Re: [Boost-build] generator problems

Subject: Re: [Boost-build] generator problems
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2012-03-23 00:01:31

AMDG

On 03/22/2012 08:31 PM, George Georgiev wrote:
> Hi,
> 
> Something that I can not understand is how the scanner will be able to
> detect the dependencies if the files are still not generated.

Generated targets are rescanned for dependencies.
i.e. the include scanner should run /after/
lib1-1.cpp is created.

> I feel
> like the right solutions is in scanner.process to be added fake
> propagation explaining the expected dependencies. In pseudo code:
> 
> 
>     rule process ( target : matches * : binding )
>     {
>         ...
> 
>         local cpp = get cpp target from $(target);
>         headers = get h targets from $(matches);
>         INCLUDES $(cpp) : $(headers) ;
>     }
> 
> Unfortunately I am laking a basic knowledge of jam language and every
> experiment takes me forever to implement.
> 

In Christ,
Steven Watanabe