> > > This commit tidies up the #include lists in {i386,amd64}-linux-nat.c,
> > > removing headers that are no longer required and reordering some
> > > lines so that both files roughly match.  Additionally, an unused
> > > definition was removed from the middle of the #include list in
> > > i386-linux-nat.c.
> > 
> > Unfortunately, this patch broke GDB builds on some GNU/Linux
> > distros. I fixed the issue I got by applying the attached patch.
> 
> Thanks for fixing this Joel.

Of course! As it happens, we need to do the same for amd64-linux-nat.c
as well. It makes sense, not sure why I didn't think of that before.
Attached is the patch I just pushed.

gdb/ChangeLog:

        * amd64-linux-nat.c: Add <sys/uio.h> #include.

-- 
Joel