linux-surface/pkg/arch/kernel-lts/PKGBUILD
2021-06-13 23:09:40 +02:00

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# Maintainer: Maximilian Luz <luzmaximilian@gmail.com>
pkgbase=linux-surface-lts
pkgver=4.19.194
pkgrel=1
pkgdesc='LTS Linux'
url="https://www.kernel.org/"
arch=(x86_64)
license=(GPL2)
makedepends=(
bc kmod libelf cpio perl tar xz
python
xmlto python-sphinx python-sphinx_rtd_theme graphviz imagemagick
)
options=('!strip')
_srcname=linux-$pkgver
source=(
https://www.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.{xz,sign}
config # the main kernel config file
0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
surface.config
0001-surface3-power.patch
0002-surface3-touchscreen-dma-fix.patch
0003-surface3-oemb.patch
0004-surface-buttons.patch
0005-suspend.patch
0006-ipts.patch
0007-wifi.patch
0008-surface-gpe.patch
0009-surface-sam-over-hid.patch
0010-surface-sam.patch
0011-surface-hotplug.patch
0012-surface-typecover.patch
0013-surface-go-touchscreen.patch
0014-ath10k-firmware-override.patch
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
)
# https://www.kernel.org/pub/linux/kernel/v4.x/sha256sums.asc
sha256sums=('aaaebdccf599f77148fe170642fa7dc2452cf994b5cbbb4d39cab9e7f4058896'
'SKIP'
'4e68572e7cc4c5368f0236e0792660ae8498373988625dca46e509399a7eaea6'
'a13581d3c6dc595206e4fe7fcf6b542e7a1bdbe96101f0f010fc5be49f99baf2'
'c523d8ba9f02992c34b325cd7b07e27bfead33ecab29877e659a12b2d56b1118'
'99346e0295813ebf0f64124cfe93a3eab888f5c4807c007c650dd9ae7372238c'
'54e59b161b21060fd6ca20414efadff9f7c924ea77486f8b4649387bf862ab09'
'b1797356e68bba6bbdfba641314f925a006667c192981c368529ac4bf4a000b3'
'd372f7963cf198032ec53a38995c0f0bdf9ef17541a57ef062a2f8f4810c4303'
'dc10bb8ba502ab99bffa53ae28246fd42426d457fb3860989da31bf7b2dca06b'
'effb11570d93fd78104a48a1923755a727e80286a2275f4cc4a2ab259c340e22'
'01dff88e9a2243d52d4e4d08f462a304d3ca4fa17e65209c19c7b81334f3451b'
'62fc8ecd3a3a66976efd9ad4c957595600114f0f14723832612d83fdd494a37b'
'4b073fa0ad6fcb9d4eda623761fed9b8a7d487cc8361983364a1d7429fb0b0ec'
'6972deb737a05073c88d5b39d02262ade5f5aa6e0da1e8210d85bfbc6d20c16e'
'72486c82afd9417214a2fa0434983e1f73f80b03f0d6959325553aa4d68df86d'
'2c409a68c6d1f92063e47bca60e09ec8e25d3d0546878279b2cd2cc11b89746a'
'b8b067e2cc2b96e5711822b3256782fda385c4ee262f82247516640ec36d0e58'
'98aaa3cd4830be79e26b3adc9100e626d8c4f1a69553e2e4697279439a15854d')
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 $_srcname
msg2 "Setting version..."
scripts/setlocalversion --save-scmversion
echo "-$pkgrel" > localversion.10-pkgrel
echo "${pkgbase#linux}" > localversion.20-pkgname
local src
for src in "${source[@]}"; do
src="${src%%::*}"
src="${src##*/}"
[[ $src = *.patch ]] || continue
msg2 "Applying patch $src..."
patch -Np1 < "../$src"
done
msg2 "Setting config..."
# cp ../config .config
# merge the two configs together
./scripts/kconfig/merge_config.sh -m ../config ../surface.config
make olddefconfig
make -s kernelrelease > version
msg2 "Prepared %s version %s" "$pkgbase" "$(<version)"
}
build() {
cd $_srcname
make bzImage modules
}
_package() {
pkgdesc="The $pkgdesc kernel and modules"
depends=(coreutils kmod initramfs)
optdepends=('crda: to set the correct wireless channels of your country'
'linux-firmware: firmware images needed for some devices')
provides=("linux=${pkgver}")
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
msg2 "Signing boot image..."
sbsign --key "$_mok_key" --cert "$_mok_crt" --output "$image_name" "$image_name"
fi
msg2 "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"
msg2 "Installing modules..."
make INSTALL_MOD_PATH="$pkgdir/usr" modules_install
# remove build and source links
rm "$modulesdir"/{source,build}
msg2 "Fixing permissions..."
chmod -Rc u=rwX,go=rX "$pkgdir"
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
provides=("linux-headers=${pkgver}")
cd $_srcname
local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
msg2 "Installing build files..."
install -Dt "$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 "$builddir"/{fs/xfs,mm}
# this is gone in v5.3
mkdir "$builddir/.tmp_versions"
msg2 "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 "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
msg2 "Installing KConfig files..."
find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
msg2 "Removing unneeded architectures..."
local arch
for arch in "$builddir"/arch/*/; do
[[ $arch = */x86/ ]] && continue
echo "Removing $(basename "$arch")"
rm -r "$arch"
done
msg2 "Removing documentation..."
rm -r "$builddir/Documentation"
msg2 "Removing broken symlinks..."
find -L "$builddir" -type l -printf 'Removing %P\n' -delete
msg2 "Removing loose objects..."
find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
msg2 "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 "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
msg2 "Adding symlink..."
mkdir -p "$pkgdir/usr/src"
ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
msg2 "Fixing permissions..."
chmod -Rc u=rwX,go=rX "$pkgdir"
}
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: