2021-07-25 09:55:31 +00:00
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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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}-Determine-Fortran OPTIONAL)
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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 "Arguments 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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# ftn: Cray fortran compiler wrapper
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# gfortran: putative GNU Fortran 95+ compiler (in progress)
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2023-01-10 14:42:48 +00:00
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# frt: Fujitsu Fortran compiler
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2021-07-25 09:55:31 +00:00
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# pathf90/pathf95/pathf2003: PathScale Fortran compiler
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2023-01-10 14:42:48 +00:00
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# pgfortran: Portland Group Fortran compilers
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# nvfortran: NVHPC Fotran compiler
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2021-07-25 09:55:31 +00:00
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# flang: Flang Fortran compiler
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2023-01-10 14:42:48 +00:00
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# xlf: IBM (AIX) Fortran compiler
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2021-07-25 09:55:31 +00:00
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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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# ifx: Intel Fortran LLVM-based compiler
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# ifort: Intel Classic Fortran compiler
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# nagfor: NAG Fortran compiler
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#
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2023-01-10 14:42:48 +00:00
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# GNU is last to be searched,
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2021-07-25 09:55:31 +00:00
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# so if you paid for a compiler it is picked by default.
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2023-01-10 14:42:48 +00:00
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set(CMAKE_Fortran_COMPILER_LIST
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ftn
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ifx ifort nvfortran pgfortran lf95 xlf fort
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flang lfortran frt nagfor
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gfortran
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)
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2021-07-25 09:55:31 +00:00
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# Vendor-specific compiler names.
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2023-01-10 14:42:48 +00:00
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set(_Fortran_COMPILER_NAMES_LCC lfortran gfortran)
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set(_Fortran_COMPILER_NAMES_GNU gfortran)
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2021-07-25 09:55:31 +00:00
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set(_Fortran_COMPILER_NAMES_Intel ifort ifc efc ifx)
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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_Flang flang)
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2023-01-10 14:42:48 +00:00
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set(_Fortran_COMPILER_NAMES_LLVMFlang flang)
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2021-07-25 09:55:31 +00:00
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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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set(_Fortran_COMPILER_NAMES_NAG nagfor)
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2023-01-10 14:42:48 +00:00
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set(_Fortran_COMPILER_NAMES_NVHPC nvfortran)
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2021-07-25 09:55:31 +00:00
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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_FIRST
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# Get verbose output to help distinguish compilers.
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"-v"
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)
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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 output regular expressions.
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list(APPEND CMAKE_Fortran_COMPILER_ID_MATCH_VENDORS CCur)
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set(CMAKE_Fortran_COMPILER_ID_MATCH_VENDOR_REGEX_CCur "Concurrent Fortran [0-9]+ Compiler")
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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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# Match the link line from xcodebuild output of the form
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# Ld ...
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# ...
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# /path/to/cc ...CompilerIdFortran/...
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# to extract the compiler front-end for the language.
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set(CMAKE_Fortran_COMPILER_ID_TOOL_MATCH_REGEX "\nLd[^\n]*(\n[ \t]+[^\n]*)*\n[ \t]+([^ \t\r\n]+)[^\r\n]*-o[^\r\n]*CompilerIdFortran/(\\./)?(CompilerIdFortran.xctest/)?CompilerIdFortran[ \t\n\\\"]")
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set(CMAKE_Fortran_COMPILER_ID_TOOL_MATCH_INDEX 2)
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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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string(APPEND _version_info "
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#if defined(COMPILER_VERSION${_COMP})")
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foreach(d 1 2 3 4 5 6 7 8)
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string(APPEND _version_info "
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# undef DEC
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# undef HEX
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# define DEC(n) DEC_${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_${d}[9]'
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# endif
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")
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endforeach()
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string(APPEND _version_info "
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#endif")
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endforeach()
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set(CMAKE_Fortran_COMPILER_ID_VERSION_INFO "${_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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_cmake_find_compiler_sysroot(Fortran)
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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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execute_process(COMMAND ${CMAKE_Fortran_COMPILER} ${CMAKE_Fortran_COMPILER_ID_FLAGS_LIST} -E "${CMAKE_ROOT}/Modules/CMakeTestGNU.c"
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OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RESULT_VARIABLE 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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# Fall back for GNU MINGW, which is not always detected correctly
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# (__MINGW32__ is defined for the C language, but perhaps not for Fortran!)
