# 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=6.6.r14218.4c975a43fa38 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: