linux-surface/pkg/arch/kernel/PKGBUILD

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# Maintainer: Blaž Hrastnik <blaz@mxxn.io>
# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
pkgbase=linux-surface
pkgver=5.10.5.arch1
pkgrel=1
pkgdesc='Linux'
_shortver=${pkgver%.*}
_fullver=${pkgver%.*}-${pkgver##*.}
_srctag=v${_fullver}
url="https://git.archlinux.org/linux.git/log/?h=$_srctag"
arch=(x86_64)
license=(GPL2)
makedepends=(
bc kmod libelf cpio perl tar xz
python
# we don't need `pahole` as deps because we disable `CONFIG_DEBUG_INFO`
# ignoring deps for docs because we don't build docs package
git
)
optdepends=('iptsd: Touchscreen support')
options=('!strip')
_srcname=linux-${_fullver}
source=(
"https://git.archlinux.org/linux.git/snapshot/linux-$_fullver.tar.gz"
config # the main kernel config file
surface.config # surface specific options
arch.config # config changes for linux-surface kernel
0001-surface3-oemb.patch
0002-wifi.patch
0003-ipts.patch
0004-surface-gpe.patch
0005-surface-sam-over-hid.patch
0006-surface-sam.patch
0007-surface-hotplug.patch
0008-surface-typecover.patch
0009-cameras.patch
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
'A2FF3A36AAA56654109064AB19802F8B0D70FC30' # Jan Alexander Steffens (heftig)
)
sha256sums=('5462a06bac4235c73db20f8fecd51b93652d6e23b980a3e9fd87369f04649487'
'458d1ca195f3fee5501683a4b61ef0ed0cfa7e5219eccab3390fb40c0289898a'
'1d5a8adeccac83eba0c86fa553b7907add1c5b343e45a8b92daf654e07ccd299'
'8cd2b019aac6d3807a5cdcbbbe0aad81e63193ff3e8dffd7a79d4a1421b858f6'
'6fbbce73f5e239b12fb145b8049d58ffb8120720d0224d27d29ebfd63447fc5d'
'8a4f143f5e0261e2922baaecd3ca7045e40b1b0d089e178827d035185c55b281'
'aa158342561cc428d5149cbaf28dcf4540212f67838a68d698054c761ff98ceb'
'03f6d9ab5df34aa912b619092bbb9147493de4773d2d4c1fccece474e3c1530b'
'de9ee0fd0f01bd8d5802e7ba2ea49e7ef717202e8f608c41bf2223ba260b470c'
'917d3b25a72ea2ddf477c11ebb41001bf5f48c01fb0b7bb085dbb0745358c11a'
'66e9c5b868590c0027f582ee962f1ead8b069a85fe7eb70c6f92e4c95667eb2a'
'ab3af7525a0c4e215c137e30fc1626d9d2adf80ff0d38604fa29ddee4dcaea16'
'ec21d435afe0b600adc203255be140f40027275a5ac6e8f4a299b9c933dad471')
export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$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 $pkgdesc kernel and modules"
depends=(coreutils kmod initramfs)
optdepends=('crda: to set the correct wireless channels of your country'
'linux-firmware: firmware images needed for some devices')
provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE linux=${_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 "$(make -s image_name)" "$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 $pkgdesc kernel"
provides=("linux-headers=${_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 "$builddir" -a scripts
# add objtool for external module building and enabled VALIDATION_STACK option
install -Dt "$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: