Re: [Boost-build] [V2] adding to composite features

From: Zbynek Winkler (zw-bjam_at_[hidden])
Date: 2005-11-15 05:33:35

Vladimir Prus wrote:

>>I have tried adding:
>>
>>feature.compose <variant>debug : <define>_DEBUG ;
>>
>>to msvc.jam (actually, msplatformsdj.jam) and get:
>>
>>F:/devel/bbv2/build\feature.jam:585: in feature.compose from module feature
>>error: components of <variant>debug already set: <optimization>off 
>><debug-symbols>on <inlining>off <runtime-debugging>on
>>
>>Q: How do I add to an already composed feature?
>>    
>>
>You can't. That's why NDEBUG define is specified in the definition of 
>"release"  variant and not later.
>  
>
If there is some "base project" where all user projects are "inherited" 
from, you could say:
project
        : requirements
                <variant>debug:<define>_DEBUG
        ;
And that would effectively do what you what.

Zbynek

-- 
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Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic