applesmc: make optional

Based on patch by David Ahern.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

Makefile.objs

@@ -196,6 +196,7 @@ hw-obj-$(CONFIG_ACPI) += acpi.o acpi_piix4.o
 hw-obj-$(CONFIG_APM) += pm_smbus.o apm.o
 hw-obj-$(CONFIG_DMA) += dma.o
 hw-obj-$(CONFIG_HPET) += hpet.o
+hw-obj-$(CONFIG_APPLESMC) += applesmc.o
 
 # PPC devices
 hw-obj-$(CONFIG_OPENPIC) += openpic.o

Makefile.target

@@ -215,7 +215,7 @@ obj-$(CONFIG_KVM) += ivshmem.o
 obj-i386-y += vga.o
 obj-i386-y += mc146818rtc.o i8259.o pc.o
 obj-i386-y += cirrus_vga.o apic.o ioapic.o piix_pci.o
-obj-i386-y += vmport.o applesmc.o
+obj-i386-y += vmport.o
 obj-i386-y += device-hotplug.o pci-hotplug.o smbios.o wdt_ib700.o
 obj-i386-y += debugcon.o multiboot.o
 obj-i386-y += pc_piix.o kvmclock.o

default-configs/i386-softmmu.mak

@@ -20,3 +20,4 @@ CONFIG_NE2000_ISA=y
 CONFIG_PIIX_PCI=y
 CONFIG_SOUND=y
 CONFIG_HPET=y
+CONFIG_APPLESMC=y

default-configs/x86_64-softmmu.mak

@@ -20,3 +20,4 @@ CONFIG_NE2000_ISA=y
 CONFIG_PIIX_PCI=y
 CONFIG_SOUND=y
 CONFIG_HPET=y
+CONFIG_APPLESMC=y