--- ./include/allegrogl/GLext/glx_ext_defs.h.orig	2006-10-29 20:47:05.244605000 +0100
+++ ./include/allegrogl/GLext/glx_ext_defs.h	2006-10-29 20:47:48.591314000 +0100
@@ -86,7 +86,7 @@
 #endif
 
 /* Workaround for Debian's xlibmesa-gl-dev */
-#if defined __GLX_glxtokens_h__ && !defined GLX_SAMPLES
+#if !defined GLX_SAMPLES
 #define GLX_SAMPLE_BUFFERS                 100000
 #define GLX_SAMPLES                        100001
 #endif