sys-kernel/xfs-sources/xfs-sources-2.4.19-r3.ebuild


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# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-kernel/xfs-sources/xfs-sources-2.4.19-r3.ebuild,v 1.2 2004/04/27 22:13:39 agriffis Exp $

IUSE="build crypt"

# OKV=original kernel version, KV=patched kernel version.  They can be the same.

# Kernel ebuilds using the kernel.eclass can remove any patch that you
# do not want to apply by simply setting the KERNEL_EXCLUDE shell
# variable to the string you want to exclude (for instance
# KERNEL_EXCLUDE="evms" would not patch any patches whose names match
# *evms*).  Kernels are only tested in the default configuration, but
# this may be useful if you know that a particular patch is causing a
# conflict with a patch you personally want to apply, or some other
# similar situation.

# This kernel also has support for the local USE flag acpi4linux which
# activates the latest code from acpi.sourceforge.net instead of the
# very out of date vanilla version

ETYPE="sources"

inherit kernel eutils
OKV="`echo ${PV}|sed -e 's:^\([0-9]\+\.[0-9]\+\.[0-9]\+\).*:\1:'`"
EXTRAVERSION="-${PN/-*/}"
[ ! "${PR}" == "r0" ] && EXTRAVERSION="${EXTRAVERSION}-${PR}"
KV="${OKV}${EXTRAVERSION}"

S=${WORKDIR}/linux-${KV}

# Documentation on the patches contained in this kernel will be installed
# to /usr/share/doc/lolo-sources-${PV}/patches.txt.gz

DESCRIPTION="Full sources for the XFS Specialized Gentoo Linux kernel"
SRC_URI="mirror://kernel/linux/kernel/v2.4/linux-${OKV}.tar.bz2
	 http://gentoo.lostlogicx.com/patches-${KV/${PR}/r2}.tar.bz2"
KEYWORDS="x86 -ppc -sparc "
SLOT="${KV}"

src_unpack() {
	unpack ${A}
	mv linux-${OKV} linux-${KV} || die

	cd ${KV}
	# Kill patches we aren't suppposed to use, don't worry about 
	# failures, if they aren't there that is a good thing!

	# This is the ratified crypt USE flag, enables IPSEC and patch-int
	[ `use crypt` ] || rm 8*

	# This is the latest release of ACPI from 
	# http://www.sourceforge.net/projects/acpi	
	[ `use acpi4linux` ] || rm 70*

	cd ${S}
	epatch ${FILESDIR}/do_brk_fix.patch || die "Failed to patch do_brk() vulnerability!"
	epatch ${FILESDIR}/${PN}.CAN-2003-0985.patch || die "Failed to patch mremap() vulnerability!"
	epatch ${FILESDIR}/${P}.rtc_fix.patch || die "Failed to patch RTC vulnerabilities!"

	kernel_src_unpack
}