group := kernel
version_of = src/v4l-dvb
latest_version = $(shell date +%Y.%m.%d)
modulesDir = drivers/media/IR/keymaps/
modules := b2c2-flexcop-pci budget budget-av budget-ci budget-patch cx25840 cx88-dvb dm1105 dvb-bt8xx dvb-ttpci earth-pt1 ivtv mantis pluto2 saa7134 saa7134-dvb tuner wm8775

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


all: $(modul).$(suffix)

clean: _clean
	rm -rf lib include
	rm -rf src/v4l-dvb-$(version)

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


lib: src/v4l-dvb
	echo "  Build dvb Modules"
	rm -rf $@
	$(MAKE) -C src/v4l-dvb
	$(MAKE) -C src/v4l-dvb install DESTDIR=$$(pwd)

include: src/v4l-dvb
	ln -fs src/v4l-dvb/linux/include $@

src/v4l-dvb: src/v4l-dvb-$(version) ../KERNEL/lib
	rm -f $@
	ln -sf v4l-dvb-$(version) $@
	if ! grep -sqe "KERNELRELEASE:=$(KERNEL)$$" src/v4l-dvb/v4l/.version; then \
		$(MAKE) -C src/v4l-dvb release DIR=$$(pwd)/../KERNEL/src/linux; \
		sed "s/KERNELRELEASE:=.*/KERNELRELEASE:=$(KERNEL)/" -i src/v4l-dvb/v4l/.version; \
		ln -fs $$(pwd)/../KERNEL/src/linux/include/linux/compiler.h src/v4l-dvb/linux/include/linux/; \
		$(MAKE) -C src/v4l-dvb clean; \
	fi

src/v4l-dvb-$(version): src/v4l-dvb-$(version).tar.bz2
	rm -rf $@
	mkdir -p $@
	tar xf $^ -C $@
	mv $@/*/* $@
	cd $@; ls ../*.patch | while read patch; do \
		echo -e "\tApply patch $$patch"; \
		patch -p1 -i $$patch || exit 1; \
	done

src/v4l-dvb-$(version).tar.bz2:
	wget "http://linuxtv.org/hg/v4l-dvb/archive/tip.tar.bz2" -O $@


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