PATCH: gengtype-lex.l warning

Kaveh R. Ghazi
Tue Jan 6 17:36:00 GMT 2009

From: "Tom Tromey" <>

>>>>>> "Ben" == Ben Elliston <> writes:
>>> Are we at or close to being able to remove the -Wno-error from
>>> gengtype-lex.o ?
> Ben> Not quite.  On my build system, we have flex 2.5.4 installed.  This
> Ben> version still generates code with warnings.  On my laptop, I have 
> 2.5.35
> Ben> installed, which generates none.  Guess we need to wait a little 
> longer.
> According to the flex web site, 2.5.35 was released nearly a year ago.
> 2.5.33 was released nearly 2 years ago.  If that version generates
> warning-free code, then maybe we could just bump the minimum required
> version to 2.5.33.
> Tom

Hmm, looking into it further, the cfarm gcc14 box has flex 2.5.33 and it 
still generates the missing prototype warnings.  So x.33 doesn't appear to 
be good enough... at least not with the default settings.  Is there some 
magic macro that helps like YY_NO_INPUT?

Kaveh R. Ghazi

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