--- a/physfs_byteorder.c	Fri May 10 09:16:38 2002 +0000
+++ b/physfs_byteorder.c	Fri May 10 09:25:25 2002 +0000
@@ -8,6 +8,10 @@
  *  This file written by Ryan C. Gordon.
  */
 
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <assert.h>