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Diffstat (limited to 'PKGBUILD')
| -rw-r--r-- | PKGBUILD | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/PKGBUILD b/PKGBUILD new file mode 100644 index 000000000000..47469cb3d5db --- /dev/null +++ b/PKGBUILD @@ -0,0 +1,292 @@ +# Maintainer: 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> + +## +## The following variables can be customized at build time. Use env or export to change at your wish +## +## Example: env _microarchitecture=25 use_numa=n use_tracers=n use_pds=n makepkg -sc +## +## Look inside 'choose-gcc-optimization.sh' to choose your microarchitecture +## Valid numbers between: 0 to 25 +## Default is: 0 => generic +## Good option if your package is for one machine: 25 => native +if [ -z ${_microarchitecture+x} ]; then + _microarchitecture=0 +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 +## +## Enable PDS CPU scheduler by default https://gitlab.com/alfredchen/linux-pds +## Set variable "use_pds" to: n to disable (stock Xanmod) +## y to enable +if [ -z ${use_pds+x} ]; then + use_pds=n +fi + +pkgbase=linux-xanmod-rt +_srcname=linux +pkgver=4.19.79 +xanmod=28 +pkgrel=1 +arch=(x86_64) +url="http://www.xanmod.org/" +license=(GPL2) +makedepends=( + xmlto kmod inetutils bc libelf git python-sphinx python-sphinx_rtd_theme + graphviz imagemagick cpio +) +options=('!strip') +_srcname="linux-${pkgver}-rt${xanmod}-xanmod" + +source=(https://github.com/xanmod/linux/archive/${pkgver}-rt${xanmod}-xanmod.tar.gz + 60-linux.hook # pacman hook for depmod + 90-linux.hook # pacman hook for initramfs regeneration + ${pkgbase}.preset # standard config files for mkinitcpio ramdisk + choose-gcc-optimization.sh + 0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch # Grabbed from linux-ck package +) + +sha256sums=('26347912717a1e2eb470b1aa6a5d128b17422787fe5a0f0b07eed5dcb7ed2b29' + 'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21' + 'c043f3033bb781e2688794a59f6d1f7ed49ef9b13eb77ff9a425df33a244a636' + 'ad6344badc91ad0630caacde83f7f9b97276f80d26a20619a87952be65492c65' + '8b2629f6340d4807c113cd9fa308f50f0a8d85df5698bef083e151f06d58f748' + '112b16c247dae8ff44066fd0268012f9c623d5da349ebd66896e54257b3404a5') + +_kernelname=${pkgbase#linux} + +prepare() { + cd $_srcname + + # Workaround GCC 9 build, source: https://www.linuxquestions.org/questions/slackware-14/make-linux-4-19-42-error-4175653720/ + export LANG=en_US.UTF-8 + + msg2 "Setting version..." + scripts/setlocalversion --save-scmversion + echo "-$pkgrel" > localversion.10-pkgrel + echo "$_kernelname" > localversion.20-pkgname + + # Archlinux patches + local src + for src in "${source[@]}"; do + src="${src%%::*}" + src="${src##*/}" + [[ $src = *.patch ]] || continue + msg2 "Applying patch $src..." + patch -Np1 < "../$src" + done + + # 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 [ "$use_tracers" = "n" ]; then + msg2 "Disabling FUNCTION_TRACER/GRAPH_TRACER..." + scripts/config --disable CONFIG_FUNCTION_TRACER \ + --disable CONFIG_STACK_TRACER + fi + + if [ "$use_numa" = "n" ]; then + msg2 "Disabling NUMA..." + scripts/config --disable CONFIG_NUMA + fi + + if [ "$use_pds" = "y" ]; then + msg2 "Enabling PDS CPU scheduler by default..." + scripts/config --enable CONFIG_SCHED_PDS + fi + + # Let's user choose microarchitecture optimization in GCC + ${srcdir}/choose-gcc-optimization.sh $_microarchitecture + + # This is intended for the people that want to build this package with their own config + # Put the file "myconfig" at the package folder to use this feature + if [ -f "${startdir}/myconfig" ]; then + msg2 "Using user CUSTOM config..." + cp -f "${startdir}"/myconfig .config + fi + + make olddefconfig + + make -s kernelrelease > ../version + msg2 "Prepared %s version %s" "$pkgbase" "$(<../version)" +} + +build() { + cd $_srcname + make bzImage modules +} + +_package() { + pkgdesc="The