# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-boot/arcload/arcload-0.50-r1.ebuild,v 1.3 2011/04/10 14:13:49 ulm Exp $

inherit eutils toolchain-funcs versionator

# Hack until upstream renames from 0.5 to 0.50
MY_PV="${PV/50/5}"

DESCRIPTION="ARCLoad - SGI Multi-bootloader.  Able to bootload many different SGI Systems."
HOMEPAGE="http://www.linux-mips.org/wiki/index.php/ARCLoad"
SRC_URI="ftp://ftp.linux-mips.org/pub/linux/mips/people/skylark/${PN}-${MY_PV}.tar.bz2"
LICENSE="as-is"
SLOT="0"
KEYWORDS="-* ~mips"
IUSE=""
DEPEND="sys-boot/dvhtool"
RDEPEND=""
RESTRICT="strip"

S="${WORKDIR}/${PN}-${MY_PV}"

pkg_setup() {
	# See if we're on a cobalt system
	if [ "${PROFILE_ARCH}" = "cobalt" ]; then
		echo -e ""
		eerror "This package is only intended for SGI systems.  It will not work on any"
		eerror "other types of MIPS-based systems or any other architectures"
		echo -e ""
		die
	fi
}

src_unpack() {
	unpack ${A}
	cd "${S}"
	# For gcc-4.x, quiet down some of the warnings
	$(version_is_at_least "4.0" "$(gcc-version)") && \
		epatch "${FILESDIR}"/${P}-shut-gcc4x-up.patch

	# Redefine the targets in the primary Makefile to give us
	# finer control over building the tools.  This is for properly
	# cross-compiling arcload
	epatch "${FILESDIR}"/${P}-makefile-targets.patch
}

src_compile() {
	# Build the wreckoff tool first.  It converts a 32bit MIPS ELF
	# into a relocatable ECOFF image.  We call for BUILD_CC
	# on the offchance that we're cross-compiling.
	echo -e ""
	einfo ">>> Building the 'wreckoff' utility with $(tc-getBUILD_CC) ..."
	make CC=$(tc-getBUILD_CC) tools_clean tools || die

	# 32bit copy (sashARCS for IP22/IP32)
	echo -e ""
	einfo ">>> Building 32-bit version (sashARCS) for IP22/IP32 ..."
	cd "${S}"
	make MODE=M32 bootloader_clean || die
	make CC=$(tc-getCC) LD=$(tc-getLD) MODE=M32 bootloader || die
	cp "${S}"/arcload.ecoff "${WORKDIR}"/sashARCS

	# 64bit copy (sash64 for IP27/IP28/IP30)
	echo -e ""
	einfo ">>> Building 64-bit version (sash64) for IP27/IP28/IP30 ..."
	make MODE=M64 bootloader_clean || die
	make CC=$(tc-getCC) LD=$(tc-getLD) MODE=M64 bootloader || die
	cp "${S}"/arcload "${WORKDIR}"/sash64
}

src_install() {
	dodir /usr/lib/arcload
	cp "${WORKDIR}"/sashARCS "${D}"/usr/lib/arcload
	cp "${WORKDIR}"/sash64 "${D}"/usr/lib/arcload
	cp "${S}"/arc.cf-bootcd "${D}"/usr/lib/arcload/arc-bootcd.cf
	cp "${S}"/arc.cf-octane "${D}"/usr/lib/arcload/arc-octane.cf
}

pkg_postinst() {
	echo -e ""
	einfo "ARCLoad binaries copied to: /usr/lib/arcload"
	echo -e ""
	einfo "Use of ARCLoad is relatively easy:"
	einfo "\t1) Determine which version you need"
	einfo "\t\tA) sashARCS for IP22/IP32"
	einfo "\t\tB) sash64 for IP27/IP28/IP30"
	einfo "\t2) Copy that to the volume header using 'dvhtool'"
	einfo "\t3) Edit /usr/lib/arcload/arc-*.cf to fit your specific system"
	einfo "\t   (See ${HOMEPAGE} for"
	einfo "\t    an explanation of the format of the config file)"
	einfo "\t4) Copy the config file to the volume header with 'dvhtool' as 'arc.cf'"
	einfo "\t5) Copy any kernels to the volume header that you want to be bootable"
	einfo "\t6) Reboot, and enjoy!"
	echo -e ""
}