Peter Eisentraut <[EMAIL PROTECTED]> writes:
> With GCC 4.3, I get warnings from every flex scanner that 'input' is defined 
> but not used.  This can be solved by adding %option noinput.  I tested this 
> option with a current flex and with the old 2.5.4a; both accept it.  See 
> attached patch.  Does anyone see problems with this?

Hm, I wonder why we didn't see those before ... [ looks at code... ]
Oh: yyinput() recurses internally, so even though it's not called
from anywhere else, older gcc's don't realize it's really unreferenced.

I confirm 2.5.4 has the noinput option.  Patch seems ok from here,

                        regards, tom lane

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