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cmake/Modules/CMakeDetermineCompilerId.cmake

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#=============================================================================
# Copyright 2007-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# 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})
else()
set(CMAKE_${lang}_COMPILER_ID_FLAGS $ENV{${flagvar}})
endif()
string(REGEX 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})
# Try building with no extra flags and then try each set
# of helper flags. Stop when the compiler is identified.
foreach(flags "" ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS})
if(NOT CMAKE_${lang}_COMPILER_ID)
CMAKE_DETERMINE_COMPILER_ID_BUILD("${lang}" "${flags}" "${src}")
foreach(file ${COMPILER_${lang}_PRODUCED_FILES})
CMAKE_DETERMINE_COMPILER_ID_CHECK("${lang}" "${CMAKE_${lang}_COMPILER_ID_DIR}/${file}" "${src}")
endforeach()
endif()
endforeach()
# If the compiler is still unknown, try to query its vendor.
if(NOT CMAKE_${lang}_COMPILER_ID)
CMAKE_DETERMINE_COMPILER_ID_VENDOR(${lang})
endif()
# if the format is unknown after all files have been checked, put "Unknown" in the cache
if(NOT CMAKE_EXECUTABLE_FORMAT)
set(CMAKE_EXECUTABLE_FORMAT "Unknown" CACHE INTERNAL "Executable file format")
endif()
# Display the final identification result.
if(CMAKE_${lang}_COMPILER_ID)
if(CMAKE_${lang}_COMPILER_VERSION)
set(_version " ${CMAKE_${lang}_COMPILER_VERSION}")
else()
set(_version "")
endif()
message(STATUS "The ${lang} compiler identification is "
"${CMAKE_${lang}_COMPILER_ID}${_version}")
else()
message(STATUS "The ${lang} compiler identification is unknown")
endif()
# Check if compiler id detection gave us the compiler tool.
if(NOT CMAKE_${lang}_COMPILER)
if(CMAKE_${lang}_COMPILER_ID_TOOL)
set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_ID_TOOL}" PARENT_SCOPE)
else()
set(CMAKE_${lang}_COMPILER "CMAKE_${lang}_COMPILER-NOTFOUND" PARENT_SCOPE)
endif()
endif()
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)
endfunction()
#-----------------------------------------------------------------------------
# Function to write the compiler id source file.
function(CMAKE_DETERMINE_COMPILER_ID_WRITE lang src)
file(READ ${CMAKE_ROOT}/Modules/${src}.in ID_CONTENT_IN)
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 src)
# Create a clean working directory.
file(REMOVE_RECURSE ${CMAKE_${lang}_COMPILER_ID_DIR})
file(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR})
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: ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
Id flags: ${testflags}
")
# Compile the compiler identification source.
if("${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_cl cl.exe)
if(NOT "${vs_version}" VERSION_LESS 10)
set(v 10)
set(ext vcxproj)
elseif(NOT "${vs_version}" VERSION_LESS 7)
set(id_version ${vs_version}.00)
set(v 7)
set(ext vcproj)
else()
set(v 6)
set(ext dsp)
endif()
if("${id_platform}" STREQUAL "Itanium")
set(id_platform ia64)
endif()
if(CMAKE_VS_PLATFORM_TOOLSET)
set(id_toolset "<PlatformToolset>${CMAKE_VS_PLATFORM_TOOLSET}</PlatformToolset>")
else()
set(id_toolset "")
endif()
if(CMAKE_VS_WINCE_VERSION)
set(id_entrypoint "mainACRTStartup")
if("${vs_version}" VERSION_LESS 9)
set(id_subsystem 9)
else()
set(id_subsystem 8)
endif()
else()
set(id_subsystem 1)
endif()
if("${CMAKE_MAKE_PROGRAM}" MATCHES "[Mm][Ss][Bb][Uu][Ii][Ll][Dd]")
set(build /p:Configuration=Debug /p:Platform=@id_platform@ /p:VisualStudioVersion=${vs_version}.0)
elseif("${CMAKE_MAKE_PROGRAM}" MATCHES "[Mm][Ss][Dd][Ee][Vv]")
set(build /make)
else()
set(build /build Debug)
endif()
set(id_dir ${CMAKE_${lang}_COMPILER_ID_DIR})
get_filename_component(id_src "${src}" NAME)
configure_file(${CMAKE_ROOT}/Modules/CompilerId/VS-${v}.${ext}.in
${id_dir}/CompilerId${lang}.${ext} @ONLY IMMEDIATE)
execute_process(
COMMAND ${CMAKE_MAKE_PROGRAM} CompilerId${lang}.${ext} ${build}
WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
)
# Match the compiler location line printed out.
if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "CMAKE_${lang}_COMPILER=([^%\r\n]+)[\r\n]")
set(_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})
get_filename_component(id_src "${src}" NAME)
if(CMAKE_XCODE_PLATFORM_TOOLSET)
set(id_toolset "GCC_VERSION = ${CMAKE_XCODE_PLATFORM_TOOLSET};")
else()
set(id_toolset "")
endif()
if(NOT ${XCODE_VERSION} VERSION_LESS 3)
set(v 3)
set(ext xcodeproj)
elseif(NOT ${XCODE_VERSION} VERSION_LESS 2)
set(v 2)
set(ext xcodeproj)
else()
set(v 1)
set(ext xcode)
endif()
configure_file(${CMAKE_ROOT}/Modules/CompilerId/Xcode-${v}.pbxproj.in
${id_dir}/CompilerId${lang}.${ext}/project.pbxproj @ONLY IMMEDIATE)
unset(_ENV_MACOSX_DEPLOYMENT_TARGET)
if(DEFINED ENV{MACOSX_DEPLOYMENT_TARGET})
set(_ENV_MACOSX_DEPLOYMENT_TARGET "$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()
