linux-surface/pkg/arch/kernel/PKGBUILD
2023-05-17 21:05:03 +02:00

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# Maintainer: Maximilian Luz <m@mxnluz.io>
# Maintainer: Blaž Hrastnik <blaz@mxxn.io>
# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
pkgbase=linux-surface
pkgver=6.3.3.arch1
pkgrel=1
pkgdesc='Linux'
_shortver=${pkgver%.*}
_fullver=${pkgver%.*}-${pkgver##*.}
_srctag=v${_fullver}
url="https://github.com/archlinux/linux/commits/$_srctag"
arch=(x86_64)
license=(GPL2)
makedepends=(
bc
cpio
gettext
git
libelf
perl
tar
xz
python
# we don't need `pahole` as deps because we disable `CONFIG_DEBUG_INFO`
# ignoring deps for docs because we don't build docs package
)
optdepends=('iptsd: Touchscreen support'
'linux-firmware: Firmware files for Linux'
'linux-firmware-marvell: Firmware files for Marvell WiFi / Bluetooth')
options=('!strip')
_srcname=archlinux-linux
source=(
"$_srcname::git+https://github.com/archlinux/linux#tag=$_srctag"
config # the main kernel config file
surface.config # surface specific options
arch.config # config changes for linux-surface kernel
0001-surface3-oemb.patch
0002-mwifiex.patch
0003-ath10k.patch
0004-ipts.patch
0005-ithc.patch
0006-surface-sam.patch
0007-surface-sam-over-hid.patch
0008-surface-button.patch
0009-surface-typecover.patch
0010-surface-shutdown.patch
0011-surface-gpe.patch
0012-cameras.patch
0013-amd-gpio.patch
0014-rtc.patch
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
'A2FF3A36AAA56654109064AB19802F8B0D70FC30' # Jan Alexander Steffens (heftig)
)
sha256sums=('SKIP'
'6b337a9d3cfdc00005589a80b8d36fa500f6a92ed21565a3aceec48d7202a7da'
'65c28c44516a57d32d2d557bf6b9bcf38e00cefdf2b8ad51160eb07f53e6e998'
'3cabe391cc39dbee88a79f76e9e7a68f7fbcd5518941aa2ab73a77692c87dead'
'b3c4d6a0399f2c8ecc7a0effae000b4b1267c4a66a5605cf2af36dbbb3af6177'
'4eeff5fcdfcdb818e78428ca1be016cefae7a4eb668342cb10dc2a0faa3a24c3'
'c17d6f1e2f1a3651aeeb17d95f2c2acbe79edf9dc5439f245ddac97f1ed87e49'
'31526c5804f59eaff7d82828aa36c073f2c420f76cf97c35749eb51fe124141e'
'09d546553c48a47e836ffa0d2f2360dd821155cdd1cb6bd3ff3e1e1347fc21c6'
'5803466dcf57fcbb743b4da91838195b573407cef57bcf5793a06809b23f8c15'
'f1e5eae2f109144c5afdc3030b07f6d0dbb5ad1078f7988b8e49457a71fd2acc'
'c27549d0f4a78a442fc7e5fab301bc2118db05b309a32819370aae0e5d15e7f2'
'7679f7f64e4cb31ba5fde568f1b8098f5d53340a3e9b4d03fcfd6f9236f75dc9'
'db841b393e6fcd3122bb4d8822beb14285c7832c34a63b0047e9c48e5d4e7703'
'4eeaa04fed9a2b8259e03d7b9b3c312ff99fa33a8140520e4101f2a8125e5850'
'de5959c8a09ff39eec9b564635d866ec3a19f683c62a6bae35049e76e068906e'
'250f2d867500cb1c2aef4682ae4ad67a809158653ff963356bfb3a15c5a4390d'
'b5366ca099e009f5f6e943a78316d0097a330caf48d2c0f07d2751f7dad391cd')
export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
# optional certificate and key for secure boot signing
_mok_crt="$PWD/MOK.crt"
_mok_key="$PWD/MOK.key"
_make() {
test -s version
make KERNELRELEASE="$(<version)" "$@"
}
prepare() {
cd $_srcname
echo "Setting version..."
echo "-$pkgrel" > localversion.10-pkgrel
echo "${pkgbase#linux}" > localversion.20-pkgname
make defconfig
make -s kernelrelease > version
make mrproper
# setup git
git config --local user.email "surfacebot@users.noreply.github.com"
git config --local user.name "surfacebot"
local src
for src in "${source[@]}"; do
src="${src%%::*}"
src="${src##*/}"
[[ $src = *.patch ]] || continue
echo "Applying patch $src..."
git am -3 "../$src"
done
echo "Setting config..."
# cp ../config .config
# merge the two configs together
./scripts/kconfig/merge_config.sh -m ../config ../surface.config ../arch.config
_make olddefconfig
echo "Prepared $pkgbase version $(<version)"
}
build() {
cd $_srcname
_make all
}
_package() {
pkgdesc="The $pkgdesc kernel and modules"
depends=(
coreutils
initramfs
kmod
)
optdepends=(
'wireless-regdb: to set the correct wireless channels of your country'
'linux-firmware: firmware images needed for some devices'
)
provides=(
linux=${_shortver}
KSMBD-MODULE
VIRTUALBOX-GUEST-MODULES
WIREGUARD-MODULE
)
replaces=(
virtualbox-guest-modules-arch
wireguard-arch
)
cd $_srcname
local modulesdir="$pkgdir/usr/lib/modules/$(<version)"
local image_name="$(_make -s image_name)"
# sign boot image if the prequisites are available
if [[ -f "$_mok_crt" ]] && [[ -f "$_mok_key" ]] && [[ -x "$(command -v sbsign)" ]]; then
echo "Signing boot image..."
sbsign --key "$_mok_key" --cert "$_mok_crt" --output "$image_name" "$image_name"
fi
echo "Installing boot image..."
# systemd expects to find the kernel here to allow hibernation
# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
install -Dm644 "$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 $pkgdesc kernel"
depends=(pahole)
provides=("linux-headers=${_shortver}")
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
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 "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
# https://bugs.archlinux.org/task/71392
install -Dt "$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"
}
pkgname=("$pkgbase" "$pkgbase-headers")
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: