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 15:54:28

On Fri, Apr 3, 2015 at 2:50 PM, Rene Rivera <grafikrobot_at_[hidden]> wrote:

> 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.
>

PS. I should have obviously said this was totally untested :-)

-- 
-- Rene Rivera
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