--- hw/mips/Makefile.objs-orig	2012-12-13 13:33:13.300683944 +0100
+++ hw/mips/Makefile.objs	2012-12-13 13:33:59.980445062 +0100
@@ -1,6 +1,7 @@
 obj-y = mips_r4k.o mips_jazz.o mips_malta.o mips_mipssim.o
 obj-y += mips_addr.o mips_timer.o mips_int.o
 obj-y += gt64xxx.o mc146818rtc.o
+obj-y += acpi.o acpi_piix4.o
 obj-$(CONFIG_FULONG) += bonito.o vt82c686.o mips_fulong2e.o
 
 obj-y := $(addprefix ../,$(obj-y))