Create/build vers.c/vers.o inside the final link stage so that the build

datestamp get's updated each build.

sys/arch/pmax/stand/Makefile.booters

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.booters,v 1.19 1999/03/31 02:35:14 simonb Exp $
+#	$NetBSD: Makefile.booters,v 1.20 1999/03/31 03:10:56 simonb Exp $
 #
 #	NOTE: $S must correspond to the top of the 'sys' tree
 
@@ -17,8 +17,6 @@ ${.OBJDIR}/mips:
 	-rm -f ${.TARGET}
 	ln -s $S/arch/mips/include mips
 
-CLEANFILES+=vers.c vers.o ${PROG}.map
-
 # Tailor C compilation for standalone environment.
 COPTS=	-Os				# -Os gives smaller code
 
@@ -61,23 +59,27 @@ PMAXDIR= ${PMAX_STAND_DIR}/lib
 .include "${PMAXDIR}/Makefile.inc"
 LIBPMAX=		${PMAXLIB}
 
+LIBS=	${LIBPMAX} ${LIBKERN} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBPMAX}
+VERS_O?=vers.o
+
+${PROG}: ${OBJS} ${LIBS}
+.if ${VERS_O} != ""
+	sh ${PMAX_STAND_DIR}/lib/newvers.sh ${VERSIONFILE} ${NEWVERSWHAT}
+	${COMPILE.c} vers.c
+.endif
+	ld -Map ${PROG}.map -N -x -Ttext ${RELOC} ${LDBUG} -e start \
+	    ${OBJS} ${VERS_O} ${LIBS} -o ${PROG}
+
+CLEANFILES+=${PROG}.map
+.if ${VERS_O} != ""
+CLEANFILES+=vers.c vers.o
+.endif
+
 cleandir distclean: cleanlibdir
 
 cleanlibdir:
 	rm -rf lib
 
-LIBS=	${LIBPMAX} ${LIBKERN} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBPMAX}
-VERS_O?=vers.o
-
-vers.o:	${VERSIONFILE}
-	sh ${PMAX_STAND_DIR}/lib/newvers.sh ${.ALLSRC} ${NEWVERSWHAT}
-	${COMPILE.c} vers.c
-
-${PROG}: ${OBJS} ${VERS_O} ${LIBS}
-	ld -Map ${PROG}.map -N -x -Ttext ${RELOC} ${LDBUG} -e start \
-	    ${OBJS} ${VERS_O} ${LIBS} -o ${PROG}
-
-
 .include <bsd.prog.mk>
 
 # be sure to turn off any PIC flags for standalone library code.