Index: config.auto.h.in
===================================================================
--- config.auto.h.in	(.../config.auto.h.in)	(revision 2577)
+++ config.auto.h.in	(.../config.h.in)	(revision 2578)
@@ -1,5 +1,10 @@
 print [@ /***** Generated by scconfig - DO NOT EDIT *****/
 
+/* Source: config.h.in; to regenerate run ./configure */
+
+#ifndef PCB_CONFIG_H
+#define PCB_CONFIG_H
+
 /****************************************************************************/
 /* Static defines to enable extra features on some systems; once we get
    testers on those systems, we can remove them and see if scconfig figured
@@ -176,4 +181,7 @@
 /* the dot-dir: where to save user config under ther user's home; it's used
    as ~/DOT_PCB_RND/ */
 #define DOT_PCB_RND "@/local/pcb/dot_pcb_rnd@"
+
+
+#endif
 @]