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Diffstat (limited to '')
-rwxr-xr-x | testing/source/k/kernel-source.SlackBuild | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/testing/source/k/kernel-source.SlackBuild b/testing/source/k/kernel-source.SlackBuild new file mode 100755 index 000000000..26b5ed924 --- /dev/null +++ b/testing/source/k/kernel-source.SlackBuild @@ -0,0 +1,176 @@ +#!/bin/sh + +# Copyright 2018 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. + +cd $(dirname $0) ; CWD=$(pwd) + +PKGNAM=${PKGNAM:-kernel-source} +BUILD=${BUILD:-1} +NUMJOBS=${NUMJOBS:-" -j7 "} +TMP=${TMP:-/tmp} +PKG=$TMP/package-$PKGNAM + +# If a $VERSION is not passed to this script, use the newest linux-*.tar.xz +# found in this directory: +VERSION=${VERSION:-$(/bin/ls -t linux-*.tar.?z | head -n 1 | rev | cut -f 3- -d . | cut -f 1 -d - | rev)} +if ! /bin/ls linux-*.tar.?z 1> /dev/null 2> /dev/null ; then + echo "Error: kernel source not found. (/bin/ls linux-*.tar.?z)" +fi + +# Automatically determine the architecture we're building on: +if [ -z "$ARCH" ]; then + case "$(uname -m)" in + # Use uname -m for all archs: + *) ARCH=$(uname -m) ;; + esac +fi + +# Kernel extraversion, such as "-smp" on 32-bit. There's usually no need to set +# this unless you're using something unusual. We use it to find which .config +# file to use, but we'll then use whatever CONFIG_LOCALVERSION is set to +# inside the .config. +LOCALVERSION=${LOCALVERSION:-""} + +# If KERNEL_CONFIG (name of kernel .config file in ./kernel-configs to use) +# has not been passed to this script, then we will select one. We will prefer +# to use a generic, SMP-supporting .config with a version number exactly +# matching the kernel sources. But if there's no exact version match, we will +# start with the newest .config we can find that's of the appropriate type. +if [ -z "${KERNEL_CONFIG}" ]; then # figure out the best matching .config + if [ "$ARCH" = "x86_64" ]; then + CONFIG_SUFFIX=".x64" + fi + if [ -z "${LOCALVERSION}" ]; then + if echo $ARCH | grep -q -E "i?86$" ; then + # Default to SMP extraversion on 32-bit: + LOCALVERSION="-smp" + fi + fi + if [ -r "$CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}$LOCALVERSION${CONFIG_SUFFIX}" ]; then + # Exact match! + KERNEL_CONFIG="config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}" + else # no exact match, so find newest with the same name: + FIND_MATCH="$(/bin/ls -t $CWD/kernel-configs/config-generic${LOCALVERSION}-*${LOCALVERSION}${CONFIG_SUFFIX} 2> /dev/null | head -n 1)" + if [ -r "${FIND_MATCH}" ]; then + KERNEL_CONFIG="$(basename ${FIND_MATCH})" + unset FIND_MATCH + else + echo "Error: no matching .config file could be found for this kernel. Tried:" + echo " $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} (not found)" + exit 1 + fi + fi +else # We were given a name to use: + if [ ! -r "$CWD/kernel-configs/${KERNEL_CONFIG}" ]; then + echo "Error: specified kernel .config $CWD/kernel-configs/${KERNEL_CONFIG} was not found." + exit 1 + fi +fi +# Set LOCALVERSION to the value found inside the .config: +LOCALVERSION="$(cat $CWD/kernel-configs/${KERNEL_CONFIG} | grep CONFIG_LOCALVERSION= | cut -f 2 -d = | tr -d \")" + +# If the variable PRINT_PACKAGE_NAME is set, then this script will report what +# the name of the created package would be, and then exit. This information +# could be useful to other scripts. +if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then + # We will have to extract and patch the kernel sources to find out the kernel