linux-lts/trunk/PKGBUILD

   1 # Maintainer: Andreas Radke <andyrtr@archlinux.org>
   2
   3 pkgbase=linux-lts
   4 pkgver=6.1.27
   5 pkgrel=1
   6 pkgdesc='LTS Linux'
   7 url="https://www.kernel.org/"
   8 arch=(x86_64)
   9 license=(GPL2)
  10 makedepends=(
  11   bc libelf pahole cpio perl tar xz gettext
  12   xmlto python-sphinx graphviz imagemagick texlive-latexextra
  13 )
  14 options=('!strip')
  15 _srcname=linux-$pkgver
  16 source=(
  17   https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.{xz,sign}
  18   config         # the main kernel config file
  19   0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
  20 )
  21 validpgpkeys=(
  22   'ABAF11C65A2970B130ABE3C479BE3E4300411886'  # Linus Torvalds
  23   '647F28654894E3BD457199BE38DBBDC86092693E'  # Greg Kroah-Hartman
  24 )
  25 # https://www.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
  26 sha256sums=('c2b74b96dd3d0cc9f300914ef7c4eef76d5fac9de6047961f49e69447ce9f905'
  27             'SKIP'
  28             'f71c1642b23ca382a77ad829527ab2552f7a4783f0fec19cced7f8fea82205de'
  29             '1bd8388fcb6ed4eec46450c65eb7a0889a8c541f164a39e3064633981a7a4a3d')
  30
  31 export KBUILD_BUILD_HOST=archlinux
  32 export KBUILD_BUILD_USER=$pkgbase
  33 export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
  34
  35 prepare() {
  36   cd $_srcname
  37
  38   echo "Setting version..."
  39   scripts/setlocalversion --save-scmversion
  40   echo "-$pkgrel" > localversion.10-pkgrel
  41   echo "${pkgbase#linux}" > localversion.20-pkgname
  42
  43   local src
  44   for src in "${source[@]}"; do
  45     src="${src%%::*}"
  46     src="${src##*/}"
  47     [[ $src = *.patch ]] || continue
  48     echo "Applying patch $src..."
  49     patch -Np1 < "../$src"
  50   done
  51
  52   echo "Setting config..."
  53   cp ../config .config
  54   make olddefconfig
  55   diff -u ../config .config || :
  56
  57   make -s kernelrelease > version
  58   echo "Prepared $pkgbase version $(<version)"
  59 }
  60
  61 build() {
  62   cd $_srcname
  63   make htmldocs all
  64 }
  65
  66 _package() {
  67   pkgdesc="The $pkgdesc kernel and modules"
  68   depends=(coreutils kmod initramfs)
  69   optdepends=('wireless-regdb: to set the correct wireless channels of your country'
  70               'linux-firmware: firmware images needed for some devices')
  71   provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE)
  72   replaces=(wireguard-lts)
  73
  74   cd $_srcname
  75   local kernver="$(<version)"
  76   local modulesdir="$pkgdir/usr/lib/modules/$kernver"
  77
  78   echo "Installing boot image..."
  79   # systemd expects to find the kernel here to allow hibernation
  80   # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
  81   install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
  82
  83   # Used by mkinitcpio to name the kernel
  84   echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
  85
  86   echo "Installing modules..."
  87   make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
  88     DEPMOD=/doesnt/exist modules_install  # Suppress depmod
  89
  90   # remove build and source links
  91   rm "$modulesdir"/{source,build}
  92 }
  93
  94 _package-headers() {
  95   pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
  96   depends=(pahole)
  97
  98   cd $_srcname
  99   local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
 100
 101   echo "Installing build files..."
 102   install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
 103     localversion.* version vmlinux
 104   install -Dt "$builddir/kernel" -m644 kernel/Makefile
 105   install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
 106   cp -t "$builddir" -a scripts
 107
 108   # required when STACK_VALIDATION is enabled
 109   install -Dt "$builddir/tools/objtool" tools/objtool/objtool
 110
 111   # required when DEBUG_INFO_BTF_MODULES is enabled
 112   install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
 113
 114   echo "Installing headers..."
 115   cp -t "$builddir" -a include
 116   cp -t "$builddir/arch/x86" -a arch/x86/include
 117   install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
 118
 119   install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
 120   install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
 121
 122   # https://bugs.archlinux.org/task/13146
 123   install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
 124
 125   # https://bugs.archlinux.org/task/20402
 126   install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
 127   install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
 128   install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
 129
 130   # https://bugs.archlinux.org/task/71392
 131   install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
 132
 133   echo "Installing KConfig files..."
 134   find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
 135
 136   echo "Removing unneeded architectures..."
 137   local arch
 138   for arch in "$builddir"/arch/*/; do
 139     [[ $arch = */x86/ ]] && continue
 140     echo "Removing $(basename "$arch")"
 141     rm -r "$arch"
 142   done
 143
 144   echo "Removing documentation..."
 145   rm -r "$builddir/Documentation"
 146
 147   echo "Removing broken symlinks..."
 148   find -L "$builddir" -type l -printf 'Removing %P\n' -delete
 149
 150   echo "Removing loose objects..."
 151   find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
 152
 153   echo "Stripping build tools..."
 154   local file
 155   while read -rd '' file; do
 156     case "$(file -Sib "$file")" in
 157       application/x-sharedlib\;*)      # Libraries (.so)
 158         strip -v $STRIP_SHARED "$file" ;;
 159       application/x-archive\;*)        # Libraries (.a)
 160         strip -v $STRIP_STATIC "$file" ;;
 161       application/x-executable\;*)     # Binaries
 162         strip -v $STRIP_BINARIES "$file" ;;
 163       application/x-pie-executable\;*) # Relocatable binaries
 164         strip -v $STRIP_SHARED "$file" ;;
 165     esac
 166   done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
 167
 168   echo "Stripping vmlinux..."
 169   strip -v $STRIP_STATIC "$builddir/vmlinux"
 170
 171   echo "Adding symlink..."
 172   mkdir -p "$pkgdir/usr/src"
 173   ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
 174 }
 175
 176 _package-docs() {
 177   pkgdesc="Documentation for the $pkgdesc kernel"
 178
 179   cd $_srcname
 180   local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
 181
 182   echo "Installing documentation..."
 183   local src dst
 184   while read -rd '' src; do
 185     dst="${src#Documentation/}"
 186     dst="$builddir/Documentation/${dst#output/}"
 187     install -Dm644 "$src" "$dst"
 188   done < <(find Documentation -name '.*' -prune -o ! -type d -print0)
 189
 190   echo "Adding symlink..."
 191   mkdir -p "$pkgdir/usr/share/doc"
 192   ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
 193 }
 194
 195 pkgname=("$pkgbase" "$pkgbase-headers" "$pkgbase-docs")
 196 for _p in "${pkgname[@]}"; do
 197   eval "package_$_p() {
 198     $(declare -f "_package${_p#$pkgbase}")
 199     _package${_p#$pkgbase}
 200   }"
 201 done
 202
 203 # vim:set ts=8 sts=2 sw=2 et: