Switch to new package format

recipe.sh

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+# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
+# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
+# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
+
+# The prepare function is executed in the root of the temp directory
+# This function is used for putting downloaded files to the correct location or applying patches
+prepare() {
+  cd "$BPM_SOURCE"
+  make mrproper
+  cp ../config .config
+}
+
+# The build function is executed in the source directory
+# This function is used to compile the source code
+build() {
+  make LLVM=1 olddefconfig
+  make LLVM=1
+  make -C tools/bpf/bpftool vmlinux.h feature-clang-bpf-co-re=1
+}
+
+# The package function is executed in the source directory
+# This function is used to move the compiled files into the output directory
+package_linux-stable() {
+  # Install kernel modules
+  make INSTALL_MOD_PATH="$BPM_OUTPUT"/usr INSTALL_MOD_STRIP=1 modules_install
+
+  # Install kernel image and config
+  install -Dm644 arch/x86/boot/bzImage "$BPM_OUTPUT"/boot/vmlinuz-linux-stable
+  install -Dm644 .config "$BPM_OUTPUT"/boot/config-linux-stable
+
+  # Remove build link
+  rm "$BPM_OUTPUT"/usr/lib/modules/$(make -s kernelrelease)/build
+
+  # Install package licenses
+  install -d "$BPM_OUTPUT"/usr/share/licenses
+  cp -r "$BPM_SOURCE"/LICENSES "$BPM_OUTPUT"/usr/share/licenses/linux-stable
+}
+
+package_linux-stable-headers() {
+  local builddir="$BPM_OUTPUT"/usr/lib/modules/$(make -s kernelrelease)/build
+
+  local karch
+  case $CARCH in
+    x86_64) karch=x86 ;;
+    *) echo "Unknown CARCH $CARCH"; exit 1 ;;
+  esac
+
+
+  echo "Installing build files..."
+  install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map vmlinux tools/bpf/bpftool/vmlinux.h
+  install -Dt "$builddir/kernel" -m644 kernel/Makefile
+  install -Dt "$builddir/arch/$karch" -m644 arch/$karch/Makefile
+  cp -t "$builddir" -a scripts
+  ln -srt "$builddir" "$builddir/scripts/gdb/vmlinux-gdb.py"
+
+  if [[ $(scripts/config -s CONFIG_HAVE_STACK_VALIDATION) = y ]]; then
+    install -Dt "$builddir/tools/objtool" tools/objtool/objtool
+  fi
+
+  if [[ $(scripts/config -s CONFIG_DEBUG_INFO_BTF_MODULES) = y ]]; then
+    install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
+  fi
+
+  echo "Installing headers..."
+  cp -t "$builddir" -a include
+  cp -t "$builddir/arch/$karch" -a arch/$karch/include
+  install -Dt "$builddir/arch/$karch/kernel" -m644 arch/$karch/kernel/asm-offsets.s
+
+  install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
+  install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
+
+  install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
+
+  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 "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
+
+  install -Dt "$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 "Installing Rust files..."
+  if [[ $(scripts/config -s CONFIG_RUST) = y ]]; then
+    install -Dt "$builddir/rust" -m644 rust/*.rmeta
+    install -Dt "$builddir/rust" rust/*.so
+  fi
+
+  echo "Installing unstripped VDSO..."
+  make INSTALL_MOD_PATH="$BPM_OUTPUT"/usr vdso_install \
+    link=  # Suppress build-id symlinks
+
+  echo "Removing unneeded architectures..."
+  local arch
+  for arch in "$builddir"/arch/*/; do
+    [[ $arch = */$karch/ ]] && 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 "$(file -Sib "$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 "$BPM_OUTPUT"/usr/src
+  ln -sr "$builddir" "$BPM_OUTPUT"/usr/src/linux-stable
+}
+
+package_linux-stable-docs() {
+  # Install documentation
+  install -d "$BPM_OUTPUT"/usr/share/doc/
+  cp -r Documentation "$BPM_OUTPUT"/usr/share/doc/linux-stable
+
+  # Install package licenses
+  install -d "$BPM_OUTPUT"/usr/share/licenses
+  ln -sf linux-stable "$BPM_OUTPUT"/usr/share/licenses/linux-stable-docs
+}