290 lines
9.4 KiB
Bash
290 lines
9.4 KiB
Bash
# Maintainer: David Cohen <dacohen@pm.me>
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# Contributor: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
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# This PKGBUILD script and the config file are based on official Arch's linux package
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# Refer to config file to get the exact versions it's based on. Any changes to the config
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# will be on config.extra file.
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pkgbase=linux-git
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pkgver=6.7.rc8.r177.52b1853b080a
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pkgrel=1
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pkgdesc="Linus Torvalds' Mainline Linux"
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url="https://www.kernel.org"
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arch=(x86_64)
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license=(GPL2)
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_userconfig="/etc/${pkgbase}/config"
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_userremote="/etc/${pkgbase}/remote"
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_userpatches="/etc/${pkgbase}/patches/patches"
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backup=(
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"${_userconfig##/}"
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"${_userremote##/}"
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"${_userpatches##/}"
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)
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makedepends=(
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bc
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cpio
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gettext
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git
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libelf
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pahole
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perl
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python
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tar
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xz
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)
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options=('!strip')
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_srcname=linux-torvalds
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source=(
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"$_srcname::git+https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux"
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config # the main kernel config file
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config.extra # additional configs
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config.user # user custom config
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remote # custom remote config
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patches # user patches config
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)
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validpgpkeys=(
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'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
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'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
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)
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b2sums=(
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'SKIP' # linux git source
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'9a1770eed7e306ddd532b1df9d62c52b4f6c938d147473bed6ba92a4139654f313d7033bb6bc509f4054fa757acf33a8d73b6f36fed2a134f72d1724bf2db717' # config
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'249bec61fed688345a0f41245af9e8e189af3149e66a3c0dcc8e833151428232a701a35ed760ef93ceb5f25d9378c44f903f380a7051a65fb9a203c6fb51ebcd' # config.extra
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'SKIP' # config.user
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'SKIP' # remote
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'a483bfcc2f7926def88842a1b5da5170ed50e941d82e5389521c71e82015f1b1d8503efda1517f85105a5ed218bd4ca282f4381b16926cdc774c85b8b5a11615' # patches
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)
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export KBUILD_BUILD_HOST=archlinux
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export KBUILD_BUILD_USER=$pkgbase
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export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
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_make() {
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test -s version
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make KERNELRELEASE="$(<version)" "$@"
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}
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pkgver() {
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cd "$srcdir/$_srcname"
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if [[ -n "$REMOTE_URL" ]]; then
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# if $REMOTE_URL was created, it's safe to use $REMOTE
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printf "%s" "$(git describe --dirty=-patched --long | sed 's/\([^-]*-\)g/r\1/;s/-/./g' | sed 's/^v//').${REMOTE//[\/-]/.}"
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else
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printf "%s" "$(git describe --dirty=-patched --long | sed 's/\([^-]*-\)g/r\1/;s/-/./g' | sed 's/^v//')"
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fi
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}
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prepare() {
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cd $_srcname
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if [[ -z ${IGNORE_USER_CUSTOM} ]]; then
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[[ -f "$_userremote" ]] && source "$_userremote" || source "../${_userremote##*/}"
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fi
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if [[ -n "$REMOTE" && -n "$COMMIT" ]]; then
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REMOTE_PREFIX=${source[0]##${_srcname}::git+}
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REMOTE_PREFIX=${REMOTE_PREFIX%%torvalds/linux}
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REMOTE_URL=${REMOTE_PREFIX}${REMOTE}
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echo
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echo "================================================================================"
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echo "Build script detected custom variables \$REMOTE and \$COMMIT are being used:"
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echo "REMOTE_PREFIX: $REMOTE_PREFIX"
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echo "REMOTE_TIP : $REMOTE"
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echo "COMMIT : $COMMIT"
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echo "================================================================================"
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echo
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echo "Fetching ${REMOTE_PREFIX}${REMOTE} ${COMMIT}"
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git fetch -t ${REMOTE_URL} ${COMMIT}
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git checkout -f FETCH_HEAD
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fi
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echo "Setting version..."
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echo "-$pkgrel" > localversion.10-pkgrel
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echo "${pkgbase#linux}" > localversion.20-pkgname
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make defconfig
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make -s kernelrelease > version
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make mrproper
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local src
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for src in "${source[@]}"; do
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src="${src%%::*}"
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src="${src##*/}"
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[[ $src = *.patch ]] || continue
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echo "Applying patch $src..."
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patch -Np1 < "../$src"
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done
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if [[ -z ${IGNORE_USER_CUSTOM} ]]; then
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echo
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echo "====================================== User Patches ======================================"
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[[ -f "$_userpatches" ]] && source "$_userpatches"
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PATCHES_PREFIX=${_userpatches%%patches}
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for src in "${PATCHES[@]}"; do
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[[ $src = *.patch ]] || continue
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echo " -> Applying user patch $src..."
