linux-rt-lts/trunk/PKGBUILD

   1 # Maintainer: David Runge <dvzrv@archlinux.org>
   2 # Contributor:  Joakim Hernberg <jbh@alchemy.lu>
   3
   4 pkgbase=linux-rt-lts
   5 pkgver=5.15.107.62.realtime1
   6 pkgrel=2
   7 pkgdesc='Linux RT LTS'
   8 arch=(x86_64)
   9 url="https://gitlab.archlinux.org/archlinux/packaging/upstream/linux-rt-lts/-/commits/v$pkgver"
  10 license=(GPL2)
  11 makedepends=(
  12   bc
  13   git
  14   graphviz
  15   imagemagick
  16   kmod
  17   libelf
  18   pahole
  19   python-sphinx
  20   texlive-latexextra
  21   xmlto
  22 )
  23 options=(!strip)
  24 source=(
  25   git+https://gitlab.archlinux.org/archlinux/packaging/upstream/linux-rt-lts.git/#tag=v$pkgver?signed
  26   gcc13-compat.patch
  27   config
  28 )
  29 sha512sums=('SKIP'
  30             'ce514cb2949c991ffc9258c6d6c879b3c80d7a9661875ae4530375c14c71753f8257795fbbeef9ce39301336bab32c199ca05659e805a12f6249e875b51fbf30'
  31             '463c256a8d36a0eeddf583b00e0ebc3585e00c2a4c3ad4f07ccd7318aee243b6a571df531c7e75d8af81f4f258e6c2791b02cdad2a57bf435219ca54cd96b4dc')
  32 b2sums=('SKIP'
  33         'c1355786897ba36f5dbb01e0c2b434a901d9df88e1305a4be607bb41bbf59769d5ec351166dcfb6035d94a922aad6bac4bf1b8783ea91b7ceb17d59b4613be01'
  34         '443e2997459673250b7dca3ffd24bffeda8a905c507c535814516e676bf359853c05d65eff71aac9c6c91c39bc1508e68ced64336edaab049954c2adc995c4bd')
  35 validpgpkeys=(
  36   '647F28654894E3BD457199BE38DBBDC86092693E'  # Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  37   '5ED9A48FC54C0A22D1D0804CEBC26CDB5A56DE73'  # Steven Rostedt (Der Hacker) <rostedt@goodmis.org>
  38   'C7E7849466FE2358343588377258734B41C31549'  # David Runge <dvzrv@archlinux.org>
  39   '991F6E3F0765CF6295888586139B09DA5BF0D338'  # David Runge <dvzrv@archlinux.org>
  40 )
  41
  42 export KBUILD_BUILD_HOST=archlinux
  43 export KBUILD_BUILD_USER=$pkgbase
  44 export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
  45
  46 prepare() {
  47   cd $pkgbase
  48
  49   echo "Setting version..."
  50   scripts/setlocalversion --save-scmversion
  51   echo "-$pkgrel" > localversion.10-pkgrel
  52   echo "${pkgbase#linux}" > localversion.20-pkgname
  53
  54   local src
  55   for src in "${source[@]}"; do
  56     src="${src%%::*}"
  57     src="${src##*/}"
  58     # picking up the RT patch
  59     src="${src//patch.xz/patch}"
  60     [[ $src = *.patch ]] || continue
  61     echo "Applying patch $src..."
  62     patch -Np1 < "../$src"
  63   done
  64
  65   echo "Setting config..."
  66   cp ../config .config
  67   make olddefconfig
  68   # make nconfig
  69
  70   make -s kernelrelease > version
  71   echo "Prepared $pkgbase version $(<version)"
  72 }
  73
  74 build() {
  75   cd $pkgbase
  76   make htmldocs all
  77 }
  78
  79 _package() {
  80   pkgdesc="The $pkgdesc kernel and modules"
  81   depends=(coreutils initramfs kmod)
  82   optdepends=('wireless-regdb: to set the correct wireless channels of your country'
  83               'linux-firmware: firmware images needed for some devices')
  84   provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE)
  85
  86   cd $pkgbase
  87   local kernver="$(<version)"
  88   local modulesdir="$pkgdir/usr/lib/modules/$kernver"
  89
  90   echo "Installing boot image..."
