# Copyright (C) 2013-2021  CEA/DEN, EDF R&D, OPEN CASCADE
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
# Author: Adrien Bruneton
#

# Medfile detection for Salome
#
#  !! Please read the generic detection procedure in SalomeMacros.cmake !!
#

SALOME_FIND_PACKAGE_AND_DETECT_CONFLICTS(MEDFile MEDFILE_INCLUDE_DIRS 1)
#MARK_AS_ADVANCED()

SET(MED_INT_IS_LONG FALSE) # fallback value
IF(MEDFile_FOUND) 
  SALOME_ACCUMULATE_HEADERS(MEDFILE_INCLUDE_DIRS)
  SALOME_ACCUMULATE_ENVIRONMENT(LD_LIBRARY_PATH ${MEDFILE_LIBRARIES})

  # Check size of med_int
  SET(_med_int_cxx ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_med_int_size.cxx)
  FILE(WRITE ${_med_int_cxx}
       "#include <med.h>\n#include <stdio.h>\nint main(){printf(\"%d\", sizeof(med_int)); return 0;}")
  TRY_RUN(_med_int_run_result _med_int_compile_results
          ${CMAKE_BINARY_DIR} ${_med_int_cxx}
          CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${MEDFILE_INCLUDE_DIRS};${HDF5_INCLUDE_DIR}"
	  LINK_LIBRARIES ${MEDFILE_C_LIBRARIES} ${HDF5_LIBRARIES}
	  RUN_OUTPUT_VARIABLE _med_int_output)
  IF(_med_int_compile_results)
    SET(MED_INT_SIZE ${_med_int_output})
  ELSE()
    SET(MED_INT_SIZE UNKNOWN)
  ENDIF()
  IF(MED_INT_SIZE EQUAL 8)
    SET(MED_INT_IS_LONG TRUE)
  ELSE()
    SET(MED_INT_IS_LONG FALSE)
  ENDIF()
  MESSAGE(STATUS "MEDFile: size of med_int is ${MED_INT_SIZE}")
  UNSET(_med_int_cxx)
  UNSET(_med_int_run_result)
  UNSET(_med_int_compile_results)
  UNSET(_med_int_output)
ENDIF()