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# Maintainer: Piotr Gorski <lucjan.lucjanov@gmail.com> PGP-Key: BDB26C5A
# Contributor: shivik <> PGP-Key: 761E423C
# Contributor: Michael Duell <mail@akurei.me> PGP-Key: 6EE23EBE
# A special thanks to Steven Barrett for very important sugestions
###########################################################################################################
# Patch and Build Options
###########################################################################################################
_custom="no" # "m": custom config via menuconfig
# "n": custom config via nconfig
# "x": custom config via xconfig
# "no": nothing
_config="pkg" # "local": compile only probed modules(https://aur.archlinux.org/packages/modprobed-db/)
# "nomod": don't use modules(make localyesconfig)
# "old": make with old config (/proc/config.gz)
# "pkg": use this package's config
_akcs="" # Append Kernel Custom String.Not working on some systems.
# Use if you wnat to append a custom string to kernel version.
# No risc if you have a backup kernel in case of boot failure.
_use_MUQSS="yes" # "yes": Use MUQSS cpu scheduler.
# "no": Use CFS cpu scheduler.
_use_KSM="no" # "yes": Enable Kernel SamePage Merging (KSM).
# "no": Don't use Kernel SamePage Merging (KSM).
###########################################################################################################
pkgdesc='A desktop oriented kernel and modules with Liquorix patches'
__basekernel=4.15
_minor=16
pkgver=${__basekernel}.${_minor}
pkgrel=1
lqxrel=1
pkgbase=linux-lqx
# pkgname=('linux-lqx' 'linux-lqx-headers' 'linux-lqx-docs')
_lqxpatchname="${pkgver}-${lqxrel}.patch"
arch=('x86_64')
license=('GPL2')
url="http://liquorix.net/"
if [ "$_custom" = "x" ]; then
makedepends=('qt5-base' 'kmod' 'inetutils' 'bc' 'libelf')
else
makedepends=('kmod' 'inetutils' 'bc' 'libelf')
fi
options=(!strip)
install='linux.install'
source=("https://www.kernel.org/pub/linux/kernel/v4.x/linux-${__basekernel}.tar.xz"
"https://www.kernel.org/pub/linux/kernel/v4.x/linux-${__basekernel}.tar.sign"
"https://liquorix.net/sources/${_lqxpatchname}.gz"
"https://liquorix.net/sources/${__basekernel}/config.amd64"
# pacman hook for depmod
'60-linux.hook'
# pacman hook for initramfs regeneration
'90-linux.hook'
# pacman hook for remove initramfs
'99-linux.hook'
# standard config files for mkinitcpio ramdisk
'linux.preset')
sha512sums=('c00d92659df815a53dcac7dde145b742b1f20867d380c07cb09ddb3295d6ff10f8931b21ef0b09d7156923a3957b39d74d87c883300173b2e20690d2b4ec35ea'
'SKIP'
'cb0add8c12e25ea738a2c68b8ed45ac0184981d329d318e6d7cdfe85447c58d25db8f63b6d06c41699a5597fa580425ecdc73394e606b2f0a5b435772db06373'
'2aa8c86962a13df5e513132aee3c21dd3daeb5d10c94e1af44f261f3a2b3ba3ba201aea418fc253ecfc77aab9d54835a7b5b9fe051ce0795dfbc9adf344c3734'
'7ad5be75ee422dda3b80edd2eb614d8a9181e2c8228cd68b3881e2fb95953bf2dea6cbe7900ce1013c9de89b2802574b7b24869fc5d7a95d3cc3112c4d27063a'
'4a8b324aee4cccf3a512ad04ce1a272d14e5b05c8de90feb82075f55ea3845948d817e1b0c6f298f5816834ddd3e5ce0a0e2619866289f3c1ab8fd2f35f04f44'
'6346b66f54652256571ef65da8e46db49a95ac5978ecd57a507c6b2a28aee70bb3ff87045ac493f54257c9965da1046a28b72cb5abb0087204d257f14b91fd74'
'2dc6b0ba8f7dbf19d2446c5c5f1823587de89f4e28e9595937dd51a87755099656f2acec50e3e2546ea633ad1bfd1c722e0c2b91eef1d609103d8abdc0a7cbaf')
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
)
_kernelname=${pkgbase#linux}
: ${_kernelname:=-ARCH}
prepare() {
KARCH=x86
cd ${srcdir}/linux-${__basekernel}
# Add Liquorix patches
patch -Np1 -i ../$_lqxpatchname
# Trying oldcfg if possible and if selected
if [ "$_config" = "old" ]; then
if [ -e /proc/config.gz ]; then
zcat /proc/config.gz > ./.config
else
echo "WARNING: There's no /proc/config.gz... You cannot use the old config. Aborting..."
