# kernel < 2.6.15 can't use udev > 092 because udevsend has been removed

if list_find "$UDEV_OPTS" "--enable-extras"
then
  local _UDEV_SYSFS_DEPRECATED=$(get_kernel_config CONFIG_SYSFS_DEPRECATED_V2) &&
  if [[ $_UDEV_SYSFS_DEPRECATED == y ||
        $_UDEV_SYSFS_DEPRECATED == m ]]
  then
    message "${PROBLEM_COLOR}You have CONFIG_SYSFS_DEPRECATED_V2" \
            "enabled in your kernel configuration, will not build" \
            "${SPELL_COLOR}$SPELL${MESSAGE_COLOR}.${DEFAULT_COLOR}" &&
    return 1
  fi
fi &&

local KVER=$(get_kernel_version) &&
local VER2=$(echo $KVER | cut -d. -f2) &&
local VER3=$(echo $KVER | cut -d. -f3) &&
      VER3=${VER3%%[^0-9]*} &&

if [[ VER2 < 6 || VER2 == 6 && VER3 < 15 ]]; then
  message "${PROBLEM_COLOR}You have a kernel < 2.6.15, it is too" \
          "old for udev. Please install\na newer kernel.\nIf you" \
          "insist on using your old kernel with hotplug,\nyou" \
          "can install udev-old.$DEFAULT_COLOR" &&
  return 1
else
  default_pre_build &&
  cd "$SOURCE_DIRECTORY"
fi &&
sed -i "s:install-dist_udevconfDATA::g" Makefile.in