  91   # systemd expects to find the kernel here to allow hibernation
  92   # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
  93   install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
  94
  95   # Used by mkinitcpio to name the kernel
  96   echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
  97
  98   echo "Installing modules..."
  99   make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
 100     DEPMOD=/doesnt/exist modules_install  # Suppress depmod
 101
 102   # remove build and source links
 103   rm "$modulesdir"/{source,build}
 104 }
 105
 106 _package-headers() {
 107   pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
 108   depends=(pahole)
 109
 110   cd $pkgbase
 111   local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
 112
 113   echo "Installing build files..."
 114   install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
 115     localversion.* version vmlinux
 116   install -Dt "$builddir/kernel" -m644 kernel/Makefile
 117   install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
 118   cp -t "$builddir" -a scripts
 119
 120   # required when STACK_VALIDATION is enabled
 121   install -Dt "$builddir/tools/objtool" tools/objtool/objtool
 122
 123   # required when DEBUG_INFO_BTF_MODULES is enabled
 124   install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
 125
 126   echo "Installing headers..."
 127   cp -t "$builddir" -a include
 128   cp -t "$builddir/arch/x86" -a arch/x86/include
 129   install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
 130
 131   install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
 132   install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
 133
 134   # https://bugs.archlinux.org/task/13146
 135   install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
 136
 137   # https://bugs.archlinux.org/task/20402
 138   install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
 139   install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
 140   install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
 141
 142   # https://bugs.archlinux.org/task/71392
 143   install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
 144
 145   echo "Installing KConfig files..."
 146   find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
 147
 148   echo "Removing unneeded architectures..."
 149   local arch
 150   for arch in "$builddir"/arch/*/; do
 151     [[ $arch = */x86/ ]] && continue
 152     echo "Removing $(basename "$arch")"
 153     rm -r "$arch"
 154   done
 155
 156   echo "Removing documentation..."
 157   rm -r "$builddir/Documentation"
 158
 159   echo "Removing broken symlinks..."
 160   find -L "$builddir" -type l -printf 'Removing %P\n' -delete
 161
 162   echo "Removing loose objects..."
 163   find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
 164
 165   echo "Stripping build tools..."
 166   local file
 167   while read -rd '' file; do
 168     case "$(file -bi "$file")" in
 169       application/x-sharedlib\;*)      # Libraries (.so)
 170         strip -v $STRIP_SHARED "$file" ;;
 171       application/x-archive\;*)        # Libraries (.a)
 172         strip -v $STRIP_STATIC "$file" ;;
 173       application/x-executable\;*)     # Binaries
 174         strip -v $STRIP_BINARIES "$file" ;;
 175       application/x-pie-executable\;*) # Relocatable binaries
 176         strip -v $STRIP_SHARED "$file" ;;
 177     esac
 178   done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
 179
 180   echo "Stripping vmlinux..."
 181   strip -v $STRIP_STATIC "$builddir/vmlinux"
 182
 183   echo "Adding symlink..."
 184   mkdir -p "$pkgdir/usr/src"
 185   ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
 186 }
 187
 188 _package-docs() {
 189   pkgdesc="Documentation for the $pkgdesc kernel"
 190
 191   cd $pkgbase
 192   local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
 193
 194   echo "Installing documentation..."
 195   local src dst
 196   while read -rd '' src; do
 197     dst="${src#Documentation/}"
 198     dst="$builddir/Documentation/${dst#output/}"
 199     install -Dm644 "$src" "$dst"
 200   done < <(find Documentation -name '.*' -prune -o ! -type d -print0)
 201
 202   echo "Adding symlink..."
 203   mkdir -p "$pkgdir/usr/share/doc"
 204   ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
 205 }
 206
 207 pkgname=("$pkgbase" "$pkgbase-headers" "$pkgbase-docs")
 208 for _p in "${pkgname[@]}"; do
 209   eval "package_$_p() {
 210     $(declare -f "_package${_p#$pkgbase}")
 211     _package${_p#$pkgbase}
 212   }"
 213 done
 214
 215 # vim:set ts=8 sts=2 sw=2 et: