Re: [Boost-build] BjamC++ state

From: David Abrahams (dave_at_[hidden])
Date: 2006-11-05 10:30:04

Rene Rivera <grafikrobot_at_[hidden]> writes:

> Rene Rivera wrote:
>> David Abrahams wrote:
>>> Vladimir Prus <ghost_at_[hidden]> writes:
>>>
>>>> Alex,
>>>> can you tell what is the current state of bjam-in-C++ rewrite? IIRC, you said 
>>>> that parser/evaluation is done and you're working on build engine.
>>>>
>>>> Perphaps if build engine proved hard, we can use the existing build engine?
>>>> Memory consumptions starts to become a problem with bjam, and I'm hoping that
>>>> implementation with ref-counted strings would be a big step forward, even if 
>>>> not everyting is converted.
>>> I wonder if we wouldn't be better off simply integrating the boehm
>>> collector?  We'd only have to prevent it from scanning the global map
>>> for references to strings and introduce some forced collections as
>>> memory use grows.
>> 
>> It's already integrated. Just: download it (at least version 6.7), put 
>> it in tools/jam/src/boehm_gc, and build bjam with a "--gc" option. 
>> Unfortunately it crashes at some point, and I have no clue how to 
>> diagnose and fix the seeming problems.

Have you got a reproducible test case?

> PS. The DUMA <http://www.pf-lug.de/projekte/haya/duma.php> debug memory 
> allocator is also integrated with an equivalent procedure as above 
> except for putting DUMA in tools/jam/src/duma.

Is there a special command-line option?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com