## $Id: PKGBUILD 102753 2010-12-10 22:15:33Z tpowa $
# Maintainer: Tobias Powalowski <tpowa@archlinux.org>
# Maintainer: Thomas Baechler <thomas@archlinux.org>
# Maintainer (Parabola): fauno <fauno@kiwwwi.com.ar>
pkgbase="kernel26-libre"
#pkgname=('kernel26-libre' 'kernel26-libre-headers' 'kernel26-libre-manpages' 'kernel26-libre-docs') # Build stock -ARCH kernel
pkgname=('kernel26-libre' 'kernel26-libre-headers' 'kernel26-libre-docs') # Build stock -ARCH kernel
# pkgname=kernel26-custom       # Build kernel with a different name
_kernelname=${pkgname#kernel26-libre}
_basekernel=2.6.36
pkgver=${_basekernel}.3
pkgrel=2
makedepends=('xmlto' 'docbook-xsl')
_patchname="patch-${pkgver}-${pkgrel}-ARCH"
arch=(i686 x86_64)
license=('GPL2')
url="http://linux-libre.fsfla.org/"
source=(http://ftp.kernel.org/pub/linux/kernel/v2.6/linux-$_basekernel.tar.bz2
        ftp://ftp.archlinux.org/other/kernel26/${_patchname}.bz2
        # the main kernel config files
        config.i686 config.x86_64
        logo_linux_clut224.ppm
        logo_linux_mono.pbm
        logo_linux_vga16.ppm
		http://www.linux-libre.fsfla.org/pub/linux-libre/releases/${pkgver}-libre1/deblob-${_basekernel}
		http://www.linux-libre.fsfla.org/pub/linux-libre/releases/${pkgver}-libre1/deblob-check
		http://www.linux-libre.fsfla.org/pub/linux-libre/releases/${pkgver}-libre1/deblob-main
        # standard config files for mkinitcpio ramdisk
        kernel26.preset)
md5sums=('61f3739a73afb6914cb007f37fb09b62'
         '02c08947ae93786a2ed6d276b09182ab'
         '9ffc3784807cb0c0c86f2a26e6872dbc'
         '01664330dd5c3fba0ff317ba779a8955'
         '071d4939e9ef4256e4c027ef3c864903'
         '2ae9ef17f45b39ff9e6e172c0c97d263'
         '96c2ae40e3b1cdd90fe7e6dba8078922'
         '6f4ad7c73300570046799642daf60492'
         'a68a65f4f45efb17c0253ee61c9bc363'
         '3b67aa4b9ec4bd192301635aa4646d2b'
         '25584700a0a679542929c4bed31433b6')

build() {
  cd ${srcdir}/linux-$_basekernel
  # Add -ARCH patches
  # See http://projects.archlinux.org/linux-2.6-ARCH.git/
  patch -Np1 -i ${srcdir}/${_patchname} || return 1

  msg "Setting Freedo as boot logo..."
  cp --remove-destination $srcdir/logo*.p{p,b}m ./drivers/video/logo/

  cat $srcdir/config.$CARCH > ./.config # simpler

  msg "Deblobing..."
  chmod +x ${srcdir}/deblob-* || return 1
  PYTHON=false ${srcdir}/deblob-${_basekernel} || return 1

  for this_doesnt_build in CONFIG_RTL8192SU CONFIG_E100 CONFIG_WLAGS49_H2 CONFIG_WLAGS49_H25; do
      sed -i "s|^${this_doesnt_build}=.*|# ${this_doesnt_build} is not set|g" ./.config
  done

  # Disable obnoxious kernel release names
  sed -i "s|EXTRAVERSION =.*|EXTRAVERSION =|g" ./Makefile
  sed -i "s|CONFIG_LOCALVERSION_AUTO=.*|# CONFIG_LOCALVERSION_AUTO is not set|g" ./.config

  if [ "${_kernelname}" != "" ]; then
    sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_kernelname}\"|g" ./.config
  fi

  msg "Saving deblobbed version..."
  tar -czf ${startdir}/linux-${_basekernel}-deblobbed.tar.gz .

  # 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 || return 1
}

package_kernel26-libre() {
  pkgdesc="The Linux-libre Kernel and modules"
  groups=('base')
  backup=(etc/mkinitcpio.d/kernel26${_kernelname}.preset)
  depends=('coreutils' 'module-init-tools' 'mkinitcpio>=0.5.20')
  # pwc, ieee80211 and hostap-driver26 modules are included in kernel26 now
  # nforce package support was abandoned by nvidia, kernel modules should cover everything now.
  # kernel24 support is dropped since glibc24
  replaces=('kernel24' 'kernel24-scsi' 'kernel26-scsi'
            'alsa-driver' 'ieee80211' 'hostap-driver26'
            'pwc' 'nforce' 'squashfs' 'unionfs' 'ivtv'
            'zd1211' 'kvm-modules' 'iwlwifi' 'rt2x00-cvs'
            'gspcav1' 'atl2' 'wlan-ng26' 'rt2500' 'nouveau-drm' 'kernel26')
  provides=("kernel26=$pkgver")
  conflicts=('kernel26')
  install=kernel26.install
  optdepends=('crda: to set the correct wireless channels of your country')

