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scst: Add script for rebuilding RHEL / CentOS / Scientific Linux kernel RPMs
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3890 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
312
scripts/rebuild-rhel-kernel-rpm
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312
scripts/rebuild-rhel-kernel-rpm
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#!/bin/bash
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############################################################################
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#
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# Copyright (C) 2008-2009 Bart Van Assche <bvanassche@acm.org>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation, version 2
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# of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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############################################################################
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############################################################################
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#
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# The recommended way to use this script is as follows:
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# - Create an additional user, e.g. builder
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# - Add a line to the sudoers file that allows that user to invoke yum and
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# yum-builddep.
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# - Add the source repositories in /etc/yum.repos.d.
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# - One way to do that is by invoking the following shell commands as root:
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# useradd builder
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# echo 'builder ALL=(ALL) NOPASSWD: /usr/bin/yum, /usr/bin/yum-builddep' >>/etc/sudoers
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# visudo -sc
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#
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# For more information about building a custom RHEL / CentOS / Scientific Linux
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# kernel RPM, see also:
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# * CentOS wiki, "I Need to Build a Custom Kernel"
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# (http://wiki.centos.org/HowTos/Custom_Kernel).
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# * Fedora wiki, "Building a custom kernel"
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# (http://fedoraproject.org/wiki/Building_a_custom_kernel).
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#
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############################################################################
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scst_dir="$(dirname "$(dirname "$0")")"
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downloaddir=$HOME/software/downloads
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rpmbuild_dir=$HOME/rpmbuild
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if [ "$1" = "" ]; then
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kernel="kernel-$(uname -r)"
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else
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kernel="$1"
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fi
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arch="$(uname -m)"
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kernel="${kernel%.${arch}}"
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kernel_src_rpm="${kernel}.src.rpm"
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kver="${kernel#kernel-}"
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distro="$(sed -n -e 's/^\(.*\) release .*$/\1/p' /etc/issue)"
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releasever="$(sed -n -e 's/^.* release \([0-9.]*\) .*$/\1/p' /etc/issue)"
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releasevermajor="$(echo $releasever | cut -f1 -d.)"
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releaseverminor="$(echo $releasever | cut -f2 -d.)"
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case "$distro" in
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"CentOS"*)
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if [ $releasevermajor = 5 ]; then
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srpm_url=("http://vault.centos.org/${releasever}/os/SRPMS" "http://vault.centos.org/${releasever}/updates/SRPMS")
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else
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srpm_url=("http://mirror.centos.org/centos/${releasever}/os/SRPMS/Packages" "http://mirror.centos.org/centos/${releasever}/updates/SRPMS")
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fi
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;;
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"Red Hat Enterprise Linux"*)
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srpm_url=("http://ftp.redhat.com/pub/redhat/linux/enterprise/${releasevermajor}Server/en/os/SRPMS")
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;;
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"Scientific Linux")
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if [ "$releasevermajor" = 6 ]; then
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srpm_url=("http://ftp.scientificlinux.org/linux/scientific/$releasever/SRPMS/vendor")
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else
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srpm_url=("http://ftp.scientificlinux.org/linux/scientific/$releasevermajor$releaseverminor/SRPMS/vendor")
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fi
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;;
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*)
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echo "Unknown type of distribution: $distro"
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exit 1
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;;
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esac
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function log {
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echo
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echo "$@"
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echo
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}
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function copy_patch {
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local p="$1"
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while [ ! -e "$p" ]
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do
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local q="$(echo "$p" | sed 's/[.-][a-z0-9]*\.patch$/.patch/')"
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if [ "$q" = "$p" ]; then
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break;
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fi
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p="$q"
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done
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if [ ! -e "$p" ]; then
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echo "Error: patch $1 not found"
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echo "Please report this on the scst-devel mailing list"
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exit 1
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fi
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ln -s "$p" "$2"
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}
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if [ -e ${rpmbuild_dir} ]; then
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echo "You have to remove the ${rpmbuild_dir} directory before starting $0"
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exit 1
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fi
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if [ ! -e "${scst_dir}" ]; then
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echo "Error: directory ${scst_dir} not found. Please modify scst_dir in $0."
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exit 1
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fi
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log "Installing prerequisites"
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sudo yum install -y -q asciidoc binutils-devel elfutils-libelf-devel hmaccalc ncurses-devel newt-devel patchutils 'perl(ExtUtils::Embed)' python-devel redhat-rpm-config rpmdevtools rng-tools rpm-build unifdef xmlto yum-utils zlib-devel
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rc=$?; if [ $rc != 0 ]; then exit $rc; fi
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log "Creating directory ${rpmbuild_dir}"
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mkdir -p ${rpmbuild_dir}/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
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log "Updating ~/.rpmmacros"
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if [ -e ~/.rpmmacros ]; then
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cp ~/.rpmmacros ~/.rpmmacros.tmp
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else
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touch ~/.rpmmacros.tmp
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fi
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{ cat ~/.rpmmacros.tmp | grep -v '^%_topdir '; \
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echo "%_topdir ${rpmbuild_dir}"; } > ~/.rpmmacros
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rm -f ~/.rpmmacros.tmp
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log "Installing, unpacking and preparing kernel source files"
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mkdir -p ${downloaddir}
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if [ ! -e ${downloaddir}/${kernel_src_rpm} ]; then
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cd ${downloaddir}
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for dir in ${srpm_url[@]}
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do
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url="$dir/${kernel_src_rpm}"
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echo "Trying $url ..."
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if wget -q "$url"; then
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break
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fi
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done
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if [ ! -e ${downloaddir}/${kernel_src_rpm} ]; then
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echo "Downloading kernel source failed. Has the yum source repository been configured in /etc/yum.repos.d ?"
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exit 1
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fi
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fi
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log "Installing kernel build prerequisites"
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sudo yum-builddep -q -y ${downloaddir}/${kernel_src_rpm}
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log "Installing kernel sources in ${rpmbuild_dir}"
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cd ${rpmbuild_dir}
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{ rpm -i ${downloaddir}/${kernel_src_rpm} 2>&1 \
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| grep -v ' does not exist'; }
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cd SPECS
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{ rpmbuild -bp --target=${arch} kernel*.spec; \
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rc=$?; if [ rc != 0 ]; then exit $rc; fi; } 2>&1 \
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| tee prep-err.log
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log "Copying SCST patches to the SOURCES directory"
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cd ${rpmbuild_dir}/SOURCES
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copy_patch $scst_dir/scst/kernel/rhel/scst_exec_req_fifo-${kver}.patch scst_exec_req_fifo.patch
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copy_patch $scst_dir/iscsi-scst/kernel/patches/rhel/put_page_callback-${kver}.patch put_page_callback.patch
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log "Adding SCST patches in kernel.spec"
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if [ ${kver#2.6.18} != $kver ]; then
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if [ -e ${rpmbuild_dir}/SPECS/kernel-2.6.spec ]; then
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# RHEL/CentOS/SL 5.6
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patch -p1 ${rpmbuild_dir}/SPECS/kernel-2.6.spec <<'EOF' || exit $?
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diff -u SPECS/kernel-2.6.spec{.orig,}
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--- SPECS/kernel-2.6.spec.orig
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+++ SPECS/kernel-2.6.spec
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@@ -6386,6 +6386,9 @@
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# empty final patch file to facilitate testing of kernel patches
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Patch99999: linux-kernel-test.patch
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+Patch200: scst_exec_req_fifo.patch
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+Patch201: put_page_callback.patch
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+
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# END OF PATCH DEFINITIONS
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BuildRoot: %{_tmppath}/kernel-%{KVERREL}-root
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@@ -12593,6 +12596,9 @@
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rm -f kernel-%{kversion}-*-debug.config
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%endif
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+%patch200 -p1
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+%patch201 -p1
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+
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# now run oldconfig over all the config files
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for i in *.config
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do
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EOF
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else
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# RHEL/CentOS/SL 5.7
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patch -p1 ${rpmbuild_dir}/SPECS/kernel.spec <<'EOF' || exit $?
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--- SPECS/kernel.spec.orig
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+++ SPECS/kernel.spec
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@@ -425,6 +425,9 @@
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Patch2: xen-config-2.6.18-redhat.patch
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Patch3: xen-2.6.18-redhat.patch
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+Patch200: scst_exec_req_fifo.patch
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+Patch201: put_page_callback.patch
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+
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# empty final patch file to facilitate testing of kernel patches
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Patch99999: linux-kernel-test.patch
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@@ -733,6 +736,9 @@
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rm -f kernel-%{version}-*-debug.config
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%endif
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+%patch200 -p1
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+%patch201 -p1
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+
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# now run oldconfig over all the config files
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for i in *.config
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do
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EOF
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fi
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elif [ ${kver#2.6.32-71} != $kver ]; then
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# RHEL/CentOS/SL 6.0
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patch -p1 ${rpmbuild_dir}/SPECS/kernel.spec <<'EOF' || exit $?
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diff -u SPECS/kernel.spec{.orig,}
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--- SPECS/kernel.spec.orig
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+++ SPECS/kernel.spec
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@@ -601,6 +601,9 @@
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Source82: config-s390x-debug
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Source83: config-s390x-debug-rhel
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+Patch200: scst_exec_req_fifo.patch
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+Patch201: put_page_callback.patch
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+
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# empty final patch file to facilitate testing of kernel patches
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Patch999999: linux-kernel-test.patch
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@@ -891,6 +894,9 @@
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# Dynamically generate kernel .config files from config-* files
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make -f %{SOURCE20} VERSION=%{version} configs
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+ApplyPatch scst_exec_req_fifo.patch
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+ApplyPatch put_page_callback.patch
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+
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ApplyOptionalPatch linux-kernel-test.patch
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# Any further pre-build tree manipulations happen here.
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@@ -917,6 +923,7 @@
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for i in *.config
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do
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mv $i .config
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+ echo "CONFIG_TCP_ZERO_COPY_TRANSFER_COMPLETION_NOTIFICATION=y" >> .config
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Arch=`head -1 .config | cut -b 3-`
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make ARCH=$Arch %{oldconfig_target} > /dev/null
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echo "# $Arch" > configs/$i
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EOF
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elif [ ${kver#2.6.32-131} != $kver ]; then
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# RHEL/CentOS/SL 6.1
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patch -p1 ${rpmbuild_dir}/SPECS/kernel.spec <<'EOF' || exit $?
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# RHEL/CentOS/SL 6.x
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diff -u SPECS/kernel.spec{.orig,}
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--- SPECS/kernel.spec.orig
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+++ SPECS/kernel.spec
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@@ -601,6 +601,9 @@
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Source82: config-generic
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Source83: config-x86_64-debug-rhel
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+Patch200: scst_exec_req_fifo.patch
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+Patch201: put_page_callback.patch
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+
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# empty final patch file to facilitate testing of kernel patches
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Patch999999: linux-kernel-test.patch
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@@ -891,6 +894,9 @@
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# Dynamically generate kernel .config files from config-* files
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make -f %{SOURCE20} VERSION=%{version} configs
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+ApplyPatch scst_exec_req_fifo.patch
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+ApplyPatch put_page_callback.patch
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+
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ApplyOptionalPatch linux-kernel-test.patch
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# Any further pre-build tree manipulations happen here.
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@@ -917,6 +923,7 @@
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for i in *.config
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do
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mv $i .config
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+ echo "CONFIG_TCP_ZERO_COPY_TRANSFER_COMPLETION_NOTIFICATION=y" >> .config
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Arch=`head -1 .config | cut -b 3-`
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make ARCH=$Arch %{oldconfig_target} > /dev/null
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echo "# $Arch" > configs/$i
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EOF
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fi
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log "Rebuilding kernel"
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cd ${rpmbuild_dir}/SPECS
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{ rpmbuild -bb --target=${arch} --with baseonly --with firmware --without kabichk kernel*.spec; rc=$?; if [ $rc != 0 ]; then exit $rc; fi; } 2>&1 \
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| tee build.log
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log "Ready. You can now install the freshly built kernel RPM as follows:\n"\
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"sudo rpm -ivh --force $HOME/rpmbuild/RPMS/${arch}/kernel-*.rpm"
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