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From: Vladimir Prus (ghost_at_[hidden])
Date: 2003-01-09 02:18:34

David Abrahams wrote:

>>What we need is some concrete use cases of toolset inheritance.
>>Well, to begin with, it's possible to have some common.jam, with
>> toolset.flags common.compile DEFINES <define> ;
>>then gcc.jam would say
>> tolset.inherit-flags common ;
>>to reuse the first flags declaration. Looking at the V1 cwpro8-tools.jam, it
>>seems like in V2 it would contain:
>> toolset.inherit-flags metrowerks ;
>>In the second case we'd also need to inherit the rules/actions. Maybe, there
>>should be
>> toolset.inherit metrowerks ;
>>which would bring everything (rules + actions + flags)?
> Sure, that could work.
> However, I don't have any idea how to make it work. I don't know how
> the actions get hooked up to targets anymore, and generators.jam
> contains some (no offense, but) obscenely large functions that I'm
> afraid to try analyzing.

Sure, after deciding for myself how it all should work, I might have easily
forgotten that it's nontrivial code, and undercomment it.

I suggest that you just ask everything which is not clear (maybe, even via
Jabber). I propably can try to prepare some kind of UML diagram, meanwhile.

- Volodya


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