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#!/bin/sh
# Copyright 2018, 2021 Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# This script uses the SlackBuild scripts present here to build a
# complete set of kernel packages for the currently running architecture.
# It needs to be run once on 64-bit (uname -m = x86_64) and once on IA32
# (uname -m = i586 or i686).
cd $(dirname $0) ; CWD=$(pwd)
BUILD=${BUILD:-1}
if [ -z "$VERSION" ]; then
# Get the filename of the newest kernel tarball:
KERNEL_SOURCE_FILE="$(/bin/ls -t linux-*.tar.?z | head -n 1 )"
if echo $KERNEL_SOURCE_FILE | grep -q rc ; then # need to get rc versions a bit differently
VERSION=$(/bin/ls -t linux-*.tar.?z | head -n 1 | rev | cut -f 3- -d . | cut -f 1,2 -d - | rev)
else # normal release version
VERSION=$(/bin/ls -t linux-*.tar.?z | head -n 1 | rev | cut -f 3- -d . | cut -f 1 -d - | rev)
fi
fi
TMP=${TMP:-/tmp}
# By default, install the packages as we build them and update the initrd.
INSTALL_PACKAGES=${INSTALL_PACKAGES:-YES}
# Clean kernels before building them. Not doing so quit working some time
# after 4.19.x.
export KERNEL_CLEAN=YES
# A list of recipes for build may be passed in the $RECIPES variable, otherwise
# we have defaults based on uname -m:
if [ -z "$RECIPES" ]; then
if uname -m | grep -wq x86_64 ; then
RECIPES="x86_64"
elif uname -m | grep -wq i.86 ; then
RECIPES="IA32_NO_SMP IA32_SMP"
else
echo "Error: no build recipes available for $(uname -m)"
exit 1
fi
fi
# Main build loop:
for recipe in $RECIPES ; do
# Build recipes are defined here. These will select the appropriate .config
# files and package naming scheme, and define the output location.
if [ "$recipe" = "x86_64" ]; then
# Recipe for x86_64:
CONFIG_SUFFIX=".x64"
unset LOCALVERSION
OUTPUT=${OUTPUT:-${TMP}/output-x86_64-${VERSION}}
elif [ "$recipe" = "IA32_SMP" ]; then
# Recipe for IA32_SMP:
unset CONFIG_SUFFIX
LOCALVERSION="-smp"
OUTPUT=${OUTPUT:-${TMP}/output-ia32-${VERSION}}
elif [ "$recipe" = "IA32_NO_SMP" ]; then
# Recipe for IA32_NO_SMP:
unset CONFIG_SUFFIX
unset LOCALVERSION
OUTPUT=${OUTPUT:-${TMP}/output-ia32-${VERSION}}
else
echo "Error: recipe ${recipe} not implemented"
exit 1
fi
echo
echo "*************************************************"
echo "* Building kernels for recipe ${recipe}..."
echo "*************************************************"
echo
# Build kernel-source package:
KERNEL_SOURCE_PACKAGE_NAME=$(PRINT_PACKAGE_NAME=YES KERNEL_CONFIG="config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}" VERSION=$VERSION BUILD=$BUILD ./kernel-source.SlackBuild)
KERNEL_CONFIG="config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}" VERSION=$VERSION BUILD=$BUILD ./kernel-source.SlackBuild
mkdir -p $OUTPUT
mv ${TMP}/${KERNEL_SOURCE_PACKAGE_NAME} $OUTPUT || exit 1
if [ "${INSTALL_PACKAGES}" = "YES" ]; then
installpkg ${OUTPUT}/${KERNEL_SOURCE_PACKAGE_NAME} || exit 1
fi
# Build kernel-huge package:
# We will build in the just-built kernel tree. First, let's put back the
# symlinks:
( cd $TMP/package-kernel-source
sh install/doinst.sh
)
KERNEL_HUGE_PACKAGE_NAME=$(PRINT_PACKAGE_NAME=YES KERNEL_NAME=huge KERNEL_SOURCE=$TMP/package-kernel-source/usr/src/linux KERNEL_CONFIG=./kernel-configs/config-huge${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} CONFIG_SUFFIX=${CONFIG_SUFFIX} KERNEL_OUTPUT_DIRECTORY=$OUTPUT/kernels/huge$(echo ${LOCALVERSION} | tr -d -).s BUILD=$BUILD ./kernel-generic.SlackBuild)
KERNEL_NAME=huge KERNEL_SOURCE=$TMP/package-kernel-source/usr/src/linux KERNEL_CONFIG=./kernel-configs/config-huge${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} CONFIG_SUFFIX=${CONFIG_SUFFIX} KERNEL_OUTPUT_DIRECTORY=$OUTPUT/kernels/huge$(echo ${LOCALVERSION} | tr -d -).s BUILD=$BUILD ./kernel-generic.SlackBuild
if [ -r ${TMP}/${KERNEL_HUGE_PACKAGE_NAME} ]; then
mv ${TMP}/${KERNEL_HUGE_PACKAGE_NAME} $OUTPUT
else
echo "kernel-source build failed."