Linux kernel and modules with Xanmod patches" + depends=(coreutils linux-firmware kmod mkinitcpio) + optdepends=('crda: to set the correct wireless channels of your country') + provides=('linux' 'linux-xanmod') + #replaces=('linux-xanmod-git') + #conflicts=('linux-xanmod-git') + backup=("etc/mkinitcpio.d/$pkgbase.preset") + install=linux.install + + local kernver="$(<version)" + local modulesdir="$pkgdir/usr/lib/modules/$kernver" + + cd $_srcname + + msg2 "Installing boot image..." + # systemd expects to find the kernel here to allow hibernation + # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344 + install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz" + install -Dm644 "$modulesdir/vmlinuz" "$pkgdir/boot/vmlinuz-$pkgbase" + + msg2 "Installing modules..." + make INSTALL_MOD_PATH="$pkgdir/usr" modules_install + + # a place for external modules, + # with version file for building modules and running depmod from hook + local extramodules="extramodules$_kernelname" + local extradir="$pkgdir/usr/lib/modules/$extramodules" + install -Dt "$extradir" -m644 ../version + ln -sr "$extradir" "$modulesdir/extramodules" + + # remove build and source links + rm "$modulesdir"/{source,build} + + msg2 "Installing hooks..." + # sed expression for following substitutions + local subst=" + s|%PKGBASE%|$pkgbase|g + s|%KERNVER%|$kernver|g + s|%EXTRAMODULES%|$extramodules|g + " + + # hack to allow specifying an initially nonexisting install file + sed "$subst" "$startdir/$install" > "$startdir/$install.pkg" + true && install=$install.pkg + + # fill in mkinitcpio preset and pacman hooks + sed "$subst" ../$pkgbase.preset | install -Dm644 /dev/stdin \ + "$pkgdir/etc/mkinitcpio.d/$pkgbase.preset" + sed "$subst" ../60-linux.hook | install -Dm644 /dev/stdin \ + "$pkgdir/usr/share/libalpm/hooks/60-$pkgbase.hook" + sed "$subst" ../90-linux.hook | install -Dm644 /dev/stdin \ + "$pkgdir/usr/share/libalpm/hooks/90-$pkgbase.hook" + + msg2 "Fixing permissions..." + chmod -Rc u=rwX,go=rX "$pkgdir" +} + +_package-headers() { + pkgdesc="Header files and scripts for building modules for Xanmod Linux kernel" + provides=('linux-headers' 'linux-xanmod-headers') + #replaces=('linux-xanmod-git-headers') + #conflicts=('linux-xanmod-git-headers') + + local builddir="$pkgdir/usr/lib/modules/$(<version)/build" + + cd $_srcname + + msg2 "Installing build files..." + install -Dt "$builddir" -m644 Makefile .config Module.symvers System.map 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 "$builddir"/{fs/xfs,mm} + + # ??? + mkdir "$builddir/.tmp_versions" + + msg2 "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 "$builddir/net/mac80211" -m644 net/mac80211/*.h + + # http://bugs.archlinux.org/task/13146 + install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h + + # http://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 "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h + + msg2 "Installing KConfig files..." + find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \; + + msg2 "Removing unneeded architectures..." + local arch + for arch in "$builddir"/arch/*/; do + [[ $arch = */x86/ ]] && continue + echo "Removing $(basename "$arch")" + rm -r "$arch" + done + + msg2 "Removing documentation..." + rm -r "$builddir/Documentation" + + msg2 "Removing broken symlinks..." + find -L "$builddir" -type l -printf 'Removing %P\n' -delete + + msg2 "Removing loose objects..." + find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete + + msg2 "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 "$builddir" -type f -perm -u+x ! -name vmlinux -print0) + + msg2 "Adding symlink..." + mkdir -p "$pkgdir/usr/src" + ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase-$pkgver" + + msg2 "Fixing permissions..." + chmod -Rc u=rwX,go=rX "$pkgdir" +} + +pkgname=("${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: |