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Subject: Re: [Boost-build] How to adjust/redefine default variants "debug", "release" and "profiling"
From: Deniz Bahadir (D.Bahadir_at_[hidden])
Date: 2009-11-11 06:33:58

Thanks Vladimir (or Volodya?),

your suggestion works like a charm.

Thanks a lot.

PS: I got another newbie-questions, but I guess I better write an
individual email for it.

2009/11/11 Vladimir Prus <ghost_at_[hidden]>:
> On Wednesday 11 November 2009 Deniz Bahadir wrote:
>> Hello everyone,
>> I have a short question concerning the default build variants "debug", "release", and "profiling":
>>   Is it possible to change some features for these default variants or add some new? (And how?)
>> I do not want to inherit these variants but instead change them directly.
>> For example, I like to add a preprocessor-define "DEBUG" to the debug variant, (but not to the others).
>> By searching this list I already found a way to change some of the default-settings by doing the following:
>>   # Rearrange default features to our specs
>>   import feature ;
>>   feature.set-default runtime-debugging : off ;
>> However, as far as I understand, this changes the default value globally for all three default variants and it seems not to be possible to do it just for one variant. I was also not able to add a preprocessor-define (at least globally to all variants) using this mechanism.
>> So hopefully someone can help me.
> Deniz,
> there's no 'clean' way to do this. However, can you try this:
>        module feature
>        {
>                <variant>debug.components = <optimization>off <define>FOOBAR ;
>        }
> This explicitly pokes at relevant settings inside the 'feature' module.
> Let me know if this helps.
> - Volodya
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