dnl Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
dnl
dnl Copyright (C) 2003-2007  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.salome-platform.org/ or email : webmaster.salome@opencascade.com
dnl

#  Check availability of HELLO module binary distribution
#
#  Author : Marc Tajchman (CEA, 2002)
#------------------------------------------------------------

AC_DEFUN([CHECK_HELLO],[

AC_CHECKING(for Hello)

Hello_ok=no

AC_ARG_WITH(hello,
	    --with-hello=DIR root directory path of HELLO installation,
	    HELLO_DIR="$withval",HELLO_DIR="")

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

# no --with-gui-dir option used

  if test "x$HELLO1_ROOT_DIR" != "x" ; then

    # HELLO1_ROOT_DIR environment variable defined
    HELLO_DIR=$HELLO1_ROOT_DIR

  else

    # search hello binaries in PATH variable
    AC_PATH_PROG(TEMP, libHELLO.so)
    if test "x$TEMP" != "x" ; then
      HELLO_BIN_DIR=`dirname $TEMP`
      HELLO_DIR=`dirname $HELLO_BIN_DIR`
    fi

  fi
#
fi

if test -f ${HELLO_DIR}/lib/salome/libHELLO.so  ; then
  Hello_ok=yes
  AC_MSG_RESULT(Using HELLO distribution in ${HELLO_DIR})

  if test "x$HELLO1_ROOT_DIR" == "x" ; then
    HELLO1_ROOT_DIR=${HELLO_DIR}
  fi
  AC_SUBST(HELLO1_ROOT_DIR)
else
  AC_MSG_WARN("Cannot find compiled HELLO distribution")
fi
  
AC_MSG_RESULT(for HELLO: $Hello_ok)
 
])dnl