Re: [jamboost] Re: [boost] bjam variants, subvariants and default build

From: David Abrahams (david.abrahams_at_[hidden])
Date: 2002-07-16 00:51:22

----- Original Message -----
From: "Rene Rivera" <grafik666_at_[hidden]>
>
> > Couple questions:
> >1. What is the practical difference between
> >
> >lib my_lib : source.cpp
> > :
> > : release <threading>multi
> > ;
>
> It works, and is correct.

By default, builds the release multithreaded variant of my_lib.

> >and
> >
> >lib my_lib : source.cpp
> > :
> > : <release><threading>multi
> > ;
>
> Doesn't work, and is incorrect. AFAIK

Right. However if you put <release><threading>multi in the *REQUIREMENTS*
section, it means that the release variant requires multithreading.

-Dave