344 lines
12 KiB
Plaintext
344 lines
12 KiB
Plaintext
# Maintainer: Minoplhy <c@3qx.nl>
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_flavor=zen
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pkgname=linux-$_flavor
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pkgver=6.12.1
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_relver=zen1
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#_kernver=${pkgver%.*}
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_kernver=$pkgver
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pkgrel=0
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pkgdesc="Linux Zen kernel"
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url="https://github.com/zen-kernel/zen-kernel"
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depends="initramfs-generator"
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_depends_dev="perl gmp-dev mpc1-dev mpfr-dev elfutils-dev bash flex bison zstd"
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makedepends="$_depends_dev sed installkernel bc linux-headers linux-firmware-any openssl-dev>3 mawk
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diffutils findutils zstd pahole python3 gcc>=13.1.1_git20230624 zstd"
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options="!strip !check"
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_config=${config:-config-lts.${CARCH}}
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source="https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kernver.tar.xz
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zen.x86_64.config
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zen.aarch64.config
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zen.armv7.config
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zen.loongarch64.config
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zen.ppc64le.config
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zen.riscv64.config
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zen.s390x.config
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zen.x86.config
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"
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subpackages="$pkgname-dev:_dev:$CBUILD_ARCH $pkgname-doc"
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for _i in $source; do
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case $_i in
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*.$CARCH.config)
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_f=${_i%."$CARCH".config}
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_flavors="$_flavors $_f"
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if [ "linux-$_f" != "$pkgname" ]; then
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subpackages="$subpackages linux-$_f::$CBUILD_ARCH linux-$_f-dev:_dev:$CBUILD_ARCH"
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fi
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;;
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esac
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done
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builddir="$srcdir"/linux-$_kernver
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if [ "${pkgver%.0}" = "$pkgver" ]; then
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# Prepend to apply first
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source="patch-$pkgver.patch.zst::https://github.com/zen-kernel/zen-kernel/releases/download/v$pkgver-$_relver/linux-v$pkgver-$_relver.patch.zst $source"
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fi
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arch="all !armhf !riscv64"
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license="GPL-2.0-only"
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prepare() {
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default_prepare
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for i in $source; do
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case ${i%::*} in
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*.patch.zst)
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msg "${i%::*}"
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# unzstd ignore symlink. so, realpath does the trick!
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unzstd -c "$(realpath $srcdir/$(filename_from_uri $i))" | patch ${patch_args:--p1} || failed="$failed $i"
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;;
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esac
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done
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# remove localversion from patch if any
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rm -f localversion*
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}
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_kernelarch() {
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local arch="$1"
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case "$arch" in
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aarch64*) arch="arm64" ;;
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arm*) arch="arm" ;;
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ppc*) arch="powerpc" ;;
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s390*) arch="s390" ;;
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riscv*) arch="riscv" ;;
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loongarch64) arch="loongarch" ;;
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esac
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echo "$arch"
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}
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_prepareconfig() {
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local _flavor="$1"
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local _arch="$2"
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local _config=$_flavor.$_arch.config
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local _builddir="$srcdir"/build-$_flavor.$_arch
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mkdir -p "$_builddir"
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echo "-$pkgrel-$_flavor" > "$_builddir"/localversion-alpine
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cp "$srcdir"/$_config "$_builddir"/.config
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msg "Configuring $_flavor kernel ($_arch)"
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make -C "$builddir" \
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O="$_builddir" \
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ARCH="$(_kernelarch $_arch)" \
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olddefconfig
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if grep "CONFIG_MODULE_SIG=y" "$_builddir"/.config >/dev/null; then
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if [ -f "$KERNEL_SIGNING_KEY" ]; then
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sed -i -e "s:^CONFIG_MODULE_SIG_KEY=.*:CONFIG_MODULE_SIG_KEY=\"$KERNEL_SIGNING_KEY\":" \
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"$_builddir"/.config
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msg "Using $KERNEL_SIGNING_KEY to sign $_flavor kernel ($_arch) modules"
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else
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warning "KERNEL_SIGNING_KEY was not set. A signing key will be generated, but 3rd"
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warning "party modules can not be signed"
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fi
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fi
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}
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listconfigs() {
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for i in $source; do
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case "$i" in
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*.config) echo $i;;
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esac
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done
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}
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prepareconfigs() {
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for _config in $(listconfigs); do
