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# Maintainer: Joakim Hernberg <jbh@alchemy.lu>
# Contributor: Ray Rashif <schiv@archlinux.org>
# Contributor: timbosa <tinny_tim@dodo.com.au>
# Contributor: Tobias Powalowski <tpowa@archlinux.org>
# Contributor: Thomas Baechler <thomas@archlinux.org>
# Maintainer (Parabola): Nicolás Reynolds <fauno@kiwwwi.com.ar>
# Maintainer (Parabola): Jorge Lopez <jorginho@adinet.com.uy>
# Maintainer (Parabola): André Silva <andre.paulista@adinet.com.uy>
# Contributor (Parabola): Márcio Silva <coadde@adinet.com.uy>
pkgbase=linux-libre-rt
pkgname=('linux-libre-rt' 'linux-libre-rt-headers') # Build stock -LIBRE kernel with RT support
# pkgname=linux-custom # Build kernel with a different name
_kernelname=-LIBRE-RT
_basekernel=3.2
_releasever=15
_rtpatchver=rt26
_pkgver=${_basekernel}.${_releasever}
pkgver=${_basekernel}.${_releasever}_${_rtpatchver}
pkgrel=1
arch=('i686' 'x86_64')
url="http://linux-libre.fsfla.org/"
license=('GPL2')
makedepends=('xmlto' 'docbook-xsl')
options=('!strip')
source=("http://linux-libre.fsfla.org/pub/linux-libre/releases/${_basekernel}-gnu/linux-libre-${_basekernel}-gnu.tar.xz"
"http://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgver}-gnu/patch-${_basekernel}-gnu-${_pkgver}-gnu.xz"
"http://www.kernel.org/pub/linux/kernel/projects/rt/3.2/patch-${_pkgver}-${_rtpatchver}.patch.xz"
# the main kernel config files
'config.i686' 'config.x86_64'
# standard config files for mkinitcpio ramdisk
"${pkgname}.preset"
'boot-logo.patch'
'change-default-console-loglevel.patch'
'i915-fix-ghost-tv-output.patch'
'ext4-options.patch')
md5sums=('65c669b6e4888db84a80882461851867'
'7dcae363be46096d15d3bb9456991048'
'0aa7c5d90e4e01e7775a1a030c24ca56'
'6141ab0cb60a5cf9e6ee3bdf8c8c79b1'
'c2f3423d7c7d8e5776e961b75a52a3fc'
'0d001b0277f318bc40a263aaa980d44e'
'04b21c79df0a952c22d681dd4f4562df'
'9d3c56a4b999c8bfbd4018089a62f662'
'263725f20c0b9eb9c353040792d644e5'
'c8299cf750a84e12d60b372c8ca7e1e8')
build() {
cd "${srcdir}/linux-${_basekernel}"
if [ "${_basekernel}" != "${pkgver}" ]; then
patch -Np1 -i "${srcdir}/patch-${_basekernel}-gnu-${_pkgver}-gnu"
fi
# add realtime patch
patch -Np1 -i "${srcdir}/patch-${_pkgver}-${_rtpatchver}.patch"
# Add freedo as boot logo
patch -Np1 -i "${srcdir}/boot-logo.patch"
# Some chips detect a ghost TV output
# mailing list discussion: http://lists.freedesktop.org/archives/intel-gfx/2011-April/010371.html
# Arch Linux bug report: FS#19234
#
# It is unclear why this patch wasn't merged upstream, it was accepted,
# then dropped because the reasoning was unclear. However, it is clearly
# needed.
patch -Np1 -i "${srcdir}/i915-fix-ghost-tv-output.patch"
# set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param)
# remove this when a Kconfig knob is made available by upstream
# (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
patch -Np1 -i "${srcdir}/change-default-console-loglevel.patch"
# fix ext4 module to mount ext3/2 correct
# https://bugs.archlinux.org/task/28653
patch -Np1 -i "${srcdir}/ext4-options.patch"
cat "${srcdir}/config.${CARCH}" > ./.config # simpler
if [ "${_kernelname}" != "" ]; then
sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_kernelname}\"|g" ./.config
fi
# set extraversion to pkgrel
sed -ri "s|^(EXTRAVERSION =).*|\1 -${pkgrel}|" Makefile
# 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
####################
# stop here
# this is useful to configure the kernel
#msg "Stopping build"
