--- sys/unix/unixunix.c.orig	Sun Jun 24 18:57:24 2001
+++ sys/unix/unixunix.c	Wed Jul  4 11:23:29 2001
@@ -42,7 +42,9 @@ gethdate(name)
  * does not exist on all systems, and moreover, that it sometimes includes
  * <sys/types.h> again, so that the compiler sees these typedefs twice.
  */
+#ifndef HAVE_SYS_PARAM_H
 #define		MAXPATHLEN	1024
+#endif
 
 	register const char *np, *path;
 	char filename[MAXPATHLEN+1];