Re: [Boost-build] [run] propagate (usage)requirements to dependent targets

Subject: Re: [Boost-build] [run] propagate (usage)requirements to dependent targets
From: Raffi Enficiaud (raffi.enficiaud_at_[hidden])
Date: 2016-10-10 10:31:09

Le 10/10/16 à 16:12, Steven Watanabe a écrit :
> AMDG
>
> On 10/10/2016 03:55 AM, Raffi Enficiaud wrote:
>> Hi all again,
>>
>> I am still exploring a bit boost.build, so please have some patience
>> with me ...
>>
>> I have a target to which I just added requirements and usage requirements:
>>
>> exe smoke-ts-static : smoke-ts/basic-smoke-test.cpp
>> ../build//boost_unit_test_framework/<link>static
>>                     : $(requirements_datasets)
>>                     :
>>                     : $(requirements_datasets) ; # usage requirements
>>
>> where
>>
>> requirements_datasets = [ requires cxx11_decltype cxx11_hdr_random
>> cxx11_hdr_tuple cxx11_hdr_initializer_list cxx11_variadic_macros
>> cxx11_trailing_result_types cxx11_template_aliases ] ;
>>
>> <snip>
>>
>> [snip]
>>
>> I thought that usage-requirement will be propagated to the run rule.
>> What am I doing wrong and how to propagate the requirements?
>>
>
> I'm pretty sure that requires doesn't work
> in usage-requirements.  In particular,
> usage-requirements must be free features,
> but config.requires uses <build>no which
> is not a free feature.
>
> In Christ,
> Steven Watanabe

Sorry for the basic mistakes I am doing, but how would you do what I 
want to do? As you can see, it is not like I am not trying :)

Thanks,
Raffi