Removes cmake_ext_mod (files moved to cmake) (#2041)
At one time this content was a git submodule shared between several projects but that time has long passed.
This commit is contained in:
Dana Robinson
GitHub
223
config/cmake/HDFUseFortran.cmake
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223
config/cmake/HDFUseFortran.cmake
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#
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# Copyright by The HDF Group.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the COPYING file, which can be found at the root of the source code
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# distribution tree, or in https://www.hdfgroup.org/licenses.
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# If you do not have access to either file, you may request a copy from
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# help@hdfgroup.org.
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#
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#
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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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set (HDF_PREFIX "H5")
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if (NOT CMAKE_VERSION VERSION_LESS "3.14.0")
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include (CheckFortranSourceRuns)
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include (CheckFortranSourceCompiles)
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endif ()
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#-------------------------------------------------------------------------------
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# Fix Fortran flags if we are compiling statically on Windows using
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# Windows_MT.cmake from config/cmake/UserMacros
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#-------------------------------------------------------------------------------
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if (BUILD_STATIC_CRT_LIBS)
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TARGET_STATIC_CRT_FLAGS ()
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endif ()
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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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)
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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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#test code source
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set (SIZEOF_CODE
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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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)
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set (C_SIZEOF_CODE
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"
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PROGRAM main
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USE ISO_C_BINDING
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INTEGER(C_INT) :: a
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INTEGER(C_SIZE_T) :: result
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result = c_sizeof(a)
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END PROGRAM
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"
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)
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set (STORAGE_SIZE_CODE
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"
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PROGRAM main
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INTEGER :: a
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INTEGER :: result
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result = storage_size(a)
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END PROGRAM
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"
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)
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set (ISO_FORTRAN_ENV_CODE
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"
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PROGRAM main
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USE, INTRINSIC :: ISO_FORTRAN_ENV
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END PROGRAM
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"
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)
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set (REALISNOTDOUBLE_CODE
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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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)
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set (ISO_C_BINDING_CODE
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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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INTEGER(C_INT64_T) :: c_int64_type
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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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)
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if (NOT CMAKE_VERSION VERSION_LESS "3.14.0")
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if (HDF5_REQUIRED_LIBRARIES)
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set (CMAKE_REQUIRED_LIBRARIES "${HDF5_REQUIRED_LIBRARIES}")
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endif ()
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check_fortran_source_compiles (${SIZEOF_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_SIZEOF SRC_EXT f90)
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check_fortran_source_compiles (${C_SIZEOF_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_C_SIZEOF SRC_EXT f90)
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check_fortran_source_compiles (${STORAGE_SIZE_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_STORAGE_SIZE SRC_EXT f90)
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check_fortran_source_compiles (${ISO_FORTRAN_ENV_CODE} ${HDF_PREFIX}_HAVE_ISO_FORTRAN_ENV SRC_EXT f90)
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check_fortran_source_compiles (${REALISNOTDOUBLE_CODE} ${HDF_PREFIX}_FORTRAN_DEFAULT_REAL_NOT_DOUBLE SRC_EXT f90)
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check_fortran_source_compiles (${ISO_C_BINDING_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_ISO_C_BINDING SRC_EXT f90)
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else ()
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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 (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
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message (VERBOSE "Testing Fortran ${FUNCTION}")
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endif ()
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if (HDF5_REQUIRED_LIBRARIES)
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set (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
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"-DLINK_LIBRARIES:STRING=${HDF5_REQUIRED_LIBRARIES}")
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else ()
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set (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
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endif ()
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file (WRITE
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f90
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"${CODE}"
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)
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TRY_COMPILE (RESULT_VAR
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${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f90
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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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# if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
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# message (TRACE "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
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# message (TRACE "Test result ${OUTPUT}")
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# message (TRACE "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
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# endif ()
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if (${RESULT_VAR})
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set (${VARIABLE} 1 CACHE INTERNAL "Have Fortran function ${FUNCTION}")
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if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
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message (VERBOSE "Testing Fortran ${FUNCTION} - OK")
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endif ()
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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 ()
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message (STATUS "Testing Fortran ${FUNCTION} - Fail")
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set (${VARIABLE} 0 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 ()
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endmacro ()
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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 for Non-standard extension intrinsic function SIZEOF
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set (${HDF_PREFIX}_FORTRAN_HAVE_SIZEOF FALSE)
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CHECK_FORTRAN_FEATURE(sizeof_code ${SIZEOF_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_SIZEOF)
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# Check for F2008 standard intrinsic function C_SIZEOF
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set (${HDF_PREFIX}_FORTRAN_HAVE_C_SIZEOF FALSE)
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CHECK_FORTRAN_FEATURE(c_sizeof_code ${C_SIZEOF_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_C_SIZEOF)
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# Check for F2008 standard intrinsic function STORAGE_SIZE
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CHECK_FORTRAN_FEATURE(storage_size_code ${STORAGE_SIZE_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_STORAGE_SIZE)
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# Check for F2008 standard intrinsic module "ISO_FORTRAN_ENV"
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set (${HDF_PREFIX}_HAVE_ISO_FORTRAN_ENV FALSE)
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CHECK_FORTRAN_FEATURE(iso_fortran_env_code ${ISO_FORTRAN_ENV_CODE} ${HDF_PREFIX}_HAVE_ISO_FORTRAN_ENV)
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set (${HDF_PREFIX}_FORTRAN_DEFAULT_REAL_NOT_DOUBLE FALSE)
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CHECK_FORTRAN_FEATURE(realisnotdouble_code ${REALISNOTDOUBLE_CODE} ${HDF_PREFIX}_FORTRAN_DEFAULT_REAL_NOT_DOUBLE)
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#-----------------------------------------------------------------------------
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# Checks if the ISO_C_BINDING module meets all the requirements
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#-----------------------------------------------------------------------------
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set (${HDF_PREFIX}_FORTRAN_HAVE_ISO_C_BINDING FALSE)
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CHECK_FORTRAN_FEATURE(iso_c_binding_code ${ISO_C_BINDING_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_ISO_C_BINDING)
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endif ()
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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 AND NOT MINGW)
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set (CMAKE_Fortran_FLAGS_DEBUG "/debug:full /dbglibs " CACHE STRING "flags" FORCE)
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set (CMAKE_EXE_LINKER_FLAGS_DEBUG "/DEBUG" CACHE STRING "flags" FORCE)
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endif ()
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endif ()
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