Re: [Boost-build] Trouble building Boost 1.40.0

Subject: Re: [Boost-build] Trouble building Boost 1.40.0
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-10-13 22:36:46

AMDG

Ian Emmons wrote:
> On both Macintosh (Snow Leopard) and Linux (Ubuntu 9.04), I am unable 
> to build Boost 1.40.0.  FOr instance, on Macintosh, I have a 
> user-config consisting of the single line
>
>      using darwin ;
>
> and an empty site-config.jam.  The command I am issuing is this:
>
>      bjam -q --build-dir=darwin/build --stagedir=darwin/stage
>      variant=debug,release threading=multi link=shared
>      runtime-link=shared stage
>
> The output I get is shown below.  (I know that the first 12 lines of 
> warnings and notes are innocuous -- I've included them just for 
> completeness.)
>
> <snip>
> /Users/iemmons/dev/boost_1_40_0/tools/build/v2/build/virtual-target.jam:1056: 
> in virtual-target.register-actual-name from module virtual-target
> error: Duplicate name of actual target: 
> <pdarwin/stage/lib>libboost_date_time.dylib 

If you need to build multiple variants, you need to use either 
--layout=tagged or --layout=versioned.
The default of --layout=system tries to give all variants of a library 
the same name.

In Christ,
Steven Watanabe