Re: [Boost-build] [boost-build] share requirements between projects

Subject: Re: [Boost-build] [boost-build] share requirements between projects
From: Steve Lorimer (steve.lorimer_at_[hidden])
Date: 2014-11-06 17:42:53

Thanks Volodya!

On 7 November 2014 01:01, Vladimir Prus <vladimir.prus_at_[hidden]> wrote:

> On 11/06/2014 03:35 AM, Steve Lorimer wrote:
>
>> Hi all
>>
>> We have multiple repos, each of which has their own Jamroot
>>
>> We share some code between repos, so for example in a project Jamroot
>> we'll have
>>
>>     use-project /common : ../common/src ;
>>
>>
>> which pulls in common/src/Jamroot
>>
>> We have a site-config.jam which configures our gcc toolchain etc, but the
>> issue I'm having is specifying common requirements for our various
>> projects
>> Note below we have a number of repeated requirements. Is there a way to
>> configure this in site-config.jam or somehow share the common parts?
>>
>> *common/src/Jamroot:*
>>
>>     project common
>>     : requirements
>>     <include>.
>>     <include>third_party
>>     <link>static
>>     <find-shared-library>pthread
>>     ;
>>
>>
>> *porject1/Jamroot:*
>>
>>     project proj1
>>     : requirements
>>     <include>.
>>     <include>../common/src <include>../
>>     <include>../common/src/third_party
>>     <link>static
>>     <find-shared-library>pthread
>>
>>     ;
>>
>
> Steve,
>
> there are two methods that come to mind.
>
> First, you can have your site-config.jam say this:
>
>         constant COMMON_REQUIREMENTS : <link>static
> <find-shared-library>pthread ;
>
> and then you can use $(COMMON_REQUIREMENTS) in each jamroot.
>
> Second, you can create a custom module, say company.jam, make sure it's in
> BOOST_BUILD_PATH,
> and add this to that module:
>
>         rule common-requirements { return ... ; }
>
> and then a jamroot can do:
>
>         import company ;
>
>         proejct proj1 : requirements ... [ company.common-requirements ] ;
>
>  On a final note, and somewhat related, what is the best practice for
>> sharing code between repos / having multiple Jamroots etc?
>>
>
> I think the second approach will work.
>
> HTH,
> Volodya
>
> --
> Vladimir Prus
> http://vladimirprus.com
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