Add PKGBUILD

Signed-off-by: KenHV <[email protected]>

PKGBUILD

@@ -0,0 +1,202 @@
+# Maintainer: Jan Alexander Steffens (heftig) <[email protected]>
+# Maintainer: KenHV <[email protected]>
+
+pkgbase=linux-kensur
+pkgver=5.19.9.kensur1
+pkgrel=1
+pkgdesc='Linux'
+_srctag=v${pkgver%.*}-${pkgver##*.}
+arch=(x86_64)
+license=(GPL2)
+makedepends=(
+  bc libelf pahole cpio perl tar xz
+)
+
+options=('!strip')
+
+export KBUILD_BUILD_HOST=archlinux
+export KBUILD_BUILD_USER=$pkgbase
+export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
+
+[ -z ${personal+x} ] && personal=n
+[ -z ${ci+x} ] && ci=n
+[ -z ${lto+x} ] && lto=n
+[ -z ${ccache+x} ] && ccache=n
+[ -z ${clean+x} ] && clean=n
+
+prepare() {
+  cd ..
+
+  echo "Setting config..."
+  make kensur_defconfig
+
+  if [ "$ci" = "n" ]; then
+    vendor=$(lscpu | awk '/Vendor ID/{print $3}')
+    if [[ "$vendor" == "GenuineIntel" || "$vendor" == "AuthenticAMD" ]]; then
+        echo "CPU: $(lscpu | awk '/Model name/{ print substr($0, index($0,$3)) }')"
+        echo "Applying optimizations..."
+        scripts/config -d GENERIC_CPU
+        scripts/config --set-val NR_CPUS $(nproc --all)
+        scripts/config --set-val VGA_ARB_MAX_GPUS $(lspci | grep -E "VGA|3D" | wc -l)
+
+      if [[ "$vendor" == "GenuineIntel" ]]; then
+        scripts/config -e MNATIVE_INTEL
+      elif [[ "$vendor" == "AuthenticAMD" ]]; then
+        scripts/config -e MNATIVE_AMD
+      fi
+    fi
+  fi
+
+  if [ "$personal" = "y" ]; then
+    echo "Applying personal config..."
+    scripts/config -d DRM_AMDGPU
+    scripts/config -d DRM_NOUVEAU
+    scripts/config -d DRM_RADEON
+    scripts/config -d GENERIC_CPU
+    scripts/config -e MSKYLAKE
+    scripts/config --set-val NR_CPUS 8
+    scripts/config --set-val VGA_ARB_MAX_GPUS 2
+  fi
+
+  if [ "$lto" = "y" ]; then
+    echo "Enabling Clang Full LTO..."
+    scripts/config -e LTO_CLANG_FULL
+  fi
+
+  if [ "$clean" = "y" ]; then
+    echo "Clearing ccache..."
+    rm -rf /tmp/ccache/*
+  fi
+
+  make -s kernelrelease > version
+  echo "Prepared $pkgbase version $(<version)"
+}
+
+build() {
+  cd ..
+  if [ "$ccache" = "y" ]; then
+    env PATH="/usr/lib/ccache/bin:${PATH}" make all -j$(nproc --all)
+  else
+    make all -j$(nproc --all)
+  fi
+}
+
+_package() {
+  pkgdesc="The $pkgdesc kernel and modules"
+  depends=(coreutils kmod initramfs)
+  optdepends=('wireless-regdb: to set the correct wireless channels of your country'
+              'linux-firmware: firmware images needed for some devices')
+  provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE)
+  replaces=(virtualbox-guest-modules-arch wireguard-arch)
+
+  cd ..
+  local kernver="$(<version)"
+  local modulesdir="$pkgdir/usr/lib/modules/$kernver"
+
+  echo "Installing boot image..."
+  # systemd expects to find the kernel here to allow hibernation
+  # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
+  install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
+
+  # Used by mkinitcpio to name the kernel
+  echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
+
+  echo "Installing modules..."
+  make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
+    DEPMOD=/doesnt/exist modules_install  # Suppress depmod
+
+  # remove build and source links
+  rm "$modulesdir"/{source,build}
+}
+
+_package-headers() {
+  pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
+  depends=(pahole)
+
+  cd ..
+  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
+
+  echo "Installing build files..."
+  install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
+    version vmlinux
+  install -Dt "$builddir/kernel" -m644 kernel/Makefile
+  install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
+  cp -t "$builddir" -a scripts
+
+  # required when STACK_VALIDATION is enabled
+  install -Dt "$builddir/tools/objtool" tools/objtool/objtool
+
+  # required when DEBUG_INFO_BTF_MODULES is enabled
+  #install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
+
+  echo "Installing headers..."
+  cp -t "$builddir" -a include
+  cp -t "$builddir/arch/x86" -a arch/x86/include
+  install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
+
+  install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
+  install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
+
+  # https://bugs.archlinux.org/task/13146
+  install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
+
+  # https://bugs.archlinux.org/task/20402
+  install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
+  install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
+  install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
+
+  # https://bugs.archlinux.org/task/71392
+  install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
+
+  echo "Installing KConfig files..."
+  find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
+
+  echo "Removing unneeded architectures..."
+  local arch
+  for arch in "$builddir"/arch/*/; do
+    [[ $arch = */x86/ ]] && continue
+    echo "Removing $(basename "$arch")"
+    rm -r "$arch"
+  done
+
+  echo "Removing documentation..."
+  rm -r "$builddir/Documentation"
+
+  echo "Removing broken symlinks..."
+  find -L "$builddir" -type l -printf 'Removing %P\n' -delete
+
+  echo "Removing loose objects..."
+  find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
+
+  echo "Stripping build tools..."
+  local file
+  while read -rd '' file; do
+    case "$(file -bi "$file")" in
+      application/x-sharedlib\;*)      # Libraries (.so)
+        strip -v $STRIP_SHARED "$file" ;;
+      application/x-archive\;*)        # Libraries (.a)
+        strip -v $STRIP_STATIC "$file" ;;
+      application/x-executable\;*)     # Binaries
+        strip -v $STRIP_BINARIES "$file" ;;
+      application/x-pie-executable\;*) # Relocatable binaries
+        strip -v $STRIP_SHARED "$file" ;;
+    esac
+  done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
+
+  echo "Stripping vmlinux..."
+  strip -v $STRIP_STATIC "$builddir/vmlinux"
+
+  echo "Adding symlink..."
+  mkdir -p "$pkgdir/usr/src"
+  ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
+}
+
+pkgname=("$pkgbase" "$pkgbase-headers")
+for _p in "${pkgname[@]}"; do
+  eval "package_$_p() {
+    $(declare -f "_package${_p#$pkgbase}")
+    _package${_p#$pkgbase}
+  }"
+done
+
+# vim:set ts=8 sts=2 sw=2 et: