Re: [BBv2] fix for response file regeneration

From: Reece Dunn (msclrhd_at_[hidden])
Date: 2005-10-27 15:54:55

Zbynek Winkler wrote:
> :) I think we should start reading each others emails. IMO what has 
> happened here is that each one of us saw the light at various points of 
> time. So I guess that we all are proposing
> 
> actions compile.c++ 
> {
> mv @(INCLUDES) $(<).rsp
> cl $(<).rsp ....
> }
> 
> where the @() syntax takes the variable, outputs its contents to a 
> temporary file and returns its filename instead.

Yes! Now... how to port the functionality to bjam from Matt's code.

> And just for the record - I would *really* love to see the 
> hashed-command-line mechanism to rebuild things. I just see the problem 
> of limited command line length and the inclusion of the command to the 
> dependency graph as orthogonal.

You would need to include the contents of the response file in the hash 
as well. Hashing command line + RSP would be enough to detect changes, 
but where to store these hashes (and avoid the current RSP file problem).

- Reece