Re: [Boost-build] Configuring multiple versions of gcc

Subject: Re: [Boost-build] Configuring multiple versions of gcc
From: Vladimir Prus (ghost_at_[hidden])
Date: 2010-05-28 03:24:22

On Friday 21 May 2010 05:29:41 Anthony Foglia wrote:

> I'm having trouble setting up boost-build to use multiple version of 
> gcc.  We're running boost-build on Ubuntu, which first looks in 
> /etc/site-config.jam where it finds:
> 
> using gcc ;
> 
> which works fine with the default gcc version, 4.4.1.  Now, if in my 
> Jamroot, I put
> 
> using gcc : 4.1 : g++-4.1 ;
> 
> When I run bjam lib/utilities/ -a release toolset=gcc-4.1, 
> (lib/utilities is one of our smallest targets) I get the following error:
> 
> error: at /usr/share/boost-build/build/project.jam:825
> error: duplicate initialization of gcc with the following parameters:
> error: version = 4.1
> 
> What is the proper way to configure a second version of gcc?

You have to put your second using in user-config.jam. Putting it in Jamroot
is technically possible, but it's a bit too late for some things.

Thanks,

--
Vladimir Prus
http://vladimir_prus.blogspot.com
Boost.Build: http://boost.org/boost-build2