Include printf by default even for SMALL builds. It is used e.g. by

dhcpcd and as such required by most ramdisk images. Allow turning it off
again by TINYPROG.

bin/sh/Makefile

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.100 2014/07/05 23:13:41 dholland Exp $
+#	$NetBSD: Makefile,v 1.101 2015/05/10 20:30:54 joerg Exp $
 #	@(#)Makefile	8.4 (Berkeley) 5/5/95
 
 .include <bsd.own.mk>
@@ -42,6 +42,9 @@ CPPFLAGS+=-DSHELL -I. -I${.CURDIR}
 
 .ifdef SMALLPROG
 CPPFLAGS+=-DSMALL
+.endif
+.ifdef TINYPROG
+CPPFLAGS+=-DTINY
 .else
 SRCS+=printf.c
 .endif

bin/sh/builtins.def

@@ -1,5 +1,5 @@
 #!/bin/sh -
-#	$NetBSD: builtins.def,v 1.22 2012/12/31 14:10:15 dsl Exp $
+#	$NetBSD: builtins.def,v 1.23 2015/05/10 20:30:54 joerg Exp $
 #
 # Copyright (c) 1991, 1993
 #	The Regents of the University of California.  All rights reserved.
@@ -66,7 +66,7 @@ hashcmd		hash
 jobidcmd	jobid
 jobscmd		-u jobs
 localcmd	local
-#ifndef SMALL
+#ifndef TINY
 printfcmd	printf
 #endif
 pwdcmd		-u pwd