#return 1
####################
yes "" | make config
# build!
make ${MAKEFLAGS} bzImage modules
}
package_linux-libre-rt() {
pkgdesc="The Linux-libre Kernel and modules (with realtime preemption)"
depends=('coreutils' 'module-init-tools>=3.16' 'mkinitcpio>=0.7')
optdepends=('crda: to set the correct wireless channels of your country')
provides=('kernel26-rt' "linux-rt=$_pkgver")
conflicts=('kernel26-rt' 'kernel26-libre-rt' 'linux-rt')
replaces=('kernel26-rt' 'kernel26-libre-rt' 'linux-rt')
backup=("etc/mkinitcpio.d/${pkgname}.preset")
install=${pkgname}.install
cd "${srcdir}/linux-${_basekernel}"
KARCH=x86
# get kernel version
_kernver="$(make kernelrelease)"
mkdir -p "${pkgdir}"/{lib/modules,lib/firmware,boot}
make INSTALL_MOD_PATH="${pkgdir}" modules_install
cp arch/$KARCH/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgname}"
# add vmlinux
install -D -m644 vmlinux "${pkgdir}/usr/src/linux-${_kernver}/vmlinux"
# install fallback mkinitcpio.conf file and preset file for kernel
install -D -m644 "${srcdir}/${pkgname}.preset" "${pkgdir}/etc/mkinitcpio.d/${pkgname}.preset"
# set correct depmod command for install
sed \
-e "s|ALL_kver=.*|ALL_kver=\"/boot/vmlinuz-${pkgname}\"|g" \
-e "s|default_image=.*|default_image=\"/boot/initramfs-${pkgname}.img\"|g" \
-e "s|fallback_image=.*|fallback_image=\"/boot/initramfs-${pkgname}-fallback.img\"|g" \
-i "${pkgdir}/etc/mkinitcpio.d/${pkgname}.preset"
# remove build and source links
rm -f "${pkgdir}"/lib/modules/${_kernver}/{source,build}
# remove the firmware
rm -rf "${pkgdir}/lib/firmware"
# 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}${_kernelname:--LIBRE}" "${pkgdir}/lib/modules/${_kernver}/extramodules"
# add real version for building modules and running depmod from post_install/upgrade
mkdir -p "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:--LIBRE}"
echo "${_kernver}" > "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:--LIBRE}/version"
}
package_linux-libre-rt-headers() {
pkgdesc="Header files and scripts for building modules for linux-libre kernel (with realtime preemption)"
provides=('kernel26-rt-headers' "linux-rt-headers=${_pkgver}")
conflicts=('kernel26-rt-headers' 'kernel26-libre-rt-headers' 'linux-rt-headers')
replaces=('kernel26-rt-headers' 'kernel26-libre-rt-headers' 'linux-rt-headers')
mkdir -p "${pkgdir}/lib/modules/${_kernver}"
cd "${pkgdir}/lib/modules/${_kernver}"
ln -sf ../../../usr/src/linux-${_kernver} build
cd "${srcdir}/linux-${_basekernel}"
install -D -m644 Makefile \
"${pkgdir}/usr/src/linux-${_kernver}/Makefile"
install -D -m644 kernel/Makefile \
"${pkgdir}/usr/src/linux-${_kernver}/kernel/Makefile"
install -D -m644 .config \
"${pkgdir}/usr/src/linux-${_kernver}/.config"
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/include"
for i in acpi asm-generic config crypto drm generated linux math-emu \
media net pcmcia scsi sound trace video xen; do
cp -a include/${i} "${pkgdir}/usr/src/linux-${_kernver}/include/"
done
# copy arch includes for external modules
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/arch/x86"
cp -a arch/x86/include "${pkgdir}/usr/src/linux-${_kernver}/arch/x86/"
# copy files necessary for later builds
cp Module.symvers "${pkgdir}/usr/src/linux-${_kernver}"
cp -a scripts "${pkgdir}/usr/src/linux-${_kernver}"
# fix permissions on scripts dir
chmod og-w -R "${pkgdir}/usr/src/linux-${_kernver}/scripts"
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/.tmp_versions"
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/kernel"
cp arch/${KARCH}/Makefile "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/"
if [ "${CARCH}" = "i686" ]; then
cp arch/${KARCH}/Makefile_32.cpu "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/"
