Find files via .PATH where appropriate.

usr.bin/lex/Makefile

@@ -1,5 +1,5 @@
 #	from: @(#)Makefile	5.4 (Berkeley) 6/24/90
-#	$NetBSD: Makefile,v 1.22 2001/09/22 05:39:22 tv Exp $
+#	$NetBSD: Makefile,v 1.23 2001/11/12 19:32:08 tv Exp $
 #
 # By default, flex will be configured to generate 8-bit scanners only if the
 # -8 flag is given.  If you want it to always generate 8-bit scanners, add
@@ -30,12 +30,12 @@ LINKS=	${BINDIR}/lex ${BINDIR}/flex \
 	${BINDIR}/lex ${BINDIR}/flex++
 MLINKS=	flex.1 lex.1 
 
-skel.c:	flex.skl mkskel.sh
-	sh ${.CURDIR}/mkskel.sh ${.CURDIR}/flex.skl > skel.c
+skel.c:	mkskel.sh flex.skl
+	sh ${.ALLSRC} >${.TARGET}
 
 .ifndef HOSTPROG
 scan.c: scan.l
-	${LEX} -t -p ${.CURDIR}/scan.l > scan.c
+	${LEX} -t -p ${.ALLSRC} >${.TARGET}
 .endif
 
 scan.o yylex.o: parse.h