mirror of
https://github.com/HDFGroup/hdf5.git
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136 lines
4.9 KiB
CMake
136 lines
4.9 KiB
CMake
#
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# This file provides functions for Fortran support.
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#
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#-------------------------------------------------------------------------------
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ENABLE_LANGUAGE (Fortran)
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#-----------------------------------------------------------------------------
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# Detect name mangling convention used between Fortran and C
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#-----------------------------------------------------------------------------
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INCLUDE (FortranCInterface)
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FortranCInterface_HEADER (
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${CMAKE_BINARY_DIR}/FCMangle.h
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MACRO_NAMESPACE "H5_FC_"
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SYMBOL_NAMESPACE "H5_FC_"
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SYMBOLS mysub mymod:my_sub
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)
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FILE (STRINGS ${CMAKE_BINARY_DIR}/FCMangle.h CONTENTS REGEX "H5_FC_GLOBAL\\(.*,.*\\) +(.*)")
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STRING (REGEX MATCH "H5_FC_GLOBAL\\(.*,.*\\) +(.*)" RESULT ${CONTENTS})
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SET (H5_FC_FUNC "H5_FC_FUNC(name,NAME) ${CMAKE_MATCH_1}")
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FILE (STRINGS ${CMAKE_BINARY_DIR}/FCMangle.h CONTENTS REGEX "H5_FC_GLOBAL_\\(.*,.*\\) +(.*)")
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STRING (REGEX MATCH "H5_FC_GLOBAL_\\(.*,.*\\) +(.*)" RESULT ${CONTENTS})
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SET (H5_FC_FUNC_ "H5_FC_FUNC_(name,NAME) ${CMAKE_MATCH_1}")
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#-----------------------------------------------------------------------------
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# The provided CMake Fortran macros don't provide a general check function
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# so this one is used for a sizeof test.
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#-----------------------------------------------------------------------------
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MACRO (CHECK_FORTRAN_FEATURE FUNCTION CODE VARIABLE)
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IF (NOT DEFINED ${VARIABLE})
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MESSAGE (STATUS "Testing Fortran ${FUNCTION}")
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IF (CMAKE_REQUIRED_LIBRARIES)
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SET (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
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"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
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ELSE (CMAKE_REQUIRED_LIBRARIES)
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SET (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
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ENDIF (CMAKE_REQUIRED_LIBRARIES)
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FILE (WRITE
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f
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"${CODE}"
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)
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TRY_COMPILE (${VARIABLE}
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${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f
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CMAKE_FLAGS "${CHECK_FUNCTION_EXISTS_ADD_LIBRARIES}"
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OUTPUT_VARIABLE OUTPUT
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)
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# MESSAGE ( "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
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# MESSAGE ( "Test result ${OUTPUT}")
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# MESSAGE ( "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
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IF (${VARIABLE})
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SET (${VARIABLE} 1 CACHE INTERNAL "Have Fortran function ${FUNCTION}")
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MESSAGE (STATUS "Testing Fortran ${FUNCTION} - OK")
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FILE (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if the Fortran ${FUNCTION} exists passed with the following output:\n"
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"${OUTPUT}\n\n"
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)
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ELSE (${VARIABLE})
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MESSAGE (STATUS "Testing Fortran ${FUNCTION} - Fail")
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SET (${VARIABLE} "" CACHE INTERNAL "Have Fortran function ${FUNCTION}")
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FILE (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if the Fortran ${FUNCTION} exists failed with the following output:\n"
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"${OUTPUT}\n\n")
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ENDIF (${VARIABLE})
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ENDIF (NOT DEFINED ${VARIABLE})
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ENDMACRO (CHECK_FORTRAN_FEATURE)
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#-----------------------------------------------------------------------------
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# Configure Checks which require Fortran compilation must go in here
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# not in the main ConfigureChecks.cmake files, because if the user has
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# no Fortran compiler, problems arise.
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#
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# Be careful with leading spaces here, do not remove them.
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#-----------------------------------------------------------------------------
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CHECK_FORTRAN_FEATURE(sizeof
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"
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PROGRAM main
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i = sizeof(x)
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END PROGRAM
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"
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FORTRAN_HAVE_SIZEOF
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)
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CHECK_FORTRAN_FEATURE(RealIsNotDouble
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"
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MODULE type_mod
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INTERFACE h5t
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MODULE PROCEDURE h5t_real
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MODULE PROCEDURE h5t_dble
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END INTERFACE
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CONTAINS
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SUBROUTINE h5t_real(r)
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REAL :: r
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END SUBROUTINE h5t_real
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SUBROUTINE h5t_dble(d)
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DOUBLE PRECISION :: d
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END SUBROUTINE h5t_dble
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END MODULE type_mod
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PROGRAM main
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USE type_mod
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REAL :: r
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DOUBLE PRECISION :: d
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CALL h5t(r)
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CALL h5t(d)
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END PROGRAM main
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"
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FORTRAN_DEFAULT_REAL_NOT_DOUBLE
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)
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CHECK_FORTRAN_FEATURE(iso_c_binding
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"
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PROGRAM main
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USE iso_c_binding
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IMPLICIT NONE
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TYPE(C_PTR) :: ptr
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TYPE(C_FUNPTR) :: funptr
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CHARACTER(LEN=80, KIND=c_char), TARGET :: ichr
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ptr = C_LOC(ichr(1:1))
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END PROGRAM
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"
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FORTRAN_HAVE_ISO_C_BINDING
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)
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#-----------------------------------------------------------------------------
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# Add debug information (intel Fortran : JB)
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#-----------------------------------------------------------------------------
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IF (CMAKE_Fortran_COMPILER MATCHES ifort)
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IF (WIN32)
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SET (CMAKE_Fortran_FLAGS_DEBUG "/debug:full /dbglibs " CACHE "flags" STRING FORCE)
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SET (CMAKE_EXE_LINKER_FLAGS_DEBUG "/DEBUG" CACHE "flags" STRING FORCE)
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ENDIF (WIN32)
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ENDIF (CMAKE_Fortran_COMPILER MATCHES ifort)
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