#============================================================================= # Copyright 2014 Stephen Kelly <steveire@gmail.com> # # 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(_readFile file) include(${file}) get_filename_component(name ${file} NAME_WE) string(REGEX REPLACE "-.*" "" CompilerId ${name}) set(_compiler_id_version_compute_${CompilerId} ${_compiler_id_version_compute} PARENT_SCOPE) set(_compiler_id_simulate_${CompilerId} ${_compiler_id_simulate} PARENT_SCOPE) set(_compiler_id_pp_test_${CompilerId} ${_compiler_id_pp_test} PARENT_SCOPE) endfunction() include(${CMAKE_CURRENT_LIST_DIR}/CMakeParseArguments.cmake) function(compiler_id_detection outvar lang) if (NOT lang STREQUAL Fortran) file(GLOB lang_files "${CMAKE_ROOT}/Modules/Compiler/*-DetermineCompiler.cmake") set(nonlang CXX) if (lang STREQUAL CXX) set(nonlang C) endif() file(GLOB nonlang_files "${CMAKE_ROOT}/Modules/Compiler/*-${nonlang}-DetermineCompiler.cmake") list(REMOVE_ITEM lang_files ${nonlang_files}) endif() set(files ${lang_files}) if (files) foreach(file ${files}) _readFile(${file}) endforeach() set(options ID_STRING VERSION_STRINGS ID_DEFINE PLATFORM_DEFAULT_COMPILER) set(oneValueArgs PREFIX) cmake_parse_arguments(CID "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) if (CID_UNPARSED_ARGUMENTS) message(FATAL_ERROR "Unrecognized arguments: \"${CID_UNPARSED_ARGUMENTS}\"") endif() # Order is relevant here. For example, compilers which pretend to be # GCC must appear before the actual GCC. if (lang STREQUAL CXX) list(APPEND ordered_compilers Comeau ) endif() list(APPEND ordered_compilers Intel PathScale Embarcadero Borland Watcom OpenWatcom SunPro HP Compaq zOS XL VisualAge PGI Cray TI Fujitsu ) if (lang STREQUAL C) list(APPEND ordered_compilers TinyCC ) endif() list(APPEND ordered_compilers SCO AppleClang Clang GNU MSVC ADSP IAR ) if (lang STREQUAL C) list(APPEND ordered_compilers SDCC ) endif() list(APPEND ordered_compilers MIPSpro) if(CID_ID_DEFINE) foreach(Id ${ordered_compilers}) set(CMAKE_${lang}_COMPILER_ID_CONTENT "${CMAKE_${lang}_COMPILER_ID_CONTENT}# define ${CID_PREFIX}COMPILER_IS_${Id} 0\n") endforeach() endif() set(pp_if "#if") if (CID_VERSION_STRINGS) set(CMAKE_${lang}_COMPILER_ID_CONTENT "${CMAKE_${lang}_COMPILER_ID_CONTENT}\n/* Version number components: V=Version, R=Revision, P=Patch Version date components: YYYY=Year, MM=Month, DD=Day */\n") endif() foreach(Id ${ordered_compilers}) if (NOT _compiler_id_pp_test_${Id}) message(FATAL_ERROR "No preprocessor test for \"${Id}\"") endif() set(id_content "${pp_if} ${_compiler_id_pp_test_${Id}}\n") if (CID_ID_STRING) set(PREFIX ${CID_PREFIX}) string(CONFIGURE "${_compiler_id_simulate_${Id}}" SIMULATE_BLOCK @ONLY) set(id_content "${id_content}# define ${CID_PREFIX}COMPILER_ID \"${Id}\"${SIMULATE_BLOCK}") endif() if (CID_ID_DEFINE) set(id_content "${id_content}# undef ${CID_PREFIX}COMPILER_IS_${Id}\n") set(id_content "${id_content}# define ${CID_PREFIX}COMPILER_IS_${Id} 1\n") endif() if (CID_VERSION_STRINGS) set(PREFIX ${CID_PREFIX}) set(MACRO_DEC DEC) set(MACRO_HEX HEX) string(CONFIGURE "${_compiler_id_version_compute_${Id}}" VERSION_BLOCK @ONLY) set(id_content "${id_content}${VERSION_BLOCK}\n") endif() set(CMAKE_${lang}_COMPILER_ID_CONTENT "${CMAKE_${lang}_COMPILER_ID_CONTENT}\n${id_content}") set(pp_if "#elif") endforeach() if (CID_PLATFORM_DEFAULT_COMPILER) set(platform_compiler_detection " /* These compilers are either not known or too old to define an identification macro. Try to identify the platform and guess that it is the native compiler. */ #elif defined(__sgi) # define ${CID_PREFIX}COMPILER_ID \"MIPSpro\" #elif defined(__hpux) || defined(__hpua) # define ${CID_PREFIX}COMPILER_ID \"HP\" #else /* unknown compiler */ # define ${CID_PREFIX}COMPILER_ID \"\"") endif() set(CMAKE_${lang}_COMPILER_ID_CONTENT "${CMAKE_${lang}_COMPILER_ID_CONTENT}\n${platform_compiler_detection}\n#endif") endif() set(${outvar} ${CMAKE_${lang}_COMPILER_ID_CONTENT} PARENT_SCOPE) endfunction()