fix libpayload build dependencies (trivial)

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3544 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/payloads/libpayload/Makefile b/payloads/libpayload/Makefile
index af4080f..b907b8f 100644
--- a/payloads/libpayload/Makefile
+++ b/payloads/libpayload/Makefile
@@ -101,7 +101,7 @@
 lib: prepare $(obj)/lib/libpayload.a copystuff
 
 # Copy libpayload.a and head.o into $(src)/lib where lpgcc et al expect them.
-copystuff:
+copystuff: $(obj)/$(ARCHDIR-y)/head.S.o $(obj)/lib/libpayload.a
 	$(Q)cp $(obj)/$(ARCHDIR-y)/head.S.o $(src)/lib/$(ARCHDIR-y)/head.o
 	$(Q)cp $(obj)/lib/libpayload.a $(src)/lib