Index: crossfire-client-1.60.0/configure.ac
===================================================================
--- crossfire-client-1.60.0.orig/configure.ac	2011-03-28 19:19:52.000000000 +0300
+++ crossfire-client-1.60.0/configure.ac	2011-03-28 19:19:56.000000000 +0300
@@ -230,7 +230,7 @@
     if eval "test x$win32 = xyes" ; then
         OPENGL_LIBS="-lopengl32 -lglu32 -lglut"
     else
-        OPENGL_LIBS="-lGL -lGLU -lglut"
+        OPENGL_LIBS="-lGL -lGLU -lglut -lX11"
     fi
     AC_SUBST(OPENGL_LIBS)
 fi
