linux-surface/pkg/arch/kernel/PKGBUILD
2023-03-03 05:08:03 +01:00

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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=6.2.arch1
pkgrel=1
pkgdesc='Linux'
_shortver=${pkgver%.*}
_fullver=${pkgver%.*}-${pkgver##*.}
_srctag=v${_fullver}
url="https://github.com/archlinux/linux/commits/$_srctag"
arch=(x86_64)
license=(GPL2)
makedepends=(
bc libelf cpio perl tar xz
python
# we don't need `pahole` as deps because we disable `CONFIG_DEBUG_INFO`
# ignoring deps for docs because we don't build docs package
git
)
optdepends=('iptsd: Touchscreen support'
'linux-firmware: Firmware files for Linux'
'linux-firmware-marvell: Firmware files for Marvell WiFi / Bluetooth')
options=('!strip')
_srcname=archlinux-linux
source=(
"$_srcname::git+https://github.com/archlinux/linux#tag=$_srctag"
config # the main kernel config file
surface.config # surface specific options
arch.config # config changes for linux-surface kernel
0001-surface3-oemb.patch
0002-mwifiex.patch
0003-ath10k.patch
0004-ipts.patch
0005-ithc.patch
0006-surface-sam.patch
0007-surface-sam-over-hid.patch
0008-surface-button.patch
0009-surface-typecover.patch
0010-surface-shutdown.patch
0011-cameras.patch
0012-amd-gpio.patch
0013-rtc.patch
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
'A2FF3A36AAA56654109064AB19802F8B0D70FC30' # Jan Alexander Steffens (heftig)
)
sha256sums=('SKIP'
'f35bb39db7324a45e78e6c75c1a60f117fea3f7d0df9f4a32bed411751d6ffea'
'51606da10c2483015dd07479c8f20b34a4e99beb04d083841645afa8aea7be8f'
'22902a3ac84f3ae0a8b442a99c63f81ce8f2dfd678c7c66420fffd52110f11d9'
'b86be7d07c33c896d269156f84e783dda4d482be90790976aeeaa8c5518e87b1'
'432bc1c5d77f733f3fdaf539e63948c86f6b0779e1ea608b10466b1430b035d7'
'9605552c92e33b629c138cd0261f58775fc8d6fc2d8c7b6734d9f5ec3c56bc9b'
'803aefcdc23817da6c87c82dc2b0850992a107446cca261d7a4d8026b550d60b'
'c52040732bd08d7da290f4ed1693661769508a1e982bba4c59448cbbeecca27d'
'182ce03e0124b45bd69af9ae4bc012c7ff74277c0ebdc10964306812e0ba8638'
'1516904d8b68f27a2decd33dbb876adcc06c344ee52d3bdcdb0d617bf80223f1'
'6dbb0d7911fa038ee88e9d195f8df76008c2a694079a290436f7351a9061b949'
'de42c941c6633978b48951cfad0321128ce76a4cff988d2da5df83493745c0a6'
'c4f2c6504368c88903b5708294e1ac85580a26ae548523009fbe865f791a288b'
'f13cbcc8126a87f2f6d82cbd99a2227039a923751365800c38b2903dce75b038'
'c0ef78b979b30ec33967baab61f0292472e158a7c43e322854a6e23399e2a7f8'
'e7d52e8f415ba2d9674307199ad02ee0ef724adf33a07ea5dc5aa97b4ffbe7a3')
export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$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"
prepare() {
cd $_srcname
echo "Setting version..."
scripts/setlocalversion --save-scmversion
echo "-$pkgrel" > localversion.10-pkgrel
echo "${pkgbase#linux}" > localversion.20-pkgname
# setup git
git config --local user.email "surfacebot@users.noreply.github.com"
git config --local user.name "surfacebot"
local src
for src in "${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
make -s kernelrelease > version
echo "Prepared $pkgbase version $(<version)"
}
build() {
cd $_srcname
make all
}
_package() {
pkgdesc="The $pkgdesc kernel and modules"
depends=(coreutils kmod initramfs)
optdepends=('wireless-regdb: to set the correct wireless channels of your country'
'linux-firmware: firmware images needed for some devices')
provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE linux=${_shortver})
replaces=(virtualbox-guest-modules-arch wireguard-arch)
cd $_srcname
local kernver="$(<version)"
local modulesdir="$pkgdir/usr/lib/modules/$kernver"
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: