Re: AC_CHECK_FUNCS(sigsetjmp)

[Keith MARSHALL]

Thomas Dickey wrote, quoting me:
> Thomas Dickey wrote, quoting Eric Blake:
>>>> Have you tried AC_CHECK_DECLS instead?  You really are checking
>>>> whether sigsetjmp is declared and you can compile with it, not
>>>> whether it is a function and you can link with it.
>>>
>>> But supposing that I wanted to pass around a pointer to it, that
>>> wouldn't help much.
>>
>> How do you pass around a pointer to an entity which is implemented
>> as a preprocessor macro?
>
> My comment was in the context of a check for stat().

Not in the context you've quoted; you *explicitly* placed in the context
of a check for sigsetjmp.

> If you read my earlier comment, you should have guessed that I'd read
> the comments on the opengroup webpage regarding setjmp().

I did, which is why I was surprised by your remark above; I thought
that maybe you'd overlooked the snippet I quoted.

Regards,
Keith.