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

EAPI=2

EGIT_REPO_URI="git://git.wilsonet.com/crystalhd.git"
[[ ${PV} = *9999* ]] && GIT_ECLASS="git" || GIT_ECLASS=""

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

DESCRIPTION="Library and kernel module supporting the Broadcom CrystalHD"
HOMEPAGE="http://www.broadcom.com/support/crystal_hd/"

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 "git 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:${S}/driver/linux/)"
		BUILD_PARAMS="KERN_DIR=${KV_DIR} KERNOUT=${KV_OUT_DIR}"
		ECONF_PARAMS=--with-kernel-path=${KV_DIR}
		module_check
	fi
}

src_unpack() {
        if [[ ${PV} = *9999* ]]; then
                git_src_unpack
        else
                unpack ${A}
        fi
	if use modules; then
		cd ${S}/driver/linux
		eautoconf
	fi
}

src_compile() {
	cd ${S}/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}/driver/linux/20-crystalhd.rules || die
	fi
	cd ${S}/linux_lib/libcrystalhd
	emake DESTDIR=${D} install || die "Failed to install library"

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

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