fi
cp arch/${KARCH}/kernel/asm-offsets.s "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/kernel/"
# add headers for lirc package
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video"
cp drivers/media/video/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/"
for i in bt8xx cpia2 cx25840 cx88 em28xx et61x251 pwc saa7134 sn9c102; do
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/${i}"
cp -a drivers/media/video/${i}/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/${i}"
done
# add docbook makefile
install -D -m644 Documentation/DocBook/Makefile \
"${pkgdir}/usr/src/linux-${_kernver}/Documentation/DocBook/Makefile"
# add dm headers
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/md"
cp drivers/md/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/md"
# add inotify.h
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/include/linux"
cp include/linux/inotify.h "${pkgdir}/usr/src/linux-${_kernver}/include/linux/"
# add wireless headers
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/"
cp net/mac80211/*.h "${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/"
# add dvb headers for external modules
# in reference to:
# http://bugs.archlinux.org/task/9912
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core"
cp drivers/media/dvb/dvb-core/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core/"
# and...
# http://bugs.archlinux.org/task/11194
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/"
cp include/config/dvb/*.h "${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/"
# add dvb headers for http://mcentral.de/hg/~mrec/em28xx-new
# in reference to:
# http://bugs.archlinux.org/task/13146
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
cp drivers/media/dvb/frontends/lgdt330x.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
cp drivers/media/video/msp3400-driver.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
# add dvb headers
# in reference to:
# http://bugs.archlinux.org/task/20402
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb"
cp drivers/media/dvb/dvb-usb/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb/"
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends"
cp drivers/media/dvb/frontends/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners"
cp drivers/media/common/tuners/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners/"
# add xfs and shmem for aufs building
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/fs/xfs"
mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/mm"
cp fs/xfs/xfs_sb.h "${pkgdir}/usr/src/linux-${_kernver}/fs/xfs/xfs_sb.h"
# copy in Kconfig files
for i in `find . -name "Kconfig*"`; do
mkdir -p "${pkgdir}"/usr/src/linux-${_kernver}/`echo ${i} | sed 's|/Kconfig.*||'`
cp ${i} "${pkgdir}/usr/src/linux-${_kernver}/${i}"
done
chown -R root.root "${pkgdir}/usr/src/linux-${_kernver}"
find "${pkgdir}/usr/src/linux-${_kernver}" -type d -exec chmod 755 {} \;
# strip scripts directory
find "${pkgdir}/usr/src/linux-${_kernver}/scripts" -type f -perm -u+w 2>/dev/null | while read binary ; do
case "$(file -bi "${binary}")" in
*application/x-sharedlib*) # Libraries (.so)
/usr/bin/strip ${STRIP_SHARED} "${binary}";;
*application/x-archive*) # Libraries (.a)
/usr/bin/strip ${STRIP_STATIC} "${binary}";;
*application/x-executable*) # Binaries
/usr/bin/strip ${STRIP_BINARIES} "${binary}";;
esac
done
# remove unneeded architectures
rm -rf "${pkgdir}"/usr/src/linux-${_kernver}/arch/{alpha,arm,arm26,avr32,blackfin,cris,frv,h8300,ia64,m32r,m68k,m68knommu,mips,microblaze,mn10300,parisc,powerpc,ppc,s390,sh,sh64,sparc,sparc64,um,v850,xtensa}
}
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