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. Paolo
