673 lines
27 KiB
CMake
673 lines
27 KiB
CMake
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#=============================================================================
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# Copyright 2007-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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# Function to compile a source file to identify the compiler. This is
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# used internally by CMake and should not be included by user code.
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# If successful, sets CMAKE_<lang>_COMPILER_ID and CMAKE_<lang>_PLATFORM_ID
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function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
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# Make sure the compiler arguments are clean.
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string(STRIP "${CMAKE_${lang}_COMPILER_ARG1}" CMAKE_${lang}_COMPILER_ID_ARG1)
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string(REGEX REPLACE " +" ";" CMAKE_${lang}_COMPILER_ID_ARG1 "${CMAKE_${lang}_COMPILER_ID_ARG1}")
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# Make sure user-specified compiler flags are used.
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if(CMAKE_${lang}_FLAGS)
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set(CMAKE_${lang}_COMPILER_ID_FLAGS ${CMAKE_${lang}_FLAGS})
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else()
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set(CMAKE_${lang}_COMPILER_ID_FLAGS $ENV{${flagvar}})
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endif()
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string(REPLACE " " ";" CMAKE_${lang}_COMPILER_ID_FLAGS_LIST "${CMAKE_${lang}_COMPILER_ID_FLAGS}")
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# Compute the directory in which to run the test.
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set(CMAKE_${lang}_COMPILER_ID_DIR ${CMAKE_PLATFORM_INFO_DIR}/CompilerId${lang})
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# Try building with no extra flags and then try each set
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# of helper flags. Stop when the compiler is identified.
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foreach(flags ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS_FIRST}
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""
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${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS})
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CMAKE_DETERMINE_COMPILER_ID_BUILD("${lang}" "${flags}" "${src}")
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CMAKE_DETERMINE_COMPILER_ID_MATCH_VENDOR("${lang}" "${COMPILER_${lang}_PRODUCED_OUTPUT}")
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if(CMAKE_${lang}_COMPILER_ID)
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break()
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endif()
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foreach(file ${COMPILER_${lang}_PRODUCED_FILES})
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CMAKE_DETERMINE_COMPILER_ID_CHECK("${lang}" "${CMAKE_${lang}_COMPILER_ID_DIR}/${file}" "${src}")
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endforeach()
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if(CMAKE_${lang}_COMPILER_ID)
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break()
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endif()
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endforeach()
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# If the compiler is still unknown, try to query its vendor.
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if(CMAKE_${lang}_COMPILER AND NOT CMAKE_${lang}_COMPILER_ID)
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CMAKE_DETERMINE_COMPILER_ID_VENDOR(${lang})
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endif()
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if (COMPILER_QNXNTO AND CMAKE_${lang}_COMPILER_ID STREQUAL "GNU")
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execute_process(
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COMMAND "${CMAKE_${lang}_COMPILER}"
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-V
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OUTPUT_VARIABLE output ERROR_VARIABLE output
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RESULT_VARIABLE result
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TIMEOUT 10
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)
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if (output MATCHES "targets available")
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set(CMAKE_${lang}_COMPILER_ID QCC)
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# http://community.qnx.com/sf/discussion/do/listPosts/projects.community/discussion.qnx_momentics_community_support.topc3555?_pagenum=2
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# The qcc driver does not itself have a version.
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endif()
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endif()
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# if the format is unknown after all files have been checked, put "Unknown" in the cache
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if(NOT CMAKE_EXECUTABLE_FORMAT)
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set(CMAKE_EXECUTABLE_FORMAT "Unknown" CACHE INTERNAL "Executable file format")
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endif()
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if(CMAKE_GENERATOR STREQUAL "Ninja" AND MSVC_${lang}_ARCHITECTURE_ID)
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CMAKE_DETERMINE_MSVC_SHOWINCLUDES_PREFIX(${lang})
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else()
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set(CMAKE_${lang}_CL_SHOWINCLUDES_PREFIX "")
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endif()
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# Display the final identification result.
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if(CMAKE_${lang}_COMPILER_ID)
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if(CMAKE_${lang}_COMPILER_VERSION)
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set(_version " ${CMAKE_${lang}_COMPILER_VERSION}")
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else()
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set(_version "")
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endif()
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message(STATUS "The ${lang} compiler identification is "
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"${CMAKE_${lang}_COMPILER_ID}${_version}")
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else()
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message(STATUS "The ${lang} compiler identification is unknown")
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endif()
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# Check if compiler id detection gave us the compiler tool.
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if(CMAKE_${lang}_COMPILER_ID_TOOL)
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set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_ID_TOOL}" PARENT_SCOPE)
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elseif(NOT CMAKE_${lang}_COMPILER)
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set(CMAKE_${lang}_COMPILER "CMAKE_${lang}_COMPILER-NOTFOUND" PARENT_SCOPE)
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endif()
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set(CMAKE_${lang}_COMPILER_ID "${CMAKE_${lang}_COMPILER_ID}" PARENT_SCOPE)
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set(CMAKE_${lang}_PLATFORM_ID "${CMAKE_${lang}_PLATFORM_ID}" PARENT_SCOPE)
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set(MSVC_${lang}_ARCHITECTURE_ID "${MSVC_${lang}_ARCHITECTURE_ID}"
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PARENT_SCOPE)
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set(CMAKE_${lang}_CL_SHOWINCLUDES_PREFIX "${CMAKE_${lang}_CL_SHOWINCLUDES_PREFIX}" PARENT_SCOPE)
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set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_${lang}_COMPILER_VERSION}" PARENT_SCOPE)
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set(CMAKE_${lang}_COMPILER_WRAPPER "${CMAKE_${lang}_COMPILER_WRAPPER}" PARENT_SCOPE)
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set(CMAKE_${lang}_SIMULATE_ID "${CMAKE_${lang}_SIMULATE_ID}" PARENT_SCOPE)
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set(CMAKE_${lang}_SIMULATE_VERSION "${CMAKE_${lang}_SIMULATE_VERSION}" PARENT_SCOPE)
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set(CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT "${CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT}" PARENT_SCOPE)
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endfunction()
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include(CMakeCompilerIdDetection)
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#-----------------------------------------------------------------------------
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# Function to write the compiler id source file.
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function(CMAKE_DETERMINE_COMPILER_ID_WRITE lang src)
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find_file(src_in ${src}.in PATHS ${CMAKE_ROOT}/Modules ${CMAKE_MODULE_PATH} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
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file(READ ${src_in} ID_CONTENT_IN)
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compiler_id_detection(CMAKE_${lang}_COMPILER_ID_CONTENT ${lang}
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ID_STRING
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VERSION_STRINGS
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PLATFORM_DEFAULT_COMPILER
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)
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unset(src_in CACHE)
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string(CONFIGURE "${ID_CONTENT_IN}" ID_CONTENT_OUT @ONLY)
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file(WRITE ${CMAKE_${lang}_COMPILER_ID_DIR}/${src} "${ID_CONTENT_OUT}")
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endfunction()
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#-----------------------------------------------------------------------------
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# Function to build the compiler id source file and look for output
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# files.
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function(CMAKE_DETERMINE_COMPILER_ID_BUILD lang testflags src)
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# Create a clean working directory.
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file(REMOVE_RECURSE ${CMAKE_${lang}_COMPILER_ID_DIR})
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file(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR})
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CMAKE_DETERMINE_COMPILER_ID_WRITE("${lang}" "${src}")
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# Construct a description of this test case.
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set(COMPILER_DESCRIPTION
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"Compiler: ${CMAKE_${lang}_COMPILER} ${CMAKE_${lang}_COMPILER_ID_ARG1}
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Build flags: ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
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Id flags: ${testflags}
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")
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# Compile the compiler identification source.
