linux-rt/PKGBUILD

   1 # Maintainer: Ray Rashif <schiv@archlinux.org>
   2 # Contributor: timbosa <tinny_tim@dodo.com.au>
   3 # Contributor: Tobias Powalowski <tpowa@archlinux.org>
   4 # Contributor: Thomas Baechler <thomas@archlinux.org>
   5
   6 pkgname=linux-rt
   7 _kernelname=${pkgname#linux}
   8 _basekernel=3.0
   9 _rtpatch=rt31
  10 pkgver=${_basekernel}.14_$_rtpatch
  11 _pkgver=${_basekernel}.14
  12 pkgrel=1
  13 arch=('i686' 'x86_64')
  14 url="http://rt.wiki.kernel.org/"
  15 license=('GPL2')
  16 pkgdesc="The Linux Kernel and modules (with realtime preemption)"
  17 options=(!strip)
  18 backup=(etc/mkinitcpio.d/${pkgname}.preset)
  19 depends=('coreutils' 'linux-firmware' 'module-init-tools>=3.16' 'mkinitcpio>=0.7')
  20 optdepends=('crda: to set the correct wireless channels of your country')
  21 provides=('kernel26rt')
  22 conflicts=('kernel26rt')
  23 replaces=('kernel26rt')
  24 install=${pkgname}.install
  25 source=("http://www.kernel.org/pub/linux/kernel/v3.x/linux-${_basekernel}.tar.xz"
  26         "http://www.kernel.org/pub/linux/kernel/v3.x/patch-${_pkgver}.xz"
  27         "http://www.kernel.org/pub/linux/kernel/projects/rt/3.0/patch-${_pkgver}-${_rtpatch}.patch.xz"
  28         # the main kernel config files
  29         'config' 'config.x86_64'
  30         # standard config files for mkinitcpio ramdisk
  31         "${pkgname}.preset"
  32         'fix-i915.patch'
  33         'change-default-console-loglevel.patch')
  34 md5sums=('ecf932280e2441bdd992423ef3d55f8f'
  35          '2161fb86bef3d33c1ddede73797e2f2c'
  36          'b16ffd9de4968cb29b60b3036c251e23'
  37          '8bed8efe88e4fa1781d1f307f35f9b26'
  38          'a542f23e4f270967b3e8a871e69d0a61'
  39          'eb14dcfd80c00852ef81ded6e826826a'
  40          '263725f20c0b9eb9c353040792d644e5'
  41          '9d3c56a4b999c8bfbd4018089a62f662')
  42
  43 build() {
  44   cd "${srcdir}/linux-${_basekernel}"
  45
  46   patch -p1 -i "${srcdir}/patch-${_pkgver}"
  47
  48   # add realtime patch
  49   patch -p1 -i "${srcdir}/patch-${_pkgver}-$_rtpatch.patch"
  50
  51   # enable building proprietary nvidia driver against full rt preemption
  52   # WARNING: GPL-INCOMPATIBLE
  53   #sed -i \
  54   #       's/EXPORT_SYMBOL_GPL(migrate_enable);/EXPORT_SYMBOL(migrate_enable);/' \
  55   #       kernel/sched.c
  56   #
  57   #sed -i \
  58   #       's/EXPORT_SYMBOL_GPL(migrate_disable);/EXPORT_SYMBOL(migrate_disable);/' \
  59   #       kernel/sched.c
  60   #
  61   #sed -i \
  62   #       's/EXPORT_SYMBOL_GPL(__rt_mutex_init);/EXPORT_SYMBOL(__rt_mutex_init);/' \
  63   #       kernel/rtmutex.c
  64
  65   # add latest fixes from stable queue, if needed
  66   # http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git
  67
  68   # fix #19234 i1915 display size
  69   patch -Np1 -i "${srcdir}/fix-i915.patch"
  70
  71   # set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param)
  72   # remove this when a Kconfig knob is made available by upstream
  73   # (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
  74   patch -Np1 -i "${srcdir}/change-default-console-loglevel.patch"
  75
  76   if [ "${CARCH}" = "x86_64" ]; then
  77     cat "${srcdir}/config.x86_64" > ./.config
  78   else
  79     cat "${srcdir}/config" > ./.config
  80   fi
  81
  82   if [ "${_kernelname}" != "" ]; then
  83     sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_kernelname}\"|g" ./.config
  84   fi
  85
  86   # remove the sublevel from Makefile
  87   # this ensures our kernel version is always 3.X-ARCH
  88   # this way, minor kernel updates will not break external modules
  89   # we need to change this soon, see FS#16702
  90   sed -ri 's|^(SUBLEVEL =).*|\1|' Makefile
  91
  92   # get kernel version
  93   rm localversion-rt
  94   make prepare
  95
  96   # load configuration
  97   # Configure the kernel. Replace the line below with one of your choice.
