CMake/Modules/CMakeTestFortranCompiler.cmake

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#=============================================================================
# Copyright 2004-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distributed this file outside of CMake, substitute the full
# License text for the above reference.)
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# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that that selected Fortran compiler can actually compile
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# and link the most basic of programs. If not, a fatal error
# is set and cmake stops processing commands and will not generate
# any makefiles or projects.
IF(NOT CMAKE_Fortran_COMPILER_WORKS)
MESSAGE(STATUS "Check for working Fortran compiler: ${CMAKE_Fortran_COMPILER}")
FILE(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f "
PROGRAM TESTFortran
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PRINT *, 'Hello'
END
")
TRY_COMPILE(CMAKE_Fortran_COMPILER_WORKS ${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f
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OUTPUT_VARIABLE OUTPUT)
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SET(FORTRAN_TEST_WAS_RUN 1)
ENDIF(NOT CMAKE_Fortran_COMPILER_WORKS)
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IF(NOT CMAKE_Fortran_COMPILER_WORKS)
MESSAGE(STATUS "Check for working Fortran compiler: ${CMAKE_Fortran_COMPILER} -- broken")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if the Fortran compiler works failed with "
"the following output:\n${OUTPUT}\n\n")
MESSAGE(FATAL_ERROR "The Fortran compiler \"${CMAKE_Fortran_COMPILER}\" "
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"is not able to compile a simple test program.\nIt fails "
"with the following output:\n ${OUTPUT}\n\n"
"CMake will not be able to correctly generate this project.")
ELSE(NOT CMAKE_Fortran_COMPILER_WORKS)
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IF(FORTRAN_TEST_WAS_RUN)
MESSAGE(STATUS "Check for working Fortran compiler: ${CMAKE_Fortran_COMPILER} -- works")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if the Fortran compiler works passed with "
"the following output:\n${OUTPUT}\n\n")
ENDIF(FORTRAN_TEST_WAS_RUN)
SET(CMAKE_Fortran_COMPILER_WORKS 1 CACHE INTERNAL "")
IF(CMAKE_Fortran_COMPILER_FORCED)
# The compiler configuration was forced by the user.
# Assume the user has configured all compiler information.
ELSE(CMAKE_Fortran_COMPILER_FORCED)
# Try to identify the ABI and configure it into CMakeFortranCompiler.cmake
INCLUDE(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerABI.cmake)
CMAKE_DETERMINE_COMPILER_ABI(Fortran ${CMAKE_ROOT}/Modules/CMakeFortranCompilerABI.F)
# Test for Fortran 90 support by using an f90-specific construct.
IF(NOT DEFINED CMAKE_Fortran_COMPILER_SUPPORTS_F90)
MESSAGE(STATUS "Checking whether ${CMAKE_Fortran_COMPILER} supports Fortran 90")
FILE(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompilerF90.f90 "
PROGRAM TESTFortran90
stop = 1 ; do while ( stop .eq. 0 ) ; end do
END PROGRAM TESTFortran90
")
TRY_COMPILE(CMAKE_Fortran_COMPILER_SUPPORTS_F90 ${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompilerF90.f90
OUTPUT_VARIABLE OUTPUT)
IF(CMAKE_Fortran_COMPILER_SUPPORTS_F90)
MESSAGE(STATUS "Checking whether ${CMAKE_Fortran_COMPILER} supports Fortran 90 -- yes")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the Fortran compiler supports Fortran 90 passed with "
"the following output:\n${OUTPUT}\n\n")
SET(CMAKE_Fortran_COMPILER_SUPPORTS_F90 1)
ELSE(CMAKE_Fortran_COMPILER_SUPPORTS_F90)
MESSAGE(STATUS "Checking whether ${CMAKE_Fortran_COMPILER} supports Fortran 90 -- no")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the Fortran compiler supports Fortran 90 failed with "
"the following output:\n${OUTPUT}\n\n")
SET(CMAKE_Fortran_COMPILER_SUPPORTS_F90 0)
ENDIF(CMAKE_Fortran_COMPILER_SUPPORTS_F90)
UNSET(CMAKE_Fortran_COMPILER_SUPPORTS_F90 CACHE)
ENDIF(NOT DEFINED CMAKE_Fortran_COMPILER_SUPPORTS_F90)
CONFIGURE_FILE(
${CMAKE_ROOT}/Modules/CMakeFortranCompiler.cmake.in
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeFortranCompiler.cmake
@ONLY IMMEDIATE # IMMEDIATE must be here for compatibility mode <= 2.0
)
ENDIF(CMAKE_Fortran_COMPILER_FORCED)
ENDIF(NOT CMAKE_Fortran_COMPILER_WORKS)