sys-kernel/xfs-sources/xfs-sources-2.4.20-r4.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-2.4.20-r4.ebuild,v 1.2 2004/01/04 01:22:58 scox 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.

ETYPE="sources"

inherit kernel
OKV=2.4.20
EXTRAVERSION=-xfs-r4
KV=${OKV}${EXTRAVERSION}
S=${WORKDIR}/linux-${KV}

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

DESCRIPTION="Full sources for the XFS Specialized Gentoo Linux kernel"
SRC_URI="mirror://kernel/linux/kernel/v2.4/linux-${OKV}.tar.bz2
	 mirror://gentoo/patches-${KV/-r4/-r3}.tar.bz2"
KEYWORDS="x86 -ppc -sparc "
SLOT="${KV}"

src_unpack() {
	unpack ${A}
	mv ${WORKDIR}/${KV/-r4/-r3} ${WORKDIR}/${KV}
	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!

	# If the compiler isn't gcc3 drop the gcc3 patches
	if [[ "${COMPILER}" == "gcc3" ]];then
		einfo "You are using gcc3, check out the special"
		einfo "processor types just for you"
	else
		einfo "Your compiler is not gcc3, dropping patches..."
		for file in *gcc3*;do
			einfo "Dropping ${file}..."
			rm -f ${file}
		done
	fi

	# This is the ratified crypt USE flag, enables IPSEC and patch-int
	if [ -z "`use crypt`" ]; then
		einfo "No Cryptographic support, dropping patches..."
		for file in 8*;do
			einfo "Dropping ${file}..."
			rm -f ${file}
		done
	else
		einfo "Cryptographic support enabled..."
	fi

	kernel_src_unpack

	cd ${S}
	epatch ${FILESDIR}/do_brk_fix.patch || die "failed to patch for do_brk vuln"
	epatch ${FILESDIR}/xfs-sources-2.4.20-gcc33.patch

}