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if("${CMAKE_GENERATOR}" MATCHES "Visual Studio ([0-9]+)")
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set(vs_version ${CMAKE_MATCH_1})
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set(id_platform ${CMAKE_VS_PLATFORM_NAME})
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set(id_lang "${lang}")
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if(CMAKE_VS_PLATFORM_TOOLSET MATCHES "v[0-9]+_clang_.*")
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set(id_cl clang.exe)
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else()
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set(id_cl cl.exe)
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endif()
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if(CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android")
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set(v NsightTegra)
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set(ext vcxproj)
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if(lang STREQUAL CXX)
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set(id_gcc g++)
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set(id_clang clang++)
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else()
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set(id_gcc gcc)
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set(id_clang clang)
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endif()
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elseif(lang STREQUAL Fortran)
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set(v Intel)
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set(ext vfproj)
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set(id_cl ifort.exe)
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elseif(NOT "${vs_version}" VERSION_LESS 10)
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set(v 10)
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set(ext vcxproj)
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else()
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set(id_version ${vs_version}.00)
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set(v 7)
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set(ext vcproj)
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endif()
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if(CMAKE_VS_PLATFORM_TOOLSET)
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if(CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android")
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set(id_toolset "<NdkToolchainVersion>${CMAKE_VS_PLATFORM_TOOLSET}</NdkToolchainVersion>")
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else()
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set(id_toolset "<PlatformToolset>${CMAKE_VS_PLATFORM_TOOLSET}</PlatformToolset>")
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if(CMAKE_VS_PLATFORM_TOOLSET MATCHES "Intel")
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set(id_cl icl.exe)
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endif()
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endif()
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else()
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set(id_toolset "")
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endif()
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if(CMAKE_SYSTEM_NAME STREQUAL "WindowsPhone")
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set(id_system "<ApplicationType>Windows Phone</ApplicationType>")
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elseif(CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
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set(id_system "<ApplicationType>Windows Store</ApplicationType>")
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else()
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set(id_system "")
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endif()
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if(id_system AND CMAKE_SYSTEM_VERSION)
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set(id_system_version "<ApplicationTypeRevision>${CMAKE_SYSTEM_VERSION}</ApplicationTypeRevision>")
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else()
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set(id_system_version "")
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endif()
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if(CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION)
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set(id_WindowsTargetPlatformVersion "<WindowsTargetPlatformVersion>${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}</WindowsTargetPlatformVersion>")
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endif()
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if(id_platform STREQUAL ARM)
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set(id_WindowsSDKDesktopARMSupport "<WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>")
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else()
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set(id_WindowsSDKDesktopARMSupport "")
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endif()
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if(CMAKE_VS_WINCE_VERSION)
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set(id_entrypoint "mainACRTStartup")
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if("${vs_version}" VERSION_LESS 9)
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set(id_subsystem 9)
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else()
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set(id_subsystem 8)
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endif()
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else()
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set(id_subsystem 1)
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endif()
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set(id_dir ${CMAKE_${lang}_COMPILER_ID_DIR})
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set(id_src "${src}")
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configure_file(${CMAKE_ROOT}/Modules/CompilerId/VS-${v}.${ext}.in
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${id_dir}/CompilerId${lang}.${ext} @ONLY)
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if(CMAKE_VS_MSBUILD_COMMAND AND NOT lang STREQUAL "Fortran")
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set(command "${CMAKE_VS_MSBUILD_COMMAND}" "CompilerId${lang}.${ext}"
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"/p:Configuration=Debug" "/p:Platform=${id_platform}" "/p:VisualStudioVersion=${vs_version}.0"
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)
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elseif(CMAKE_VS_DEVENV_COMMAND)
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set(command "${CMAKE_VS_DEVENV_COMMAND}" "CompilerId${lang}.${ext}" "/build" "Debug")
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else()
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set(command "")
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endif()
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if(command)
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execute_process(
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COMMAND ${command}
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WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
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OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
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ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
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RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
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)
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else()
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set(CMAKE_${lang}_COMPILER_ID_RESULT 1)
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set(CMAKE_${lang}_COMPILER_ID_OUTPUT "VS environment not known to support ${lang}")
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endif()
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# Match the compiler location line printed out.
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if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "CMAKE_${lang}_COMPILER=([^%\r\n]+)[\r\n]")
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# Strip VS diagnostic output from the end of the line.