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local _flavor=${_config%%.*}
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local _arch=${_config%.config}
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_arch=${_arch#*.}
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local _builddir="$srcdir"/build-$_flavor.$_arch
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_prepareconfig "$_flavor" "$_arch"
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done
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}
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# this is supposed to be run before version is bumped so we can compare
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# what new kernel config knobs are introduced
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prepareupdate() {
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clean && fetch && unpack && prepare && deps
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prepareconfigs
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rm -r "$builddir"
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}
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updateconfigs() {
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if ! [ -d "$builddir" ]; then
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deps && fetch && unpack && prepare
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fi
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for _config in ${CONFIGS:-$(listconfigs)}; do
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msg "updating $_config"
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local _flavor=${_config%%.*}
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local _arch=${_config%.config}
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_arch=${_arch#*.}
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local _builddir="$srcdir"/build-$_flavor.$_arch
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mkdir -p "$_builddir"
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echo "-$pkgrel-$_flavor" > "$_builddir"/localversion-alpine
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local actions="listnewconfig oldconfig"
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if ! [ -f "$_builddir"/.config ]; then
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cp "$srcdir"/$_config "$_builddir"/.config
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actions="olddefconfig"
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fi
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env | grep ^CONFIG_ >> "$_builddir"/.config || true
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make -j1 -C "$builddir" \
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O="$_builddir" \
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ARCH="$(_kernelarch $_arch)" \
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$actions savedefconfig
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cp "$_builddir"/defconfig "$startdir"/$_config
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done
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}
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set_kbuild_timestamp() {
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# KBUILD_BUILD_TIMESTAMP needs to be parsable by busybox date
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export KBUILD_BUILD_TIMESTAMP="$(date '+%Y-%m-%d %H:%M:%S' -u${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
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}
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build() {
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unset LDFLAGS
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# for some reason these sometimes leak into the kernel build,
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# -Werror=format-security breaks some stuff
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unset CFLAGS CPPFLAGS CXXFLAGS
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set_kbuild_timestamp
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for i in $_flavors; do
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_prepareconfig "$i" "$CARCH"
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done
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for i in $_flavors; do
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msg "Building $i kernel"
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cd "$srcdir"/build-$i.$CARCH
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# set org in cert for modules signing
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# https://www.kernel.org/doc/html/v6.1/admin-guide/module-signing.html#generating-signing-keys
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mkdir -p certs
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sed -e 's/#O = Unspecified company/O = alpinelinux.org/' \
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"$builddir"/certs/default_x509.genkey \
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> certs/x509.genkey
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make ARCH="$(_kernelarch $CARCH)" \
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CC="${CC:-gcc}" \
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AWK="${AWK:-mawk}" \
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KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
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done
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}
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_package() {
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local _buildflavor="$1" _outdir="$2"
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set_kbuild_timestamp
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cd "$srcdir"/build-$_buildflavor.$CARCH
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local _abi_release="$(make -s kernelrelease)"
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# modules_install seems to regenerate a defect Modules.symvers on s390x. Work
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# around it by backing it up and restore it after modules_install
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cp Module.symvers Module.symvers.backup
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mkdir -p "$_outdir"/boot "$_outdir"/lib/modules
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local _install
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case "$CARCH" in
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arm*|aarch64|riscv*) _install="zinstall dtbs_install";;
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*) _install=install;;
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esac
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make modules_install $_install \
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ARCH="$(_kernelarch $CARCH)" \
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INSTALL_MOD_PATH="$_outdir" \
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INSTALL_MOD_STRIP=1 \
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INSTALL_PATH="$_outdir"/boot \
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INSTALL_DTBS_PATH="$_outdir/boot/dtbs-$_buildflavor"
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cp Module.symvers.backup Module.symvers
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rm -f "$_outdir"/lib/modules/"$_abi_release"/build \
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"$_outdir"/lib/modules/"$_abi_release"/source
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rm -rf "$_outdir"/lib/firmware
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install -D -m644 include/config/kernel.release \
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"$_outdir"/usr/share/kernel/$_buildflavor/kernel.release
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case "$CARCH" in
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loongarch64)
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mv "$_outdir"/boot/vmlinuz-$_abi_release \
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"$_outdir"/boot/vmlinuz-$_buildflavor
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mv "$_outdir"/boot/config-$_abi_release \
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"$_outdir"/boot/config-$_buildflavor
