linux-rt/repos/extra-x86_64/PKGBUILD

   1 # Maintainer: David Runge <dvzrv@archlinux.org>
   2 # Contributor:  Joakim Hernberg <jbh@alchemy.lu>
   3
   4 pkgbase=linux-rt
   5 pkgver=6.3.0.11.realtime1
   6 pkgrel=1
   7 pkgdesc='Linux RT'
   8 arch=(x86_64)
   9 url="https://gitlab.archlinux.org/archlinux/packaging/upstream/linux-rt/-/commits/v$pkgver"
  10 license=(GPL2)
  11 makedepends=(
  12   bc
  13   cpio
  14   gettext
  15   git
  16   graphviz
  17   imagemagick
  18   libelf
  19   pahole
  20   perl
  21   python-sphinx
  22   tar
  23   texlive-latexextra
  24   xmlto
  25   xz
  26 )
  27 options=(!strip)
  28 source=(
  29   git+https://gitlab.archlinux.org/archlinux/packaging/upstream/linux-rt#tag=v$pkgver?signed
  30   config
  31 )
  32 sha512sums=('SKIP'
  33             'ef4a44b21ee57a52e169557f8921cef343d8752505d6ee2ad0bce23c1d0ad742a951c91a5192b9ff0c10218c836247b4e6c252cfc061e03f9bc216a5d4dcaf8d')
  34 b2sums=('SKIP'
  35         'e3ee8ac045615dbead40cadb316411e752d6f35fc5fcaea31a1c43a06dcd7ed4244501d5d5286d241b29067cfc5722171894f6b5b9acdff0aa199c3cb813565c')
  36 validpgpkeys=(
  37   '647F28654894E3BD457199BE38DBBDC86092693E'  # Greg Kroah-Hartman <gregkh@kernel.org>
  38   '64254695FFF0AA4466CC19E67B96E8162A8CF5D1'  # Sebastian Andrzej Siewior
  39   'C7E7849466FE2358343588377258734B41C31549'  # David Runge <dvzrv@archlinux.org>
  40   '991F6E3F0765CF6295888586139B09DA5BF0D338'  # David Runge <dvzrv@archlinux.org>
  41 )
  42
  43 export KBUILD_BUILD_HOST=archlinux
  44 export KBUILD_BUILD_USER=$pkgbase
  45 export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
  46
  47 _make() {
  48   test -s version
  49   make KERNELRELEASE="$(<version)" "$@"
  50 }
  51
  52 prepare() {
  53   cd $pkgbase
  54
  55   echo "Setting version..."
  56   echo "-$pkgrel" > localversion.10-pkgrel
  57   echo "${pkgbase#linux}" > localversion.20-pkgname
  58   make defconfig
  59   # make -s kernelrelease > version  # this still appends SCM version :(((
  60   echo "$pkgver-$pkgrel${pkgbase#linux}" > version
  61   make mrproper
  62
  63   local src
  64   for src in "${source[@]}"; do
  65     src="${src%%::*}"
  66     src="${src##*/}"
  67     # allow to pick up the RT patch
  68     src="${src//patch.xz/patch}"
  69     [[ $src = *.patch ]] || continue
  70     echo "Applying patch $src..."
  71     patch -Np1 < "../$src"
  72   done
  73
  74   echo "Setting config..."
  75   cp ../config .config
  76   _make olddefconfig
  77   # make nconfig
  78   diff -u ../config .config || :
  79
  80   echo "Prepared $pkgbase version $(<version)"
  81 }
  82
  83 build() {
  84   cd $pkgbase
  85   _make htmldocs all
  86 }
  87
  88 _package() {
  89   pkgdesc="The $pkgdesc kernel and modules"
  90   depends=(
  91     coreutils
  92     initramfs
  93     kmod
  94   )
  95   optdepends=(
  96     'wireless-regdb: to set the correct wireless channels of your country'
  97     'linux-firmware: firmware images needed for some devices'
  98   )
  99   provides=(
 100     KSMBD-MODULE
 101     VIRTUALBOX-GUEST-MODULES
 102     WIREGUARD-MODULE
 103   )
 104
 105   cd $pkgbase
 106   local modulesdir="$pkgdir/usr/lib/modules/$(<version)"
 107
 108   echo "Installing boot image..."
