# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI=2

ESVN_REPO_URI="http://crystalhd-for-osx.googlecode.com/svn/trunk/"
[[ ${PV} = *9999* ]] && SVN_ECLASS="subversion" || SVN_ECLASS=""

inherit autotools eutils flag-o-matic linux-mod $SVN_ECLASS

DESCRIPTION="Kernel module supporting the Broadcom Crystal HD"
HOMEPAGE="http://www.broadcom.com/support/crystal_hd/"
#SRC_URI="http://www.broadcom.com/docs/support/crystalhd/crystalhd_linux_${PV}.zip"
#SRC_URI="mirror://gentoo/${P}.xz"

if [[ ${PV} == *9999* ]]; then
        RELEASE_URI=""
else
        RELEASE_URI="mirror://gentoo/${P}.tbz2"
fi

SRC_URI="${RELEASE_URI}"
LICENSE="LGPL-2.1"
SLOT="0"

if [[ ${PV} != *9999* ]]; then
        KEYWORDS="~amd64 ~x86"
else
        KEYWORDS=""
fi

IUSE="examples modules"
DEPEND="modules? ( virtual/linux-sources )"
S="${WORKDIR}"

module_check() {
	if use modules; then
		if linux_chkconfig_present CRYSTALHD; then
			linux_chkconfig_present CRYSTALHD
			eerror "You have opted to build the external kernel module."
			eerror "Please disable CrystalHD support in your kernel config, found at:"
			eerror
			eerror "  Device Drivers"
			eerror "    [*] Staging drivers"
			eerror "       [*]   Exclude Staging drivers from being built"
			eerror "          [ ]  Broadcom Crystal HD video decoder support"
			eerror
			eerror "and recompile your kernel ..."
			die "In-kernel CrystalHD support detected!"
		fi
	fi
}

pkg_setup() {
        if [[ ${PV} == *9999* ]]; then
                elog
                elog "This is a live ebuild which installs the latest from upstream's"
                elog "svn repository, and is unsupported by Gentoo."
                elog "Everything but bugs in the ebuild itself will be ignored."
                elog
        fi

	if use modules; then
		linux-mod_pkg_setup || die "Failed to configure kernel module"
		BUILD_TARGETS="all"
		MODULE_NAMES="crystalhd(staging:${S}/crystalhd/driver/linux/)"
		BUILD_PARAMS="KERN_DIR=${KV_DIR} KERNOUT=${KV_OUT_DIR}"
		ECONF_PARAMS=--with-kernel-path=${KV_DIR}
		module_check
	fi
}

src_unpack() {
        if [[ ${PV} = *9999* ]]; then
		subversion_src_unpack
        else
		unpack ${A}
        fi

	if use modules; then
		cd ${S}/crystalhd/driver/linux
		eautoconf
	fi
}

#src_prepare() {
#	if use appletv; then
#		# Better support AppleTV and their limited memory.
#		# reference http://forum.xbmc.org/showthread.php?t=81715
#		epatch "${FILESDIR}"/crystalhd-appletv.patch || die "Failed AppleTV patch."
#	fi
#
#	# Removes an annoying printk that is probably useful for someone.
#	epatch "${FILESDIR}"/remove-annoying-printk.patch || die "You're stuck with the annoying messages."
#}

#src_configure() {
#	if use modules; then
#		cd ${S}/driver/linux
#		eautoconf
#	fi
#}

src_compile() {
	cd ${S}/crystalhd/linux_lib/libcrystalhd
	emake  || die "Failed to compile library"
	if use modules; then
		linux-mod_src_compile || die "Failed to compile kernel module"
	fi
}

src_install() {
	if use modules; then
		linux-mod_src_install
		insinto /etc/udev/rules.d/
		doins ${S}/crystalhd/driver/linux/20-crystalhd.rules || die
	fi
	cd ${S}/crystalhd/linux_lib/libcrystalhd
	emake DESTDIR=${D} install || die "Failed to install library"

	if use examples; then
		insinto /usr/share/${PN}
		doins -r ${S}/crystalhd/examples
	fi
}

pkg_postinst() {
	if use modules; then
		cd ${S}/crystalhd/driver/linux
		linux-mod_pkg_postinst
	fi
}