# SliTaz package receipt.

PACKAGE="gpxe"
VERSION="0.9.3"
CATEGORY="system-tools"
SHORT_DESC="Ethernet bootloader."
MAINTAINER="pascal.bellard@slitaz.org"
LICENSE="GPL2"
SOURCE="ipxe"
TARBALL="$SOURCE-$VERSION.tar.bz2"
WEB_SITE="http://etherboot.org/wiki/"
WGET_URL="https://git.ipxe.org/release/$SOURCE/$TARBALL"

BUILD_DEPENDS="perl linld gcc49"

# What is the latest version available today?
current_version()
{
	wget -O - http://etherboot.org/wiki/ 2>/dev/null | \
	sed '/released/!d;s|.*gPXE-||;s| rel.*||;q'
}

# Rules to configure and make the package.
compile_rules()
{
	cd $src/src
	sed -i 's|uname -m|echo i486|' Makefile
	for i in prefix.u default_boot.u cmdline.u url_list.u gcc.u; do
		[ -f done.$i ] && continue
		echo "Apply $i..."
		patch -p2 < $stuff/$i || return 1
		touch done.$i
	done
	sed -i 's/ = ++ns->cur_rx %/++; ns->cur_rx %=/' drivers/net/ns83820.c
	sed -i 's/ = (++tp->cur_rx) %/++; tp->cur_rx %=/' drivers/net/tulip.c
	make CC=gcc-49 EXTRA_CFLAGS="-fno-strict-aliasing -Wno-error=unused-but-set-variable -Wno-error=array-bounds" \
	bin/gpxe.lkrn bin/undionly.kpxe  2>&1 | grep -v housekeeping: | grep -v blib.list
}

# Rules to gen a SliTaz package suitable for Tazpkg.
genpkg_rules()
{
	mkdir -p $fs/boot
	cp $src/src/bin/gpxe.lkrn $fs/boot/gpxe
	# install 255 bytes of forced url at offset 519
	echo -n "\
http://mirror.slitaz.org/pxe/pxelinux.0,\
http://mirror.switch.ch/ftp/mirror/pxe/pxelinux.0,\
http://download.tuxfamily.org/slitaz/pxe/pxelinux.0" | cat - /dev/zero | \
		dd bs=1 seek=519 count=255 conv=notrunc of=$fs/boot/gpxe
}

# Pre and post install commands for Tazpkg.
post_install()
{
	[ -s $1/boot/isolinux/isolinux.cfg ] &&
	! grep -qs 'Web Boot' $1/boot/isolinux/isolinux.cfg &&
	sed -i 's|i18n.cfg|&\n\
LABEL web zeb\
	MENU LABEL Web Boot\
	KERNEL /boot/gpxe|' $1/boot/isolinux/isolinux.cfg
	true
}