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103 lines
4.2 KiB
CMake
103 lines
4.2 KiB
CMake
# 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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if(CMAKE_Fortran_COMPILER_FORCED)
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# The compiler configuration was forced by the user.
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# Assume the user has configured all compiler information.
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set(CMAKE_Fortran_COMPILER_WORKS TRUE)
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return()
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endif()
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include(CMakeTestCompilerCommon)
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# Remove any cached result from an older CMake version.
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# We now store this in CMakeFortranCompiler.cmake.
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unset(CMAKE_Fortran_COMPILER_WORKS CACHE)
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# This file is used by EnableLanguage in cmGlobalGenerator to
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# determine that the selected Fortran compiler can actually compile
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# and link the most basic of programs. If not, a fatal error
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# is set and cmake stops processing commands and will not generate
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# any makefiles or projects.
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if(NOT CMAKE_Fortran_COMPILER_WORKS)
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PrintTestCompilerStatus("Fortran")
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file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f "
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PROGRAM TESTFortran
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PRINT *, 'Hello'
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END
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")
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try_compile(CMAKE_Fortran_COMPILER_WORKS ${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f
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OUTPUT_VARIABLE OUTPUT)
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# Move result from cache to normal variable.
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set(CMAKE_Fortran_COMPILER_WORKS ${CMAKE_Fortran_COMPILER_WORKS})
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unset(CMAKE_Fortran_COMPILER_WORKS CACHE)
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set(FORTRAN_TEST_WAS_RUN 1)
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endif()
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if(NOT CMAKE_Fortran_COMPILER_WORKS)
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PrintTestCompilerResult(CHECK_FAIL "broken")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if the Fortran compiler works failed with "
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"the following output:\n${OUTPUT}\n\n")
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string(REPLACE "\n" "\n " _output "${OUTPUT}")
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message(FATAL_ERROR "The Fortran compiler\n \"${CMAKE_Fortran_COMPILER}\"\n"
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"is not able to compile a simple test program.\nIt fails "
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"with the following output:\n ${_output}\n\n"
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"CMake will not be able to correctly generate this project.")
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else()
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if(FORTRAN_TEST_WAS_RUN)
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PrintTestCompilerResult(CHECK_PASS "works")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if the Fortran compiler works passed with "
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"the following output:\n${OUTPUT}\n\n")
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endif()
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# Try to identify the ABI and configure it into CMakeFortranCompiler.cmake
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include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerABI.cmake)
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CMAKE_DETERMINE_COMPILER_ABI(Fortran ${CMAKE_ROOT}/Modules/CMakeFortranCompilerABI.F)
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# Test for Fortran 90 support by using an f90-specific construct.
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if(NOT DEFINED CMAKE_Fortran_COMPILER_SUPPORTS_F90)
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message(CHECK_START "Checking whether ${CMAKE_Fortran_COMPILER} supports Fortran 90")
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file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompilerF90.f90 "
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PROGRAM TESTFortran90
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integer stop ; stop = 1 ; do while ( stop .eq. 0 ) ; end do
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END PROGRAM TESTFortran90
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")
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try_compile(CMAKE_Fortran_COMPILER_SUPPORTS_F90 ${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompilerF90.f90
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OUTPUT_VARIABLE OUTPUT)
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if(CMAKE_Fortran_COMPILER_SUPPORTS_F90)
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message(CHECK_PASS "yes")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if the Fortran compiler supports Fortran 90 passed with "
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"the following output:\n${OUTPUT}\n\n")
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set(CMAKE_Fortran_COMPILER_SUPPORTS_F90 1)
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else()
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message(CHECK_FAIL "no")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if the Fortran compiler supports Fortran 90 failed with "
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"the following output:\n${OUTPUT}\n\n")
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set(CMAKE_Fortran_COMPILER_SUPPORTS_F90 0)
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endif()
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unset(CMAKE_Fortran_COMPILER_SUPPORTS_F90 CACHE)
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endif()
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# Re-configure to save learned information.
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configure_file(
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${CMAKE_ROOT}/Modules/CMakeFortranCompiler.cmake.in
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${CMAKE_PLATFORM_INFO_DIR}/CMakeFortranCompiler.cmake
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@ONLY
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)
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include(${CMAKE_PLATFORM_INFO_DIR}/CMakeFortranCompiler.cmake)
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if(CMAKE_Fortran_SIZEOF_DATA_PTR)
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foreach(f ${CMAKE_Fortran_ABI_FILES})
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include(${f})
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endforeach()
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unset(CMAKE_Fortran_ABI_FILES)
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endif()
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endif()
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