* Paolo Bonzini wrote on Tue, Oct 28, 2008 at 03:29:01PM CET:
> Eric Blake wrote:
> > Paolo Bonzini <bonzini <at> gnu.org> writes:
> >
> >>> int$[]2''_t ?
> >> Works elsewhere, but does not work inside AC_MSG_CHECKING which only
> >> escapes ` and ".
> >>
> >> I'll do $[]2${ac_nonexistent_var}_t for the AC_CACHE_CHECK, and
> >> int$[]2""_t elsewhere.
> >
> > Since, as you pointed out, POSIX requires $2_t to be equivalent to ${2}_t,
> > do
> > we really need the hack of ${ac_nonexistent_var} after all?
>
> Better to err on the safe side, since both you and Ralf were suspicious.
FWIW, I was simply falling in the same trap as Eric, so ignore me,
please.
