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