# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the WTFPL
# $Header: $

EAPI="4"
inherit eutils linux-mod

DESCRIPTION="Broadcom's IEEE 802.11a/b/g/n hybrid Linux device driver."
HOMEPAGE="https://launchpad.net/ubuntu/+source/bcmwl http://www.broadcom.com/support/802.11/linux_sta.php"
BASE_URI="https://launchpad.net/~albertomilone/+archive/broadcom/+files/bcmwl-kernel-source_${PV}%2Bbdcom-0ubuntu1%7Eppa1_"
SRC_URI="amd64? ( ${BASE_URI}amd64.deb )
		x86? ( ${BASE_URI}i386.deb )"

LICENSE="Broadcom"
KEYWORDS="~amd64 ~x86"
IUSE=""

RESTRICT="mirror"

DEPEND="virtual/linux-sources"
RDEPEND=""

#S="${WORKDIR}"
S="${WORKDIR}/usr/src/bcmwl-${PV}+bdcom"

MODULE_NAMES="wl(net/wireless)"
MODULESD_WL_ALIASES=("wlan0 wl")

pkg_setup() {
	# bug #300570
	# NOTE<lxnay>: module builds correctly anyway with b43 and SSB enabled
	# make checks non-fatal. The correct fix is blackisting ssb and, perhaps
	# b43 via udev rules. Moreover, previous fix broke binpkgs support.
	CONFIG_CHECK="~!B43 ~!SSB"
	if kernel_is ge 2 6 32; then
		CONFIG_CHECK="${CONFIG_CHECK} CFG80211 LIB80211 ~!MAC80211"
	elif kernel_is ge 2 6 31; then
		CONFIG_CHECK="${CONFIG_CHECK} LIB80211 WIRELESS_EXT ~!MAC80211"
	elif kernel_is ge 2 6 29; then
		CONFIG_CHECK="${CONFIG_CHECK} LIB80211 WIRELESS_EXT ~!MAC80211 COMPAT_NET_DEV_OPS"
	elif kernel_is ge 3 8 0; then
		ewarn "Due to licensing issues this driver is unusable with kernel 3.8."
		ewarn "Meaning: This build will likely not succeed."
	else
		CONFIG_CHECK="${CONFIG_CHECK} IEEE80211 IEEE80211_CRYPT_TKIP"
	fi
	linux-mod_pkg_setup

	BUILD_PARAMS="-C ${KV_DIR} M=${S}"
	BUILD_TARGETS="wl.ko"
}

src_unpack() {
	if use amd64
	then
		ar x "${DISTDIR}/"`basename ${BASE_URI}amd64.deb` || die "first extract failed"
	elif use x86
	then
		ar x "${DISTDIR}/"`basename ${BASE_URI}i386.deb` || die "first extract failed"
	else
		die "This driver is only usable on x86 arches."
	fi
	tar xzf "${WORKDIR}/data.tar.gz" || die "second extract failed"
}

src_prepare() {
	einfo
	einfo "These patches come from some mighty proficient Debian programmer"
	einfo "whose work I shamelessly exploit for Gentoo's benefit."
	einfo "This ebuild was tested with 3.7.10-gentoo-r1."
	einfo "If one of them patches fails against other versions, please comment"
	einfo "in https://bugs.gentoo.org/show_bug.cgi?id=438622"
	einfo
#	Filter the outdated patches here
#	This needs more testing against multiple versions.
#	So far the filtered patches seem to be cruft from older versions.
	for i in `ls patches/*.patch \
		| sed -e '/0004/d' -e '/0005/d'`
	do
		epatch ${i}
	done
#	replace debian's proprietary machine check and keep `emake install` working
	sed -e 's/dpkg --print-architecture),amd64/uname -m),x86_64/' \
		-e 's#\(KBASE\s*?=\s*/lib/modules/\)`uname -r`#\1'${KV_FULL}'#' \
		-e 's#\(\$(MDEST_DIR)\)#'${D}'\1/wl.ko#' \
		-i Makefile \
		|| die "sed in Makefile failed"
}

src_compile() {
	if use x86
		then emake ARCH="i386"
	elif use amd64
		then emake ARCH="x86_64"
	fi
}

src_install() {
	emake install
}