# Match the link line from xcodebuild output of the form
# Ld ...
# ...
# /path/to/cc ...CompilerId${lang}/...
# to extract the compiler front-end for the language.
if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "\nLd[^\n]*(\n[ \t]+[^\n]*)*\n[ \t]+([^ \t\r\n]+)[^\r\n]*-o[^\r\n]*CompilerId${lang}/\\./CompilerId${lang}[ \t\n\\\"]")
set(_comp "${CMAKE_MATCH_2}")
if(EXISTS "${_comp}")
set(CMAKE_${lang}_COMPILER_ID_TOOL "${_comp}" PARENT_SCOPE)
endif()
endif()
else()
if(COMMAND EXECUTE_PROCESS)
execute_process(
COMMAND ${CMAKE_${lang}_COMPILER}
${CMAKE_${lang}_COMPILER_ID_ARG1}
${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
${testflags}
"${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
)
else()
exec_program(
${CMAKE_${lang}_COMPILER} ${CMAKE_${lang}_COMPILER_ID_DIR}
ARGS ${CMAKE_${lang}_COMPILER_ID_ARG1}
${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
${testflags}
\"${src}\"
OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
RETURN_VALUE CMAKE_${lang}_COMPILER_ID_RESULT
)
endif()
endif()
# Check the result of compilation.
if(CMAKE_${lang}_COMPILER_ID_RESULT)
# 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}
")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "${MSG}")
#if(NOT CMAKE_${lang}_COMPILER_ID_ALLOW_FAIL)
# message(FATAL_ERROR "${MSG}")
#endif()
# No output files should be inspected.
set(COMPILER_${lang}_PRODUCED_FILES)
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.
file(GLOB files
RELATIVE ${CMAKE_${lang}_COMPILER_ID_DIR}
${CMAKE_${lang}_COMPILER_ID_DIR}/*)
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()
endif()
# Return the files produced by the compilation.
set(COMPILER_${lang}_PRODUCED_FILES "${COMPILER_${lang}_PRODUCED_FILES}" PARENT_SCOPE)
endfunction()
#-----------------------------------------------------------------------------
# Function to extract the compiler id from an executable.
function(CMAKE_DETERMINE_COMPILER_ID_CHECK lang file)
# Look for a compiler id if not yet known.
if(NOT CMAKE_${lang}_COMPILER_ID)
# Read the compiler identification string from the executable file.
set(COMPILER_ID)
set(COMPILER_VERSION)
set(PLATFORM_ID)
file(STRINGS ${file}
CMAKE_${lang}_COMPILER_ID_STRINGS LIMIT_COUNT 4 REGEX "INFO:")
set(HAVE_COMPILER_TWICE 0)
foreach(info ${CMAKE_${lang}_COMPILER_ID_STRINGS})
if("${info}" MATCHES ".*INFO:compiler\\[([^]\"]*)\\].*")
if(COMPILER_ID)
set(COMPILER_ID_TWICE 1)
endif()
string(REGEX REPLACE ".*INFO:compiler\\[([^]]*)\\].*" "\\1"
COMPILER_ID "${info}")
endif()
if("${info}" MATCHES ".*INFO:platform\\[([^]\"]*)\\].*")
string(REGEX REPLACE ".*INFO:platform\\[([^]]*)\\].*" "\\1"
PLATFORM_ID "${info}")
endif()
if("${info}" MATCHES ".*INFO:arch\\[([^]\"]*)\\].*")
string(REGEX REPLACE ".*INFO:arch\\[([^]]*)\\].*" "\\1"
ARCHITECTURE_ID "${info}")
endif()
if("${info}" MATCHES ".*INFO:compiler_version\\[([^]\"]*)\\].*")
string(REGEX REPLACE ".*INFO:compiler_version\\[([^]]*)\\].*" "\\1" COMPILER_VERSION "${info}")
string(REGEX REPLACE "^0+([0-9])" "\\1" COMPILER_VERSION "${COMPILER_VERSION}")
string(REGEX REPLACE "\\.0+([0-9])" ".\\1" COMPILER_VERSION "${COMPILER_VERSION}")
endif()
endforeach()
# 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 ${peoffset} HEX)
if(peheader STREQUAL "50450000a201")
set(ARCHITECTURE_ID "SH3")
elseif(peheader STREQUAL "50450000a301")
set(ARCHITECTURE_ID "SH3DSP")
elseif(peheader STREQUAL "50450000a601")
set(ARCHITECTURE_ID "SH4")
elseif(peheader STREQUAL "50450000a801")
set(ARCHITECTURE_ID "SH5")
elseif(peheader STREQUAL "50450000c201")
set(ARCHITECTURE_ID "THUMB")
endif()
endif()
# Check if a valid compiler and platform were found.
if(COMPILER_ID AND NOT COMPILER_ID_TWICE)
set(CMAKE_${lang}_COMPILER_ID "${COMPILER_ID}")
set(CMAKE_${lang}_PLATFORM_ID "${PLATFORM_ID}")
set(MSVC_${lang}_ARCHITECTURE_ID "${ARCHITECTURE_ID}")
set(CMAKE_${lang}_COMPILER_VERSION "${COMPILER_VERSION}")
endif()
# Check the compiler identification string.
if(CMAKE_${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_${lang}_COMPILER_VERSION}" PARENT_SCOPE)
set(CMAKE_EXECUTABLE_FORMAT "${CMAKE_EXECUTABLE_FORMAT}" 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()
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