Re: [HACKERS] Autoconf'd test for int64

Applied.  Autoconf run.

> Attached is a patch that uses autoconf to determine whether there is
> a working 64-bit-int type available.
>
> In playing around with it on my machine, I found that gcc provides
> perfectly fine support for "long long" arithmetic ... but sprintf()
> and sscanf(), which are system-supplied, don't work :-(.  So the
> autoconf test program does a cursory test on them too.
>
> If we find that a lot of systems are like this, it might be worth
> the trouble to implement binary<->ASCII conversion of int64 ourselves
> rather than relying on sprintf/sscanf to handle the data type.
>
>             regards, tom lane

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