Jamfile.v2 (Was: [jamboost] Re: How to use <lib> for external project?)

From: chyipin (chyipin_at_[hidden])
Date: 2003-09-14 20:53:53

> Until now, I've used a separate directory tree which the same 
structure as 
> Boost, but containing only Jamfile. Those Jamfiles were referring 
to main 
> boost tree as source-location. It worked, but I'd agree if you say 
it's not 
> very convenient. 
> 
> I've just tweaked the source to search for Jamfile.v2 and prefer it 
to any
> other found Jamfile. Could you getting
> http://zigzag.cs.msu.su:7813/~ghost/working_copy/new/project.jam, 
place it to 
> "new" directory of Boost.Build tree and try again?
> 

It works, thanks.

> In V1, everything was in a big can ("global namespace"). In V2, 
each module, 
> including Jamfiles, has its own namespace. Environmental variables 
are in 
> global namespace and are not visible. It's possible to get at them 
with
> 
> import modules ;
> ECHO [ modules.peek : $(BOOST_ROOT) ] ;
> 

Thanks again for this nice bit of info. Minor correction:

import modules ;
ECHO [ modules.peek : BOOST_ROOT ] ;

No $() around BOOST_ROOT. ;)