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# Maintainer: jc_gargma <jc_gargma@iserlohn-fortress.net>
# Maintainer (Arch): Jan Alexander Steffens (heftig) <heftig@archlinux.org>
# Contributor: Aqua-sama <aqua@iserlohn-fortress.net>
# # I maintain this because:
# Arch version patch script does not apply consistently
# Arch version lacks graysky gcc patch
# Arch version lacks ath9k regdom and raid6 algo patches
# Arch version lacks ck patches
# Arch version is 300 Hz
# Arch version does not disable lockdown eee
# Arch version does not disable hdcp
# Arch version allows insecure filesystems
# Arch version enables staging drivers
# Arch version enables ISDN and Infiniband
# Arch version enables VMware and HyperV
# Arch version builds documentation
_custom=1
pkgbase=linux-ck
_supver=5
_majver=9
_minver=1
_gccpatchver='20200615'
_gccpatchger='10.1'
_gccpatchker='5.8'
_ckpatchversion=ck1
if [ "$_minver" == "0" ]; then
pkgver=${_supver}.${_majver}
else
pkgver=${_supver}.${_majver}.${_minver}
fi
pkgrel=1
pkgdesc='Linux-ck'
url='https://kernel.org'
#url='http://ck.kolivas.org/patches/'
arch=(x86_64)
license=(GPL2)
makedepends=(
bc kmod libelf
)
#provides=('linux-ck')
conflicts=('linux-libre-ck')
options=('!strip')
_srcname=linux-${pkgver}
source=(
https://www.kernel.org/pub/linux/kernel/v${_supver}.x/${_srcname}.tar.{xz,sign}
0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
0002-i2c-core-Restore-acpi_walk_dep_device_list-getting-called.patch
linux-ck-patch-${_supver}.${_majver}-${_ckpatchversion}.xz::http://ck.kolivas.org/patches/${_supver}.0/${_supver}.${_majver}/${_supver}.${_majver}-${_ckpatchversion}/patch-${_supver}.${_majver}-${_ckpatchversion}.xz
kernel_gcc_patch-${_gccpatchver}.tar.gz::https://github.com/graysky2/kernel_gcc_patch/archive/${_gccpatchver}.tar.gz
ath9k-regdom-hack.patch
raid6-default-algo.patch
config # the main kernel config file
sphinx-workaround.patch
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
)
# https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
b2sums=('65eeccf077194ce03d5dbc1e8ea8f6022d709bc930945a49880fb87d71992e0614cf5ee92eb1b60fe2e3ed41fe17f0c176bbbad5f2cf0a2a349e1b08e6236558'
'SKIP'
'27ba59acd154834db44166a2d4ed5e4edc335a74785bf5e4cffd30ca5f39a995dcbef960f574de48f197d77cf8d9fa2ae57c61712e494852b5c14ee6ed22d956'
'217c14db67cf20073d9aa2f60bb9c30497ff36f6d608d22ccd5e74338bba16858f0c81862bd92bda45384d06133c3540ad8703af7decb5afb0d5feda076af33e'
'c19099ad66168db4608dee44e1913c07c035bc002a91267abc2e1eadf1788ddb5be3b17e3fdfeddcba96526dfa2b9fcc43a5dd0f8236d94c864e6477924a6718'
'c8d0697f99fe6105815217b8ec059d8f587415ea8dd2b88a65e1087feedf697341a64cd56810fde9e7aeada79125fc8235faccc7e7b06492c099e27a8abbe99c'
'b6ef77035611139fa9a6d5b8d30570e2781bb4da483bb569884b0bd0129b62e0b82a5a6776fefe43fee801c70d39de1ea4d4c177f7cedd5ac135e3c64f7b895a'
'fde132f3705d908e6f2147c78a2193289916d72304ca5efa2229d79fc3e57a857314ce94e71425caef2f7f7b6cf87f05ef86335dc8bd4be78e7035afe608005a'
'd48ea78568d4beebca203af76e5711cf01d6cd8afd9fdafd135bc51eabdef148180bf79530ef4f06180aa3a576ef17570699cc2ab6675fd5f9210ef6ac460b00'
'b4e1377d97ad7e8144d6e55b6d43731e3271a5aec65b65ca6d81026a95f15f549b9303fb3c6f492099ca691e3f65f4cf7f0c3aa742df03b396d7f6d81813aa95')
#export KBUILD_BUILD_HOST=arc4linux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
prepare() {
cd $_srcname
# add upstream patch
# if [ "$_minver" != "0" ]; then
# echo "Applying upstream patch"
# patch -Np1 < ../patch-${_supver}.${_majver}-${pkgver}
# fi
# Hotfixes
echo "Applying hotfixes"
patch -p1 -i ../0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
patch -p1 -i ../0002-i2c-core-Restore-acpi_walk_dep_device_list-getting-called.patch
patch -p1 -i ../sphinx-workaround.patch
# fix naming schema in EXTRAVERSION of ck patch set
sed -i -re "s/^(.EXTRAVERSION).*$/\1 = /" "../linux-ck-patch-${_supver}.${_majver}-${_ckpatchversion}"
# ck patch
echo "Applying ck patch"
patch -F 3 -Np1 -i ../linux-ck-patch-${_supver}.${_majver}-${_ckpatchversion}
# graysky gcc patch
echo "Applying graysky gcc patch"
patch -p1 -i ../kernel_gcc_patch-${_gccpatchver}/enable_additional_cpu_optimizations_for_gcc_v${_gccpatchger}+_kernel_v${_gccpatchker}+.patch
# Ignore ath9k eeprom patch
echo "Applying ath9k patch"
patch -p1 -i ../ath9k-regdom-hack.patch
# Set default raid6 algo patch
echo " Applying raid6 patch"
patch -p1 -i ../raid6-default-algo.patch
echo "Setting version..."
