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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI="5"
ETYPE="sources"
KEYWORDS="~amd64 ~x86"
IUSE="bfsonly experimental urwlocks"
HOMEPAGE="https://dev.gentoo.org/~mpagano/genpatches/
http://users.on.net/~ckolivas/kernel/"
K_WANT_GENPATCHES="base extras"
K_GENPATCHES_VER="90"
K_SECURITY_UNSUPPORTED="1"
K_DEBLOB_AVAILABLE="1"
inherit kernel-2
detect_version
detect_arch
K_BRANCH_ID="${KV_MAJOR}.${KV_MINOR}"
DESCRIPTION="Full Linux ${K_BRANCH_ID} kernel sources with Con Kolivas' high performance patchset and Gentoo's genpatches"
#-- If Gentoo-Sources don't follow then extra incremental patches are needed -
XTRA_INCP_MIN=""
XTRA_INCP_MAX=""
#--
CK_VERSION="3"
BFS_VERSION="424"
CK_FILE="patch-${K_BRANCH_ID}-ck${CK_VERSION}.bz2"
BFS_FILE="${K_BRANCH_ID}-sched-bfs-${BFS_VERSION}.patch"
XPR_1_FILE="bfs${BFS_VERSION}-grq_urwlocks.patch"
XPR_2_FILE="urw-locks.patch"
CK_BASE_URL="http://ck.kolivas.org/patches/3.0"
CK_LVER_URL="${CK_BASE_URL}/${K_BRANCH_ID}/${K_BRANCH_ID}-ck${CK_VERSION}"
CK_URI="${CK_LVER_URL}/${CK_FILE}"
BFS_URI="${CK_LVER_URL}/patches/${BFS_FILE}"
XPR_1_URI="${CK_LVER_URL}/patches/${XPR_1_FILE}"
XPR_2_URI="${CK_LVER_URL}/patches/${XPR_2_FILE}"
#-- Build extra incremental patches list --------------------------------------
LX_INCP_URI=""
LX_INCP_LIST=""
if [ -n "${XTRA_INCP_MIN}" ]; then
LX_INCP_URL="${KERNEL_BASE_URI}/incr"
for i in `seq ${XTRA_INCP_MIN} ${XTRA_INCP_MAX}`; do
LX_INCP[i]="patch-${K_BRANCH_ID}.${i}-$(($i+1)).bz2"
LX_INCP_URI="${LX_INCP_URI} ${LX_INCP_URL}/${LX_INCP[i]}"
LX_INCP_LIST="${LX_INCP_LIST} ${DISTDIR}/${LX_INCP[i]}"
done
fi
#-- CK needs sometimes to patch itself... -------------------------------------
CK_INCP_URI=""
CK_INCP_LIST=""
#-- Local patches needed for the ck-patches to apply smoothly -----------------
PRE_CK_FIX="${FILESDIR}/${PN}-3.4-3.5-PreCK-Sched_Fix_Race_In_Task_Group-aCOSwt_P4.patch"
POST_CK_FIX="${FILESDIR}/${PN}-3.4-3.5-PostCK-Sched_Fix_Race_In_Task_Group-aCOSwt_P5.patch ${FILESDIR}/${PN}-3.4.9-calc_load_idle-aCOSwt_P3.patch"
POST_CK_FIX="${POST_CK_FIX} ${FILESDIR}/${PN}-3.4.81-update_cpu_load-aCOSwt_P9.patch"
#--
SRC_URI="${KERNEL_URI} ${LX_INCP_URI} ${GENPATCHES_URI} ${ARCH_URI} ${CK_INCP_URI}
!bfsonly? ( ${CK_URI} )
bfsonly? ( ${BFS_URI} )
experimental? (
urwlocks? ( ${XPR_1_URI} ${XPR_2_URI} ) )"
UNIPATCH_LIST="${LX_INCP_LIST} ${PRE_CK_FIX} ${DISTDIR}"
if ! use bfsonly ; then
UNIPATCH_LIST="${UNIPATCH_LIST}/${CK_FILE}"
else
UNIPATCH_LIST="${UNIPATCH_LIST}/${BFS_FILE}"
fi
UNIPATCH_LIST="${UNIPATCH_LIST} ${CK_INCP_LIST} ${POST_CK_FIX}"
if use experimental ; then
if use urwlocks ; then
UNIPATCH_LIST="${UNIPATCH_LIST} ${DISTDIR}/${XPR_1_FILE} ${DISTDIR}/${XPR_2_FILE}:1"
fi
fi
UNIPATCH_STRICTORDER="yes"
src_prepare() {
#-- Comment out CK's EXTRAVERSION in Makefile ---------------------------------
sed -i -e 's/\(^EXTRAVERSION :=.*$\)/# \1/' "${S}/Makefile"
}
pkg_postinst() {
kernel-2_pkg_postinst
elog
elog "For more info on this patchset, see: https://forums.gentoo.org/viewtopic-t-941030-start-0.html"
elog
}
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