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# Maintainer: Oleksandr Natalenko aka post-factum <oleksandr@natalenko.name>
pkgbase="linux-pf"
_suffix=""
pkgname=(
"${pkgbase}${_suffix}" "${pkgbase}-headers${_suffix}"
)
_rev=6c854e8f8da79a1c4ab8e529d1767d6921bf2a34
pkgver=6.8.6
pkgrel=1
pkgdesc="pf-kernel"
arch=(x86_64)
url="https://pfkernel.natalenko.name"
license=(GPL-2.0-only)
makedepends=(bc cpio gettext libelf pahole perl python tar xz)
options=(!debug !strip)
source=(https://codeberg.org/pf-kernel/linux/archive/${_rev}.tar.gz
config)
b2sums=(SKIP
'02eeabd8b8c88a8801b7c305a91f3ad1447473be89644f42cbaa13240d0933472c1ee3d25b3d6556b5c41c895af0376f194b2856cb1c9c19df5692aba75a09a5')
export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=${pkgbase}
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
# export KBUILD_CPUTYPE=
prepare() {
cd linux
echo "Setting config..."
cp ../config .config
if [[ -n ${KBUILD_CPUTYPE} && ${KBUILD_CPUTYPE} != GENERIC_CPU ]]; then
echo "CPU optimisation to be used: ${KBUILD_CPUTYPE}"
scripts/config --disable GENERIC_CPU
scripts/config --enable ${KBUILD_CPUTYPE}
fi
make olddefconfig
diff -u ../config .config || :
make -s kernelrelease >version
echo "Prepared ${pkgdesc} version $(<version)"
}
build() {
cd linux
__nthreads=$(($(nproc) + 1))
make KCFLAGS=-O3 -j${__nthreads} all
make -C tools/bpf/bpftool vmlinux.h feature-clang-bpf-co-re=1
}
_package() {
pkgdesc="The ${pkgdesc} and modules"
depends=(coreutils initramfs kmod)
optdepends=('wireless-regdb: to set the correct wireless channels of your country'
'ksmbd-tools: userspace tools for the ksmbd kernel SMB server'
'linux-firmware: firmware images needed for some devices'
'uksmd: userspace KSM helper daemon'
'v4l2loopback-utils: v4l2-loopback device utilities')
provides=(linux-pf KSMBD-MODULE NTFS3-MODULE UKSMD-BUILTIN V4L2LOOPBACK-MODULE VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)
replaces=(virtualbox-guest-modules-arch wireguard-arch)
cd linux
local modulesdir="${pkgdir}"/usr/lib/modules/$(<version)
echo "Installing boot image..."
# systemd expects to find the kernel here to allow hibernation
# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
install -Dm644 "$(make -s image_name)" "${modulesdir}"/vmlinuz
# Used by mkinitcpio to name the kernel
echo ${pkgbase} | install -Dm644 /dev/stdin "${modulesdir}"/pkgbase
echo "Installing modules..."
ZSTD_CLEVEL=19 make INSTALL_MOD_PATH="${pkgdir}"/usr INSTALL_MOD_STRIP=1 \
DEPMOD=/doesnt/exist modules_install # Suppress depmod
# remove build link
rm "${modulesdir}"/build
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the ${pkgdesc}"
depends=(pahole)
provides=(linux-pf-headers)
cd linux
local builddir="${pkgdir}"/usr/lib/modules/$(<version)/build
echo "Installing build files..."
install -Dt "${builddir}" -m644 .config Makefile Module.symvers System.map \
version vmlinux tools/bpf/bpftool/vmlinux.h
install -Dt "${builddir}"/kernel -m644 kernel/Makefile
install -Dt "${builddir}"/arch/x86 -m644 arch/x86/Makefile
cp -t "${builddir}" -a scripts
# required when STACK_VALIDATION is enabled
install -Dt "${builddir}"/tools/objtool tools/objtool/objtool
# required when DEBUG_INFO_BTF_MODULES is enabled
install -Dt "${builddir}"/tools/bpf/resolve_btfids tools/bpf/resolve_btfids/resolve_btfids
echo "Installing headers..."
cp -t "${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}/{}" \;
# remove 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 "$(file -Sib "${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 "${builddir}" -type f -perm -u+x ! -name vmlinux -print0)
echo "Adding symlink..."
mkdir -p "${pkgdir}"/usr/src
ln -sr "${builddir}" "${pkgdir}"/usr/src/${pkgbase}
}
for _p in ${pkgname[@]}; do
if [[ -n ${_suffix} ]]; then
_i=$(echo ${_p} | sed "s/${_suffix}//g")
else
_i=${_p}
fi
eval "package_${_i}${_suffix}() {
$(declare -f "_package${_i#${pkgbase}}")
_package${_i#${pkgbase}}
}"
done
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