#============================================================================= # Copyright 2004-2009 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.) # determine the compiler to use for Fortran programs # NOTE, a generator may set CMAKE_Fortran_COMPILER before # loading this file to force a compiler. # use environment variable FC first if defined by user, next use # the cmake variable CMAKE_GENERATOR_FC which can be defined by a generator # as a default compiler include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake) include(Platform/${CMAKE_SYSTEM_NAME}-Fortran OPTIONAL) if(NOT CMAKE_Fortran_COMPILER_NAMES) set(CMAKE_Fortran_COMPILER_NAMES f95) endif() if(${CMAKE_GENERATOR} MATCHES "Visual Studio") set(CMAKE_Fortran_COMPILER_ID_RUN 1) set(CMAKE_Fortran_PLATFORM_ID "Windows") set(CMAKE_Fortran_COMPILER_ID "Intel") set(CMAKE_Fortran_COMPILER "${CMAKE_GENERATOR_FC}") elseif("${CMAKE_GENERATOR}" MATCHES "Xcode") set(CMAKE_Fortran_COMPILER_XCODE_TYPE sourcecode.fortran.f90) else() if(NOT CMAKE_Fortran_COMPILER) # prefer the environment variable CC if($ENV{FC} MATCHES ".+") get_filename_component(CMAKE_Fortran_COMPILER_INIT $ENV{FC} PROGRAM PROGRAM_ARGS CMAKE_Fortran_FLAGS_ENV_INIT) if(CMAKE_Fortran_FLAGS_ENV_INIT) set(CMAKE_Fortran_COMPILER_ARG1 "${CMAKE_Fortran_FLAGS_ENV_INIT}" CACHE STRING "First argument to Fortran compiler") endif() if(EXISTS ${CMAKE_Fortran_COMPILER_INIT}) else() message(FATAL_ERROR "Could not find compiler set in environment variable FC:\n$ENV{FC}.") endif() endif() # next try prefer the compiler specified by the generator if(CMAKE_GENERATOR_FC) if(NOT CMAKE_Fortran_COMPILER_INIT) set(CMAKE_Fortran_COMPILER_INIT ${CMAKE_GENERATOR_FC}) endif() endif() # finally list compilers to try if(NOT CMAKE_Fortran_COMPILER_INIT) # Known compilers: # f77/f90/f95: generic compiler names # g77: GNU Fortran 77 compiler # gfortran: putative GNU Fortran 95+ compiler (in progress) # fort77: native F77 compiler under HP-UX (and some older Crays) # frt: Fujitsu F77 compiler # pathf90/pathf95/pathf2003: PathScale Fortran compiler # pgf77/pgf90/pgf95/pgfortran: Portland Group F77/F90/F95 compilers # xlf/xlf90/xlf95: IBM (AIX) F77/F90/F95 compilers # lf95: Lahey-Fujitsu F95 compiler # fl32: Microsoft Fortran 77 "PowerStation" compiler # af77: Apogee F77 compiler for Intergraph hardware running CLIX # epcf90: "Edinburgh Portable Compiler" F90 # fort: Compaq (now HP) Fortran 90/95 compiler for Tru64 and Linux/Alpha # ifc: Intel Fortran 95 compiler for Linux/x86 # efc: Intel Fortran 95 compiler for IA64 # # The order is 95 or newer compilers first, then 90, # then 77 or older compilers, gnu is always last in the group, # so if you paid for a compiler it is picked by default. set(CMAKE_Fortran_COMPILER_LIST ifort ifc af95 af90 efc f95 pathf2003 pathf95 pgf95 pgfortran lf95 xlf95 fort gfortran gfortran-4 g95 f90 pathf90 pgf90 xlf90 epcf90 fort77 frt pgf77 xlf fl32 af77 g77 f77 ) # Vendor-specific compiler names. set(_Fortran_COMPILER_NAMES_GNU gfortran gfortran-4 g95 g77) set(_Fortran_COMPILER_NAMES_Intel ifort ifc efc) set(_Fortran_COMPILER_NAMES_Absoft af95 af90 af77) set(_Fortran_COMPILER_NAMES_PGI pgf95 pgfortran pgf90 pgf77) set(_Fortran_COMPILER_NAMES_PathScale pathf2003 pathf95 pathf90) set(_Fortran_COMPILER_NAMES_XL xlf) set(_Fortran_COMPILER_NAMES_VisualAge xlf95 xlf90 xlf) endif() _cmake_find_compiler(Fortran) else() # we only get here if CMAKE_Fortran_COMPILER was specified using -D or a pre-made CMakeCache.txt # (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE # if CMAKE_Fortran_COMPILER is a list of length 2, use the first item as # CMAKE_Fortran_COMPILER and the 2nd one as CMAKE_Fortran_COMPILER_ARG1 list(LENGTH CMAKE_Fortran_COMPILER _CMAKE_Fortran_COMPILER_LIST_LENGTH) if("${_CMAKE_Fortran_COMPILER_LIST_LENGTH}" EQUAL 2) list(GET CMAKE_Fortran_COMPILER 