 109   # systemd expects to find the kernel here to allow hibernation
 110   # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
 111   install -Dm644 "$(_make -s image_name)" "$modulesdir/vmlinuz"
 112
 113   # Used by mkinitcpio to name the kernel
 114   echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
 115
 116   echo "Installing modules..."
 117   _make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
 118     DEPMOD=/doesnt/exist modules_install  # Suppress depmod
 119
 120   # remove build and source links
 121   rm "$modulesdir"/{source,build}
 122 }
 123
 124 _package-headers() {
 125   pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
 126   depends=(pahole)
 127
 128   cd $pkgbase
 129   local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
 130
 131   echo "Installing build files..."
 132   install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
 133     localversion.* version vmlinux
 134   install -Dt "$builddir/kernel" -m644 kernel/Makefile
 135   install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
 136   cp -t "$builddir" -a scripts
 137
 138   # required when STACK_VALIDATION is enabled
 139   install -Dt "$builddir/tools/objtool" tools/objtool/objtool
 140
 141   # required when DEBUG_INFO_BTF_MODULES is enabled
 142   install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
 143
 144   echo "Installing headers..."
 145   cp -t "$builddir" -a include
 146   cp -t "$builddir/arch/x86" -a arch/x86/include
 147   install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
 148
 149   install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
 150   install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
 151
 152   # https://bugs.archlinux.org/task/13146
 153   install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
 154
 155   # https://bugs.archlinux.org/task/20402
 156   install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
 157   install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
 158   install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
 159
 160   # https://bugs.archlinux.org/task/71392
 161   install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
 162
 163   echo "Installing KConfig files..."
 164   find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
 165
 166   echo "Removing unneeded architectures..."
 167   local arch
 168   for arch in "$builddir"/arch/*/; do
 169     [[ $arch = */x86/ ]] && continue
 170     echo "Removing $(basename "$arch")"
 171     rm -r "$arch"
 172   done
 173
 174   echo "Removing documentation..."
 175   rm -r "$builddir/Documentation"
 176
 177   echo "Removing broken symlinks..."
 178   find -L "$builddir" -type l -printf 'Removing %P\n' -delete
 179
 180   echo "Removing loose objects..."
 181   find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
 182
 183   echo "Stripping build tools..."
 184   local file
 185   while read -rd '' file; do
 186     case "$(file -Sib "$file")" in
 187       application/x-sharedlib\;*)      # Libraries (.so)
 188         strip -v $STRIP_SHARED "$file" ;;
 189       application/x-archive\;*)        # Libraries (.a)
 190         strip -v $STRIP_STATIC "$file" ;;
 191       application/x-executable\;*)     # Binaries
 192         strip -v $STRIP_BINARIES "$file" ;;
 193       application/x-pie-executable\;*) # Relocatable binaries
 194         strip -v $STRIP_SHARED "$file" ;;
 195     esac
 196   done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
 197
 198   echo "Stripping vmlinux..."
 199   strip -v $STRIP_STATIC "$builddir/vmlinux"
 200
 201   echo "Adding symlink..."
 202   mkdir -p "$pkgdir/usr/src"
 203   ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
 204 }
 205
 206 _package-docs() {
 207   pkgdesc="Documentation for the $pkgdesc kernel"
 208
 209   cd $pkgbase
 210   local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
 211
 212   echo "Installing documentation..."
 213   local src dst
 214   while read -rd '' src; do
 215     dst="${src#Documentation/}"
 216     dst="$builddir/Documentation/${dst#output/}"
 217     install -Dm644 "$src" "$dst"
 218   done < <(find Documentation -name '.*' -prune -o ! -type d -print0)
 219
 220   echo "Adding symlink..."
 221   mkdir -p "$pkgdir/usr/share/doc"
 222   ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
 223 }
 224
 225 pkgname=(
 226   "$pkgbase"
 227   "$pkgbase-headers"
 228   "$pkgbase-docs"
 229 )
 230 for _p in "${pkgname[@]}"; do
 231   eval "package_$_p() {
 232     $(declare -f "_package${_p#$pkgbase}")
 233     _package${_p#$pkgbase}
 234   }"
 235 done
 236
 237 # vim:set ts=8 sts=2 sw=2 et: