272 lines
9 KiB
Text
272 lines
9 KiB
Text
# Maintainer: Andreas Baumann <mail@andreasbaumann.cc>
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# Contributor: Andreas Radke <andyrtr@archlinux.org>
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pkgbase=linux-lts515
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pkgver=5.15.123
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pkgrel=1
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pkgdesc='LTS Linux 5.15.x'
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url="https://www.kernel.org/"
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arch=(x86_64 pentium4 i686 i486)
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license=(GPL2)
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makedepends=(
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bc libelf pahole cpio perl tar xz
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xmlto python-sphinx python-sphinx_rtd_theme graphviz imagemagick texlive-latexextra
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)
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options=('!strip')
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_srcname=linux-$pkgver
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source=(
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https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.{xz,sign}
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config # the main kernel config file
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0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
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0002-PCI-Add-more-NVIDIA-controllers-to-the-MSI-masking-q.patch
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0003-iommu-intel-do-deep-dma-unmapping-to-avoid-kernel-fl.patch
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0004-Bluetooth-btintel-Fix-bdaddress-comparison-with-garb.patch
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0005-lg-laptop-Recognize-more-models.patch
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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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# https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
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sha256sums=('2de69544a12e6a059163c58fc901c13bcf22e8cac39c66b56f8fbb633399bf93'
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'SKIP'
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'55ab34d2281ec5363f10c14219c7ada92c8c6d7c0cacfb288e0bf1a923e88872'
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'3b5cfc9ca9cf778ea2c4b619b933cda26519969df2d764b5a687f63cf59974cd'
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'c175fbb141c3cec013c799f694d88310375ac5456042f6a4a1adc7667836d786'
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'8357f000b2b622e73dcfd41c2bad42b5e99fffe8f7ee64f774aa771f86cef43c'
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'5c1ee81fdd5818442af6081de987f9c1a9ce3c8d183566b3dfc19a8433aa3dde'
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'067e8995fcd6f6ed25e0253e9374c0e179a000c154da3e59ce62634945ac5be9')
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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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prepare() {
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cd $_srcname
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echo "Setting version..."
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scripts/setlocalversion --save-scmversion
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echo "-$pkgrel" > localversion.10-pkgrel
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echo "${pkgbase#linux}" > localversion.20-pkgname
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local src
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for src in "${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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echo "Setting config..."
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cp ../config .config
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make olddefconfig
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diff -u ../config .config || :
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make -s kernelrelease > version
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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 htmldocs 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=(coreutils kmod initramfs)
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optdepends=('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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provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE)
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replaces=(wireguard-lts)
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cd $_srcname
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local kernver="$(<version)"
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local modulesdir="$pkgdir/usr/lib/modules/$kernver"
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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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make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
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DEPMOD=/doesnt/exist modules_install # Suppress depmod
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# remove build and source links
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rm "$modulesdir"/{source,build}
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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 "$(file -bi "$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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_package-docs() {
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pkgdesc="Documentation for the $pkgdesc kernel"
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cd $_srcname
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local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
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echo "Installing documentation..."
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local src dst
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while read -rd '' src; do
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dst="${src#Documentation/}"
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dst="$builddir/Documentation/${dst#output/}"
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install -Dm644 "$src" "$dst"
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done < <(find Documentation -name '.*' -prune -o ! -type d -print0)
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echo "Adding symlink..."
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mkdir -p "$pkgdir/usr/share/doc"
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ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
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}
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pkgname=("$pkgbase" "$pkgbase-headers" "$pkgbase-docs")
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for _p in "${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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if [ "${CARCH}" = "i486" -o "${CARCH}" = "i686" -o "${CARCH}" = "pentium4" ]; then
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# use 32-bit configuration files per subarchitecture instead of main config file
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source_pentium4=('config.pentium4')
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source_i686=('config.i686')
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source_i486=('config.i486')
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# fail if upstream's .config changes
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for ((i=0; i<${#sha256sums[@]}; i++)); do
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if [ "${sha256sums[${i}]}" = '55ab34d2281ec5363f10c14219c7ada92c8c6d7c0cacfb288e0bf1a923e88872' ]; then
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sha256sums_pentium4=('4de7f462a6f5232dcd365d13e1f68a00d7a826d0e33fe58864148afe311c02df')
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sha256sums_i686=('7866ae290f73444a591e54dbd2d417c478d0fa6d891e2afab967a9164b80743f')
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sha256sums_i486=('c41a8ea7872ba608d12a55c5b47ae5df72cc8287185d915f7a7992e3611343bb')
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fi
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done
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# copy architecture specific config file, not default 'config'
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eval "$(
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declare -f prepare | \
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sed '
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s,\.\./config,../config.$CARCH,
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'
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)"
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# patch architecture when copying the kernel Makefile
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eval "$(
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declare -f package_linux-lts515-headers | \
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sed '
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\,/tools/objtool" ,d
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\,arch/x86/Makefile, {
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a \
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install -t "${builddir}/arch/x86" -m644 arch/x86/Makefile_32.cpu
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}
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'
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)"
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# avoid using zstd compression in ultra mode (exhausts virtual memory)
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source+=('no-ultra-zstd.patch')
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sha256sums+=('3997ce6033fdf950a9960f1db720b38c47b1a2e06ab75fc6712c154f596e7c47')
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# upstream prepare() does already do the *.patch patching
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# temporarily disabled documentation due to sphinx_rtd_theme (FS32#163)
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pkgname=(
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$(
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printf '%s\n' "${pkgname[@]}" | \
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grep -v '^\$pkgbase-docs'
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)
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)
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eval "$(
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declare -f build | \
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sed '
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s/\bhtmldocs\b//
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'
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)"
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makedepends=(${makedepends[@]//python-sphinx_rtd_theme/})
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makedepends=(${makedepends[@]//python-sphinx/})
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makedepends=(${makedepends[@]//graphviz/})
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makedepends=(${makedepends[@]//imagemagick/})
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makedepends=(${makedepends[@]//texlive-latexextra/})
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fi
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