dnl Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
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

AC_DEFUN([CHECK_BFT],[

AC_CHECKING(for BFT Library)

AC_LANG_SAVE
AC_LANG(C++)

BFT_INCLUDES=""
BFT_LIBSUFFIX=""
BFT_LIBS=""

AC_CHECKING(for BFT location)
AC_ARG_WITH(bft,
            [  --with-bft=DIR      root directory path to BFT library installation ],
            [BFTDIR="$withval"
             AC_MSG_RESULT("select $withval as path to BFT library")])

AC_MSG_RESULT(\$BFTDIR = ${BFTDIR})

CPPFLAGS_old="${CPPFLAGS}"
LIBS_old=$LIBS

if test "x${BFTDIR}" != "x" ; then
  BFT_INCLUDES="-I${BFTDIR}/include"
  BFT_LIBS="-L${BFTDIR}/lib -lbft"
fi

bft_ok=no
bft_headers_ok=no
bft_binaries_ok=no

dnl BFT headers
AC_CHECKING(for BFT headers)
CPPFLAGS="${CPPFLAGS_old} ${BFT_INCLUDES} ${MPI_CPPFLAGS} ${MED_CPPFLAGS}"

bft_include_dir_ok=yes
if test "x${BFTDIR}" != "x" ; then
  AC_CHECK_FILE(${BFTDIR}/include/bft_mem.h,
                bft_include_dir_ok=yes,
                bft_include_dir_ok=no)
fi

if test "x${bft_include_dir_ok}" = "xyes" ; then
  AC_TRY_COMPILE([ #include "bft_mem.h"],
                 [bft_mem_init("")],
                 bft_headers_ok=yes,
                 bft_headers_ok=no)
fi

if test "x${bft_headers_ok}" = "xno" ; then
  BFT_INCLUDES="BFT_INCLUDES_NOT_DEFINED"
else
  AC_MSG_RESULT(\$BFT_INCLUDES = ${BFT_INCLUDES})
fi
AC_MSG_RESULT(for bft headers: $bft_headers_ok)

if test "x${bft_headers_ok}" = "xyes" ; then
  dnl BFT binaries
  AC_CHECKING(for BFT binaries)
  bft_lib_dir_ok=yes
  if test "x${BFTDIR}" != "x" ; then
    AC_CHECK_FILE(${BFTDIR}/lib/libbft.so,
                  bft_lib_dir_ok=yes,
                  bft_lib_dir_ok=no)
  fi

fi

CPPFLAGS="${CPPFLAGS_old}"
LIBS="${LIBS_old}"

if test "x${bft_headers_ok}" = "xyes" ; then
  if test "x${bft_lib_dir_ok}" = "xyes" ; then
    bft_ok=yes
  fi
fi

AC_MSG_RESULT(for bft: $bft_ok)

AC_SUBST(BFT_INCLUDES)
AC_SUBST(BFT_LIBSUFFIX)
AC_SUBST(BFT_LIBS)

AC_LANG_RESTORE

])dnl