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if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU" AND NOT CMAKE_Fortran_PLATFORM_ID)
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execute_process(COMMAND ${CMAKE_Fortran_COMPILER} ${CMAKE_Fortran_COMPILER_ID_FLAGS_LIST} -E "${CMAKE_ROOT}/Modules/CMakeTestGNU.c"
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OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RESULT_VARIABLE CMAKE_COMPILER_RETURN)
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if(NOT CMAKE_COMPILER_RETURN)
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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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# 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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endif()
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if (NOT _CMAKE_TOOLCHAIN_LOCATION)
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get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_Fortran_COMPILER}" PATH)
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endif ()
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# if we have a fortran cross compiler, they have usually some prefix, like
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# e.g. powerpc-linux-gfortran, arm-elf-gfortran or i586-mingw32msvc-gfortran , optionally
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# with a 3-component version number at the end (e.g. arm-eabi-gcc-4.5.2).
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# The other tools of the toolchain usually have the same prefix
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# NAME_WE cannot be used since then this test will fail for names like
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# "arm-unknown-nto-qnx6.3.0-gcc.exe", where BASENAME would be
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# "arm-unknown-nto-qnx6" instead of the correct "arm-unknown-nto-qnx6.3.0-"
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if (NOT _CMAKE_TOOLCHAIN_PREFIX)
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if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
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get_filename_component(COMPILER_BASENAME "${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 ${CMAKE_MATCH_1})
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endif ()
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endif()
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endif ()
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set(_CMAKE_PROCESSING_LANGUAGE "Fortran")
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include(CMakeFindBinUtils)
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include(Compiler/${CMAKE_Fortran_COMPILER_ID}-FindBinUtils OPTIONAL)
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unset(_CMAKE_PROCESSING_LANGUAGE)
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if(CMAKE_Fortran_XL_CPP)
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set(_SET_CMAKE_Fortran_XL_CPP
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"set(CMAKE_Fortran_XL_CPP \"${CMAKE_Fortran_XL_CPP}\")")
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endif()
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if(CMAKE_Fortran_COMPILER_SYSROOT)
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string(CONCAT _SET_CMAKE_Fortran_COMPILER_SYSROOT
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"set(CMAKE_Fortran_COMPILER_SYSROOT \"${CMAKE_Fortran_COMPILER_SYSROOT}\")\n"
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"set(CMAKE_COMPILER_SYSROOT \"${CMAKE_Fortran_COMPILER_SYSROOT}\")")
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else()
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set(_SET_CMAKE_Fortran_COMPILER_SYSROOT "")
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endif()
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if(CMAKE_Fortran_COMPILER_ARCHITECTURE_ID)
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set(_SET_CMAKE_Fortran_COMPILER_ARCHITECTURE_ID
|
|
|
|
|
"set(CMAKE_Fortran_COMPILER_ARCHITECTURE_ID ${CMAKE_Fortran_COMPILER_ARCHITECTURE_ID})")
|
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|
|
else()
|
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|
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set(_SET_CMAKE_Fortran_COMPILER_ARCHITECTURE_ID "")
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endif()
|
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|
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|
|
if(MSVC_Fortran_ARCHITECTURE_ID)
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|
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|
set(SET_MSVC_Fortran_ARCHITECTURE_ID
|
|
|
|
|
"set(MSVC_Fortran_ARCHITECTURE_ID ${MSVC_Fortran_ARCHITECTURE_ID})")
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|
|
|
endif()
|
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|
|
# configure variables set in this file for fast reload later on
|
|
|
|
|
configure_file(${CMAKE_ROOT}/Modules/CMakeFortranCompiler.cmake.in
|
|
|
|
|
${CMAKE_PLATFORM_INFO_DIR}/CMakeFortranCompiler.cmake
|
|
|
|
|
@ONLY
|
|
|
|
|
)
|
|
|
|
|
set(CMAKE_Fortran_COMPILER_ENV_VAR "FC")
|
