# based around ipw2200 makefile

ifndef CONFIG_PVIEW
EXTERNAL_BUILD=y
CONFIG_PVIEW=m
CONFIG_PVIEW_DEBUG=y
endif

list-m :=
list-$(CONFIG_PVIEW) += pview
obj-$(CONFIG_PVIEW) += pview.o

#
# Begin dual Makefile mode here.  First we provide support for when we
# are being invoked by the kernel build system
#
ifneq ($(KERNELRELEASE),)

ifeq ($(EXTERNAL_BUILD),y)
ifeq ($(CONFIG_PVIEW_DEBUG),y)
EXTRA_CFLAGS += -DCONFIG_PVIEW_DEBUG
endif
endif

else 
# Here we begin the portion that is executed if the user invoked this Makefile
# directly.

# KSRC should be set to the path to your sources
# modules are installed into KMISC
KVER  := $(shell uname -r)
KSRC := /lib/modules/$(KVER)/build
KMISC := /lib/modules/$(KVER)/kernel/misc/
KMISC_INC := /lib/modules/$(KVER)/include

# KSRC_OUTPUT should be overridden if you are using a 2.6 kernel that
# has it's output sent elsewhere via KBUILD_OUTPUT= or O=
KSRC_OUTPUT := $(KSRC)

PWD=$(shell pwd)

VERFILE := $(KSRC_OUTPUT)/include/linux/version.h
KERNELRELEASE := $(shell \
	if [ -r $(VERFILE) ]; then \
		(cat $(VERFILE); echo UTS_RELEASE) | \
		$(CC) -I$(KSRC_OUTPUT) $(CFLAGS) -E - | \
		tail -n 1 | \
		xargs echo; \
        else \
		uname -r; \
	fi)

MODPATH := $(DESTDIR)/lib/modules/$(KERNELRELEASE)

all: modules

clean:
	rm -f *.mod.c *.mod *.o *.ko .*.cmd .*.flags .lst *.lst
	rm -rf $(PWD)/tmp
	for file in *.{c,h}; do \
		sed -i -e "s:\ *$$::g" -e "s:\t*$$::g" $$file; \
	done

distclean: clean
	rm -f tags TAGS

TMP=$(PWD)/tmp

modules:
	$(MAKE) -C $(KSRC) M=$(PWD) modules

install: modules
	install -d $(KMISC)
	install -m 644 -c $(addsuffix .ko,$(list-m)) $(KMISC)
	/sbin/depmod -a ${KVER}

uninstall:
	rm -rf $(addprefix $(KMISC),$(addsuffix .ko,$(list-m)))
	/sbin/depmod -a ${KVER}

endif # End of internal build