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string(REGEX REPLACE " \\(TaskId:[0-9]*\\)$" "" _comp "${CMAKE_MATCH_1}")
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if(EXISTS "${_comp}")
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file(TO_CMAKE_PATH "${_comp}" _comp)
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set(CMAKE_${lang}_COMPILER_ID_TOOL "${_comp}" PARENT_SCOPE)
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endif()
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endif()
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elseif("${CMAKE_GENERATOR}" MATCHES "Xcode")
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set(id_lang "${lang}")
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set(id_type ${CMAKE_${lang}_COMPILER_XCODE_TYPE})
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set(id_dir ${CMAKE_${lang}_COMPILER_ID_DIR})
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set(id_src "${src}")
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if(CMAKE_XCODE_PLATFORM_TOOLSET)
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set(id_toolset "GCC_VERSION = ${CMAKE_XCODE_PLATFORM_TOOLSET};")
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else()
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set(id_toolset "")
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endif()
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if(CMAKE_OSX_DEPLOYMENT_TARGET)
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set(id_deployment_target
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"MACOSX_DEPLOYMENT_TARGET = \"${CMAKE_OSX_DEPLOYMENT_TARGET}\";")
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else()
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set(id_deployment_target "")
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endif()
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set(id_product_type "com.apple.product-type.tool")
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if(CMAKE_OSX_SYSROOT)
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set(id_sdkroot "SDKROOT = \"${CMAKE_OSX_SYSROOT}\";")
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if(CMAKE_OSX_SYSROOT MATCHES "(^|/)[Ii][Pp][Hh][Oo][Nn][Ee]")
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set(id_product_type "com.apple.product-type.bundle.unit-test")
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endif()
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else()
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set(id_sdkroot "")
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endif()
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if(NOT ${XCODE_VERSION} VERSION_LESS 3)
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set(v 3)
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set(ext xcodeproj)
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elseif(NOT ${XCODE_VERSION} VERSION_LESS 2)
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set(v 2)
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set(ext xcodeproj)
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else()
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set(v 1)
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set(ext xcode)
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endif()
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configure_file(${CMAKE_ROOT}/Modules/CompilerId/Xcode-${v}.pbxproj.in
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${id_dir}/CompilerId${lang}.${ext}/project.pbxproj @ONLY)
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unset(_ENV_MACOSX_DEPLOYMENT_TARGET)
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if(DEFINED ENV{MACOSX_DEPLOYMENT_TARGET})
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set(_ENV_MACOSX_DEPLOYMENT_TARGET "$ENV{MACOSX_DEPLOYMENT_TARGET}")
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set(ENV{MACOSX_DEPLOYMENT_TARGET} "")
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endif()
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execute_process(COMMAND xcodebuild
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WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
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OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
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ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
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RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
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)
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if(DEFINED _ENV_MACOSX_DEPLOYMENT_TARGET)
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set(ENV{MACOSX_DEPLOYMENT_TARGET} "${_ENV_MACOSX_DEPLOYMENT_TARGET}")
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endif()
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if(DEFINED CMAKE_${lang}_COMPILER_ID_TOOL_MATCH_REGEX)
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if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "${CMAKE_${lang}_COMPILER_ID_TOOL_MATCH_REGEX}")
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set(_comp "${CMAKE_MATCH_${CMAKE_${lang}_COMPILER_ID_TOOL_MATCH_INDEX}}")
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if(EXISTS "${_comp}")
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set(CMAKE_${lang}_COMPILER_ID_TOOL "${_comp}" PARENT_SCOPE)
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endif()
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endif()
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endif()
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else()
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execute_process(
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COMMAND "${CMAKE_${lang}_COMPILER}"
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${CMAKE_${lang}_COMPILER_ID_ARG1}
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${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
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${testflags}
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"${src}"
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WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
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OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
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ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
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RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
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)
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endif()
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# Check the result of compilation.
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if(CMAKE_${lang}_COMPILER_ID_RESULT
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# Intel Fortran warns and ignores preprocessor lines without /fpp
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OR CMAKE_${lang}_COMPILER_ID_OUTPUT MATCHES "Bad # preprocessor line"
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)
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# Compilation failed.
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set(MSG
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"Compiling the ${lang} compiler identification source file \"${src}\" failed.
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${COMPILER_DESCRIPTION}
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The output was:
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${CMAKE_${lang}_COMPILER_ID_RESULT}
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${CMAKE_${lang}_COMPILER_ID_OUTPUT}
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")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "${MSG}")
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#if(NOT CMAKE_${lang}_COMPILER_ID_ALLOW_FAIL)
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# message(FATAL_ERROR "${MSG}")
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#endif()
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# No output files should be inspected.
