linux-surface/pkg/arch/kernel/PKGBUILD
2020-08-16 01:33:13 +02:00

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# Maintainer: Blaž Hrastnik <blaz@mxxn.io>
# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
pkgbase=linux-surface
pkgver=5.8.1.arch1
pkgrel=1
pkgdesc='Linux'
_fullver=${pkgver%.*}-${pkgver##*.}
_srctag=v${_fullver}
url="https://git.archlinux.org/linux.git/log/?h=$_srctag"
arch=(x86_64)
license=(GPL2)
makedepends=(
bc kmod libelf
# 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
)
options=('!strip')
_srcname=linux-${_fullver}
source=(
"https://git.archlinux.org/linux.git/snapshot/linux-$_fullver.tar.gz"
config # the main kernel config file
surface.config # surface specific options
arch.config # config changes for linux-surface kernel
0001-surface3-oemb.patch
0002-surface-sam.patch
0003-surface-sam-over-hid.patch
0004-wifi.patch
0005-ipts.patch
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
'A2FF3A36AAA56654109064AB19802F8B0D70FC30' # Jan Alexander Steffens (heftig)
)
sha256sums=('1d5d8a6aaa24b1187bdc81f79a0e4b7125c0cb67313a6f9e6f737fea99c82869'
'623601ed9d7879dd9dba1cd50fc8051f9db508b49b4fc0c47c5a9eb9165fc04e'
'd2bcd371871d630773c38b40d3c076a7aadbf678e158d1408f43529ab18979aa'
'8dbaa21d2c03621b0c5d96c4fbcc7a839bea5a34a5f2279a409c3b404756e753'
'9102adc1c9738fac08798b807cf82cfbb2a119e9f16cf8a4b9e4fcba71910230'
'bed5eb54856cd413f998fce2e66f797eb2c49cdb3e1b8266848a3f1da169d6d5'
'27f5fe98a19bfd5f3ab2f488491999ae274e7ff846f09b8cfd08b466d2ac4287'
'87d7aee1021582b452476a49b067a4b4776559ffd311c6f2f796d11e048a93e8'
'fb61b61218fb3577800ce948b361ff3c2df4665106a7b73ec79e656135c470b0')
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 "${pkgbase#linux}" > localversion.20-pkgname
local src
for src in "${source[@]}"; do
src="${src%%::*}"
src="${src##*/}"
[[ $src = *.patch ]] || continue
echo "Applying patch $src..."
patch -Np1 < "../$src"
done
echo "Setting config..."
# cp ../config .config
# 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=('crda: to set the correct wireless channels of your country'
'linux-firmware: firmware images needed for some devices')
provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)
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 "$(make -s image_name)" "$modulesdir/vmlinuz"
# Used by mkinitcpio to name the kernel
echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
echo "Installing modules..."
make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install
# remove build and source links
rm "$modulesdir"/{source,build}
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
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 "$builddir" -a scripts
# add objtool for external module building and enabled VALIDATION_STACK option
install -Dt "$builddir/tools/objtool" tools/objtool/objtool
# add xfs and shmem for aufs building
mkdir -p "$builddir"/{fs/xfs,mm}
echo "Installing headers..."
cp -t "$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
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: