${_CMAKE_DETERMINE_COMPILER_ID_BUILD_MSG}")
else()
# Build up the outputs for compiler detection attempts so that users
# can see all set of flags tried, instead of just last
set(_CMAKE_DETERMINE_COMPILER_ID_BUILD_MSG "${_CMAKE_DETERMINE_COMPILER_ID_BUILD_MSG}" PARENT_SCOPE)
endif()
# No output files should be inspected.
set(COMPILER_${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_${lang}_COMPILER_ID)
# Read the compiler identification string from the executable file.
set(COMPILER_ID)
set(COMPILER_VERSION)
set(COMPILER_VERSION_MAJOR 0)
set(COMPILER_VERSION_MINOR 0)
set(COMPILER_VERSION_PATCH 0)
set(COMPILER_VERSION_TWEAK 0)
set(COMPILER_VERSION_INTERNAL "")
set(HAVE_COMPILER_VERSION_MAJOR 0)
set(HAVE_COMPILER_VERSION_MINOR 0)
set(HAVE_COMPILER_VERSION_PATCH 0)
set(HAVE_COMPILER_VERSION_TWEAK 0)
set(COMPILER_WRAPPER)
set(DIGIT_VALUE_1 1)
set(DIGIT_VALUE_2 10)
set(DIGIT_VALUE_3 100)
set(DIGIT_VALUE_4 1000)
set(DIGIT_VALUE_5 10000)
set(DIGIT_VALUE_6 100000)
set(DIGIT_VALUE_7 1000000)
set(DIGIT_VALUE_8 10000000)
set(PLATFORM_ID)
set(ARCHITECTURE_ID)
set(SIMULATE_ID)
set(SIMULATE_VERSION)
set(CMAKE_${lang}_COMPILER_ID_STRING_REGEX ".?I.?N.?F.?O.?:.?[A-Za-z0-9_]+\\[[^]]*\\]")
foreach(encoding "" "ENCODING;UTF-16LE" "ENCODING;UTF-16BE")
file(STRINGS "${file}" CMAKE_${lang}_COMPILER_ID_STRINGS
LIMIT_COUNT 38 ${encoding}
REGEX "${CMAKE_${lang}_COMPILER_ID_STRING_REGEX}")
if(NOT CMAKE_${lang}_COMPILER_ID_STRINGS STREQUAL "")
break()
endif()
endforeach()
# Some ADSP processors result in characters being detected as separate strings
if(CMAKE_${lang}_COMPILER_ID_STRINGS STREQUAL "")
file(STRINGS "${file}" CMAKE_${lang}_COMPILER_ID_STRINGS LENGTH_MAXIMUM 1)
string(REGEX REPLACE ";" "" CMAKE_${lang}_COMPILER_ID_STRING "${CMAKE_${lang}_COMPILER_ID_STRINGS}")
string(REGEX MATCHALL "${CMAKE_${lang}_COMPILER_ID_STRING_REGEX}"
CMAKE_${lang}_COMPILER_ID_STRINGS "${CMAKE_${lang}_COMPILER_ID_STRING}")
endif()
# With the IAR Compiler, some strings are found twice, first time as incomplete
# list like "?<Constant "INFO:compiler[IAR]">". Remove the incomplete copies.
list(FILTER CMAKE_${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()