Re: [Boost-build] Is it possible to find out if a named target exists in a subproject jamfile

Subject: Re: [Boost-build] Is it possible to find out if a named target exists in a subproject jamfile
From: Rene Rivera (grafikrobot_at_[hidden])
Date: 2015-04-03 15:50:01

On Fri, Apr 3, 2015 at 2:43 PM, Steven Watanabe <watanabesj_at_[hidden]>
wrote:

> AMDG
>
> On 04/03/2015 01:25 PM, Rene Rivera wrote:
> >
> > You will likely have to get the latest BBv2 from develop branch for this
> to
> > work.. You can do something like this:
> >
> > ===
> > import project ;
> > local sub1-module = [ project.find sub1 : $(__file__:D) ] ;
> > local sub1-target = [ project.target $(sub1-module) ] ;
> > if [ $(sub1-target).has-alternative-for-target stage ]
> > {
> >     # "stage" is declared in project.. do something..
> > }
> > ===
> >
>
> This won't work because the parent project is
> loaded /before/ any subprojects.
>

IIRC calling project.find directly circumvents that. As it loads the given
project regardless.

-- 
-- Rene Rivera
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