--- libsx-2.05/src/colorsel.c.rgb	2000-07-29 11:10:32.000000000 +0200
+++ libsx-2.05/src/colorsel.c	2007-02-15 15:49:55.000000000 +0100
@@ -12,7 +12,9 @@
 char *SX_ColorSelector_Label[] = {
 };
 
+#ifndef RGBTXT
 #define RGBTXT     "/usr/lib/X11/rgb.txt"
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>