# Maintainer: Jens Pranaitis <jens@jenux.homelinux.org>
# Based on the work of godane <slaxemulator@gmail.com>
pkgname=kernel26slax
_basekernel=2.6.26
pkgver=2.6.26.3
pkgrel=1
_patchname="patch-${pkgver}-${pkgrel}-ARCH"
pkgdesc="Linux kernel based on slax config. Used in arch-live."
arch=(i686)
license=('GPL2')
groups=('base')
url="http://www.kernel.org"
backup=(etc/mkinitcpio.d/${pkgname}.preset)
depends=('coreutils' 'module-init-tools' 'mkinitcpio>=0.5.18')
# pwc, ieee80211 and hostap-driver26 modules are included in kernel26 now
# nforce package support was abandoned by nvidia, kernel modules should cover everything now.
# kernel24 support is dropped since glibc24
replaces=('kernel24' 'kernel24-scsi' 'kernel26-scsi'
          'alsa-driver' 'ieee80211' 'hostap-driver26'
          'pwc' 'nforce' 'squashfs' 'ivtv'
	  'zd1211' 'kvm-modules' 'iwlwifi' 'rt2x00-cvs' 'kernel26')
provides=('kernel26')
install=$pkgname.install
source=(ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-$_basekernel.tar.bz2
	http://kernel.org/pub/linux/kernel/v2.6/patch-$pkgver.bz2
	#makefile-fix.patch
        #ftp://ftp.archlinux.org/other/kernel26/${_patchname}.bz2
        # the main kernel config files
        config #config.x86_64
        # standard config files for mkinitcpio ramdisk
        $pkgname.preset
	#sqaushfs 3.3 for 2.6.25
	squashfs3.3-patch
	squashfs-2.6.25.patch
	#add sqlzma option
	sqlzma3.3-optional.patch
	# adding patches to support aufs
	aufs-patches.patch
	http://patches.aircrack-ng.org/mac80211_2.6.26_frag.patch
	http://patches.aircrack-ng.org/ath5k-frequency-chaos_2.6.26.2.patch
	http://patches.aircrack-ng.org/ieee80211_inject-2.6.22.patch
	http://patches.aircrack-ng.org/zd1211rw_inject_2.6.26.patch
)
md5sums=('5169d01c405bc3f866c59338e217968c'
         '556282beb8feabee2972e1971984f6dd'
         '017184a4809c8b300490777f12c54047'
         '25584700a0a679542929c4bed31433b6'
         '9a2bcd0298dc4f43372c7f0808458521'
         '8667abdfb0c25a663c03cb3197671932'
         '5b98928e0a507884cce468d0399196de'
         'e1cc3c48b5f52bb19b2b011bd488e065'
         '573f7d9f66ac010e03841fa5413a9e6a'
         'adf116e0e44159b90e049079ee538a81'
         '2c3adc6510c5bd47f0a04ace4aa2ea1d'
         'a162a23b5db02738309e54b6ca9fcbc9'
	 )
build() {
  KARCH=x86

  cd $startdir/src/linux-$_basekernel
  # added squashfs+lzma patch
  patch -Np1 -i $startdir/src/squashfs3.3-patch || return 1
  patch -Np2 -i $startdir/src/squashfs-2.6.25.patch || return 1
  patch -Np1 -i $startdir/src/sqlzma3.3-optional.patch || return 1
  patch -Np1 -i $startdir/src/aufs-patches.patch || return 1
  # add injection support
  patch -Np1 -i $startdir/src/mac80211_2.6.26_frag.patch || return 1
  patch -Np1 -i $startdir/src/ath5k-frequency-chaos_2.6.26.2.patch || return 1
  patch -Np1 -i $startdir/src/ieee80211_inject-2.6.22.patch || return 1
  patch -Np0 -i $srcdir/zd1211rw_inject_2.6.26.patch || return 1
  cp ../config ./.config
  # build the full kernel version to use in pathnames
  . ./.config
  ### next line is only needed for rc kernels
  _kernver="2.6.26${CONFIG_LOCALVERSION}"
  #_kernver="${_basekernel}${CONFIG_LOCALVERSION}"
  # load configuration
  yes "" | make config
  make bzImage modules || return 1
  mkdir -p $startdir/pkg/{lib/modules,boot}
  make INSTALL_MOD_PATH=$startdir/pkg modules_install || return 1
  cp System.map $startdir/pkg/boot/System.map26
  cp arch/$KARCH/boot/bzImage $startdir/pkg/boot/vmlinuz26
  install -D -m644 Makefile \
    $startdir/pkg/usr/src/linux-${_kernver}/Makefile
  install -D -m644 kernel/Makefile \
    $startdir/pkg/usr/src/linux-${_kernver}/kernel/Makefile
  install -D -m644 .config \
    $startdir/pkg/usr/src/linux-${_kernver}/.config
  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/include

  for i in acpi asm-{generic,x86} config linux math-emu media net pcmcia scsi sound video; do
    cp -a include/$i $startdir/pkg/usr/src/linux-${_kernver}/include/
  done