  98   #make menuconfig # CLI menu for configuration
  99   #make nconfig # new CLI menu for configuration
 100   #make xconfig # X-based configuration
 101   #make oldconfig # using old config from previous kernel version
 102   # ... or manually edit .config
 103
 104   ####################
 105   # stop here
 106   # this is useful to configure the kernel
 107   #msg "Stopping build"
 108   #return 1
 109   ####################
 110
 111   yes "" | make config
 112
 113   # build!
 114   make ${MAKEFLAGS} bzImage modules
 115 }
 116
 117 package() {
 118   cd "${srcdir}/linux-${_basekernel}"
 119
 120   KARCH=x86
 121
 122   # get kernel version
 123   _kernver="$(make kernelrelease)"
 124
 125   mkdir -p "${pkgdir}"/{lib/modules,lib/firmware,boot}
 126   make INSTALL_MOD_PATH="${pkgdir}" modules_install
 127   cp arch/$KARCH/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgname}"
 128
 129   # add vmlinux
 130   install -D -m644 vmlinux "${pkgdir}/usr/src/linux-${_kernver}/vmlinux"
 131
 132   # install fallback mkinitcpio.conf file and preset file for kernel
 133   install -D -m644 "${srcdir}/${pkgname}.preset" "${pkgdir}/etc/mkinitcpio.d/${pkgname}.preset"
 134
 135   # set correct depmod command for install
 136   sed \
 137     -e  "s/KERNEL_NAME=.*/KERNEL_NAME=${_kernelname}/g" \
 138     -e  "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/g" \
 139     -i "${startdir}/${pkgname}.install"
 140   sed \
 141         -e "s|ALL_kver=.*|ALL_kver=\"/boot/vmlinuz-${pkgname}\"|g" \
 142     -e "s|default_image=.*|default_image=\"/boot/initramfs-${pkgname}.img\"|g" \
 143     -e "s|fallback_image=.*|fallback_image=\"/boot/initramfs-${pkgname}-fallback.img\"|g" \
 144     -i "${pkgdir}/etc/mkinitcpio.d/${pkgname}.preset"
 145
 146   # remove build and source links
 147   rm -f "${pkgdir}"/lib/modules/${_kernver}/{source,build}
 148   # remove the firmware
 149   rm -rf "${pkgdir}/lib/firmware"
 150   # gzip -9 all modules to safe 100MB of space
 151   find "${pkgdir}" -name '*.ko' -exec gzip -9 {} \;
 152
 153   ## -- headers --##
 154   mkdir -p "${pkgdir}/lib/modules/${_kernver}"
 155
 156   cd "${pkgdir}/lib/modules/${_kernver}"
 157   ln -sf ../../../usr/src/linux-${_kernver} build
 158
 159   cd "${srcdir}/linux-${_basekernel}"
 160   install -D -m644 Makefile \
 161     "${pkgdir}/usr/src/linux-${_kernver}/Makefile"
 162   install -D -m644 kernel/Makefile \
 163     "${pkgdir}/usr/src/linux-${_kernver}/kernel/Makefile"
 164   install -D -m644 .config \
 165     "${pkgdir}/usr/src/linux-${_kernver}/.config"
 166
 167   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/include"
 168
 169   for i in acpi asm-generic config crypto drm generated linux math-emu \
 170     media net pcmcia scsi sound trace video xen; do
 171     cp -a include/${i} "${pkgdir}/usr/src/linux-${_kernver}/include/"
 172   done
 173
 174   # copy arch includes for external modules
 175   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/arch/x86"
 176   cp -a arch/x86/include "${pkgdir}/usr/src/linux-${_kernver}/arch/x86/"
 177
 178   # copy files necessary for later builds, like nvidia and vmware
 179   cp Module.symvers "${pkgdir}/usr/src/linux-${_kernver}"
 180   cp -a scripts "${pkgdir}/usr/src/linux-${_kernver}"
 181
 182   # fix permissions on scripts dir
 183   chmod og-w -R "${pkgdir}/usr/src/linux-${_kernver}/scripts"
 184   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/.tmp_versions"
 185
 186   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/kernel"
 187
 188   cp arch/${KARCH}/Makefile "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/"
 189
 190   if [ "${CARCH}" = "i686" ]; then
 191     cp arch/${KARCH}/Makefile_32.cpu "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/"
 192   fi
 193
 194   cp arch/${KARCH}/kernel/asm-offsets.s "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/kernel/"
 195
 196   # add headers for lirc package
 197   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video"
 198
 199   cp drivers/media/video/*.h  "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/"
 200
 201   for i in bt8xx cpia2 cx25840 cx88 em28xx et61x251 pwc saa7134 sn9c102; do
