* Do not build tuntap on non-Linux platforms. Ideally this would
be replaced with similar functionality elsewhere, but for now
this change fixes the FTBFS on Debian hurd-* and kfreebsd-*.
* Do not build tuntap on non-Linux platforms. Ideally this would
be replaced with similar functionality elsewhere, but for now
this change fixes the FTBFS on Debian hurd-* and kfreebsd-*.