dnl  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
dnl  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
dnl 
dnl  This library is free software; you can redistribute it and/or 
dnl  modify it under the terms of the GNU Lesser General Public 
dnl  License as published by the Free Software Foundation; either 
dnl  version 2.1 of the License. 
dnl 
dnl  This library is distributed in the hope that it will be useful, 
dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of 
dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
dnl  Lesser General Public License for more details. 
dnl 
dnl  You should have received a copy of the GNU Lesser General Public 
dnl  License along with this library; if not, write to the Free Software 
dnl  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
dnl 
dnl  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
dnl
dnl
dnl

AC_DEFUN([CHECK_MED2],[
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_PROG_CPP])dnl
AC_REQUIRE([CHECK_HDF5])dnl

AC_CHECKING(for MED2)

AC_ARG_WITH(med2,
    [  --with-med2=DIR                 root directory path to med2 installation ],
    [MED2HOME="$withval"
      AC_MSG_RESULT("select $withval as path to med2")
    ])

AC_SUBST(MED2_INCLUDES)
AC_SUBST(MED2_LIBS)
AC_SUBST(MED2_MT_LIBS)

MED2_INCLUDES=""
MED2_LIBS=""
MED2_MT_LIBS=""

med2_ok=no

LOCAL_INCLUDES="$HDF5_INCLUDES"
LOCAL_LIBS="-lmed $HDF5_LIBS"

if test -z $MED2HOME
then
   AC_MSG_WARN(undefined MED2HOME variable which specify med2 installation directory)
   AC_PATH_PROG(MDUMP, mdump)
   if test "xMDUMP" != "x" ; then
      MED2HOME=$MDUMP
      MED2HOME=`echo ${MED2HOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
      MED2HOME=`echo ${MED2HOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
   fi
fi
if test ! -z $MED2HOME
then
   LOCAL_INCLUDES="$LOCAL_INCLUDES -I$MED2HOME/include"
   if test "x$MED2HOME" = "x/usr"
   then
     LOCAL_LIBS="-lmed  $LOCAL_LIBS"
   else
     LOCAL_LIBS="-L$MED2HOME/lib $LOCAL_LIBS"
   fi
fi

dnl check med2 header

f77int="F77INT32"
case  $host_os in
   irix5.* | irix6.* | osf4.* | osf5.* | linux*  )

        linux64="true"
        expr "$host_os" : 'linux' >/dev/null && test ! x"$host_cpu" = x"x86_64" && linux64="false"
	if test ! x"$linux64" = "xfalse" ; then
	  echo "$as_me:$LINENO: checking for 64bits integers size in F77/F90" >&5
echo $ECHO_N "checking for 64bits integers size in F77/F90... $ECHO_C" >&6
	  # Check whether --enable-int64 or --disable-int64 was given.
if test "${enable_int64+set}" = set; then
  enableval="$enable_int64"

fi;
	  case "X-$enable_int64" in
	    X-no)
	     echo "$as_me:$LINENO: result: \"disabled\"" >&5
echo "${ECHO_T}\"disabled\"" >&6
	     SUFFIXES="_32"
	     ;;
	    *)
	     echo "$as_me:$LINENO: result: \"enabled\"" >&5
echo "${ECHO_T}\"enabled\"" >&6
	     SUFFIXES=""
	     f77int="F77INT64"
	     ;;
	  esac
	fi
     ;;
   *)
     ;;
esac

case $host_os in
    linux*)
        test x"$linux64" = x"true" && \
          MACHINE="PCLINUX64${SUFFIXES}" || \
	MACHINE=PCLINUX
	;;
    hpux*)
	MACHINE=HP9000
	;;
    aix4.*)
	MACHINE=RS6000
	host_os_novers=aix4.x
	;;
    irix5.*)
	MACHINE="IRIX64${SUFFIXES}"
	host_os_novers=irix5.x
	;;
    irix6.*)
	MACHINE="IRIX64${SUFFIXES}"
	host_os_novers=irix6.x
	;;
    osf4.*)
	MACHINE="OSF1${SUFFIXES}"
	host_os_novers=osf4.x
	;;
    osf5.*)
	MACHINE="OSF1${SUFFIXES}"
	 host_os_novers=osf5.x
	 ;;
    solaris2.*)
	MACHINE=SUN4SOL2
	 host_os_novers=solaris2.x
	 ;;
    uxpv*)
	MACHINE=VPP5000
	 ;;
    *)
	MACHINE=
	 host_os_novers=$host_os
	 ;;
esac

CPPFLAGS_old="$CPPFLAGS"
dnl we must test system : linux = -DPCLINUX
dnl we must test system : Alpha-OSF = -DOSF1
case $host_os in
   linux*)
      CPPFLAGS="$CPPFLAGS -D$MACHINE $LOCAL_INCLUDES"
dnl      CPPFLAGS="$CPPFLAGS -DPCLINUX $LOCAL_INCLUDES"
      ;;
   osf*)
      CPPFLAGS="$CPPFLAGS -DOSF1 $LOCAL_INCLUDES"
      ;;
esac
AC_CHECK_HEADER(med.h,med2_ok=yes ,med2_ok=no)
CPPFLAGS="$CPPFLAGS_old"

if  test "x$med2_ok" = "xyes"
then

dnl check med2 library

  LIBS_old="$LIBS"
  LIBS="$LIBS $LOCAL_LIBS"
  AC_CHECK_LIB(med,MEDouvrir,med2_ok=yes,med2_ok=no)
  LIBS="$LIBS_old"

fi

if  test "x$med2_ok" = "xyes"
then
case $host_os in
   linux*)
      MED2_INCLUDES="-D$MACHINE $LOCAL_INCLUDES"
dnl      MED2_INCLUDES="-DPCLINUX $LOCAL_INCLUDES"
      ;;
   osf*)
      MED2_INCLUDES="-DOSF1 $LOCAL_INCLUDES"
      ;;
esac
  MED2_LIBS="$LOCAL_LIBS"
  MED2_MT_LIBS="$LOCAL_LIBS"
fi

AC_MSG_RESULT(for med2: $med2_ok)

])dnl