 202     mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/${i}"
 203     cp -a drivers/media/video/${i}/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/${i}"
 204   done
 205
 206   # add docbook makefile
 207   install -D -m644 Documentation/DocBook/Makefile \
 208     "${pkgdir}/usr/src/linux-${_kernver}/Documentation/DocBook/Makefile"
 209
 210   # add dm headers
 211   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/md"
 212   cp drivers/md/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/md"
 213
 214   # add inotify.h
 215   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/include/linux"
 216   cp include/linux/inotify.h "${pkgdir}/usr/src/linux-${_kernver}/include/linux/"
 217
 218   # add wireless headers
 219   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/"
 220   cp net/mac80211/*.h "${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/"
 221
 222   # add dvb headers for external modules
 223   # in reference to:
 224   # http://bugs.archlinux.org/task/9912
 225   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core"
 226   cp drivers/media/dvb/dvb-core/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core/"
 227   # and...
 228   # http://bugs.archlinux.org/task/11194
 229   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/"
 230   cp include/config/dvb/*.h "${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/"
 231
 232   # add dvb headers for http://mcentral.de/hg/~mrec/em28xx-new
 233   # in reference to:
 234   # http://bugs.archlinux.org/task/13146
 235   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
 236   cp drivers/media/dvb/frontends/lgdt330x.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
 237   cp drivers/media/video/msp3400-driver.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
 238
 239   # add dvb headers
 240   # in reference to:
 241   # http://bugs.archlinux.org/task/20402
 242   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb"
 243   cp drivers/media/dvb/dvb-usb/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb/"
 244   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends"
 245   cp drivers/media/dvb/frontends/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
 246   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners"
 247   cp drivers/media/common/tuners/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners/"
 248
 249   # add xfs and shmem for aufs building
 250   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/fs/xfs"
 251   mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/mm"
 252   cp fs/xfs/xfs_sb.h "${pkgdir}/usr/src/linux-${_kernver}/fs/xfs/xfs_sb.h"
 253
 254   # copy in Kconfig files
 255   for i in `find . -name "Kconfig*"`; do
 256     mkdir -p "${pkgdir}"/usr/src/linux-${_kernver}/`echo ${i} | sed 's|/Kconfig.*||'`
 257     cp ${i} "${pkgdir}/usr/src/linux-${_kernver}/${i}"
 258   done
 259
 260   chown -R root.root "${pkgdir}/usr/src/linux-${_kernver}"
 261   find "${pkgdir}/usr/src/linux-${_kernver}" -type d -exec chmod 755 {} \;
 262
 263   # strip scripts directory
 264   find "${pkgdir}/usr/src/linux-${_kernver}/scripts" -type f -perm -u+w 2>/dev/null | while read binary ; do
 265     case "$(file -bi "${binary}")" in
 266       *application/x-sharedlib*) # Libraries (.so)
 267         /usr/bin/strip ${STRIP_SHARED} "${binary}";;
 268       *application/x-archive*) # Libraries (.a)
 269         /usr/bin/strip ${STRIP_STATIC} "${binary}";;
 270       *application/x-executable*) # Binaries
 271         /usr/bin/strip ${STRIP_BINARIES} "${binary}";;
 272     esac
 273   done
 274
 275   # remove unneeded architectures
 276   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}
 277
 278   ## -- docs --##
 279   rm -r "${pkgdir}/usr/src/linux-${_kernver}/Documentation"
 280   mv Documentation "${pkgdir}/usr/src/linux-${_kernver}"
 281   find "${pkgdir}" -type f -exec chmod 444 {} \;
 282   find "${pkgdir}" -type d -exec chmod 755 {} \;
 283
 284   # remove a file already in linux package
 285   rm -f "${pkgdir}/usr/src/linux-${_kernver}/Documentation/DocBook/Makefile"
 286 }
 287
 288 # vim:set ts=2 sw=2 et: