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Re: [PATCH 12/12] use a shell function for AC_TYPE_INTx_T


From: Paolo Bonzini
Subject: Re: [PATCH 12/12] use a shell function for AC_TYPE_INTx_T
Date: Tue, 28 Oct 2008 15:29:01 +0100
User-agent: Thunderbird 2.0.0.17 (Macintosh/20080914)

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




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