core/linux/PKGBUILD
2018-01-06 01:32:17 +01:00

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# Source global configuration
source ../linux.conf
pkgbase=linux
pkgname=('linux' 'linux-headers' 'linux-docs')
_srcname=linux-${_basekernel}
pkgver=${_kernelver}
pkgrel=1
arch=('x86_64')
url="http://www.kernel.org/"
license=('GPL2')
makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'libelf')
options=('!strip')
source=(http://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.{xz,sign}
http://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.{xz,sign}
# the main kernel config files
config.x86_64
# standard config files for mkinitcpio ramdisk
linux.preset)
sha256sums=('f81d59477e90a130857ce18dc02f4fbe5725854911db1e7ba770c7cd350f96a7'
'SKIP'
'da5d8db44b0988e4c45346899d3f5a51f8bd6c25f14e729615ca9ff9f17bdefd'
'SKIP'
'1a3c7879bda6eadff088c75071ff344ffa682fd240a6cdfd9b14ab654c8a157d'
'f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c')
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
)
prepare() {
cd ${_srcname}
# add upstream patch
msg "adding upstream patch"
patch -p1 -i "${srcdir}/patch-${pkgver}"
chmod +x scripts/checkpatch.pl
chmod +x tools/objtool/sync-check.sh
# security patches
# add latest fixes from stable queue, if needed
# http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git
cat "${srcdir}/config.x86_64" > ./.config
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
# set extraversion to pkgrel
sed -ri "s|^(EXTRAVERSION =).*|\1 -${pkgrel}|" Makefile
# don't run depmod on 'make install'. We'll do this ourselves in packaging
sed -i '2iexit 0' scripts/depmod.sh
# get kernel version
make prepare
# load configuration
# Configure the kernel. Replace the line below with one of your choice.
#make menuconfig # CLI menu for configuration
#make nconfig # new CLI menu for configuration
#make xconfig # X-based configuration
#make oldconfig # using old config from previous kernel version
# ... or manually edit .config
# rewrite configuration
yes "" | make config >/dev/null
# save configuration for later reuse
cat .config > "${startdir}/config.x86_64.last"
}
build() {
cd "$_srcname"
make ${MAKEFLAGS} LOCALVERSION= bzImage modules
}
package_linux() {
pkgdesc="The Linux Kernel and modules"
groups=('base')
depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7')
optdepends=('crda: to set the correct wireless channels of your country')
backup=("etc/mkinitcpio.d/${pkgname}.preset")
install=linux.install
cd ${_srcname}
# get kernel version
_kernver="$(make LOCALVERSION= kernelrelease)"
_basekernel=${_kernver%%-*}
_basekernel=${_basekernel%.*}
mkdir -p "${pkgdir}"/{boot,usr/lib/modules}
make LOCALVERSION= INSTALL_MOD_PATH="${pkgdir}/usr" modules_install
cp arch/x86/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgname}"
# set correct depmod command for install
cp -f "${startdir}/${install}" "${startdir}/${install}.pkg"
true && install=${install}.pkg
sed \
-e "s/KERNEL_NAME=.*/KERNEL_NAME=${_kernelname}/" \
-e "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/" \
-i "${startdir}/${install}"
# install fallback mkinitcpio.conf file and preset file for kernel
install -D -m644 "${srcdir}/linux.preset" "${pkgdir}/etc/mkinitcpio.d/linux${_kernelname}.preset"
sed \
-e "1s|'linux.*'|'${pkgname}'|" \
-e "s|ALL_kver=.*|ALL_kver=\"/boot/vmlinuz-${pkgname}\"|" \
-e "s|default_image=.*|default_image=\"/boot/initramfs-${pkgname}.img\"|" \
-e "s|fallback_image=.*|fallback_image=\"/boot/initramfs-${pkgname}-fallback.img\"|" \
-i "${pkgdir}/etc/mkinitcpio.d/linux${_kernelname}.preset"
# remove build and source links
rm -f "${pkgdir}"/usr/lib/modules/${_kernver}/{source,build}
# gzip -9 all modules to save 100MB of space
find "${pkgdir}" -name '*.ko' -exec gzip -9 {} \;
# make room for external modules
ln -s "../extramodules-${_basekernel}${_kernelname:--CHAKRA}" "${pkgdir}/usr/lib/modules/${_kernver}/extramodules"
# add real version for building modules and running depmod from post_install/upgrade
mkdir -p "${pkgdir}/usr/lib/modules/extramodules-${_basekernel}${_kernelname:--CHAKRA}"
echo "${_kernver}" > "${pkgdir}/usr/lib/modules/extramodules-${_basekernel}${_kernelname:--CHAKRA}/version"
# now we call depmod...
depmod -b "${pkgdir}/usr" -F System.map "${_kernver}"
# add vmlinux
install -Dt "${pkgdir}/usr/lib/modules/${_kernver}/build" -m644 vmlinux
}
package_linux-headers() {
pkgdesc="Header files and scripts for building modules for linux kernel"
cd ${_srcname}
local _builddir="${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/dvb-frontends" -m644 drivers/media/dvb-frontends/lgdt330x.h
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
if [[ ${_arch} != */x86/ ]]; then
rm -r "${_arch}"
fi
done
# remove files already in linux-docs package
rm -r "${_builddir}/Documentation"
# Fix permissions
chmod -R u=rwX,go=rX "${_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_linux-docs() {
pkgdesc="Kernel hackers manual - HTML documentation that comes with the Linux kernel."
cd $_srcname
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build"
cp -al Documentation "${pkgdir}/usr/lib/modules/${_kernver}/build"
find "${pkgdir}" -type f -exec chmod 444 {} \;
find "${pkgdir}" -type d -exec chmod 755 {} \;
}