# -------------------------------------- #
# Makefile
#
# @author   Christian H. Bohlbro
#           Nikolaj André Jensen
#           Mikkel O. Laursen
# @date     2018.09.14
# @version  0.1
# -------------------------------------- #

# Check if this is being included from the kernel Makefile.
ifeq ($(KERNELRELEASE),)
# If KERNELDIR is not set
ifeq ($(KERNELDIR),)
    # Assign KERNELDIR to default path
    KERNELDIR = ~/sources/rpi-4.14
endif
# If CCPREFIX is not set
ifeq ($(CCPREFIX),)
    CCPREFIX = arm-poky-linux-gnueabi-
endif
  # Pass the curretn directory to sub-makes as argument
  PWD := $(shell pwd)

modules:
    $(MAKE) ARCH=arm CROSS_COMPILE=$(CCPREFIX) -C $(KERNELDIR) M=$(PWD) modules

clean:
    rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions modules.order Module.symvers

.PHONY: modules clean

else
    ccflags-y := -DDEBUG -g -std=gnu99 -Wno-declaration-after-statement -Werror
    obj-m := sw2.o
endif