arch-linux-kernel/PKGBUILD

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# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Maintainer: Tobias Powalowski <tpowa@archlinux.org>
# Maintainer: Thomas Baechler <thomas@archlinux.org>
pkgbase=linux # Build stock -ARCH kernel
#pkgbase=linux-custom # Build kernel with a different name
_srcver=4.18.15-arch1
pkgver=${_srcver//-/.}
pkgrel=1
arch=(x86_64)
url="https://git.archlinux.org/linux.git/log/?h=v$_srcver"
license=(GPL2)
makedepends=(xmlto kmod inetutils bc libelf git python-sphinx graphviz)
options=('!strip')
_srcname=archlinux-linux
source=(
"$_srcname::git+https://git.archlinux.org/linux.git?signed#tag=v$_srcver"
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
'8218F88849AAC522E94CF470A5E9288C4FA415FA' # Jan Alexander Steffens (heftig)
)
sha256sums=('SKIP'
'321af63cf7dc8e79531ddd8634eddba19e40a18335e7ce61eedd0ad72fef89a5'
'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21'
'75f99f5239e03238f88d1a834c50043ec32b1dc568f2cc291b07d04718483919'
'ad6344badc91ad0630caacde83f7f9b97276f80d26a20619a87952be65492c65')
_kernelname=${pkgbase#linux}
: ${_kernelname:=-ARCH}
prepare() {
cd $_srcname
msg2 "Setting version..."
scripts/setlocalversion --save-scmversion
echo "-$pkgrel" > localversion.10-pkgrel
echo "$_kernelname" > localversion.20-pkgname
local src
for src in "${source[@]}"; do
src="${src%%::*}"
src="${src##*/}"
[[ $src = *.patch ]] || continue
msg2 "Applying patch $src..."
patch -Np1 < "../$src"
done
msg2 "Setting config..."
cp ../config .config
make olddefconfig
make -s kernelrelease > ../version
msg2 "Prepared %s version %s" "$pkgbase" "$(<../version)"
}
build() {
cd $_srcname
make bzImage modules htmldocs
}
_package() {
pkgdesc="The ${pkgbase/linux/Linux} kernel and modules"
[[ $pkgbase = linux ]] && groups=(base)
depends=(coreutils linux-firmware kmod mkinitcpio)
optdepends=('crda: to set the correct wireless channels of your country')
backup=("etc/mkinitcpio.d/$pkgbase.preset")
install=linux.install
local kernver="$(<version)"
cd $_srcname
msg2 "Installing boot image..."
install -Dm644 "$(make -s image_name)" "$pkgdir/boot/vmlinuz-$pkgbase"
msg2 "Installing modules..."
local modulesdir="$pkgdir/usr/lib/modules/$kernver"
mkdir -p "$modulesdir"
make INSTALL_MOD_PATH="$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 ${pkgbase/linux/Linux} kernel"
local builddir="$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"
}
_package-docs() {
pkgdesc="Kernel hackers manual - HTML documentation that comes with the ${pkgbase/linux/Linux} kernel"
local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
cd $_srcname
msg2 "Installing documentation..."
mkdir -p "$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
# vim:set ts=8 sts=2 sw=2 et: