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Diffstat (limited to 'Modules/CMakeDetermineFortranCompiler.cmake')
| -rw-r--r-- | Modules/CMakeDetermineFortranCompiler.cmake | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/Modules/CMakeDetermineFortranCompiler.cmake b/Modules/CMakeDetermineFortranCompiler.cmake new file mode 100644 index 000000000..ade6d586c --- /dev/null +++ b/Modules/CMakeDetermineFortranCompiler.cmake @@ -0,0 +1,228 @@ + +#============================================================================= +# 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 + +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(CMAKE_Fortran_FLAGS_ENV_INIT) + IF(EXISTS ${CMAKE_Fortran_COMPILER_INIT}) + ELSE(EXISTS ${CMAKE_Fortran_COMPILER_INIT}) + MESSAGE(FATAL_ERROR "Could not find compiler set in environment variable FC:\n$ENV{FC}.") + ENDIF(EXISTS ${CMAKE_Fortran_COMPILER_INIT}) + ENDIF($ENV{FC} MATCHES ".+") + + # 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(NOT CMAKE_Fortran_COMPILER_INIT) + ENDIF(CMAKE_GENERATOR_FC) + + # finally list compilers to try + IF(CMAKE_Fortran_COMPILER_INIT) + SET(CMAKE_Fortran_COMPILER_LIST ${CMAKE_Fortran_COMPILER_INIT}) + ELSE(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) + + # Prefer vendors matching the C and C++ compilers. + SET(CMAKE_Fortran_COMPILER_LIST + ${_Fortran_COMPILER_NAMES_${CMAKE_C_COMPILER_ID}} + ${_Fortran_COMPILER_NAMES_${CMAKE_CXX_COMPILER_ID}} + ${CMAKE_Fortran_COMPILER_LIST}) + LIST(REMOVE_DUPLICATES CMAKE_Fortran_COMPILER_LIST) + ENDIF(CMAKE_Fortran_COMPILER_INIT) + + # Look for directories containing the C and C++ compilers. + SET(_Fortran_COMPILER_HINTS) + FOREACH(lang C CXX) + IF(CMAKE_${lang}_COMPILER AND IS_ABSOLUTE "${CMAKE_${lang}_COMPILER}") + GET_FILENAME_COMPONENT(_hint "${CMAKE_${lang}_COMPILER}" PATH) + IF(IS_DIRECTORY "${_hint}") + LIST(APPEND _Fortran_COMPILER_HINTS "${_hint}") + ENDIF() + SET(_hint) + ENDIF() + ENDFOREACH() + + # Find the compiler. + IF(_Fortran_COMPILER_HINTS) + # Prefer directories containing C and C++ compilers. + LIST(REMOVE_DUPLICATES _Fortran_COMPILER_HINTS) + FIND_PROGRAM(CMAKE_Fortran_COMPILER + NAMES ${CMAKE_Fortran_COMPILER_LIST} + PATHS ${_Fortran_COMPILER_HINTS} + NO_DEFAULT_PATH + DOC "Fortran compiler") + ENDIF() + FIND_PROGRAM(CMAKE_Fortran_COMPILER NAMES ${CMAKE_Fortran_COMPILER_LIST} DOC "Fortran compiler") + IF(CMAKE_Fortran_COMPILER_INIT AND NOT CMAKE_Fortran_COMPILER) + SET(CMAKE_Fortran_COMPILER "${CMAKE_Fortran_COMPILER_INIT}" CACHE FILEPATH "Fortran compiler" FORCE) + ENDIF(CMAKE_Fortran_COMPILER_INIT AND NOT CMAKE_Fortran_COMPILER) +ELSE(NOT CMAKE_Fortran_COMPILER) + # 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("${_CMAKE_Fortran_COMPILER_LIST_LENGTH}" EQUAL 2) + LIST(GET CMAKE_Fortran_COMPILER 1 CMAKE_Fortran_COMPILER_ARG1) + LIST(GET CMAKE_Fortran_COMPILER 0 CMAKE_Fortran_COMPILER) + ENDIF("${_CMAKE_Fortran_COMPILER_LIST_LENGTH}" EQUAL 2) + + # 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 ${CMAKE_Fortran_COMPILER_WITH_PATH} + CACHE STRING "Fortran compiler" FORCE) + ENDIF(CMAKE_Fortran_COMPILER_WITH_PATH) + ENDIF(NOT _CMAKE_USER_Fortran_COMPILER_PATH) +ENDIF(NOT CMAKE_Fortran_COMPILER) + +MARK_AS_ADVANCED(CMAKE_Fortran_COMPILER) + +# Build a small source file to identify the compiler. +IF(${CMAKE_GENERATOR} MATCHES "Visual Studio") + SET(CMAKE_Fortran_COMPILER_ID_RUN 1) + SET(CMAKE_Fortran_PLATFORM_ID "Windows") + SET(CMAKE_Fortran_COMPILER_ID "Intel") +ENDIF(${CMAKE_GENERATOR} MATCHES "Visual Studio") + +IF(NOT CMAKE_Fortran_COMPILER_ID_RUN) + SET(CMAKE_Fortran_COMPILER_ID_RUN 1) + + # Each entry in this list is a set of extra flags to try + # adding to the compile line to see if it helps produce + # a valid identification executable. + SET(CMAKE_Fortran_COMPILER_ID_TEST_FLAGS + # Try compiling to an object file only. + "-c" + + # Intel on windows does not preprocess by default. + "-fpp" + ) + + # Table of per-vendor compiler id flags with expected output. + LIST(APPEND CMAKE_Fortran_COMPILER_ID_VENDORS Compaq) + SET(CMAKE_Fortran_COMPILER_ID_VENDOR_FLAGS_Compaq "-what") + SET(CMAKE_Fortran_COMPILER_ID_VENDOR_REGEX_Compaq "Compaq Visual Fortran") + LIST(APPEND CMAKE_Fortran_COMPILER_ID_VENDORS NAG) # Numerical Algorithms Group + SET(CMAKE_Fortran_COMPILER_ID_VENDOR_FLAGS_NAG "-V") + SET(CMAKE_Fortran_COMPILER_ID_VENDOR_REGEX_NAG "NAG Fortran Compiler") + + # Try to identify the compiler. + SET(CMAKE_Fortran_COMPILER_ID) + INCLUDE(${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${CMAKE_COMPILER_OUTPUT}\n\n") + ELSE("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" ) + FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Determining if the Fortran compiler is GNU failed with " + "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n") + ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" ) + IF(NOT CMAKE_Fortran_PLATFORM_ID) + IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_MINGW.*" ) + SET(CMAKE_Fortran_PLATFORM_ID "MinGW") + ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_MINGW.*" ) + IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" ) + SET(CMAKE_Fortran_PLATFORM_ID "Cygwin") + ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" ) + ENDIF(NOT CMAKE_Fortran_PLATFORM_ID) + ENDIF(NOT CMAKE_COMPILER_RETURN) + ENDIF(NOT CMAKE_Fortran_COMPILER_ID) + + # Set old compiler and platform id variables. + IF("${CMAKE_Fortran_COMPILER_ID}" MATCHES "GNU") + SET(CMAKE_COMPILER_IS_GNUG77 1) + ENDIF("${CMAKE_Fortran_COMPILER_ID}" MATCHES "GNU") + 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("${CMAKE_Fortran_PLATFORM_ID}" MATCHES "MinGW") +ENDIF(NOT CMAKE_Fortran_COMPILER_ID_RUN) + +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") |