# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-tv/linuxtv-dvb/linuxtv-dvb-1.1.1-r1.ebuild,v 1.11 2005/12/10 03:22:29 metalgod Exp $

inherit eutils kernel-mod

DESCRIPTION="Standalone DVB driver for Linux kernel 2.4.x"
HOMEPAGE="http://www.linuxtv.org"
SRC_URI="http://www.linuxtv.org/download/dvb/${P}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="alpha amd64 ia64 ppc x86"
IUSE=""
DEPEND="virtual/linux-sources"
#RDEPEND=""

pkg_setup() {
	if kernel-mod_is_2_4_kernel; then
		einfo
		einfo "Please make sure that the following option is enabled"
		einfo "in your current kernel 'Multimedia devices'"
		einfo "and /usr/src/linux point's to your current kernel"
		einfo "or make will die."
		einfo
	fi
}

src_compile() {
	# Nothing to compile if running on a kernel 2.6 system
	# modules in kernel are newer!
	if kernel-mod_is_2_4_kernel; then
		# don't interfere with the kernel arch variables
		unset ARCH
		emake BUILD_DIR=${S}/build-2.4 KDIR=/usr/src/linux || die "emake failed"
	else
		einfo "Nothing to compile."
	fi
}

src_install() {
	# see what kernel directory we need to
	# go to
	if kernel-mod_is_2_4_kernel; then
		cd ${S}/build-2.4
		KV_OBJ="o"
	else
		KV_OBJ="ko"
	fi

	if kernel-mod_is_2_4_kernel; then
		#copy over the insmod.sh script
		#for loading all modules
		sed -e "s:insmod ./:modprobe :" -i insmod.sh
		sed -e "s:.${KV_OBJ}::" -i insmod.sh
		newsbin insmod.sh dvb-module-load
	else
		# copy kernel 2.6 insmod.sh script
		sed -e "s:insmod ./:modprobe :" -i build-2.6/insmod.sh
		sed -e "s:.${KV_OBJ}::" -i build-2.6/insmod.sh
		newsbin build-2.6/insmod.sh dvb-module-load
	fi

	if kernel-mod_is_2_4_kernel; then
		# install the modules
		insinto /lib/modules/${KV}/misc
		doins *.${KV_OBJ}

		# install the header files
		# linux26-headers installs those
		# FIXME: is it save to assume _all_ kernel 2.6 users got that?
		cd ${S}/linux/include/linux/dvb
		insinto /usr/include/linux/dvb
		doins *.h
	fi

	#install the main docs
	cd ${S}
	dodoc MAKEDEV-DVB.sh NEWS README README.bt8xx TODO TROUBLESHOOTING

	#install the other docs
	cd ${S}/doc
	dodoc HOWTO-use-the-demux-api \
	README.valgrind HOWTO-use-the-frontend-api \
	convert.sh valgrind-2.1.0-dvb.patch
}

pkg_postinst() {
	einfo "If you don't use devfs, execute MAKEDEV-DVB.sh to create"
	einfo "the device nodes. The file is in /usr/share/doc/${PF}/"
	einfo
	einfo "A file called dvb-module-load has been created to simplify loading all modules."
	einfo "Call it using 'dvb-module-load {load|debug|unload}'."
	einfo
	einfo "For information about firmware please see /usr/share/doc/${PF}/README."
	einfo
	einfo "Firmware-files can be found in media-tv/linuxtv-dvb-firmware"
	einfo

	if kernel-mod_is_2_4_kernel; then
		einfo "Checking kernel module dependencies"
		test -r "${ROOT}/usr/src/linux/System.map" && \
			depmod -ae -F "${ROOT}/usr/src/linux/System.map" -b "${ROOT}" -r ${KV}
	else
	        einfo
			einfo "Modules for kernel 2.6 will not be built."
			einfo "According to the README-2.6 the driver in kernel"
			einfo "2.6.1 and above is regularily kept up-to-date."
			einfo "Therefore it is very likely that your kernel"
			einfo "has newer modules then the latest release."
			einfo "This ebuild will just install the docs"
			einfo "on kernel 2.6 machines."
			einfo
	fi
}