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Message-ID:	<02de01c2cd7b$a5f89b40$78d96f83@pomello>
From:	"Max Bowsher" <maxb AT ukf DOT net>
To:	<cygwin AT cygwin DOT com>
References:	<005c01c2caf1$f2781400$78d96f83 AT pomello> <20030202194052 DOT GA9584 AT redhat DOT com>
Subject:	Re: bison-1.875-1 generates code incompatible with g++
Date:	Thu, 6 Feb 2003 01:04:06 -0000
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Christopher Faylor wrote:
> On Sun, Feb 02, 2003 at 07:33:22PM -0000, Max Bowsher wrote:
>> (Ran into this when building setup)
>>
>> bison 1.875 produces this code fragment:
>>
>>> yyerrlab1:
>>>
>>>   /* Suppress GCC warning that yyerrlab1 is unused when no action
>>>      invokes YYERROR.  */
>>> #if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 +
>>>   __GNUC_MINOR__) __attribute__ ((__unused__))
>>> #endif
>>
>> which compiles with gcc, but g++ doesn't accept attributes on labels.
>>
>> This seems to be a g++ bug.
>>
>> Comments?
>
> Probably one of the mailing lists designed for bison would have
> observations about this:
>
> http://mail.gnu.org/mailman/listinfo
>
> Search for "bison".

Thanks for the pointer. Turns out this was resolved without my input in
bison-1.875a.

It is a test release, but the changes seem to be entirely bug fixes. Would
you consider upgrading the Cygwin package to this version? If not, would you
consider taking just the data/yacc.c file from bison-1.875a and releasing a
Cygwin bison-1.875-2?

Max.


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