[GiNaC-list] Parser problems once again (bad version of bison)

Jens Vollinga vollinga at physik.uni-wuppertal.de
Tue Jan 30 15:42:59 CET 2007


Sheplyakov Alexei schrieb:
> On Mon, Jan 29, 2007 at 10:58:14PM -0500, David Fang wrote:
>> 	I just build cln-1.1.13, ginac-1.3.6 myself (OS X 10.4, dual G4)
>> without problems, and bison didn't even play a role because ginac ships
>> the resulting .cc sources with it (pre-built using bison 1.875, it seems).
>                                                ^^^^^^^^^^^^^^^^^
> Ouch! This version of bison is known to generate bad code, see 
> http://www.ginac.de/pipermail/ginac-list/2006-July/000842.html
> for more details. Thus all gcc 4.1 users (read: all more or less up-to-date
> GNU/Linux distros users) will hit parser error bug again. :( In fact
> we've already had such a bug report,
> http://www.ginac.de/pipermail/ginac-list/2007-January/001020.html

sorry, my fault. I was building it on a old SuSE installation and didn't 
consider this issue.

> I propose to make new bugfix-only release (e.g. regenerate
> input_parser.cc with "known-good" bison version)...

Okay, I will do it. Are there any pending patches/bug fixes to be 
submitted soon?


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