  # copy files necessary for later builds, like nvidia and vmware
  cp Module.symvers $startdir/pkg/usr/src/linux-${_kernver}
  cp -a scripts $startdir/pkg/usr/src/linux-${_kernver}
  # fix permissions on scripts dir
  chmod og-w -R $startdir/pkg/usr/src/linux-${_kernver}/scripts
  #mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/.tmp_versions

  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/arch/$KARCH/kernel

  cp arch/$KARCH/Makefile $startdir/pkg/usr/src/linux-${_kernver}/arch/$KARCH/
  if [ "$CARCH" = "i686" ]; then
    cp arch/$KARCH/Makefile_32.cpu $startdir/pkg/usr/src/linux-${_kernver}/arch/$KARCH/
  fi
  cp arch/$KARCH/kernel/asm-offsets.s $startdir/pkg/usr/src/linux-${_kernver}/arch/$KARCH/kernel/

  # add headers for lirc package
  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/drivers/media/video
  cp drivers/media/video/*.h  $startdir/pkg/usr/src/linux-${_kernver}/drivers/media/video/
  for i in bt8xx cpia2 cx25840 cx88 em28xx et61x251 pwc saa7134 sn9c102 usbvideo zc0301; do
   mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/drivers/media/video/$i
   cp -a drivers/media/video/$i/*.h $startdir/pkg/usr/src/linux-${_kernver}/drivers/media/video/$i
  done
  # add dm headers
  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/drivers/md
  cp drivers/md/*.h  $startdir/pkg/usr/src/linux-${_kernver}/drivers/md
  # add inotify.h
  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/include/linux
  cp include/linux/inotify.h $startdir/pkg/usr/src/linux-${_kernver}/include/linux/
  # add CLUSTERIP file for iptables
  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/net/ipv4/netfilter/
  # add wireless headers
  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/net/mac80211/
  cp net/mac80211/*.h $startdir/pkg/usr/src/linux-${_kernver}/net/mac80211/
  # add dvb headers for external modules
  # in reference to:
  # http://bugs.archlinux.org/task/9912
  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core
  cp drivers/media/dvb/dvb-core/*.h $startdir/pkg/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core/
  # add xfs and shmem for aufs building
  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/fs/xfs
  mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/mm
  cp fs/xfs/xfs_sb.h $startdir/pkg/usr/src/linux-${_kernver}/fs/xfs/xfs_sb.h
  # add vmlinux
  cp vmlinux $startdir/pkg/usr/src/linux-${_kernver}
  # copy in Kconfig files
  for i in `find . -name "Kconfig*"`; do 
    mkdir -p $startdir/pkg/usr/src/linux-${_kernver}/`echo $i | sed 's|/Kconfig.*||'`
    cp $i $startdir/pkg/usr/src/linux-${_kernver}/$i
  done

  cd $startdir/pkg/usr/src/linux-${_kernver}/include && ln -s asm-$KARCH asm

  chown -R root.root $startdir/pkg/usr/src/linux-${_kernver}
  find $startdir/pkg/usr/src/linux-${_kernver} -type d -exec chmod 755 {} \;
  cd $startdir/pkg/lib/modules/${_kernver} && \
    (rm -f source build; ln -sf ../../../usr/src/linux-${_kernver} build)
  # install fallback mkinitcpio.conf file and preset file for kernel
  install -m644 -D $startdir/src/${pkgname}.preset $startdir/pkg/etc/mkinitcpio.d/${pkgname}.preset || return 1
  # set correct depmod command for install
  sed -i -e "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/g" $startdir/$pkgname.install
  echo -e "# DO NOT EDIT THIS FILE\nALL_kver='${_kernver}'" > ${startdir}/pkg/etc/mkinitcpio.d/${pkgname}.kver
  # remove unneeded architectures
  rm -rf $startdir/pkg/usr/src/linux-${_kernver}/arch/{alpha,arm,arm26,avr32,blackfin,cris,frv,h8300,ia64,m32r,m68k,m68knommu,mips,parisc,powerpc,ppc,s390,sh,sh64,sparc,sparc64,um,v850,xtensa}
}