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set(COMPILER_${lang}_PRODUCED_FILES)
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set(COMPILER_${lang}_PRODUCED_OUTPUT)
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else()
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# Compilation succeeded.
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Compiling the ${lang} compiler identification source file \"${src}\" succeeded.
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${COMPILER_DESCRIPTION}
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The output was:
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${CMAKE_${lang}_COMPILER_ID_RESULT}
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${CMAKE_${lang}_COMPILER_ID_OUTPUT}
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")
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# Find the executable produced by the compiler, try all files in the
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# binary dir.
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file(GLOB files
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RELATIVE ${CMAKE_${lang}_COMPILER_ID_DIR}
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# normal case
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${CMAKE_${lang}_COMPILER_ID_DIR}/*
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# com.apple.package-type.bundle.unit-test
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${CMAKE_${lang}_COMPILER_ID_DIR}/*.xctest/*
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)
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list(REMOVE_ITEM files "${src}")
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set(COMPILER_${lang}_PRODUCED_FILES "")
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foreach(file ${files})
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if(NOT IS_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}/${file})
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list(APPEND COMPILER_${lang}_PRODUCED_FILES ${file})
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Compilation of the ${lang} compiler identification source \""
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"${src}\" produced \"${file}\"\n\n")
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endif()
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endforeach()
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if(NOT COMPILER_${lang}_PRODUCED_FILES)
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# No executable was found.
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Compilation of the ${lang} compiler identification source \""
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"${src}\" did not produce an executable in \""
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"${CMAKE_${lang}_COMPILER_ID_DIR}\".\n\n")
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endif()
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set(COMPILER_${lang}_PRODUCED_OUTPUT "${CMAKE_${lang}_COMPILER_ID_OUTPUT}")
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endif()
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# Return the files produced by the compilation.
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set(COMPILER_${lang}_PRODUCED_FILES "${COMPILER_${lang}_PRODUCED_FILES}" PARENT_SCOPE)
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set(COMPILER_${lang}_PRODUCED_OUTPUT "${COMPILER_${lang}_PRODUCED_OUTPUT}" PARENT_SCOPE)
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endfunction()
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#-----------------------------------------------------------------------------
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# Function to extract the compiler id from compiler output.
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function(CMAKE_DETERMINE_COMPILER_ID_MATCH_VENDOR lang output)
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foreach(vendor ${CMAKE_${lang}_COMPILER_ID_MATCH_VENDORS})
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if(output MATCHES "${CMAKE_${lang}_COMPILER_ID_MATCH_VENDOR_REGEX_${vendor}}")
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|
set(CMAKE_${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(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)
|
|
file(STRINGS ${file}
|
|
CMAKE_${lang}_COMPILER_ID_STRINGS LIMIT_COUNT 38 REGEX "INFO:[A-Za-z0-9_]+\\[[^]]*\\]")
|
|
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 "${COMPILER_VERSION}")
|
|
endif()
|
|
foreach(comp MAJOR MINOR PATCH TWEAK)
|
|
foreach(digit 1 2 3 4 5 6 7 8 9)
|
|
if("${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:dialect_default\\[([^]\"]*)\\]")
|
|
set(CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT "${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 "${COMPILER_VERSION_MAJOR}")
|
|
if(HAVE_COMPILER_VERSION_MINOR)
|
|
set(COMPILER_VERSION "${COMPILER_VERSION}.${COMPILER_VERSION_MINOR}")
|
|
if(HAVE_COMPILER_VERSION_PATCH)
|
|
set(COMPILER_VERSION "${COMPILER_VERSION}.${COMPILER_VERSION_PATCH}")
|
|
if(HAVE_COMPILER_VERSION_TWEAK)
|
|
set(COMPILER_VERSION "${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 ${file} peoffsethex LIMIT 1 OFFSET 60 HEX)
|
|
string(SUBSTRING "${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 ${peoffset} HEX)
|
|
if(peheader STREQUAL "50450000a201")
|
|
set(ARCHITECTURE_ID "SH3")
|
|
elseif(peheader STREQUAL "50450000a301")
|
|
set(ARCHITECTURE_ID "SH3DSP")
|
|
elseif(peheader STREQUAL "50450000a601")
|
|
set(ARCHITECTURE_ID "SH4")
|
|
elseif(peheader STREQUAL "50450000a801")
|
|
set(ARCHITECTURE_ID "SH5")
|
|
endif()
|
|
endif()