  KARCH=x86
  cd ${srcdir}/linux-$_basekernel
  # get kernel version
  _kernver="$(make kernelrelease)"
  mkdir -p ${pkgdir}/{lib/modules,lib/firmware,boot}
  make INSTALL_MOD_PATH=${pkgdir} modules_install || return 1
  cp System.map ${pkgdir}/boot/System.map26${_kernelname}
  cp arch/$KARCH/boot/bzImage ${pkgdir}/boot/vmlinuz26${_kernelname}
  #  # add vmlinux
  install -m644 -D vmlinux ${pkgdir}/usr/src/linux-${_kernver}/vmlinux

  # install fallback mkinitcpio.conf file and preset file for kernel
  install -m644 -D ${srcdir}/kernel26.preset ${pkgdir}/etc/mkinitcpio.d/kernel26${_kernelname}.preset || return 1
  # set correct depmod command for install
  sed \
    -e  "s/KERNEL_NAME=.*/KERNEL_NAME=${_kernelname}/g" \
    -e  "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/g" \
    -i $startdir/kernel26.install
  sed \
    -e "s|source .*|source /etc/mkinitcpio.d/kernel26${_kernelname}.kver|g" \
    -e "s|default_image=.*|default_image=\"/boot/kernel26${_kernelname}.img\"|g" \
    -e "s|fallback_image=.*|fallback_image=\"/boot/kernel26${_kernelname}-fallback.img\"|g" \
    -i ${pkgdir}/etc/mkinitcpio.d/kernel26${_kernelname}.preset

  echo -e "# DO NOT EDIT THIS FILE\nALL_kver='${_kernver}'" > ${pkgdir}/etc/mkinitcpio.d/kernel26${_kernelname}.kver
  # remove build and source links
  rm -f ${pkgdir}/lib/modules/${_kernver}/{source,build}
  # remove the firmware
  rm -rf ${pkgdir}/lib/firmware
 
# this should trick external modules to find -ARCH while uname remains -LIBRE
  msg "Linking -LIBRE local version to -ARCH..."
  ln -s /lib/modules/${_kernver} ${pkgdir}/lib/modules/${_kernver%-LIBRE}-ARCH
}

package_kernel26-libre-headers() {
  pkgdesc="Header files and scripts for building modules for kernel26-libre"
  provides=("kernel26-headers=$pkgver")
  replaces=('kernel26-headers')
  conflicts=('kernel26-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 generated linux math-emu media net pcmcia scsi sound trace video; 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, like nvidia and vmware
  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 usbvideo; 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/
  # add dvb headers for external modules
  # in reference to:
  # 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
  # add headers vor virtualbox
  # in reference to:
  # http://bugs.archlinux.org/task/14568
  cp -a include/drm $pkgdir/usr/src/linux-${_kernver}/include/
  # add headers for broadcom wl
  # in reference to:
  # http://bugs.archlinux.org/task/14568
  cp -a include/trace $pkgdir/usr/src/linux-${_kernver}/include/
  # 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 {} \;
  # 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}

# this should trick external modules to find -ARCH while uname remains -LIBRE
  msg "Linking -LIBRE local version to -ARCH..."
  ln -s /usr/src/${_kernver} ${pkgdir}/usr/src/${_kernver%-LIBRE}-ARCH
}

#package_kernel26-libre-manpages() {
#pkgdesc="Kernel hackers manual - Section 9 manpages that comes with the Linux kernel."
#provides=("kernel26-manpages=$pkgver")
#replaces=('kernel26-manpages')
#conflicts=('kernel26-manpages')
#
#cd ${srcdir}/linux-$_basekernel
#make mandocs || return 1
#
#install -d ${pkgdir}/usr/share/man/man9/
#install ${srcdir}/linux-${_basekernel}/Documentation/DocBook/man/*.9.gz \
#${pkgdir}/usr/share/man/man9/
#
#find ${pkgdir} -type f -exec chmod 644 {} \;
#}

package_kernel26-libre-docs() {
pkgdesc="Kernel hackers manual - HTML documentation that comes with the Linux kernel."
provides=("kernel26-docs=$pkgver")
replaces=('kernel26-docs')
conflicts=('kernel26-docs')

cd ${srcdir}/linux-$_basekernel
mkdir -p $pkgdir/usr/src/linux-$_kernver
mv Documentation $pkgdir/usr/src/linux-$_kernver
find $pkgdir -type f -exec chmod 444 {} \;
find $pkgdir -type d -exec chmod 755 {} \;
# remove a file already in kernel26 package
rm -f $pkgdir/usr/src/linux-$_kernver/Documentation/DocBook/Makefile
}