version: + TEMPDIR=$(mktemp -d) + cd $TEMPDIR + tar xf $CWD/linux-${VERSION}.tar.?z || exit 1 + cd linux* + if [ -d $CWD/patches-${VERSION} ]; then + zcat $CWD/patches-${VERSION}/*.gz | patch -p1 --backup --suffix=.orig 1> /dev/null 2> /dev/null || exit 1 + fi + PACKAGE_VERSION=$(grep "^VERSION = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^PATCHLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^SUBLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev)$(grep "^EXTRAVERSION = " Makefile | rev | cut -f 1 -d ' ' | rev) + cd $CWD + rm -rf $TEMPDIR + echo "kernel-source-$(echo ${PACKAGE_VERSION} | tr - _)$(echo ${LOCALVERSION} | tr - _)-noarch-$BUILD.txz" + exit 0 +fi + +echo "Using kernel config: $CWD/kernel-configs/${KERNEL_CONFIG}" +sleep 1 + +rm -rf $PKG +mkdir -p $TMP $PKG +mkdir -p $PKG/usr/src + +echo "Untarring $CWD/linux-${VERSION}.tar.?z in $PKG/usr/src..." +( cd $PKG/usr/src + tar xf $CWD/linux-${VERSION}.tar.?z || exit 1 + echo "Making /usr/src/linux symlink..." + ln -sf linux-* linux + cd linux-* + if [ -d $CWD/patches-${VERSION} ]; then + echo "Applying kernel patches in $CWD/patches-${VERSION} and copying patches to $PKG/usr/src/linux-${VERSION}..." + zcat $CWD/patches-${VERSION}/*.gz | patch -p1 --verbose --backup --suffix=.orig || exit 1 + cp -a $CWD/patches-${VERSION}/*.gz . + fi + echo "Copying $CWD/kernel-configs/${KERNEL_CONFIG} to .config..." + cp -a $CWD/kernel-configs/${KERNEL_CONFIG} .config + echo "Fixing permissions/ownership..." + chown -R root:root . + find . \ + \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \ + -exec chmod 755 {} \+ -o \ + \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \ + -exec chmod 644 {} \+ +) || exit 1 + +# Kernel is now ready to configure. We will also build this kernel so that +# the installed kernel source package is fully configured, and building an +# out-of-tree module (such as the NVIDIA driver) won't require the user +# to build the kernel sources first. +( cd $PKG/usr/src/linux-${VERSION} + echo "Making oldconfig..." + make oldconfig + if [ ! -r $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} ]; then + echo "Saving new .config as: $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}" + cp -a .config $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} + fi + echo "Building kernel..." + make ${NUMJOBS} bzImage || make bzImage || exit 1 + echo "Cleaning up..." + make clean + # Make sure header files aren't missing... + make prepare + # Don't package the kernel in the sources: + find . -name "*Image" -exec rm "{}" \+ + # No need for these: + rm -f .config.old .version modules.* + find . -name "*.cmd" -exec rm -f "{}" \+ + rm .*.d + # Still some dotfiles laying around... probably fine though +) || exit 1 + +cd $PKG/usr/src/linux-${VERSION} +# Use the version number found in the Makefile in the package name. This is not +# always the same as the version in the source tarball's filename. For example, +# linux-4.14.tar.xz will have 4.14.0 as the version in the Makefile: +PACKAGE_VERSION=$(grep "^VERSION = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^PATCHLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^SUBLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev)$(grep "^EXTRAVERSION = " Makefile | rev | cut -f 1 -d ' ' | rev) + +mkdir $PKG/install +cat $CWD/slack-desc/slack-desc.kernel-source > $PKG/install/slack-desc + +# Make the package: +cd $PKG +/sbin/makepkg -l y -c n $TMP/kernel-source-$(echo ${PACKAGE_VERSION} | tr - _)$(echo ${LOCALVERSION} | tr - _)-noarch-$BUILD.txz + |