$? instead of $< to build main.@O@, because $< is valid only in nmake...

$? instead of $< to build main.@O@, because $< is valid only in nmake inference rules and the effect of using $< is the same

bin/named/Makefile.in

@@ -43,7 +43,7 @@ SRCS =		client.c interfacemgr.c main.c query.c rootns.c server.c \
 @BIND9_MAKE_RULES@
 
 main.@O@: main.c
-	${CC} ${ALL_CFLAGS} -DVERSION=\"${VERSION}\" -c $<
+	${CC} ${ALL_CFLAGS} -DVERSION=\"${VERSION}\" -c $?
 
 printmsg.@O@: ${srcdir}/../tests/printmsg.c
 	${CC} -c -o printmsg.@O@ ${ALL_CFLAGS} -I${srcdir}/../tests \