lilac/repo/linux-git/PKGBUILD

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# Maintainer: David Cohen <dacohen@pm.me>
# Contributor: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
# This PKGBUILD script and the config file are based on official Arch's linux package
# Refer to config file to get the exact versions it's based on. Any changes to the config
# will be on config.extra file.
pkgbase=linux-git
pkgver=6.7.rc8.r177.52b1853b080a
pkgrel=1
pkgdesc="Linus Torvalds' Mainline Linux"
url="https://www.kernel.org"
arch=(x86_64)
license=(GPL2)
_userconfig="/etc/${pkgbase}/config"
_userremote="/etc/${pkgbase}/remote"
_userpatches="/etc/${pkgbase}/patches/patches"
backup=(
"${_userconfig##/}"
"${_userremote##/}"
"${_userpatches##/}"
)
makedepends=(
bc
cpio
gettext
git
libelf
pahole
perl
python
tar
xz
)
options=('!strip')
_srcname=linux-torvalds
source=(
"$_srcname::git+https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux"
config # the main kernel config file
config.extra # additional configs
config.user # user custom config
remote # custom remote config
patches # user patches config
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
)
b2sums=(
'SKIP' # linux git source
'9a1770eed7e306ddd532b1df9d62c52b4f6c938d147473bed6ba92a4139654f313d7033bb6bc509f4054fa757acf33a8d73b6f36fed2a134f72d1724bf2db717' # config
'249bec61fed688345a0f41245af9e8e189af3149e66a3c0dcc8e833151428232a701a35ed760ef93ceb5f25d9378c44f903f380a7051a65fb9a203c6fb51ebcd' # config.extra
'SKIP' # config.user
'SKIP' # remote
'a483bfcc2f7926def88842a1b5da5170ed50e941d82e5389521c71e82015f1b1d8503efda1517f85105a5ed218bd4ca282f4381b16926cdc774c85b8b5a11615' # patches
)
export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
_make() {
test -s version
make KERNELRELEASE="$(<version)" "$@"
}
pkgver() {
cd "$srcdir/$_srcname"
if [[ -n "$REMOTE_URL" ]]; then
# if $REMOTE_URL was created, it's safe to use $REMOTE
printf "%s" "$(git describe --dirty=-patched --long | sed 's/\([^-]*-\)g/r\1/;s/-/./g' | sed 's/^v//').${REMOTE//[\/-]/.}"
else
printf "%s" "$(git describe --dirty=-patched --long | sed 's/\([^-]*-\)g/r\1/;s/-/./g' | sed 's/^v//')"
fi
}
prepare() {
cd $_srcname
if [[ -z ${IGNORE_USER_CUSTOM} ]]; then
[[ -f "$_userremote" ]] && source "$_userremote" || source "../${_userremote##*/}"
fi
if [[ -n "$REMOTE" && -n "$COMMIT" ]]; then
REMOTE_PREFIX=${source[0]##${_srcname}::git+}
REMOTE_PREFIX=${REMOTE_PREFIX%%torvalds/linux}
REMOTE_URL=${REMOTE_PREFIX}${REMOTE}
echo
echo "================================================================================"
echo "Build script detected custom variables \$REMOTE and \$COMMIT are being used:"
echo "REMOTE_PREFIX: $REMOTE_PREFIX"
echo "REMOTE_TIP : $REMOTE"
echo "COMMIT : $COMMIT"
echo "================================================================================"
echo
echo "Fetching ${REMOTE_PREFIX}${REMOTE} ${COMMIT}"
git fetch -t ${REMOTE_URL} ${COMMIT}
git checkout -f FETCH_HEAD
fi
echo "Setting version..."
echo "-$pkgrel" > localversion.10-pkgrel
echo "${pkgbase#linux}" > localversion.20-pkgname
make defconfig
make -s kernelrelease > version
make mrproper
local src
for src in "${source[@]}"; do
src="${src%%::*}"
src="${src##*/}"
[[ $src = *.patch ]] || continue
echo "Applying patch $src..."
patch -Np1 < "../$src"
done
if [[ -z ${IGNORE_USER_CUSTOM} ]]; then
echo
echo "====================================== User Patches ======================================"
[[ -f "$_userpatches" ]] && source "$_userpatches"
PATCHES_PREFIX=${_userpatches%%patches}
for src in "${PATCHES[@]}"; do
[[ $src = *.patch ]] || continue
echo " -> Applying user patch $src..."
patch -Np1 < "${PATCHES_PREFIX}$src"
_USER_PATCHES="1"
done
echo "=========================================================================================="
echo
# Let user see the patches were applied before proceed with the build
[[ ! -z ${_USER_PATCHES} ]] && sleep 5
fi
echo "Setting config..."
cat ../config ../config.extra > .config
if [[ -z ${IGNORE_USER_CUSTOM} ]]; then
if [[ -f "$_userconfig" ]]; then
cat $_userconfig >> .config
else
cat ../config.user >> .config
fi
fi
_make olddefconfig
diff -u ../config .config || :
echo "Prepared $pkgbase version $(<version)"
}
build() {
cd $_srcname
_make all
}
_package() {
pkgdesc="The $pkgdesc kernel and modules"
depends=(
coreutils
initramfs
kmod
)
optdepends=(
'wireless-regdb: to set the correct wireless channels of your country'
'linux-firmware: firmware images needed for some devices'
)
provides=(
KSMBD-MODULE
VIRTUALBOX-GUEST-MODULES
WIREGUARD-MODULE
)
replaces=(
virtualbox-guest-modules-arch
wireguard-arch
)
install="${pkgbase}.install"
cd $_srcname
local modulesdir="$pkgdir/usr/lib/modules/$(<version)"
echo "Installing boot image..."
# systemd expects to find the kernel here to allow hibernation
# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
install -Dm644 "$(_make -s image_name)" "$modulesdir/vmlinuz"
# Used by mkinitcpio to name the kernel
echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
echo "Installing modules..."
ZSTD_CLEVEL=19 _make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
DEPMOD=/doesnt/exist modules_install # Suppress depmod
# remove build and source links
rm -f "$modulesdir"/{source,build}
# install config files
install -Dm644 $srcdir/config.user "${pkgdir}${_userconfig}"
install -Dm644 $srcdir/remote "${pkgdir}${_userremote}"
install -Dm644 $srcdir/patches "${pkgdir}${_userpatches}"
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
depends=(pahole)
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
# required when DEBUG_INFO_BTF_MODULES is enabled
install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
echo "Installing headers..."
cp -t "$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
# https://bugs.archlinux.org/task/13146
install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
# https://bugs.archlinux.org/task/20402
install -Dt "$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 "$(file -Sib "$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: