# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI="4"

inherit eutils toolchain-funcs
if [[ ${PV} == "9999" ]] ; then
	ESVN_REPO_URI="https://code.coreboot.org/svn/flashrom/trunk"
	inherit subversion
else
	SRC_URI="https://download.flashrom.org/releases/${P}.tar.bz2"
	KEYWORDS="amd64 arm x86"
fi

DESCRIPTION="Utility for reading, writing, erasing and verifying flash ROM chips"
HOMEPAGE="https://flashrom.org/"

LICENSE="GPL-2"
SLOT="0"
IUSE="atahpt +bitbang_spi +buspirate_spi +dediprog doc +drkaiser
+dummy ft2232_spi +gfxnvidia +internal +nic3com +nicintel +nicintel_spi
nicnatsemi nicrealtek +ogp_spi rayer_spi
+pony_spi +satasii satamv +serprog +wiki"

COMMON_DEPEND="atahpt? ( sys-apps/pciutils )
	dediprog? ( virtual/libusb:0 )
	drkaiser? ( sys-apps/pciutils )
	ft2232_spi? ( dev-embedded/libftdi:0 )
	gfxnvidia? ( sys-apps/pciutils )
	internal? ( sys-apps/pciutils )
	nic3com? ( sys-apps/pciutils )
	nicintel? ( sys-apps/pciutils )
	nicintel_spi? ( sys-apps/pciutils )
	nicnatsemi? ( sys-apps/pciutils )
	nicrealtek? ( sys-apps/pciutils )
	rayer_spi? ( sys-apps/pciutils )
	satasii? ( sys-apps/pciutils )
	satamv? ( sys-apps/pciutils )
	ogp_spi? ( sys-apps/pciutils )"
RDEPEND="${COMMON_DEPEND}
	internal? ( sys-apps/dmidecode )"
DEPEND="${COMMON_DEPEND}
	sys-apps/diffutils"

_flashrom_enable() {
	local c="CONFIG_${2:-$(echo $1 | tr [:lower:] [:upper:])}"
	args+=" $c=$(usex $1 yes no)"
}
flashrom_enable() {
	local u
	for u in "$@" ; do _flashrom_enable $u ; done
}

src_compile() {
	local progs=0
	local args=""

	# Programmer
	flashrom_enable \
		atahpt bitbang_spi buspirate_spi dediprog drkaiser \
		ft2232_spi gfxnvidia nic3com nicintel nicintel_spi nicnatsemi nicrealtek \
		ogp_spi rayer_spi pony_spi \
		satasii satamv serprog \
		internal dummy
	_flashrom_enable wiki PRINT_WIKI

	# You have to specify at least one programmer, and if you specify more than
	# one programmer you have to include either dummy or internal in the list.
	for prog in ${IUSE//[+-]} ; do
		case ${prog} in
			internal|dummy|wiki) continue ;;
		esac

		use ${prog} && : $(( progs++ ))
	done
	if [ $progs -ne 1 ] ; then
		if ! use internal && ! use dummy ; then
			ewarn "You have to specify at least one programmer, and if you specify"
			ewarn "more than one programmer, you have to enable either dummy or"
			ewarn "internal as well.  'internal' will be the default now."
			args+=" CONFIG_INTERNAL=yes"
		fi
	fi

	# WARNERROR=no, bug 347879
	tc-export AR CC RANLIB
	emake WARNERROR=no ${args} || die
}

src_install() {
	dosbin flashrom || die
	doman flashrom.8
	dodoc ChangeLog README

	if use doc; then
		dodoc Documentation/*.txt
	fi
}