1 CMAKE_Fortran_COMPILER_ARG1) list(GET CMAKE_Fortran_COMPILER 0 CMAKE_Fortran_COMPILER) endif() # if a compiler was specified by the user but without path, # now try to find it with the full path # if it is found, force it into the cache, # if not, don't overwrite the setting (which was given by the user) with "NOTFOUND" # if the C compiler already had a path, reuse it for searching the CXX compiler get_filename_component(_CMAKE_USER_Fortran_COMPILER_PATH "${CMAKE_Fortran_COMPILER}" PATH) if(NOT _CMAKE_USER_Fortran_COMPILER_PATH) find_program(CMAKE_Fortran_COMPILER_WITH_PATH NAMES ${CMAKE_Fortran_COMPILER}) mark_as_advanced(CMAKE_Fortran_COMPILER_WITH_PATH) if(CMAKE_Fortran_COMPILER_WITH_PATH) set(CMAKE_Fortran_COMPILER ${CMAKE_Fortran_COMPILER_WITH_PATH} CACHE STRING "Fortran compiler" FORCE) endif() endif() endif() mark_as_advanced(CMAKE_Fortran_COMPILER) # Each entry in this list is a set of extra flags to try # adding to the compile line to see if it helps produce # a valid identification executable. set(CMAKE_Fortran_COMPILER_ID_TEST_FLAGS # Try compiling to an object file only. "-c" # Intel on windows does not preprocess by default. "-fpp" ) endif() # Build a small source file to identify the compiler. if(NOT CMAKE_Fortran_COMPILER_ID_RUN) set(CMAKE_Fortran_COMPILER_ID_RUN 1) # Table of per-vendor compiler id flags with expected output. list(APPEND CMAKE_Fortran_COMPILER_ID_VENDORS Compaq) set(CMAKE_Fortran_COMPILER_ID_VENDOR_FLAGS_Compaq "-what") set(CMAKE_Fortran_COMPILER_ID_VENDOR_REGEX_Compaq "Compaq Visual Fortran") list(APPEND CMAKE_Fortran_COMPILER_ID_VENDORS NAG) # Numerical Algorithms Group set(CMAKE_Fortran_COMPILER_ID_VENDOR_FLAGS_NAG "-V") set(CMAKE_Fortran_COMPILER_ID_VENDOR_REGEX_NAG "NAG Fortran Compiler") # Try to identify the compiler. set(CMAKE_Fortran_COMPILER_ID) include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake) CMAKE_DETERMINE_COMPILER_ID(Fortran FFLAGS CMakeFortranCompilerId.F) # Fall back to old is-GNU test. if(NOT CMAKE_Fortran_COMPILER_ID) exec_program(${CMAKE_Fortran_COMPILER} ARGS ${CMAKE_Fortran_COMPILER_ID_FLAGS_LIST} -E "\"${CMAKE_ROOT}/Modules/CMakeTestGNU.c\"" OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RETURN_VALUE CMAKE_COMPILER_RETURN) if(NOT CMAKE_COMPILER_RETURN) if("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" ) set(CMAKE_Fortran_COMPILER_ID "GNU") file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log "Determining if the Fortran compiler is GNU succeeded with " "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n") else() file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log "Determining if the Fortran compiler is GNU failed with " "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n") endif() if(NOT CMAKE_Fortran_PLATFORM_ID) if("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_MINGW.*" ) set(CMAKE_Fortran_PLATFORM_ID "MinGW") endif() if("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" ) set(CMAKE_Fortran_PLATFORM_ID "Cygwin") endif() endif() endif() endif() # Set old compiler and platform id variables. if("${CMAKE_Fortran_COMPILER_ID}" MATCHES "GNU") set(CMAKE_COMPILER_IS_GNUG77 1) endif() if("${CMAKE_Fortran_PLATFORM_ID}" MATCHES "MinGW") set(CMAKE_COMPILER_IS_MINGW 1) elseif("${CMAKE_Fortran_PLATFORM_ID}" MATCHES "Cygwin") set(CMAKE_COMPILER_IS_CYGWIN 1) endif() endif() include(CMakeFindBinUtils) if(MSVC_Fortran_ARCHITECTURE_ID) set(SET_MSVC_Fortran_ARCHITECTURE_ID "set(MSVC_Fortran_ARCHITECTURE_ID ${MSVC_Fortran_ARCHITECTURE_ID})") endif() # configure variables set in this file for fast reload later on configure_file(${CMAKE_ROOT}/Modules/CMakeFortranCompiler.cmake.in ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeFortranCompiler.cmake @ONLY IMMEDIATE # IMMEDIATE must be here for compatibility mode <= 2.0 ) set(CMAKE_Fortran_COMPILER_ENV_VAR "FC")