Subject: Re: [Boost-build] Basic bjam issues
From: Alexander Sack (pisymbol_at_[hidden])
Date: 2008-10-10 15:52:37
On Thu, Oct 9, 2008 at 11:55 AM, Steven Watanabe <watanabesj_at_[hidden]> wrote:
>> - Why can't I use multiple build variants? I want to be able to build
>> my project with certain features defined (i.e #define's). If I try to
>> define a build variant for each one via:
>> variant feature_support1 : <define>feature1 ;
>> variant feature_support2 : <define>feature2 ;
>> etc. I want to be able to turn them on and off from bjam command line
> variants are considered mutually exclusive. The idea is that
> bjam ... debug release will do both debug and release builds.
> I suppose that you can make a separate feature for each.
> feature feature_support1 : off on : implicit composite propagated ;
> feature.compose <feature_support1>on : <define>feature1 ;
> bjam feature_support1=on
Alright but now this doesn't work for multiple features. Bjam claims
that "off" or "on" are already values for another feature.
All I have a couple of defines that are project wide that need to be
turned on or off depending whether the use wants them. I mean I
suppose I could try to use variants and setup build profiles but I
thought this would be a lot more straight forward than it has been.
Isn't this pretty common?
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