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patch -Np1 < "${PATCHES_PREFIX}$src"
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_USER_PATCHES="1"
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done
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echo "=========================================================================================="
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echo
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# Let user see the patches were applied before proceed with the build
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[[ ! -z ${_USER_PATCHES} ]] && sleep 5
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fi
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echo "Setting config..."
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cat ../config ../config.extra > .config
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if [[ -z ${IGNORE_USER_CUSTOM} ]]; then
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if [[ -f "$_userconfig" ]]; then
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cat $_userconfig >> .config
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else
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cat ../config.user >> .config
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fi
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fi
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_make olddefconfig
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diff -u ../config .config || :
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echo "Prepared $pkgbase version $(<version)"
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}
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build() {
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cd $_srcname
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_make all
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}
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_package() {
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pkgdesc="The $pkgdesc kernel and modules"
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depends=(
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coreutils
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initramfs
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kmod
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)
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optdepends=(
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'wireless-regdb: to set the correct wireless channels of your country'
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'linux-firmware: firmware images needed for some devices'
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)
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provides=(
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KSMBD-MODULE
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VIRTUALBOX-GUEST-MODULES
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WIREGUARD-MODULE
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)
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replaces=(
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virtualbox-guest-modules-arch
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wireguard-arch
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)
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install="${pkgbase}.install"
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cd $_srcname
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local modulesdir="$pkgdir/usr/lib/modules/$(<version)"
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echo "Installing boot image..."
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# systemd expects to find the kernel here to allow hibernation
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# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
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install -Dm644 "$(_make -s image_name)" "$modulesdir/vmlinuz"
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# Used by mkinitcpio to name the kernel
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echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
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echo "Installing modules..."
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ZSTD_CLEVEL=19 _make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
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DEPMOD=/doesnt/exist modules_install # Suppress depmod
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# remove build and source links
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rm -f "$modulesdir"/{source,build}
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# install config files
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install -Dm644 $srcdir/config.user "${pkgdir}${_userconfig}"
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install -Dm644 $srcdir/remote "${pkgdir}${_userremote}"
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install -Dm644 $srcdir/patches "${pkgdir}${_userpatches}"
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}
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_package-headers() {
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pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
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depends=(pahole)
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cd $_srcname
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local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
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echo "Installing build files..."
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install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
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localversion.* version vmlinux
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install -Dt "$builddir/kernel" -m644 kernel/Makefile
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install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
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cp -t "$builddir" -a scripts
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# required when STACK_VALIDATION is enabled
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install -Dt "$builddir/tools/objtool" tools/objtool/objtool
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# required when DEBUG_INFO_BTF_MODULES is enabled
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install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
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echo "Installing headers..."
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cp -t "$builddir" -a include
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cp -t "$builddir/arch/x86" -a arch/x86/include
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install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
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install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
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install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
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# https://bugs.archlinux.org/task/13146
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install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
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# https://bugs.archlinux.org/task/20402
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install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
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install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
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install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
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# https://bugs.archlinux.org/task/71392
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install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
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echo "Installing KConfig files..."
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find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
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echo "Removing unneeded architectures..."
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local arch
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for arch in "$builddir"/arch/*/; do
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[[ $arch = */x86/ ]] && continue
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echo "Removing $(basename "$arch")"
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rm -r "$arch"
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done
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echo "Removing documentation..."
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rm -r "$builddir/Documentation"
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echo "Removing broken symlinks..."
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find -L "$builddir" -type l -printf 'Removing %P\n' -delete
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echo "Removing loose objects..."
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find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
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echo "Stripping build tools..."
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local file
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while read -rd '' file; do
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case "$(file -Sib "$file")" in
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application/x-sharedlib\;*) # Libraries (.so)
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strip -v $STRIP_SHARED "$file" ;;
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application/x-archive\;*) # Libraries (.a)
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strip -v $STRIP_STATIC "$file" ;;
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application/x-executable\;*) # Binaries
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strip -v $STRIP_BINARIES "$file" ;;
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application/x-pie-executable\;*) # Relocatable binaries
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strip -v $STRIP_SHARED "$file" ;;
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esac
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done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
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echo "Stripping vmlinux..."
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strip -v $STRIP_STATIC "$builddir/vmlinux"
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echo "Adding symlink..."
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mkdir -p "$pkgdir/usr/src"
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ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
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}
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pkgname=("$pkgbase" "$pkgbase-headers")
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for _p in "${pkgname[@]}"; do
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eval "package_$_p() {
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$(declare -f "_package${_p#$pkgbase}")
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_package${_p#$pkgbase}
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}"
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done
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# vim:set ts=8 sts=2 sw=2 et:
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