exit 1
fi
if [ "${INSTALL_PACKAGES}" = "YES" ]; then
installpkg ${OUTPUT}/${KERNEL_HUGE_PACKAGE_NAME} || exit 1
fi
# Build kernel-generic package:
KERNEL_GENERIC_PACKAGE_NAME=$(PRINT_PACKAGE_NAME=YES KERNEL_NAME=generic KERNEL_SOURCE=$TMP/package-kernel-source/usr/src/linux KERNEL_CONFIG=./kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} CONFIG_SUFFIX=${CONFIG_SUFFIX} KERNEL_OUTPUT_DIRECTORY=$OUTPUT/kernels/generic$(echo ${LOCALVERSION} | tr -d -).s BUILD=$BUILD ./kernel-generic.SlackBuild)
KERNEL_NAME=generic KERNEL_SOURCE=$TMP/package-kernel-source/usr/src/linux KERNEL_CONFIG=./kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} CONFIG_SUFFIX=${CONFIG_SUFFIX} KERNEL_OUTPUT_DIRECTORY=$OUTPUT/kernels/generic$(echo ${LOCALVERSION} | tr -d -).s BUILD=$BUILD ./kernel-generic.SlackBuild
if [ -r ${TMP}/${KERNEL_GENERIC_PACKAGE_NAME} ]; then
mv ${TMP}/${KERNEL_GENERIC_PACKAGE_NAME} $OUTPUT
else
echo "kernel-generic build failed."
exit 1
fi
if [ "${INSTALL_PACKAGES}" = "YES" ]; then
installpkg ${OUTPUT}/${KERNEL_GENERIC_PACKAGE_NAME} || exit 1
fi
# Build kernel-modules (for the just built generic kernel, but most of them
# will also work with the huge kernel):
KERNEL_MODULES_PACKAGE_NAME=$(PRINT_PACKAGE_NAME=YES KERNEL_SOURCE=$TMP/package-kernel-source/usr/src/linux KERNEL_CONFIG=$TMP/package-kernel-source/usr/src/linux/.config BUILD=$BUILD ./kernel-modules.SlackBuild)
KERNEL_SOURCE=$TMP/package-kernel-source/usr/src/linux KERNEL_CONFIG=$TMP/package-kernel-source/usr/src/linux/.config BUILD=$BUILD ./kernel-modules.SlackBuild
if [ -r ${TMP}/${KERNEL_MODULES_PACKAGE_NAME} ]; then
mv ${TMP}/${KERNEL_MODULES_PACKAGE_NAME} $OUTPUT
else
echo "kernel-modules build failed."
exit 1
fi
if [ "${INSTALL_PACKAGES}" = "YES" ]; then
installpkg ${OUTPUT}/${KERNEL_MODULES_PACKAGE_NAME} || exit 1
fi
# Build kernel-headers:
KERNEL_HEADERS_PACKAGE_NAME=$(PRINT_PACKAGE_NAME=YES KERNEL_SOURCE=$TMP/package-kernel-source/usr/src/linux BUILD=$BUILD ./kernel-headers.SlackBuild)
KERNEL_SOURCE=$TMP/package-kernel-source/usr/src/linux BUILD=$BUILD ./kernel-headers.SlackBuild
if [ -r ${TMP}/${KERNEL_HEADERS_PACKAGE_NAME} ]; then
mv ${TMP}/${KERNEL_HEADERS_PACKAGE_NAME} $OUTPUT
else
echo "kernel-headers build failed."
exit 1
fi
if [ "${INSTALL_PACKAGES}" = "YES" ]; then
upgradepkg --reinstall --install-new ${OUTPUT}/${KERNEL_HEADERS_PACKAGE_NAME} || exit 1
fi
# Update initrd:
if [ "${INSTALL_PACKAGES}" = "YES" ]; then
INITRD_VERSION="$(grep "Kernel Configuration" $TMP/package-kernel-source/usr/src/linux/.config | cut -f 3 -d ' ')"
INITRD_LOCALVERSION="$(cat $TMP/package-kernel-source/usr/src/linux/.config 2> /dev/null | grep CONFIG_LOCALVERSION= | cut -f 2 -d = | tr -d \")"
if [ -r /etc/mkinitrd.conf ]; then
mkinitrd -F /etc/mkinitrd.conf -k ${INITRD_VERSION}${INITRD_LOCALVERSION}
else # try this?
sh /usr/share/mkinitrd/mkinitrd_command_generator.sh -k ${INITRD_VERSION}${INITRD_LOCALVERSION} | sed "s/-c -k/-k/g" | bash
fi
fi
echo
echo "${recipe} kernel packages done!"
echo
done
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