CheckFortran.cmake 2.36 KB
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# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
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if(NOT DEFINED CMAKE_Fortran_COMPILER)
  set(_desc "Looking for a Fortran compiler")
  message(STATUS ${_desc})
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  file(REMOVE_RECURSE ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CheckFortran)
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  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CheckFortran/CMakeLists.txt"
    "cmake_minimum_required(VERSION 2.4)
project(CheckFortran Fortran)
file(WRITE \"\${CMAKE_CURRENT_BINARY_DIR}/result.cmake\"
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  \"set(CMAKE_Fortran_COMPILER \\\"\${CMAKE_Fortran_COMPILER}\\\")\\n\"
  \"set(CMAKE_Fortran_FLAGS \\\"\${CMAKE_Fortran_FLAGS}\\\")\\n\"
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  \"set(CMAKE_Fortran_COMPILER_SUPPORTS_F90 \\\"\${CMAKE_Fortran_COMPILER_SUPPORTS_F90}\\\")\\n\"
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  )
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")
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  if(CMAKE_GENERATOR_INSTANCE)
    set(_D_CMAKE_GENERATOR_INSTANCE "-DCMAKE_GENERATOR_INSTANCE:INTERNAL=${CMAKE_GENERATOR_INSTANCE}")
  else()
    set(_D_CMAKE_GENERATOR_INSTANCE "")
  endif()
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  execute_process(
    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CheckFortran
    COMMAND ${CMAKE_COMMAND} . -G ${CMAKE_GENERATOR}
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                               -A "${CMAKE_GENERATOR_PLATFORM}"
                               -T "${CMAKE_GENERATOR_TOOLSET}"
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                               ${_D_CMAKE_GENERATOR_INSTANCE}
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    TIMEOUT 60
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    OUTPUT_VARIABLE output
    ERROR_VARIABLE output
    RESULT_VARIABLE result
    )
  include(${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CheckFortran/result.cmake OPTIONAL)
  if(CMAKE_Fortran_COMPILER AND "${result}" STREQUAL "0")
    file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
      "${_desc} passed with the following output:\n"
      "${output}\n")
  else()
    set(CMAKE_Fortran_COMPILER NOTFOUND)
    file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
      "${_desc} failed with the following output:\n"
      "${output}\n")
  endif()
  message(STATUS "${_desc} - ${CMAKE_Fortran_COMPILER}")
  set(CMAKE_Fortran_COMPILER "${CMAKE_Fortran_COMPILER}" CACHE FILEPATH "Fortran compiler")
  mark_as_advanced(CMAKE_Fortran_COMPILER)
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  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}" CACHE STRING "Fortran flags")
  mark_as_advanced(CMAKE_Fortran_FLAGS)
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  set(CMAKE_Fortran_COMPILER_SUPPORTS_F90 "${CMAKE_Fortran_COMPILER_SUPPORTS_F90}" CACHE BOOL "Fortran compiler supports F90")
  mark_as_advanced(CMAKE_Fortran_COMPILER_SUPPORTS_F90)
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endif()