if [[ "x$(get_kernel_config CONFIG_TMPFS)" != 'xy' ]]
then
  message "${PROBLEM_COLOR}You don't have CONFIG_TMPFS"  \
          "enabled in your kernel configuration, cannot build"  \
          "${SPELL_COLOR}${SPELL}${DEFAULT_COLOR}."  &&
  return 1
fi &&

mk_source_dir "${SOURCE_DIRECTORY}" &&
cd "${SOURCE_DIRECTORY}" &&
verify_file '' &&

ar x "${SOURCE_CACHE}"/"${SOURCE}" &&
tar xvf data.tar.xz &&

# Fix steam.desktop for /usr/games/
sed -i "s:/usr/bin/\(steam\):${INSTALL_ROOT}/usr/games/\1:" \
  "${SOURCE_DIRECTORY}"/usr/share/applications/steam.desktop
