acpi_call: custom makefile for installing

# custom makefile for acpi_call
ifneq ($(KERNELRELEASE),)
obj-m   := acpi_call.o

else
KDIR    := /lib/modules/$(shell uname -r)/build
INST    := $(DESTDIR)/lib/modules/$(shell uname -r)/updates
PWD := $(shell pwd)

default:
    $(MAKE) -C $(KDIR)  M=$(PWD) modules
install: default
    [ -d $(INST) ] || mkdir $(INST)
    cp acpi_call.ko $(INST)/
    depmod -a
uninstall:
    rm -f $(INST)/acpi_call.ko
    depmod -a
load:
    -sudo /sbin/rmmod acpi_call
    sudo /sbin/insmod acpi_call.ko

endif

clean:
    $(MAKE) -C $(KDIR) M=$(PWD) clean