#
# Makefile borrowed from acer_acpi
#
KERNELSRC?=/lib/modules/`uname -r`/build
KERNELVERSION=$(shell awk -F\" '/REL/ {print $$2}' $(shell grep -s -l REL $(KERNELSRC)/include/linux/version.h $(KERNELSRC)/include/linux/utsrelease.h))

KERNELMAJOR=$(shell echo $(KERNELVERSION)|head -c3)
KBUILD_BASENAME=

obj-m += quickstart.o

CC=gcc
CFLAGS+=-c -Wall -Wstrict-prototypes -Os -pipe 
INCLUDE=-I$(KERNELSRC)/include

ifneq ($(KERNELMAJOR), 2.6)
exit:
endif

TARGET := quickstart.ko
SOURCE := quickstart.c

all: $(TARGET)

exit:
	@echo "No support for 2.4 series kernels"

help:
	@echo Possible targets:
	@echo -e all\\t- default target, builds kernel module
	@echo -e install\\t- copies module binary to /lib/modules/$(KERNELVERSION)/extra/
	@echo -e clean\\t- removes all binaries and temporary files

quickstart.ko: $(SOURCE)
	$(MAKE) -C $(KERNELSRC) SUBDIRS=$(PWD) modules

quickstart.o: $(SOURCE)
	$(CC) $(INCLUDE) $(CFLAGS) -DMODVERSIONS -DMODULE -D__KERNEL__ -o $(TARGET) $(SOURCE)

clean:
	rm -f *~ *.o *.s *.ko *.mod.c .*.cmd Module.symvers
	rm -rf .tmp_versions

load:	$(TARGET)
	insmod $(TARGET)

unload:
	rmmod quickstart

install: $(TARGET)
	mkdir -p ${DESTDIR}/lib/modules/$(KERNELVERSION)/extra
	cp -v $(TARGET) ${DESTDIR}/lib/modules/$(KERNELVERSION)/extra/
	depmod -a