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# Maintainer: Kyle De'Vir (QuartzDragon) <kyle[dot]devir[at]mykolab[dot]com>
# Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Contributor: Tobias Powalowski <tpowa@archlinux.org>
# Contributor: Thomas Baechler <thomas@archlinux.org>
### BUILD OPTIONS
# Set these variables to ANYTHING that is not null to enable them
# Tweak kernel options prior to a build via nconfig
_makenconfig=
# Optionally select a sub architecture by number if building in a clean chroot
# Leaving this entry blank will require user interaction during the build
# which will cause a failure to build if using makechrootpkg. Note that the
# generic (default) option is 30.
#
# Note - the march=native option is unavailable by this method, use the nconfig
# and manually select it.
#
# 1. AMD Opteron/Athlon64/Hammer/K8 (MK8)
# 2. AMD Opteron/Athlon64/Hammer/K8 with SSE3 (MK8SSE3)
# 3. AMD 61xx/7x50/PhenomX3/X4/II/K10 (MK10)
# 4. AMD Barcelona (MBARCELONA)
# 5. AMD Bobcat (MBOBCAT)
# 6. AMD Jaguar (MJAGUAR)
# 7. AMD Bulldozer (MBULLDOZER)
# 8. AMD Piledriver (MPILEDRIVER)
# 9. AMD Steamroller (MSTEAMROLLER)
# 10. AMD Excavator (MEXCAVATOR)
# 11. AMD Zen (MZEN)
# 12. AMD Zen 2 (MZEN2)
# 13. Intel P4 / older Netburst based Xeon (MPSC)
# 14. Intel Atom (MATOM)
# 15. Intel Core 2 (MCORE2)
# 16. Intel Nehalem (MNEHALEM)
# 17. Intel Westmere (MWESTMERE)
# 18. Intel Silvermont (MSILVERMONT)
# 19. Intel Goldmont (MGOLDMONT)
# 20. Intel Goldmont Plus (MGOLDMONTPLUS)
# 21. Intel Sandy Bridge (MSANDYBRIDGE)
# 22. Intel Ivy Bridge (MIVYBRIDGE)
# 23. Intel Haswell (MHASWELL)
# 24. Intel Broadwell (MBROADWELL)
# 25. Intel Skylake (MSKYLAKE)
# 26. Intel Skylake X (MSKYLAKEX)
# 27. Intel Cannon Lake (MCANNONLAKE)
# 28. Intel Ice Lake (MICELAKE)
# 29. Intel Cascade Lake (MCASCADELAKE)
# 30. Generic-x86-64 (GENERIC_CPU)
# 31. Native optimizations autodetected by GCC (MNATIVE)
_subarch=
# Compile ONLY used modules to VASTLY reduce the number of modules built
# and the build time.
#
# To keep track of which modules are needed for your specific system/hardware,
# give module_db script a try: https://aur.archlinux.org/packages/modprobed-db
# This PKGBUILD read the database kept if it exists
#
# More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db
_localmodcfg=
pkgbase=linux-bcachefs-git
_srcver_tag=5.2.20-arch1
pkgver=5.2.20.arch1.r844550.2df3501f6873
pkgrel=1
arch=(x86_64)
url="https://github.com/koverstreet/bcachefs"
license=(GPL2)
makedepends=(
xmlto
kmod
inetutils
bc
libelf
git
python-sphinx
python-sphinx_rtd_theme
graphviz
imagemagick
)
options=('!strip')
_reponame="bcachefs"
_repo_url="https://github.com/koverstreet/$_reponame"
_reponame_gcc_patch="kernel_gcc_patch"
_repo_url_gcc_patch="https://github.com/graysky2/$_reponame_gcc_patch"
_gcc_patch_name="enable_additional_cpu_optimizations_for_gcc_v9.1+_kernel_v4.13+.patch"
_pkgdesc_extra="~ featuring Kent Overstreet's bcachefs filesystem"
source=(
"git+$_repo_url#branch=master"
"git+$_repo_url_gcc_patch"
config # the main kernel config file
60-linux.hook # pacman hook for depmod
90-linux.hook # pacman hook for initramfs regeneration
linux.preset # standard config files for mkinitcpio ramdisk
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
)
sha512sums=('SKIP'
'SKIP'
'd9519955c66275dbb8a1b056eb799b97387fab4cadb96de3a400cef7ec39f6a3ad0228c6deb24401f4ad65ffb6ed6173b27f453a1edf9c5e2a36c3a46851d4a8'
'7ad5be75ee422dda3b80edd2eb614d8a9181e2c8228cd68b3881e2fb95953bf2dea6cbe7900ce1013c9de89b2802574b7b24869fc5d7a95d3cc3112c4d27063a'
'2718b58dbbb15063bacb2bde6489e5b3c59afac4c0e0435b97fe720d42c711b6bcba926f67a8687878bd51373c9cf3adb1915a11666d79ccb220bf36e0788ab7'
'2dc6b0ba8f7dbf19d2446c5c5f1823587de89f4e28e9595937dd51a87755099656f2acec50e3e2546ea633ad1bfd1c722e0c2b91eef1d609103d8abdc0a7cbaf')
_kernelname=${pkgbase#linux}
: ${_kernelname:=-ARCH}
pkgver() {
cd "$_reponame"
printf "%s.r%s.%s" "${_srcver_tag//-/.}" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
}
prepare() {
cd $_reponame
msg2 "Setting version..."