exit 1
fi
else
cat ../config.amd64 >./.config
fi
if [ "${_kernelname}" != "" ]; then
sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_kernelname}\"|g" ./.config
sed -i "s|CONFIG_LOCALVERSION_AUTO=.*|CONFIG_LOCALVERSION_AUTO=n|" ./.config
fi
#Disable MUQSS cpu scheduler in config
if [ "${_use_MUQSS}" = "no" ]; then
sed -i -e 's/CONFIG_SCHED_MUQSS=y/# CONFIG_SCHED_MUQSS is not set/' ./.config
fi
#Enable KSM (Kernel SamePage Merging)
if [ "${_use_KSM}" = "yes" ]; then
sed -i -e 's/# CONFIG_KSM is not set/CONFIG_KSM=y/' ./.config
sed -i '/CONFIG_KSM=y/a \CONFIG_UKSM=y/n' ./.config
sed -i '/CONFIG_UKSM=y/a \# CONFIG_KSM_LEGACY is not set' ./.config
fi
# set extraversion to pkgrel and empty localversion
sed -e "/^EXTRAVERSION =/s/=.*/= -${pkgrel}/" \
-e "/^EXTRAVERSION =/aLOCALVERSION =" \
-i Makefile
# don't run depmod on 'make install'. We'll do this ourselves in packaging
sed -i '2iexit 0' scripts/depmod.sh
# set sublevel to kernel minor version
sed -ri "s|^(SUBLEVEL =).*|\1 ${_minor}|" Makefile
msg "Running make prepare"
make prepare
### Optionally load needed modules for the make localmodconfig
# See https://aur.archlinux.org/packages/modprobed-db/
if [ $_config = "local" ]; then
msg "If you have modprobe-db installed, running it in recall mode now"
if [ -e /usr/bin/modprobed-db ]; then
[[ ! -x /usr/bin/sudo ]] && echo "Cannot call modprobe with sudo. Install via pacman -S sudo and configure to work with this user." && exit 1
sudo /usr/bin/modprobed-db recall
fi
msg "Running Steven Rostedt's make localmodconfig now"
make localmodconfig
else
yes "" | make config
fi
if [ $_config = "nomod" ]; then
msg "Running localYESconfig now"
make localyesconfig
else
yes "" | make config
fi
if [ $_custom = "m" ]; then
msg "Running make menuconfig"
make menuconfig
fi
if [ $_custom = "n" ]; then
msg "Running make nconfig"
make nconfig
fi
if [ $_custom = "x" ]; then
msg "Running make xconfig"
make xconfig
fi
}
build() {
cd ${srcdir}/linux-${__basekernel}
make bzImage modules
}
_package() {
pkgdesc="A desktop oriented kernel and modules with Liquorix patches"
depends=('coreutils' 'linux-firmware' 'mkinitcpio>=0.8')
optdepends=('crda: to set the correct wireless channels of your country' 'nvidia-lqx: nVidia drivers for linux-lqx' 'linux-firmware: Firmware files for Linux')
backup=("etc/mkinitcpio.d/${pkgbase}.preset")
install=linux.install
cd "${srcdir}/linux-${__basekernel}"
# get kernel version
_kernver="$(make kernelrelease)"
_basekernel=${_kernver%%-*}
_basekernel=${_basekernel%.*}
mkdir -p "${pkgdir}"/{boot,usr/lib/modules}
make INSTALL_MOD_PATH="${pkgdir}/usr" modules_install
cp arch/x86/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}"
# make room for external modules
local _extramodules="extramodules-${_basekernel}${_kernelname}"
ln -s "../${_extramodules}" "${pkgdir}/usr/lib/modules/${_kernver}/extramodules"
# add real version for building modules and running depmod from hook
echo "${_kernver}" |
install -Dm644 /dev/stdin "${pkgdir}/usr/lib/modules/${_extramodules}/version"
