--- /dev/null
+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
+
+AC_DEFUN([CHECK_CGNS],[
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_PROG_CPP])dnl
+AC_REQUIRE([CHECK_HDF5])dnl
+
+AC_CHECKING(for CGNS)
+
+AC_ARG_WITH(cgns,
+ [ --with-cgns=DIR root directory path to CGNS installation ],
+ [CGNSHOME="$withval"
+ AC_MSG_RESULT("select $withval as path to CGNS")
+ ])
+
+AC_SUBST(CGNS_INCLUDES)
+AC_SUBST(CGNS_LIBS)
+
+CGNS_INCLUDES=""
+CGNS_LIBS=""
+
+cgns_ok=no
+
+LOCAL_INCLUDES=""
+LOCAL_LIBS="-lcgns $HDF5_LIBS"
+
+if test "x$CGNSHOME" != "xno"; then
+ if test "x$CGNSHOME" == "xyes"; then
+ CGNSHOME=""
+ fi
+ if test -z $CGNSHOME
+ then
+ AC_MSG_WARN(undefined CGNSHOME variable which specify CGNS library installation directory)
+ AC_PATH_PROG(BINDIR, cgnsversion)
+ if test "x$BINDIR" != "x" ; then
+ CGNSHOME=$BINDIR
+ CGNSHOME=`echo ${CGNSHOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
+ CGNSHOME=`echo ${CGNSHOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
+ fi
+ fi
+ if test ! -z $CGNSHOME
+ then
+ LOCAL_INCLUDES="-I$CGNSHOME/include"
+ if test "x$CGNSHOME" != "x/usr"; then
+ LOCAL_LIBS="-L$CGNSHOME/lib $LOCAL_LIBS"
+ fi
+ fi
+
+dnl check cgnslib header
+
+ CPPFLAGS_old=$CPPFLAGS
+ CPPFLAGS="$CPPFLAGS $LOCAL_INCLUDES"
+
+ AC_CHECK_HEADER(cgnslib.h,cgns_ok=yes ,cgns_ok=no)
+
+ CPPFLAGS=$CPPFLAGS_old
+fi
+
+if test "x$cgns_ok" = "xyes"
+then
+
+dnl check cgns library
+
+ LIBS_old="$LIBS"
+ LIBS="$LIBS $LOCAL_LIBS"
+ AC_CHECK_LIB(cgns,cg_open,cgns_ok=yes,cgns_ok=no)
+
+ LIBS="$LIBS_old"
+
+fi
+
+if test "x$cgns_ok" = "xyes"
+then
+ CGNS_LIBS="$LOCAL_LIBS"
+ CGNS_INCLUDES="$LOCAL_INCLUDES"
+ CPPFLAGS="-DWITH_CGNS $CPPFLAGS"
+fi
+
+AC_MSG_RESULT(for CGNS: $cgns_ok)
+
+AM_CONDITIONAL(WITH_CGNS, [test x"$cgns_ok" = xyes])
+
+])dnl