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mv "$_outdir"/boot/System.map-$_abi_release \
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"$_outdir"/boot/System.map-$_buildflavor
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;;
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esac
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}
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# main flavor installs in $pkgdir
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package() {
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depends="$depends linux-firmware-any"
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_package "$_flavor" "$pkgdir"
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# copy files for linux-lts-doc sub package
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mkdir -p "$pkgdir"/usr/share/doc
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cp -r "$builddir"/Documentation \
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"$pkgdir"/usr/share/doc/linux-doc-"$pkgver"/
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# remove files that aren't part of the documentation itself
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for nondoc in \
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.gitignore conf.py docutils.conf \
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dontdiff Kconfig Makefile
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do
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rm "$pkgdir"/usr/share/doc/linux-doc-"$pkgver"/"$nondoc"
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done
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# create /usr/share/doc/linux-doc symlink
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cd "$pkgdir"/usr/share/doc; ln -s linux-doc-"$pkgver" linux-doc
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}
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# subflavors install in $subpkgdir
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virt() {
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_package virt "$subpkgdir"
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}
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_dev() {
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local _flavor=$(echo $subpkgname | sed -E 's/(^linux-|-dev$)//g')
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local _builddir="$srcdir"/build-$_flavor.$CARCH
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local _abi_release="$(make -C "$_builddir" -s kernelrelease)"
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# copy the only the parts that we really need for build 3rd party
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# kernel modules and install those as /usr/src/linux-headers,
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# simlar to what ubuntu does
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#
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# this way you dont need to install the 300-400 kernel sources to
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# build a tiny kernel module
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#
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pkgdesc="Headers and script for third party modules for $_flavor kernel"
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depends="$_depends_dev"
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local dir="$subpkgdir"/usr/src/linux-headers-"$_abi_release"
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set_kbuild_timestamp
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# first we import config, run prepare to set up for building
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# external modules, and create the scripts
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mkdir -p "$dir"
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cp -a "$_builddir"/.config "$_builddir"/localversion-alpine \
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"$dir"/
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install -D -t "$dir"/certs "$_builddir"/certs/signing_key.x509 || :
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make -C "$builddir" \
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O="$dir" \
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ARCH="$(_kernelarch $CARCH)" \
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AWK="${AWK:-mawk}" \
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prepare modules_prepare scripts
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# remove the stuff that points to real sources. we want 3rd party
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# modules to believe this is the sources
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rm "$dir"/Makefile "$dir"/source
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# copy the needed stuff from real sources
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#
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# this is taken from ubuntu kernel build script
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# http://kernel.ubuntu.com/git/ubuntu/ubuntu-zesty.git/tree/debian/rules.d/3-binary-indep.mk
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cd "$builddir"
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find . -path './include/*' -prune \
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-o -path './scripts/*' -prune -o -type f \
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\( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
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-name '*.sh' -o -name '*.pl' -o -name '*.lds' -o -name 'Platform' \) \
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-print | cpio -pdm "$dir"
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cp -a scripts include "$dir"
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find "arch/$_karch" -name include -type d -print | while IFS='' read -r folder; do
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find "$folder" -type f
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done | sort -u | cpio -pdm "$dir"
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install -Dm644 "$srcdir"/build-$_flavor.$CARCH/Module.symvers \
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"$dir"/Module.symvers
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# remove unneeded things
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msg "Removing documentation..."
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rm -r "$dir"/Documentation
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find "$dir" -type f -name '*.o' -printf 'Removing %P\n' -delete
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local _karch="$(_kernelarch $CARCH | sed 's/x86_64/x86/')"
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msg "Removing unneeded arch headers..."
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for i in "$dir"/arch/*; do
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if [ "${i##*/}" != "$_karch" ]; then
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echo " ${i##*/}"
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rm -r "$i"
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fi
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done
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mkdir -p "$subpkgdir"/lib/modules/"$_abi_release"
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ln -sf /usr/src/linux-headers-"$_abi_release" \
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"$subpkgdir"/lib/modules/"$_abi_release"/build
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}
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sha512sums="
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2b6e206c954199789010bbd87e1219495d3d4b4f26e6ca3b138f81ce9cea8817a0a87e949e661d96113854c3a539f4dd70f1db745188b90bda47d1a68a0d488d patch-6.11.9.patch
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aed30b6f1b216b1b9fa829787f18f124d0d7fe76e96c90e594ed70a64e07d23d10b536dfa727a7906c27add717881b110bbed76b7cb0a0dcbc98fe1c8b4d3392 v6.11.9-hardened1.tar.gz
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ff49e4218bb73e8ab6a49b2c7045b1db90d1d777eccdc2a9aafdef64a9537ee18fe3f6233d3e8143a45d25b681981e43354f98e8ea8cb0a23539a4d36f14256a hardened.x86_64.config
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" |