scripts/setlocalversion --save-scmversion
echo "-$pkgrel" > localversion.10-pkgrel
echo "${pkgbase#linux}" > localversion.20-pkgname
echo "Setting config..."
# we are in src/linux-x.yy.zz, looking for a config next to the pkgbuild
# if [ "$_custom" == "1" ]; then
# if [ -f ${SRCDEST}/config.ck.previous ]; then
# cp ${SRCDEST}/config.ck.previous .config
# fi
# else
cp ../config .config
# fi
make olddefconfig
if [ -f $HOME/.config/modprobed.db ]; then
echo "Running make localmodconfig"
make LSMOD=$HOME/.config/modprobed.db localmodconfig
fi
if [ "$_custom" == "1" ]; then
make menuconfig
fi
# Remove sublevel when no sublevel exists
if [ "$_minver" == "0" ]; then
sed -i '/SUBLEVEL = 0/d' Makefile
fi
make -s kernelrelease > version
# workaround for make -s kernelrelease not applying
# localversion to version when changed using menuconfig
grep -Po '(?<=CONFIG_LOCALVERSION=").*(?=")' .config > ../localversion
echo "$pkgver" > ../version.temp
cat "localversion.10-pkgrel" >> ../version.temp
cat "localversion.20-pkgname" >> ../version.temp
cat ../localversion >> ../version.temp
cat ../version.temp | tr -d "\n" > version
# back up the config
if [ "$_custom" == "1" ]; then
echo "Backing up config..."
cp .config ${SRCDEST}/config.ck.previous
fi
echo "Prepared $pkgbase version $(<version)"
}
build() {
cd $_srcname
make all
}
_package() {
pkgdesc="The $pkgdesc kernel and modules"
depends=(coreutils kmod initramfs)
optdepends=('crda: to set the correct wireless channels of your country'
'linux-firmware: firmware images needed for some devices')
provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)
cd $_srcname
local kernver="$(<version)"
local modulesdir="$pkgdir/usr/lib/modules/$kernver"
echo "Installing boot image..."
# systemd expects to find the kernel here to allow hibernation
# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
# Used by mkinitcpio to name the kernel
echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
echo "Installing modules..."
#make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install
make INSTALL_MOD_PATH="$pkgdir/usr" modules_install
# remove build and source links
rm "$modulesdir"/{source,build}
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
cd $_srcname
local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
echo "Installing build files..."
install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
localversion.* version vmlinux
install -Dt "$builddir/kernel" -m644 kernel/Makefile
install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
cp -t "$builddir" -a scripts
# add objtool for external module building and enabled VALIDATION_STACK option
if [[ -e tools/objtool/objtool ]]; then
install -Dt "$builddir/tools/objtool" tools/objtool/objtool
fi
# add xfs and shmem for aufs building
mkdir -p "$builddir"/{fs/xfs,mm}
echo "Installing headers..."
cp -t "$builddir" -a include
cp -t "$builddir/arch/x86" -a arch/x86/include
install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
# http://bugs.archlinux.org/task/13146
install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
# http://bugs.archlinux.org/task/20402
install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
echo "Installing KConfig files..."
find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
echo "Removing unneeded architectures..."
local arch
for arch in "$builddir"/arch/*/; do
[[ $arch = */x86/ ]] && continue
echo "Removing $(basename "$arch")"
rm -r "$arch"
done
echo "Removing documentation..."
rm -r "$builddir/Documentation"
echo "Removing broken symlinks..."
find -L "$builddir" -type l -printf 'Removing %P\n' -delete
echo "Removing loose objects..."
find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
echo "Stripping build tools..."
local file
while read -rd '' file; do
case "$(file -bi "$file")" in
application/x-sharedlib\;*) # Libraries (.so)
strip -v $STRIP_SHARED "$file" ;;
application/x-archive\;*) # Libraries (.a)
strip -v $STRIP_STATIC "$file" ;;
application/x-executable\;*) # Binaries
strip -v $STRIP_BINARIES "$file" ;;
application/x-pie-executable\;*) # Relocatable binaries
strip -v $STRIP_SHARED "$file" ;;
esac
done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
#echo "Stripping vmlinux..."
#strip -v $STRIP_STATIC "$builddir/vmlinux"
echo "Adding symlink..."
mkdir -p "$pkgdir/usr/src"
ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
}
pkgname=("$pkgbase" "$pkgbase-headers")
for _p in "${pkgname[@]}"; do
eval "package_$_p() {
$(declare -f "_package${_p#$pkgbase}")
_package${_p#$pkgbase}
}"
done
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