|
|
|
|
# Check if a valid compiler and platform were found.
|
|
if(COMPILER_ID AND NOT COMPILER_ID_TWICE)
|
|
set(CMAKE_${lang}_COMPILER_ID "${COMPILER_ID}")
|
|
set(CMAKE_${lang}_PLATFORM_ID "${PLATFORM_ID}")
|
|
set(MSVC_${lang}_ARCHITECTURE_ID "${ARCHITECTURE_ID}")
|
|
set(CMAKE_${lang}_COMPILER_VERSION "${COMPILER_VERSION}")
|
|
set(CMAKE_${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("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "4d5a....")
|
|
# set(CMAKE_EXECUTABLE_FORMAT "COFF" CACHE STRING "Executable file format")
|
|
# endif()
|
|
#
|
|
# # Mach-O files start with CAFEBABE or FEEDFACE, according to http://radio.weblogs.com/0100490/2003/01/28.html
|
|
# if("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "cafebabe")
|
|
# set(CMAKE_EXECUTABLE_FORMAT "MACHO" CACHE STRING "Executable file format")
|
|
# endif()
|
|
# if("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "feedface")
|
|
# set(CMAKE_EXECUTABLE_FORMAT "MACHO" CACHE STRING "Executable file format")
|
|
# endif()
|
|
|
|
endif()
|
|
if(NOT DEFINED CMAKE_EXECUTABLE_FORMAT)
|
|
set(CMAKE_EXECUTABLE_FORMAT)
|
|
endif()
|
|
# Return the information extracted.
|
|
set(CMAKE_${lang}_COMPILER_ID "${CMAKE_${lang}_COMPILER_ID}" PARENT_SCOPE)
|
|
set(CMAKE_${lang}_PLATFORM_ID "${CMAKE_${lang}_PLATFORM_ID}" PARENT_SCOPE)
|
|
set(MSVC_${lang}_ARCHITECTURE_ID "${MSVC_${lang}_ARCHITECTURE_ID}"
|
|
PARENT_SCOPE)
|
|
set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_${lang}_COMPILER_VERSION}" PARENT_SCOPE)
|
|
set(CMAKE_${lang}_COMPILER_WRAPPER "${COMPILER_WRAPPER}" PARENT_SCOPE)
|
|
set(CMAKE_${lang}_SIMULATE_ID "${CMAKE_${lang}_SIMULATE_ID}" PARENT_SCOPE)
|
|
set(CMAKE_${lang}_SIMULATE_VERSION "${CMAKE_${lang}_SIMULATE_VERSION}" PARENT_SCOPE)
|
|
set(CMAKE_EXECUTABLE_FORMAT "${CMAKE_EXECUTABLE_FORMAT}" PARENT_SCOPE)
|
|
set(COMPILER_QNXNTO "${COMPILER_QNXNTO}" PARENT_SCOPE)
|
|
set(CMAKE_${lang}_STANDARD_COMPUTED_DEFAULT "${CMAKE_${lang}_STANDARD_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_${vendor} "Some Vendor Output")
|
|
# We try running the compiler with the flag for each vendor and
|
|
# matching its regular expression in the output.
|
|
function(CMAKE_DETERMINE_COMPILER_ID_VENDOR lang)
|
|
|
|
if(NOT CMAKE_${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()
|
|
|
|
|
|
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}
|
|
${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
|
|
${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)
|
|
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()
|
|
endfunction()
|
|
|
|
function(CMAKE_DETERMINE_MSVC_SHOWINCLUDES_PREFIX lang)
|
|
# 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}
|
|
${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
|
|
/nologo /showIncludes /c main.c
|
|
WORKING_DIRECTORY ${showdir}
|
|
OUTPUT_VARIABLE out
|
|
ERROR_VARIABLE err
|
|
RESULT_VARIABLE res
|
|
)
|
|
if(res EQUAL 0 AND "${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()
|