scripts/setlocalversion --save-scmversion
echo "-$pkgrel" > localversion.10-pkgrel
echo "$_kernelname" > localversion.20-pkgname
msg2 "Adding patches from Linux upstream kernel repository..."
git remote add upstream_stable "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git" || true
# git pull --no-edit -s recursive -X ours upstream_stable v${_srcver_tag//-arch*/}
git pull --no-edit upstream_stable v${_srcver_tag//-arch*/}
# https://github.com/koverstreet/bcachefs/issues/74
git revert --no-edit c785529bebceeaf38db8ebf9b50ff3a173fb18c6
# https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.2.1&id=c785529bebceeaf38db8ebf9b50ff3a173fb18c6
# block: fix .bi_size overflow
msg2 "Adding patches from Arch Linux kernel repository..."
git remote add arch_stable "https://git.archlinux.org/linux.git" || true
# git pull --no-edit arch_stable "v$_srcver_tag"
git fetch arch_stable v5.2.14-arch2
git cherry-pick 7097880bd7857294d2b91084a35d2211cef7dd8b
# https://git.archlinux.org/linux.git/commit/?h=v5.1.16-arch1&id=fd0f4757ded3627edc883650941a26a21e435a7d
# add sysctl to disallow unprivileged CLONE_NEWUSER by default
git cherry-pick de96c660ed1f470fed317e987444634cb6287d57
# https://git.archlinux.org/linux.git/commit/?h=v5.1.16-arch1&id=7e6c7c0d56e1342b9ad5d8071736a5851d1ae1c7
# ZEN: Add CONFIG for unprivileged_userns_clone
msg2 "Fixing EXTRAVERSION..."
sed -i 's/EXTRAVERSION =/EXTRAVERSION = -arch1/g' "$srcdir/$_reponame/Makefile"
# https://github.com/graysky2/kernel_gcc_patch
msg2 "Patching to enabled additional gcc CPU optimizatons..."
patch -Np1 -i "$srcdir/$_reponame_gcc_patch/$_gcc_patch_name"
msg2 "Setting config..."
cp ../config .config
if [ -n "$_subarch" ]; then
yes "$_subarch" | make oldconfig
else
make prepare
fi
### Optionally load needed modules for the make localmodconfig
# See https://aur.archlinux.org/packages/modprobed-db
if [ -n "$_localmodcfg" ]; then
if [ -f $HOME/.config/modprobed.db ]; then
msg2 "Running Steven Rostedt's make localmodconfig now"
make LSMOD=$HOME/.config/modprobed.db localmodconfig
else
msg2 "No modprobed.db data found"
exit
fi
fi
# do not run 'make olddefconfig' as it sets default options
yes "" | make config >/dev/null
make -s kernelrelease > ../version
msg2 "Prepared %s version %s" "$pkgbase" "$(<../version)"
[[ -z "$_makenconfig" ]] || make nconfig
# save configuration for later reuse
cat .config > "$startdir/config.last"
}
build() {
cd $_reponame
make bzImage modules htmldocs
}
_package() {
pkgdesc="The ${pkgbase/linux/Linux} kernel and modules $_pkgdesc_extra"
depends=(
coreutils
kmod
initramfs
bcachefs-tools-git
)
optdepends=(
"crda: to set the correct wireless channels of your country"
"linux-firmware: firmware images needed for some devices"
)
provides=("$pkgbase=$pkgver")
backup=("etc/mkinitcpio.d/$pkgbase.preset")
install=linux.install
local kernver="$(<version)"
local modulesdir="$pkgdir/usr/lib/modules/$kernver"
cd $_reponame
msg2 "Installing boot image..."
# systemd expects to find the kernel here to allow hibernation
# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
install -Dm644 "$modulesdir/vmlinuz" "$pkgdir/boot/vmlinuz-$pkgbase"
# Used by mkinitcpio to name the kernel
echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/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" ../linux.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 ${pkgbase/linux/Linux} kernel $_pkgdesc_extra"
depends=("$pkgbase=$pkgver")
provides=(
"$pkgbase-headers=$pkgver"
"linux-headers=$pkgver"
)
local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
cd $_reponame
msg2 "Installing build files..."
install -Dt "$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"
}
_package-docs() {
pkgdesc="Kernel hackers manual - HTML documentation that comes with the ${pkgbase/linux/Linux} kernel $_pkgdesc_extra"
depends=("$pkgbase=$pkgver")
provides=(
"$pkgbase-docs=$pkgver"
"linux-docs=$pkgver"
)
local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
cd $_reponame
msg2 "Installing documentation..."
mkdir -p "$builddir"
cp -t "$builddir" -a Documentation
msg2 "Removing doctrees..."
rm -r "$builddir/Documentation/output/.doctrees"
msg2 "Moving HTML docs..."
local src dst
while read -rd '' src; do
dst="$builddir/Documentation/${src#$builddir/Documentation/output/}"
mkdir -p "${dst%/*}"
mv "$src" "$dst"
rmdir -p --ignore-fail-on-non-empty "${src%/*}"
done < <(find "$builddir/Documentation/output" -type f -print0)
msg2 "Adding symlink..."
mkdir -p "$pkgdir/usr/share/doc"
ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
msg2 "Fixing permissions..."
chmod -Rc u=rwX,go=rX "$pkgdir"
}
pkgname=(
"$pkgbase"
"$pkgbase-headers"
"$pkgbase-docs"
)
for _p in "${pkgname[@]}"; do
eval "package_$_p() {
$(declare -f "_package${_p#$pkgbase}")
_package${_p#$pkgbase}
}"
done
|