diff --git a/gnu/usr.bin/Makefile b/gnu/usr.bin/Makefile
index 4364cd4b52c5..f3128dfe1259 100644
--- a/gnu/usr.bin/Makefile
+++ b/gnu/usr.bin/Makefile
@@ -1,7 +1,11 @@
-#	$Id$
+#	$Id: Makefile,v 1.35 1997/02/22 15:43:16 peter Exp $
 
 SUBDIR= as awk bc bison cc cpio cvs dc dialog diff diff3 gdb genclass gperf \
-	grep groff gzip ld man patch perl ptx rcs sdiff send-pr \
+	grep groff gzip ld man patch ptx rcs sdiff send-pr \
 	sort tar texinfo
 
+.if !defined(NOPERL) && exists(${.CURDIR}/perl)
+SUBDIR+=perl
+.endif
+
 .include <bsd.subdir.mk>