$NetBSD: patch-configure,v 1.1 2015/07/25 15:52:25 prlw1 Exp $

Find native X libGL.so.2 as well as modular X libGL.so.1.
https://bugzilla.gnome.org/show_bug.cgi?id=752864

--- configure.orig	2015-02-23 19:46:01.000000000 +0000
+++ configure
@@ -24239,7 +24239,7 @@ fi
 
 
 fi
-                COGL_GL_LIBNAME="libGL.so.1"
+                COGL_GL_LIBNAME="libGL.so"
 
 fi