diff options
Diffstat (limited to 'PKGBUILD')
| -rw-r--r-- | PKGBUILD | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/PKGBUILD b/PKGBUILD new file mode 100644 index 000000000000..9412288da7fb --- /dev/null +++ b/PKGBUILD @@ -0,0 +1,268 @@ +# Maintainer: MischievousTomato <mischievoustomato at gmail dot com> +# Contributor: Joan Figueras <ffigue at gmail dot com> +# Contributor: Torge Matthies <openglfreak at googlemail dot com> +# Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com> +# Contributor: Yoshi2889 <rick.2889 at gmail dot com> +# Contributor: Tobias Powalowski <tpowa@archlinux.org> +# Contributor: Thomas Baechler <thomas@archlinux.org> + +## Set 98 (Intel native) or 99 (AMD native) +if [ -z ${_microarchitecture+x} ]; then + _microarchitecture=98 +fi + +## Disable NUMA since most users do not have multiple processors. Breaks CUDA/NvEnc. +## Archlinux and Xanmod enable it by default. +## Set variable "use_numa" to: n to disable (possibly increase performance) +## y to enable (stock default) +if [ -z ${use_numa+x} ]; then + use_numa=y +fi + +## For performance you can disable FUNCTION_TRACER/GRAPH_TRACER. Limits debugging and analyzing of the kernel. +## Stock Archlinux and Xanmod have this enabled. +## Set variable "use_tracers" to: n to disable (possibly increase performance) +## y to enable (stock default) +if [ -z ${use_tracers+x} ]; then + use_tracers=y +fi + +## Choose between GCC and CLANG config (default is GCC) +if [ -z ${_compiler+x} ]; then + _compiler=gcc +fi + +# Compress modules with ZSTD (to save disk space) +if [ -z ${_compress_modules+x} ]; then + _compress_modules=y +fi + +pkgbase=linux-cpu-optimized +_major=5.14 +_minor=11 +pkgver=${_major}.${_minor} +_branch=5.x +pkgrel=1 +pkgdesc='Linux kernel, with native CPU optimizations.' +_srctag=v${pkgver%.*}-${pkgver##*.} +url="https://github.com/archlinux/linux/commits/$_srctag" +arch=(x86_64) +license=(GPL2) +makedepends=( + bc kmod libelf pahole cpio perl tar xz + xmlto python-sphinx python-sphinx_rtd_theme graphviz imagemagick + git +) +options=('!strip') +_srcname="linux-${pkgver}-cpu-optimized${pkgrel}" +source=( + "https://cdn.kernel.org/pub/linux/kernel/v${_branch}/linux-${_major}.${_minor}.tar."{xz,sign} + config # the main kernel config file + "https://raw.githubusercontent.com/graysky2/kernel_compiler_patch/master/more-uarches-for-kernel-5.8-5.14.patch" + choose-gcc-optimization.sh +) +validpgpkeys=( + 'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds + '647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman + 'A2FF3A36AAA56654109064AB19802F8B0D70FC30' # Jan Alexander Steffens (heftig) + 'C7E7849466FE2358343588377258734B41C31549' # David Runge <dvzrv@archlinux.org> +) + +# Archlinux patches +#_commit="ec9e9a4219fe221dec93fa16fddbe44a34933d8d" +#_patches=() +#for _patch in ${_patches[@]}; do + #source+=("${_patch}::https://git.archlinux.org/svntogit/packages.git/plain/trunk/${_patch}?h=packages/linux&id=${_commit}") + #source+=("${_patch}::https://raw.gigthubusercontent.com/archlinux/svntogit-packages/${_commit}/trunk/${_patch}") +#done + +sha256sums=('93830a24df5342fb8fb857b7ca58d637f99d84b0ac54610fbf49743e3e8d5731' + 'SKIP' + 'cada4ca234a96e1f78da61ad29310bf076523d157ad55aadfc93465d3865c9e3' + '2f99d9e37f372925e054115bfead4723a328ffbdb7bf958753aab2ac48dc5673' + '1ac18cad2578df4a70f9346f7c6fccbb62f042a0ee0594817fdef9f2704904ee') + +export KBUILD_BUILD_HOST=archlinux +export KBUILD_BUILD_USER=$pkgbase +export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})" + +prepare() { + cd linux-${_major}.${_minor} + + echo "Setting version..." + scripts/setlocalversion --save-scmversion + echo "-$pkgrel" > localversion.10-pkgrel + echo "${pkgbase#linux}" > localversion.20-pkgname + + # Patching + local src + for src in "${source[@]}"; do + src="${src%%::*}" + src="${src##*/}" + [[ $src = *.patch ]] || continue + echo "Applying patch $src..." + patch -Np1 < "../$src" + done + + echo "Setting config..." + cp ../config .config + make olddefconfig + diff -u ../config .config || : + + # CONFIG_STACK_VALIDATION gives better stack traces. Also is enabled in all official kernel packages by Archlinux team + scripts/config --enable CONFIG_STACK_VALIDATION + + # Enable IKCONFIG following Arch's philosophy + scripts/config --enable CONFIG_IKCONFIG \ + --enable CONFIG_IKCONFIG_PROC + + # User set. See at the top of this file + if [ "$use_tracers" = "n" ]; then + msg2 "Disabling FUNCTION_TRACER/GRAPH_TRACER only if we are not compiling with clang..." + if [ "${_compiler}" = "gcc" ]; then + scripts/config --disable CONFIG_FUNCTION_TRACER \ + --disable CONFIG_STACK_TRACER + fi + fi + + if [ "$use_numa" = "n" ]; then + msg2 "Disabling NUMA..." + scripts/config --disable CONFIG_NUMA + fi + + # Compress modules by default (following Arch's kernel) + if [ "$_compress_modules" = "y" ]; then + scripts/config --enable CONFIG_MODULE_COMPRESS_ZSTD + fi + + # Let's user choose microarchitecture optimization in GCC + sh ${srcdir}/choose-gcc-optimization.sh $_microarchitecture + + make -s kernelrelease > version + echo "Prepared $pkgbase version $(<version)" +} + +build() { + cd linux-${_major}.${_minor} + make all + +} + +_package() { + pkgdesc="The $pkgdesc kernel and modules" + depends=(coreutils kmod initramfs) + optdepends=('crda: to set the correct wireless channels of your country' + 'linux-firmware: firmware images needed for some devices') + provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE) + replaces=(virtualbox-guest-modules-arch wireguard-arch) + + cd linux-${_major}.${_minor} + local kernver="$(<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="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install + + # remove build and source links + rm "$modulesdir"/{source,build} +} + +_package-headers() { + pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel" + depends=(pahole) + + cd linux-${_major}.${_minor} + local builddir="$pkgdir/usr/lib/modules/$(<version)/build" + + echo "Installing build files..." + install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \ + localversion.* version vmlinux + install -Dt "$builddir/kernel" -m644 kernel/Makefile + install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile + cp -t "$builddir" -a scripts + + # add objtool for external module building and enabled VALIDATION_STACK option + install -Dt "$builddir/tools/objtool" tools/objtool/objtool + + # add xfs and shmem for aufs building + mkdir -p "$builddir"/{fs/xfs,mm} + + echo "Installing headers..." + cp -t "$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: |