246 lines
9.9 KiB
CMake
246 lines
9.9 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(${CMAKE_GENERATOR} MATCHES "Visual Studio")
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elseif("${CMAKE_GENERATOR}" MATCHES "Xcode")
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set(CMAKE_Fortran_COMPILER_XCODE_TYPE sourcecode.fortran.f90)
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_cmake_find_compiler_path(Fortran)
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else()
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if(NOT CMAKE_Fortran_COMPILER)
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# prefer the environment variable CC
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if(NOT $ENV{FC} STREQUAL "")
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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()
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if(EXISTS ${CMAKE_Fortran_COMPILER_INIT})
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else()
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message(FATAL_ERROR "Could not find compiler set in environment variable FC:\n$ENV{FC}.")
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endif()
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endif()
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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()
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endif()
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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()
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_cmake_find_compiler_path(Fortran)
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endif()
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mark_as_advanced(CMAKE_Fortran_COMPILER)
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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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endif()
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# Build a small source file to identify the compiler.
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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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# 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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set(_version_info "")
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foreach(m MAJOR MINOR PATCH TWEAK)
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set(_COMP "_${m}")
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set(_version_info "${_version_info}
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#if defined(COMPILER_VERSION${_COMP})")
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foreach(d 1 2 3 4 5 6 7 8)
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set(_version_info "${_version_info}
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# undef DEC
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# undef HEX
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# define DEC(n) DEC_${d}(n)
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# define HEX(n) HEX_${d}(n)
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# if COMPILER_VERSION${_COMP} == 0
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[0]'
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# elif COMPILER_VERSION${_COMP} == 1
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[1]'
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# elif COMPILER_VERSION${_COMP} == 2
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[2]'
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# elif COMPILER_VERSION${_COMP} == 3
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[3]'
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# elif COMPILER_VERSION${_COMP} == 4
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[4]'
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# elif COMPILER_VERSION${_COMP} == 5
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[5]'
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# elif COMPILER_VERSION${_COMP} == 6
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[6]'
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# elif COMPILER_VERSION${_COMP} == 7
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[7]'
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# elif COMPILER_VERSION${_COMP} == 8
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[8]'
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# elif COMPILER_VERSION${_COMP} == 9
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PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[9]'
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# endif
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")
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endforeach()
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set(_version_info "${_version_info}
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#endif")
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endforeach()
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set(CMAKE_Fortran_COMPILER_ID_VERSION_INFO "${_version_info}")
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unset(_version_info)
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unset(_COMP)
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# Try to identify the compiler.
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set(CMAKE_Fortran_COMPILER_ID)
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include(${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()
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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${CMAKE_COMPILER_OUTPUT}\n\n")
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endif()
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if(NOT CMAKE_Fortran_PLATFORM_ID)
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if("${CMAKE_COMPILER_OUTPUT}" MATCHES "THIS_IS_MINGW")
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set(CMAKE_Fortran_PLATFORM_ID "MinGW")
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endif()
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if("${CMAKE_COMPILER_OUTPUT}" MATCHES "THIS_IS_CYGWIN")
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set(CMAKE_Fortran_PLATFORM_ID "Cygwin")
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endif()
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endif()
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endif()
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endif()
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# Set old compiler and platform id variables.
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if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
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set(CMAKE_COMPILER_IS_GNUG77 1)
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endif()
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if(CMAKE_Fortran_PLATFORM_ID MATCHES "MinGW")
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set(CMAKE_COMPILER_IS_MINGW 1)
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elseif(CMAKE_Fortran_PLATFORM_ID MATCHES "Cygwin")
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set(CMAKE_COMPILER_IS_CYGWIN 1)
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endif()
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endif()
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if (NOT _CMAKE_TOOLCHAIN_LOCATION)
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get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_Fortran_COMPILER}" PATH)
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endif ()
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# if we have a fortran cross compiler, they have usually some prefix, like
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# e.g. powerpc-linux-gfortran, arm-elf-gfortran or i586-mingw32msvc-gfortran , optionally
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# with a 3-component version number at the end (e.g. arm-eabi-gcc-4.5.2).
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# The other tools of the toolchain usually have the same prefix
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# NAME_WE cannot be used since then this test will fail for names like
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# "arm-unknown-nto-qnx6.3.0-gcc.exe", where BASENAME would be
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# "arm-unknown-nto-qnx6" instead of the correct "arm-unknown-nto-qnx6.3.0-"
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if (CMAKE_CROSSCOMPILING AND NOT _CMAKE_TOOLCHAIN_PREFIX)
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if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
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get_filename_component(COMPILER_BASENAME "${CMAKE_Fortran_COMPILER}" NAME)
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if (COMPILER_BASENAME MATCHES "^(.+-)g?fortran(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
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set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
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endif ()
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# if "llvm-" is part of the prefix, remove it, since llvm doesn't have its own binutils
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# but uses the regular ar, objcopy, etc. (instead of llvm-objcopy etc.)
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if ("${_CMAKE_TOOLCHAIN_PREFIX}" MATCHES "(.+-)?llvm-$")
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set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
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endif ()
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endif()
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endif ()
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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_PLATFORM_INFO_DIR}/CMakeFortranCompiler.cmake
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@ONLY
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)
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set(CMAKE_Fortran_COMPILER_ENV_VAR "FC")
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