Re: [boost] [uuid] Unused variable warnings

Subject: Re: [boost] [uuid] Unused variable warnings
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2012-05-02 13:04:25

On Wednesday 02 May 2012 12:56:12 Andy Tompkins wrote:
> Hi,
> 
> On Fri, Apr 27, 2012, at 01:41 PM, Andrey Semashev wrote:
> > Hi,
> > 
> > With recent versions of boost I get lots of warnings like the
> > following:
> > 
> > /.../boost/uuid/seed_rng.hpp: In member function ‘void
> > boost::uuids::detail::seed_rng::sha1_random_digest_()’:
> > /.../boost/uuid/seed_rng.hpp:157:24: warning: variable ‘not_used’ set
> > but not used [-Wunused-but-set-variable]
> > 
> > I'm using GCC 4.6 with -Wall. It's trivial to mask this warning out by
> > attaching __attribute__((unused)) to the variable, which I've done
> > locally. Ok to commit?
> 
> This is great.
> 
> There is a ticket already about this.
> https://svn.boost.org/trac/boost/ticket/6118. I don't have access to GCC
> 4.6, nor am I familiar with it and have not been able to solve this.
> 
> Would you create a patch?  I wish to review it before saying "ok
> to commit".

Sorry, I couldn't wait and committed it already. You can see the change in 
trunk and release branch. Feel free to modify it as you see fit.