ifeq ($(KERNELRELEASE),)
KVER           := $(shell uname -r)
KDIR           := /lib/modules/$(KVER)/build
KMISC          := /lib/modules/$(KVER)/kernel/drivers/net/
KEXT           := $(shell echo $(KVER) | sed -ne 's/^2\.[567]\..*/k/p')o
KFLAG          := 2$(shell echo $(KVER) | sed -ne 's/^2\.[4]\..*/4/p')x
#CFLAGS  += -I$(LDDINCDIR) -std=gnu99

modules:
ifeq ($(KFLAG),24x)
	$(MAKE) -f Makefile_linux24x
else
	$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules
endif

clean:
	rm -rf *.o *.ko *~ core* .dep* .*.d .*.cmd *.mod.c *.a *.s .*.flags .tmp_versions Module.symvers

distclean:
	@if [ -e Makefile_linux24x ]; then      \
       	rm -f Makefile_linux24x;                \
       	rm -rf *.o *.ko *~ core* .dep* .*.d .*.cmd *.mod.c *.a *.s .*.flags .tmp_versions;\
        else    \
       	rm -rf *.o *.ko *~ core* .dep* .*.d .*.cmd *.mod.c *.a *.s .*.flags .tmp_versions;\
        fi
else		
#resolve warning message
EXTRA_CFLAGS += -I$(PWD)/../include -std=gnu99

# call from kernel build system
ixcan-objs := _can.o
ixcan_sja1000-objs := sja1000.o

obj-m := ixcan.o ixcan_sja1000.o

endif #ifeq ($(KERNELRELEASE),)
