imlib2: enhanced to be able to build without xorg

e17/imlib2/imlib2.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../imlib2/imlib2.conf
-# Copyright (C) 2007 The OpenSDE Project
+# Copyright (C) 2007 - 2010 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2004 Clifford Wolf
 #
@@ -16,3 +16,5 @@
 
 [ $arch = x86-64 ] &&
 	var_append confopt " " "--disable-mmx"
+
+pkginstalled xorg-server || var_append extraconfopt ' ' '--without-x'