Index: /issm/trunk/m4/issm_options.m4
===================================================================
--- /issm/trunk/m4/issm_options.m4	(revision 1381)
+++ /issm/trunk/m4/issm_options.m4	(revision 1382)
@@ -472,3 +472,20 @@
 	AC_MSG_RESULT(done)
 
+	dnl graphics library  option
+	AC_MSG_CHECKING(for graphics library...)
+	AC_ARG_WITH([graphics-lib],
+			  AS_HELP_STRING([--with-graphics-lib = options],
+							 [graphics options, for ex: "/usr/X11/lib/libX11.a]),
+			  [GRAPHICS_LIB=$withval],[GRAPHICS_LIB=""])
+
+	dnl check that --with-graphics-lib may have been provided
+	if test -n "$GRAPHICS_LIB" ; then
+		HAVE_GRAPHICS=yes
+		GRAPHICSLIB="$GRAPHICS_LIB"
+
+		AC_DEFINE([_HAVE_GRAPHICS_],[1],[with GRAPHICS in ISSM src])
+		AC_SUBST([GRAPHICSLIB])
+	fi
+	AC_MSG_RESULT(done)
+
 ])