--- sys/unix/unixunix.c.orig	Tue Jun 18 00:34:55 1996
+++ sys/unix/unixunix.c	Fri Apr 14 15:10:49 2000
@@ -38,7 +38,9 @@ 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];
