Re: [Boost-build] Different builds for XP and Vista/7

Subject: Re: [Boost-build] Different builds for XP and Vista/7
From: Artem Alimarine (brakoziabr_at_[hidden])
Date: 2011-04-12 16:28:27

Thanks for help.

The next step is to select implementation based on the target flavor. I 
have now the following Jamroot.

--------------------------------------------------------------------------
import feature ;

feature.subfeature target-os windows : flavor : vista xp : composite 
optional ;

feature.compose <target-os-windows:flavor>vista : 
<define>_WIN32_WINNT=0x0600 ;
feature.compose <target-os-windows:flavor>xp    : 
<define>_WIN32_WINNT=0x0501 ;

lib foo_lib : foo_xp.cpp : <target-os>windows-xp ;
lib foo_lib : foo_vista.cpp : <target-os>windows-vista ;

exe main : main.cpp foo_lib ;
exe main_xp : main.cpp foo_lib : <target-os>windows-xp ;
exe main_vista : main.cpp foo_lib : <target-os>windows-vista ;
--------------------------------------------------------------------------

There is a problem. When I run it with
        bjam toolset=msvc target-os=windows-xp main
or
        bjam toolset=msvc target-os=windows-xp main_xp
I always get

error: No best alternative for ./foo_lib
     next alternative: required properties: <target-os>windows-xp
         not matched
     next alternative: required properties: <target-os>windows-vista
         not matched

How do I achieve that the build is picked according to the flavor given 
in the command line or in the executable properties?

Artem

On 11-4-2011 14:08, Juraj Ivanèiæ wrote:
> On 11.4.2011 12:17, Artem Alimarine wrote:
>
>> I need to have two different builds on Windows: one for XP target, and
>> the other for Vista/7 target. The difference will be mainly in defines
>> and in implementation files used.
>>
>> Is it already supported by a feature like target-os? What is the best
>> way to implement this?
>
> This should get you started.
>
> HTH
>
>
>
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