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# Maintainer: Andreas Baumann <mail@andreasbaumann.cc>
# Contributor: Andreas Radke <andyrtr@archlinux.org>
pkgbase=linux-lts515
pkgver=5.15.169
pkgrel=1
pkgdesc='LTS Linux 5.15.x'
url="https://www.kernel.org/"
arch=(x86_64 pentium4 i686 i486)
license=(GPL2)
makedepends=(
bc libelf pahole cpio perl tar xz python
)
options=('!strip')
_srcname=linux-$pkgver
source=(
https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.{xz,sign}
config # the main kernel config file
0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
0002-PCI-Add-more-NVIDIA-controllers-to-the-MSI-masking-q.patch
0003-iommu-intel-do-deep-dma-unmapping-to-avoid-kernel-fl.patch
0004-Bluetooth-btintel-Fix-bdaddress-comparison-with-garb.patch
0005-lg-laptop-Recognize-more-models.patch
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
)
# https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
sha256sums=('e618c6d845fd1bc89477508e8d084bbe791fc88bf7623adee2deb6ecb2275370'
'SKIP'
'ebb8db6954d8a7f6e71212a4ee20a11a1e6e6cdc59179b67e5c25d856f059805'
'3b5cfc9ca9cf778ea2c4b619b933cda26519969df2d764b5a687f63cf59974cd'
'2af9be5ea71054b709974a8455b65e3ae2de48cd3cf75d2ff7ed4f0ad3c90431'
'8357f000b2b622e73dcfd41c2bad42b5e99fffe8f7ee64f774aa771f86cef43c'
'5c1ee81fdd5818442af6081de987f9c1a9ce3c8d183566b3dfc19a8433aa3dde'
'067e8995fcd6f6ed25e0253e9374c0e179a000c154da3e59ce62634945ac5be9')
export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
prepare() {
cd $_srcname
echo "Setting version..."
scripts/setlocalversion --save-scmversion
echo "-$pkgrel" > localversion.10-pkgrel
echo "${pkgbase#linux}" > localversion.20-pkgname
local src
for src in "${source[@]}"; do
src="${src%%::*}"
src="${src##*/}"
[[ $src = *.patch ]] || continue
echo "Applying patch $src..."
patch -Np1 < "../$src"
done
echo "Setting config..."
cp ../config .config
make olddefconfig
diff -u ../config .config || :
make -s kernelrelease > version
echo "Prepared $pkgbase version $(<version)"
}
build() {
cd $_srcname
# breaks brilliantly, disabled htmldocs
make all
}
_package() {
pkgdesc="The $pkgdesc kernel and modules"
depends=(coreutils kmod initramfs)
optdepends=('wireless-regdb: to set the correct wireless channels of your country'
'linux-firmware: firmware images needed for some devices')
provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE)
replaces=(wireguard-lts)
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="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
DEPMOD=/doesnt/exist modules_install # Suppress depmod
# remove build and source links
rm "$modulesdir"/{source,build}
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
depends=(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 "$builddir" -a scripts
# required when STACK_VALIDATION is enabled
install -Dt "$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/{}" \;
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"
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:
# disabled documentation due to sphinx
pkgname=(
$(
printf '%s\n' "${pkgname[@]}" | \
grep -v '^\$pkgbase-docs'
)
)
if [ "${CARCH}" = "i486" -o "${CARCH}" = "i686" -o "${CARCH}" = "pentium4" ]; then
# use 32-bit configuration files per subarchitecture instead of main config file
source_pentium4=('config.pentium4')
source_i686=('config.i686')
source_i486=('config.i486')
# fail if upstream's .config changes
for ((i=0; i<${#sha256sums[@]}; i++)); do
if [ "${sha256sums[${i}]}" = 'ebb8db6954d8a7f6e71212a4ee20a11a1e6e6cdc59179b67e5c25d856f059805' ]; then
sha256sums_pentium4=('6fc6eb7e3b329100dcc33883895b7261c9ad3cd5d22806b0e61bf3568813e583')
sha256sums_i686=('fb82f07ea04f7df51f744293858a0a7c398aefc79db88de7bd56525407bb4c6b')
sha256sums_i486=('5d8fcafcc22df6d1bdca48bbe698f6531270a6545805f7a2735210379136b591')
fi
done
# copy architecture specific config file, not default 'config'
eval "$(
declare -f prepare | \
sed '
s,\.\./config,../config.$CARCH,
'
)"
# patch architecture when copying the kernel Makefile
eval "$(
declare -f package_linux-lts515-headers | \
sed '
\,/tools/objtool" ,d
\,arch/x86/Makefile, {
a \
install -t "${builddir}/arch/x86" -m644 arch/x86/Makefile_32.cpu
}
'
)"
# avoid using zstd compression in ultra mode (exhausts virtual memory)
source+=('no-ultra-zstd.patch')
sha256sums+=('3997ce6033fdf950a9960f1db720b38c47b1a2e06ab75fc6712c154f596e7c47')
# upstream prepare() does already do the *.patch patching
eval "$(
declare -f build | \
sed '
s/\bhtmldocs\b//
'
)"
makedepends=(${makedepends[@]//python-sphinx_rtd_theme/})
makedepends=(${makedepends[@]//python-sphinx/})
makedepends=(${makedepends[@]//graphviz/})
makedepends=(${makedepends[@]//imagemagick/})
makedepends=(${makedepends[@]//texlive-latexextra/})
fi
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