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Date: Thu, 11 Dec 2014 13:36:53 +0000
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To: Sebastian Bergmann <sebastian@php.net>
Cc: PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] bison 3.0
From: leight@gmail.com (Leigh)

On 11 December 2014 at 07:52, Sebastian Bergmann <sebastian@php.net> wrote:
>  Hi!
>
>  I just updated my notebook to Fedora 21 and am no longer able to
>  build PHP on it since I now have bison 3.0.2 instead of bison 2.7.
>
>  bison 3.0 is blacklisted in Zend/acinclude.m4. Is bison 3.0
>  incompatible with our parser specification? If so, will it be
>  upgraded? It's not really a good situation to be incompatible
>  with current versions of essential tools such as bison.
>
>  Best,
> Sebastian
>

I've been building fine on a Debian based system with bison 3.0.2 just
by commenting out the exclusion.

There is also this: https://github.com/php/php-src/pull/685