# Check availability of Med binary distribution
#
# Author : Anthony GEAY (CEA, 2005)
#

AC_DEFUN([CHECK_MED],[

CHECK_HDF5
CHECK_MED2

AC_CHECKING(for Med)

Med_ok=no

AC_ARG_WITH(med,
	    [  --with-med=DIR root directory path of MED installation ],
	    MED_DIR="$withval",MED_DIR="")

if test "x$MED_DIR" == "x" ; then

# no --with-med-dir option used

   if test "x$MED_ROOT_DIR" != "x" ; then

    # MED_ROOT_DIR environment variable defined
      MED_DIR=$MED_ROOT_DIR

   else

    # search Med binaries in PATH variable
      AC_PATH_PROG(TEMP, libMEDMEM_Swig.py)
      if test "x$TEMP" != "x" ; then
         MED_BIN_DIR=`dirname $TEMP`
         MED_DIR=`dirname $MED_BIN_DIR`
      fi
      
   fi
# 
fi

if test -f ${MED_DIR}/bin/salome/libMEDMEM_Swig.py ; then
   Med_ok=yes
   AC_MSG_RESULT(Using Med module distribution in ${MED_DIR})

   if test "x$MED_ROOT_DIR" == "x" ; then
      MED_ROOT_DIR=${MED_DIR}
   fi
   AC_SUBST(MED_ROOT_DIR)
   MED_INCLUDES="-I${MED_ROOT_DIR}/include/salome ${MED2_INCLUDES} ${HDF5_INCLUDES} -I${KERNEL_ROOT_DIR}/include/salome"
   MED_LIBS="-L${MED_ROOT_DIR}/lib/salome -lmedmem"
   AC_SUBST(MED_INCLUDES)
   AC_SUBST(MED_LIBS)

else
   AC_MSG_WARN("Cannot find Med module sources")
fi

AC_MSG_CHECKING([for MED memory version])
[medmem_version=`cat ${MED_ROOT_DIR}/bin/salome/VERSION | cut -d" " -f7`]
[medmem_version=`expr $medmem_version : '\([0-9.]*\).*'`]
AC_MSG_RESULT([$medmem_version])
AC_MSG_CHECKING([for g++ version])
[gpp_version=`g++ --version | sed -e '2,$d' | cut -d" " -f3`]
AC_MSG_RESULT([$gpp_version])
[available=$gpp_version]
dnl Analyzing g++ version
[available_major=`echo $available | sed 's/[^0-9].*//'`]
if test -z "$available_major" ; then
	[available_major=0]
fi
[available=`echo $available | sed 's/[0-9]*[^0-9]//'`]
[available_minor=`echo $available | sed 's/[^0-9].*//'`]
if test -z "$available_minor" ; then
	[available_minor=0]
fi
[available=`echo $available | sed 's/[0-9]*[^0-9]//'`]
[available_patch=`echo $available | sed 's/[^0-9].*//'`]
if test -z "$available_patch" ; then
	[available_patch=0]
fi
dnl Testing if g++ verion >= 3.4.0 or not
if test $available_major -ne "3" \
	-o $available_minor -ne "4" \
	-o $available_patch -lt "0" ; then
		[required_medmem_major=2]
		[required_medmem_minor=2]
		[required_medmem_patch=0]
else
		[required_medmem_major=2]
		[required_medmem_minor=2]
		[required_medmem_patch=4]
fi
[available=$medmem_version]
[available_major=`echo $available | sed 's/[^0-9].*//'`]
if test -z "$available_major" ; then
	[available_major=0]
fi
[available=`echo $available | sed 's/[0-9]*[^0-9]//'`]
[available_minor=`echo $available | sed 's/[^0-9].*//'`]
if test -z "$available_minor" ; then
	[available_minor=0]
fi
[available=`echo $available | sed 's/[0-9]*[^0-9]//'`]
[available_patch=`echo $available | sed 's/[^0-9].*//'`]
if test -z "$available_patch" ; then
	[available_patch=0]
fi
[available_num=`expr $available_major \* 100 + $available_minor \* 10 + $available_patch`]
[required_num=`expr $required_medmem_major \* 100 + $required_medmem_minor \* 10 + $required_medmem_patch`]
if test "x$Med_ok" == "xyes" ; then
	if test $available_num -lt $required_num ; then
		AC_MSG_WARN([MEDMEM version invalid with your compiler : MEDMEM version >=2.2.4 required !!!])
		Med_ok=no
	fi
fi
AC_MSG_RESULT(for MED memory: $Med_ok)
 
])dnl