CMake/Modules/CMakeTestFortranCompiler.cmake

67 lines
3.3 KiB
CMake

# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that that selected Fortran compiler can actually compile
# 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}/CMakeFiles/CMakeTmp/testFortranCompiler.f "
PROGRAM TESTFortran
PRINT *, 'Hello'
END
")
TRY_COMPILE(CMAKE_Fortran_COMPILER_WORKS ${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/testFortranCompiler.f
OUTPUT_VARIABLE OUTPUT)
SET(FORTRAN_TEST_WAS_RUN 1)
ENDIF(NOT CMAKE_Fortran_COMPILER_WORKS)
IF(NOT CMAKE_Fortran_COMPILER_WORKS)
MESSAGE(STATUS "Check for working Fortran compiler: ${CMAKE_Fortran_COMPILER} -- broken")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
"Determining if the Fortran compiler works failed with "
"the following output:\n${OUTPUT}\n\n")
MESSAGE(FATAL_ERROR "The Fortran compiler \"${CMAKE_Fortran_COMPILER}\" "
"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)
IF(FORTRAN_TEST_WAS_RUN)
MESSAGE(STATUS "Check for working Fortran compiler: ${CMAKE_Fortran_COMPILER} -- works")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
"Determining if the Fortran compiler works passed with "
"the following output:\n${OUTPUT}\n\n")
ENDIF(FORTRAN_TEST_WAS_RUN)
SET(CMAKE_Fortran_COMPILER_WORKS 1 CACHE INTERNAL "")
ENDIF(NOT CMAKE_Fortran_COMPILER_WORKS)
IF(CMAKE_Fortran_COMPILER_WORKS)
# Test for Fortran 90 support by using an f90-specific construct.
IF(DEFINED CMAKE_Fortran_COMPILER_SUPPORTS_F90)
ELSE(DEFINED CMAKE_Fortran_COMPILER_SUPPORTS_F90)
MESSAGE(STATUS "Checking whether ${CMAKE_Fortran_COMPILER} supports Fortran 90")
FILE(WRITE ${CMAKE_BINARY_DIR}/CMakeFiles/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}/CMakeFiles/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 ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
"Determining if the Fortran compiler supports Fortran 90 passed with "
"the following output:\n${OUTPUT}\n\n")
SET(CMAKE_Fortran_COMPILER_SUPPORTS_F90 1 CACHE INTERNAL "")
ELSE(CMAKE_Fortran_COMPILER_SUPPORTS_F90)
MESSAGE(STATUS "Checking whether ${CMAKE_Fortran_COMPILER} supports Fortran 90 -- no")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
"Determining if the Fortran compiler supports Fortran 90 failed with "
"the following output:\n${OUTPUT}\n\n")
SET(CMAKE_Fortran_COMPILER_SUPPORTS_F90 0 CACHE INTERNAL "")
ENDIF(CMAKE_Fortran_COMPILER_SUPPORTS_F90)
ENDIF(DEFINED CMAKE_Fortran_COMPILER_SUPPORTS_F90)
ENDIF(CMAKE_Fortran_COMPILER_WORKS)