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# Maintainer: Piotr Gorski <lucjan.lucjanov@gmail.com> PGP-Key: BDB26C5A
# Contributor: shivik <> PGP-Key: 761E423C
# Contributor: Michael Duell <mail@akurei.me> PGP-Key: 6EE23EBE
# A special thanks to Steven Barrett for very important suggestions
# Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Contributor: Tobias Powalowski <tpowa@archlinux.org>
# Contributor: Thomas Baechler <thomas@archlinux.org>
### BUILD OPTIONS
# Set these variables to ANYTHING that is not null to enable them
### Tweak kernel options prior to a build via nconfig
_makenconfig=
### Tweak kernel options prior to a build via menuconfig
_makemenuconfig=
### Tweak kernel options prior to a build via xconfig
_makexconfig=
### Tweak kernel options prior to a build via gconfig
_makegconfig=
# NUMA is optimized for multi-socket motherboards.
# A single multi-core CPU actually runs slower with NUMA enabled.
# See, https://bugs.archlinux.org/task/31187
_NUMAdisable=y
# Compile ONLY used modules to VASTLYreduce the number of modules built
# and the build time.
#
# To keep track of which modules are needed for your specific system/hardware,
# give module_db script a try: https://aur.archlinux.org/packages/modprobed-db
# This PKGBUILD read the database kept if it exists
#
# More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db
_localmodcfg=
# Use the current kernel's .config file
# Enabling this option will use the .config of the RUNNING kernel rather than
# the ARCH defaults. Useful when the package gets updated and you already went
# through the trouble of customizing your config options. NOT recommended when
# a new kernel is released, but again, convenient for package bumps.
_use_current=
### Selecting the CPU scheduler
# ATTENTION - one of three predefined values should be selected!
# 'bmq' - select 'BitMap Queue CPU scheduler'
# 'pds' - select 'Priority and Deadline based Skip list multiple queue CPU scheduler'
# 'none' - select 'Completely Fair Scheduler'
_projectc='pds'
### Enable htmldocs (increases compile time)
_htmldocs_enable=
### Do not edit below this line unless you know what you're doing
# pkgname=('linux-lqx' 'linux-lqx-headers' 'linux-lqx-docs')
_major=5.16
_srcname=linux-${_major}
_lqxpatchname=liquorix-package
_lqxpatchrel=19
_lqxpatchver=${_lqxpatchname}-${_major}-${_lqxpatchrel}
pkgbase=linux-lqx
pkgver=5.16.14.lqx2
pkgrel=1
pkgdesc='Linux Liquorix'
url='https://liquorix.net/'
arch=(x86_64)
license=(GPL2)
makedepends=(bc kmod libelf cpio python pahole)
if [ -n "$_htmldocs_enable" ]; then
makedepends+=(xmlto python-sphinx python-sphinx_rtd_theme graphviz imagemagick)
fi
options=('!strip')
#_lucjanpath="https://raw.githubusercontent.com/sirlucjan/kernel-patches/master/${_major}"
_lucjanpath="https://gitlab.com/sirlucjan/kernel-patches/raw/master/${_major}"
source=("https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/${_srcname}.tar.xz"
"https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/${_srcname}.tar.sign"
"https://github.com/damentz/${_lqxpatchname}/archive/${_major}-${_lqxpatchrel}.tar.gz")
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
)
sha512sums=('7a257dd576bc8493595ec7d6f3c9cb6e22c772a8b2dbe735d2485c4f5c56e26a08695546e7e0f1f1cd04a533f25e829361958d4da0b98bf0ba8094dd57a85aaf'
'SKIP'
'c1708ac4a2c36ce0f813113120c2fd8b152ca6e98262daba1f5279bd2dd403abc555a8587130e9962822282335a5d917e6f5501b8f6b6399dd47191b244b9293')
export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
prepare() {
cd $_srcname
### Set package version variables
_abiname="$(cat ${srcdir}/${_lqxpatchver}/linux-liquorix/debian/config/defines | grep 'abiname:' | sed -r 's/abiname:\s*//')"
_minor="$(echo "$_abiname" | cut -f1 -d .)"
_patchrel="$(echo "$_abiname" | cut -f2 -d .)"
