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#=============================================================================
# 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: 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 efc f95 pathf2003 pathf95 pgf95 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_PGI pgf95 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")
# TODO: Set the compiler id. It is probably MSVC but
# the user may be using an integrated Intel compiler.
# SET(CMAKE_Fortran_COMPILER_ID "MSVC")
ENDIF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
IF(NOT CMAKE_Fortran_COMPILER_ID_RUN)
SET(CMAKE_Fortran_COMPILER_ID_RUN 1)
# Each entry in this list is a set of extra flags to try
# adding to the compile line to see if it helps produce
# a valid identification executable.
SET(CMAKE_Fortran_COMPILER_ID_TEST_FLAGS
# Try compiling to an object file only.
"-c"
# Intel on windows does not preprocess by default.
"-fpp"
)
# Table of per-vendor compiler id flags with expected output.
LIST(APPEND CMAKE_Fortran_COMPILER_ID_VENDORS Compaq)
SET(CMAKE_Fortran_COMPILER_ID_VENDOR_FLAGS_Compaq "-what")
SET(CMAKE_Fortran_COMPILER_ID_VENDOR_REGEX_Compaq "Compaq Visual Fortran")
# Try to identify the compiler.
SET(CMAKE_Fortran_COMPILER_ID)
INCLUDE(${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("${CMAKE_Fortran_PLATFORM_ID}" MATCHES "MinGW")
ENDIF(NOT CMAKE_Fortran_COMPILER_ID_RUN)
INCLUDE(CMakeFindBinUtils)
# configure variables set in this file for fast reload later on
CONFIGURE_FILE(${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")
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