Re: [Boost-build] Including bjam code based on the address_model

From: Edward Diener (eldiener_at_[hidden])
Date: 2019-07-09 15:30:01

On 7/9/2019 8:47 AM, Edward Diener via Boost-build wrote:
> I would like to include different bjam code, using the 'include' rule, 
> into a jamfile based on the address-model used when b2 is invoked. Is 
> this doable, and if so how ? Would it make any difference if the jamfile 
> involved were 'user-config.jam' ?
> 
> Essentially I need to use different toolset definitions depending on 
> whether the compile is for 32 bit or 64-bit code and I thought the 
> easiest way to do this would be just to include different toolset 
> definitions into my user-config.jam depending on the address model. If 
> there is a better way to do this within bjam I would love to know what 
> it is. Most of the toolsets involved are compilers but some are just 
> other tools such as zip libraries like bzip2 and there is also the 
> python toolset.
> 
> My current method of doing this is to link a 32-bit user-config to 
> user-config.jam when I do 32-bit compile and a 64-bit user-config to 
> user-config.jam when I do a 64-bit compile, but this has always seemed 
> to me to be kludgy even if it does work, and I am hoping that bjam has 
> the ability to solve this without my kludge.

Solved ! Evidently with 'using' rule for the various compilers and tools 
I can add target alternatives in the requirements section and so can 
have <address-model>32 and <address-model>64 to achieve my goal.