### Add Liquorix patches
local _patchrx='^zen/v\d+\.\d+\.\d+-lqx\d+.patch$'
local _patchfolder="${srcdir}/${_lqxpatchver}/linux-liquorix/debian/patches"
local _patchpath="$(grep -P "$_patchrx" "$_patchfolder/series")"
echo "Patching sources with ${_patchpath#*/}"
patch -Np1 -i "$_patchfolder/$_patchpath"
### Setting version
echo "Setting version..."
scripts/setlocalversion --save-scmversion
echo "-$pkgrel" > localversion.10-pkgrel
echo "${pkgbase#linux}" > localversion.20-pkgname
### Patching sources
local src
for src in "${source[@]}"; do
src="${src%%::*}"
src="${src##*/}"
[[ $src = *.patch ]] || continue
echo "Applying patch $src..."
patch -Np1 < "../$src"
done
### Setting config
echo "Setting config..."
cat ${srcdir}/${_lqxpatchver}/linux-liquorix/debian/config/kernelarch-x86/config-arch-64 >./.config
make olddefconfig
diff -u ${srcdir}/${_lqxpatchver}/linux-liquorix/debian/config/kernelarch-x86/config-arch-64 .config || :
### Prepared version
make -s kernelrelease > version
echo "Prepared $pkgbase version $(<version)"
### Optionally use running kernel's config
# code originally by nous; http://aur.archlinux.org/packages.php?ID=40191
if [ -n "$_use_current" ]; then
if [[ -s /proc/config.gz ]]; then
echo "Extracting config from /proc/config.gz..."
# modprobe configs
zcat /proc/config.gz > ./.config
else
warning "Your kernel was not compiled with IKCONFIG_PROC!"
warning "You cannot read the current config!"
warning "Aborting!"
exit
fi
fi
### Selecting the CPU scheduler
if [ "$_projectc" = "bmq" ]; then
echo "Selecting BMQ CPU scheduler..."
scripts/config --enable CONFIG_SCHED_BMQ
scripts/config --disable CONFIG_SCHED_PDS
elif [ "$_projectc" = "pds" ]; then
echo "Selecting PDS CPU scheduler..."
scripts/config --disable CONFIG_SCHED_BMQ
scripts/config --enable CONFIG_SCHED_PDS
elif [ "$_projectc" = "none" ]; then
echo "Selecting Completely Fair Scheduler..."
scripts/config --disable CONFIG_SCHED_ALT
else
if [ -n "$_projectc" ]; then
error "The value $_projectc is invalid. Choose the correct one again."
else
error "The value is empty. Choose the correct one again."
fi
error "Selecting the CPU scheduler failed!"
exit
fi
### Optionally disable NUMA for 64-bit kernels only
# (x86 kernels do not support NUMA)
if [ -n "$_NUMAdisable" ]; then
echo "Disabling NUMA from kernel config..."
scripts/config --disable CONFIG_NUMA
fi
### Optionally load needed modules for the make localmodconfig
# See https://aur.archlinux.org/packages/modprobed-db
if [ -n "$_localmodcfg" ]; then
if [ -f $HOME/.config/modprobed.db ]; then
echo "Running Steven Rostedt's make localmodconfig now"
make LSMOD=$HOME/.config/modprobed.db localmodconfig
else
echo "No modprobed.db data found"
exit
fi
fi
### Running make nconfig
[[ -z "$_makenconfig" ]] || make nconfig
### Running make menuconfig
[[ -z "$_makemenuconfig" ]] || make menuconfig
### Running make xconfig
[[ -z "$_makexconfig" ]] || make xconfig
### Running make gconfig
[[ -z "$_makegconfig" ]] || make gconfig
### Save configuration for later reuse
cat .config > "${startdir}/config.last"
}
build() {
cd $_srcname
make all
if [ -n "$_htmldocs_enable" ]; then
make htmldocs
fi
}
_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'
'sof-firmware: firmware images needed for Sound Open Firmware capable 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="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install
# remove build and source links
rm "$modulesdir"/{source,build}
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
depends=('linux-lqx' 'pahole')
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 "$builddir" -a scripts
# add objtool for external module building and enabled VALIDATION_STACK option
install -Dt "$builddir/tools/objtool" tools/objtool/objtool
# 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
# https://bugs.archlinux.org/task/13146
install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
# https://bugs.archlinux.org/task/20402
install -Dt "$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
# https://bugs.archlinux.org/task/71392
install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
echo "Installing KConfig files..."
find . -name 'Kconfig*' -exec install -Dm644 {} "$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"
}
_package-docs() {
pkgdesc="Documentation for the $pkgdesc kernel"
depends=('linux-lqx')
cd $_srcname
local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
echo "Installing documentation..."
local src dst
while read -rd '' src; do
dst="${src#Documentation/}"
dst="$builddir/Documentation/${dst#output/}"
install -Dm644 "$src" "$dst"
done < <(find Documentation -name '.*' -prune -o ! -type d -print0)
echo "Adding symlink..."
mkdir -p "$pkgdir/usr/share/doc"
ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
}
pkgname=("$pkgbase" "$pkgbase-headers" "$pkgbase-docs")
for _p in "${pkgname[@]}"; do
eval "package_$_p() {
$(declare -f "_package${_p#$pkgbase}")
_package${_p#$pkgbase}
}"
done
# vim:set ts=8 sts=2 sw=2 et:
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