Re: [Boost-users] read_graphviz in 1.4x series

Subject: Re: [Boost-users] read_graphviz in 1.4x series
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2010-01-14 12:07:25

On Thu, 14 Jan 2010, Cyrus Hall wrote:

> Ciao all-
>
> I've been happily using the boost graph library for a number of months
> now.  Thanks to everyone who has contributed to this great piece of
> software.
>
> After upgrading from boost 1.38 to 1.40 in Ubuntu, read_graphviz now
> prints to std::cerr the graph it has just read.  I downloaded to the
> source code to make sure this wasn't some cruft left over by the Ubuntu
> package managers, and it seems these print statements are in the main
> distribution package.  This change seems to correspond with a complete
> rewrite of the scanning and parsing underlying read_graphviz, which
> seems to have happened between 1.39 and 1.40.  1.41 contains no changes
> from 1.40 in read_graphviz_new.cpp.
>
> The particular offending lines of code are in translate_results_to_graph
> in read_graphviz_new.cpp, starting at line 760.  This is called directly
> from detail::graph::read_graphviz on line 796.  I see no obvious way to
> toggle these print statements.
>
> But I also can't find other messages about this problem, so I'm guessing
> I'm just missing something.  Is there someway I can get read of this
> debugging output?

Thank you for the bug report.  This is now fixed in r59005; I will try to 
get it pushed into 1.42.0.

-- Jeremiah Willcock