# remove build and source links
rm "${pkgdir}"/usr/lib/modules/${_kernver}/{source,build}
# now we call depmod...
depmod -b "${pkgdir}/usr" -F System.map "${_kernver}"
# add vmlinux
install -Dt "${pkgdir}/usr/lib/modules/${_kernver}/build" -m644 vmlinux
# 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=${install}.pkg
# install mkinitcpio preset file
sed "${_subst}" ../linux.preset |
install -Dm644 /dev/stdin "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
# install pacman hooks
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"
sed "${_subst}" ../99-linux.hook |
install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/99-${pkgbase}.hook"
}
_package-headers() {
pkgdesc="Header files and scripts to build modules for linux-lqx."
depends=('linux-lqx')
cd "${srcdir}/linux-${__basekernel}"
local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build"
install -Dt "${_builddir}" -m644 Makefile .config Module.symvers
install -Dt "${_builddir}/kernel" -m644 kernel/Makefile
mkdir "${_builddir}/.tmp_versions"
cp -t "${_builddir}" -a include scripts
install -Dt "${_builddir}/arch/x86" -m644 arch/x86/Makefile
install -Dt "${_builddir}/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
cp -t "${_builddir}/arch/x86" -a arch/x86/include
install -Dt "${_builddir}/drivers/md" -m644 drivers/md/*.h
install -Dt "${_builddir}/net/mac80211" -m644 net/mac80211/*.h
# http://bugs.archlinux.org/task/9912
install -Dt "${_builddir}/drivers/media/dvb-core" -m644 drivers/media/dvb-core/*.h
# http://bugs.archlinux.org/task/13146
install -Dt "${_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 "${_builddir}/drivers/media/tuners" -m644 drivers/media/tuners/*.h
# add xfs and shmem for aufs building
mkdir -p "${_builddir}"/{fs/xfs,mm}
# copy in Kconfig files
find . -name Kconfig\* -exec install -Dm644 {} "${_builddir}/{}" \;
# add objtool for external module building and enabled VALIDATION_STACK option
install -Dt "${_builddir}/tools/objtool" tools/objtool/objtool
# remove unneeded architectures
local _arch
for _arch in "${_builddir}"/arch/*/; do
[[ ${_arch} == */x86/ ]] && continue
rm -r "${_arch}"
done
# remove files already in linux-docs package
rm -r "${_builddir}/Documentation"
# remove now broken symlinks
find -L "${_builddir}" -type l -printf 'Removing %P\n' -delete
# Fix permissions
chmod -R u=rwX,go=rX "${_builddir}"
# strip scripts directory
local _binary _strip
while read -rd '' _binary; do
case "$(file -bi "${_binary}")" in
*application/x-sharedlib*) _strip="${STRIP_SHARED}" ;; # Libraries (.so)
*application/x-archive*) _strip="${STRIP_STATIC}" ;; # Libraries (.a)
*application/x-executable*) _strip="${STRIP_BINARIES}" ;; # Binaries
*) continue ;;
esac
/usr/bin/strip ${_strip} "${_binary}"
done < <(find "${_builddir}/scripts" -type f -perm -u+w -print0 2>/dev/null)
}
_package-docs() {
pkgdesc="Kernel hackers manual - HTML documentation that comes with the linux-lqx kernel"
depends=('linux-lqx' )
cd "${srcdir}/linux-${__basekernel}"
local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build"
mkdir -p "${_builddir}"
cp -t "${_builddir}" -a Documentation
# Fix permissions
chmod -R u=rwX,go=rX "${_builddir}"
}
pkgname=("${pkgbase}" "${pkgbase}-headers" "${pkgbase}-docs")
for _p in ${pkgname[@]}; do
eval "package_${_p}() {
$(declare -f "_package${_p#${pkgbase}}")
_package${_p#${pkgbase}}
}"
done
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