# SliTaz package receipt.

PACKAGE="linux-libre-api-headers"
VERSION="3.18.129-gnu"
CATEGORY="development"
SHORT_DESC="Kernel headers sanitized for use in userspace."
MAINTAINER="gokhlayeh@slitaz.org"
LICENSE="GPL2"
PROVIDE="linux-api-headers"
SOURCE="linux-libre"
TARBALL="$SOURCE-$VERSION.vcdiff"
WEB_SITE="http://www.fsfla.org/svnwiki/selibre/linux-libre/"
WGET_URL="http://linux-libre.fsfla.org/pub/linux-libre/releases/old/gen6/$VERSION/$TARBALL"
EXTRA_SOURCE_FILES="https://mirrors.edge.kernel.org/pub/linux/kernel/v${VERSION%%.*}.x/linux-${VERSION%-gnu}.tar.xz"

BUILD_DEPENDS="xdelta"

# What is the latest version available today?
current_version()
{
	wget -O - http://linux-libre.fsfla.org/pub/linux-libre/releases/ 2> /dev/null | \
	sed '/-gnu/!d;s|.*ref="||;s|/".*||' | sed '$!d'
}

# Common rules for cook_tmp_toolchain & compile_rules
build_rules()
{
	[ -s "$SOURCES_REPOSITORY/$(basename $EXTRA_SOURCE_FILES)" ] ||
			busybox wget -P "$SOURCES_REPOSITORY/" "$EXTRA_SOURCE_FILES" 
	xzcat < $SOURCES_REPOSITORY//$(basename $EXTRA_SOURCE_FILES) > $(basename $EXTRA_SOURCE_FILES .xz) 
	xdelta3 -d $TARBALL
	tar xf ${TARBALL/vcdiff/tar}
	mv linux-*/* .
	make mrproper &&
	make headers_check
}

# Rules to compile & install the temporary toolchain.
cook_tmp_toolchain()
{
	build_rules &&
	make INSTALL_HDR_PATH=dest headers_install &&
	cp -r dest/include/* /tools/include
}

# Rules to configure and make the package.
compile_rules()
{
	build_rules &&
	make INSTALL_HDR_PATH=$DESTDIR/usr headers_install
}

# Rules to gen a SliTaz package suitable for Tazpkg.
genpkg_rules()
{
	mkdir -p $fs/usr
	cp -a $install/usr/include $fs/usr
	rm -f $(find ${fs} -name .install -or -name ..install.cmd)
}

# Post install commands for Tazpkg.
post_install()
{
	# Removed old linux-libre-headers
	[ ! -d "$1/var/lib/tazpkg/installed/linux-libre-headers" ] ||
	rm -rf "$1/var/lib/tazpkg/installed/linux-libre-headers"
}