config/chroot_local-hooks/50-virtualbox

   1 #!/bin/sh
   2
   3 set -e
   4
   5 echo "Building VirtualBox guest modules"
   6
   7 hw_arch="`dpkg --print-architecture`"
   8 if [ "$hw_arch" != i386 -a "$hw_arch" != amd64 ]; then
   9    exit 0
  10 fi
  11
  12 available_gcc_version=4.7
  13 wanted_gcc_version=4.8
  14
  15 # the -dkms package must be installed *after* dkms to be properly registered
  16 apt-get install --yes build-essential dkms dpatch
  17
  18 # temporary workaround: pretend the "wanted" GCC is available, so that
  19 # the modules can build.
  20 # /usr/src/linux-headers-3.*-common/scripts/gcc-version.sh
  21 # is the one who says they should be run using that version.
  22 apt-get install --yes gcc-${available_gcc_version}
  23
  24 # Create and install fake GCC package
  25 apt-get install --yes equivs
  26 cat > /root/gcc-${wanted_gcc_version}.control << EOF
  27 Section: devel
  28 Priority: optional
  29 Homepage: https://tails.boum.org/
  30 Standards-Version: 3.6.2
  31
  32 Package: gcc-${wanted_gcc_version}
  33 Maintainer: Tails developers <amnesia@boum.org>
  34 Architecture: all
  35 Description: (Fake) GNU C compiler
  36  Work around the fact that our Linux headers depend on gcc-${wanted_gcc_version},
  37  which is unavailable on Wheezy.
  38 EOF
  39 cd /root ; equivs-build /root/gcc-${wanted_gcc_version}.control
  40 dpkg -i gcc-${wanted_gcc_version}_1.0_all.deb
  41 ln -sf /usr/bin/gcc-${available_gcc_version} /usr/bin/gcc-${wanted_gcc_version}
  42 rm /root/gcc-${wanted_gcc_version}.control /root/gcc-${wanted_gcc_version}_1.0_all.deb
  43
  44 # Versions of the module prior to 4.2 do not built on 3.8 and later [Debian #704130].
  45 # Install version from Wheezy backports.
  46 apt-get install --yes virtualbox-guest-utils virtualbox-guest-dkms virtualbox-guest-x11
  47
  48 # Have the modules built for every installed kernel
  49 for KERNEL in /boot/vmlinuz-* ; do
  50    KERNEL_VERSION="$(basename ${KERNEL} | sed -e 's|vmlinuz-||')"
  51    MODULES_VERSION="$(dpkg-query -W -f='${Version\n}' virtualbox-guest-dkms)"
  52
  53    # Installing the headers should trigger the building of the modules for that kernel
  54    apt-get install --yes linux-headers-$KERNEL_VERSION
  55    # Only build and install if it was not done already
  56    if [ ! "$(dkms status -k $KERNEL_VERSION -m virtualbox-guest -v $MODULES_VERSION)" ]; then
  57       dkms build -k $KERNEL_VERSION -m virtualbox-guest -v $MODULES_VERSION
  58       dkms install -k $KERNEL_VERSION -m virtualbox-guest -v $MODULES_VERSION
  59    fi
  60
  61 done
  62
  63 # clean the build directory
  64 rm -r /var/lib/dkms/virtualbox-guest/
  65
  66 # virtualbox-guest-dkms's postrm script deletes any previously
  67 # built binary module; let's delete it before the package gets purged.
  68 rm /var/lib/dpkg/info/virtualbox-guest-dkms.prerm
  69
  70 # Also copy the udev rules installed by virtualbox-guest-dkms to enable guest
  71 # additions by default.
  72 cp -a /lib/udev/rules.d/60-virtualbox-guest-dkms.rules /etc/udev/rules.d/
  73
  74 # remove temporary workaround
  75 rm /usr/bin/gcc-${wanted_gcc_version}