group := kernel
version_of = src/dvb
modules := b2c2-flexcop-pci budget budget-av budget-ci budget-patch cx23885 cx25821 cx25840 cx88-dvb ddbridge dm1105 dvb-bt8xx dvb-ttpci earth-pt1 hopper ivtv mantis ngene pluto2 saa7134 saa7134-dvb tuner wm8775 saa716x_budget saa716x_ff smsdvb tm6000-dvb
deps := libproc-process-perl

include ../Makefile.default
include ../Makefile.tools


all: $(modul).$(suffix)

clean: _clean
	rm -rf lib include
	rm -rf src/dvb*

$(modul): lib $(addon)
	$(MAKE) frontend
	mkdir -p $@/usr/share/dvb
	echo "$(modules)" > $@/usr/share/dvb/modules.pci


lib: src/dvb
	echo "  Build dvb Modules"
	rm -rf $@
	$(MAKE) -C src/dvb
	$(MAKE) -C src/dvb install DESTDIR=$$(pwd)

include: src/dvb
	ln -fs src/dvb/linux/include $@

src/dvb: src/dvb-$(version) ../KERNEL/lib
	rm -f $@
	touch src/dvb-$(version)
	ln -sf dvb-$(version) $@
	echo -e "$(indent)$(color_cyan)copy .config$(color_reset)"
	echo -e "$(indent)$(color_cyan)  for module changes please edit dvb/src/.config$(color_reset)"
	cp src/.config $@/v4l
	if ! grep -sqe "KERNELRELEASE:=$(KERNEL)$$" src/dvb/v4l/.version; then \
		$(MAKE) -C src/dvb release DIR=$$(pwd)/../KERNEL/src/linux; \
		sed "s/KERNELRELEASE:=.*/KERNELRELEASE:=$(KERNEL)/" -i src/dvb/v4l/.version; \
		ln -fs $$(pwd)/../KERNEL/src/linux/include/linux/compiler.h src/dvb/linux/include/linux/; \
		$(MAKE) -C src/dvb clean; \
	fi

src/dvb-$(version):
	$(MAKE) -f ../Makefile.getfile file=src/$(name).tgz rule=src/dvb-HEAD
	rm -rf $@
	tar xf src/dvb.tgz -C src
	mv src/dvb-HEAD $@
	ln -fs $$(pwd)/../KERNEL/src/linux/include/linux/compiler.h $@/linux/include/linux/compiler.h
	$(MAKE) patch src_path=$@

src/dvb-HEAD:
	echo -e "$(indent)$(color_cyan)clone dvb driver$(color_reset)"
	hg clone http://linuxtv.org/hg/~endriss/media_build_experimental $@
	echo -e "$(indent)$(color_cyan)download patches$(color_reset)"
	$(MAKE) -C $@ download
	echo -e "$(indent)$(color_cyan)install patches$(color_reset)"
	$(MAKE) -C $@ untar
	tar -caf $(file) -C $(@D) $(@F)
	rm -rf $@

frontend:
	grep -aorh --exclude="*\.svn*" -E "symbol:[^ ]*_attach" $(modul)/lib/modules/$(KERNEL)/kernel/drivers/media/* | sort -u | sed "s/.*:\(.*\)_.*/\1/" | sed "s/\(.*\)_attach.*/\1/" | while read modul; do \
		file=`find lib/modules/$(KERNEL) -name $$modul.ko -printf "%P\n"`; \
		if [ -z "$$file" ]; then \
			modul=$$(grep symbol:$${modul}_attach lib/modules/$(KERNEL)/modules.symbols | cut -d " " -f 3 | sed "s/_/-/"); \
			file=`find lib/modules/$(KERNEL) -name $$modul.ko -printf "%P\n"`; \
		fi; \
		if [ -z "$$file" ]; then \
			echo -e "\t  Frontend Modul nicht gefunden: $$modul.ko"; \
		else \
			if [ ! -e $(modul)/lib/modules/$(KERNEL)/$$file ]; then \
				true || echo -e "\t  Kopiere Frontend Modul: $$modul.ko"; \
			fi; \
			mkdir -p $(modul)/lib/modules/$(KERNEL)/$${file%/*}; \
			cp -up lib/modules/$(KERNEL)/$$file $(modul)/lib/modules/$(KERNEL)/$$file; \
		fi; \
	done