On Mon, 18 Feb 2008, Tom Lane wrote:
> There seems to have been a bit of a brain cramp upstream :-(.
> Previously, AC_FUNC_FSEEKO did this to test if fseeko was available:
>
> return !fseeko;
>
> Now it does this:
>
> return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0);
>
> Unfortunately, that gives the compiler enough of a syntactic clue
> to guess that fseeko is probably an undeclared function, and therefore
> *it will not error out*, only generate a warning, if it's not seen
> a declaration for fseeko.
>
So that's what that was. I had the same problem in another project I was
working on (which I used some PostgreSQL configure code in).
I had to add this in the gcc section of configure:
PGAC_PROG_CC_CFLAGS_OPT([-Werror-implicit-function-declaration])
But it would be nice to find a better fix. I don't understand how calling
a function that has not been defined yet is ever not an error.
--
In 1915 pancake make-up was invented but most people still preferred
syrup.
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