I had filed a bug with Gentoo:

https://bugs.gentoo.org/show_bug.cgi?id=459820

On Jul 25, 2013 5:31 PM, "Vincent Povirk" <madewokherd@gmail.com> wrote:
I have no opinion on this sort of work-around (it should work afaict,
and I haven't found any other places where we currently use toff_t),
but did you file a bug with whatever distro has such broken headers?