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From: Vladimir Prus (ghost_at_[hidden])
Date: 2005-10-21 01:26:08

On Thursday 20 October 2005 19:46, David Abrahams wrote:
> Vladimir Prus <ghost_at_[hidden]> writes:
> > The first problem can be only handled by build signatures -- computing
> > MD5 of all build properties, storing them to a file, and forcing rebuild
> > when stored MD5 of a file is different.
> FWIW, MD5 is not needed. We could just write some bjam code to the
> file, such as:
> build-properties = <feature1>value1 <feature2>value2 ... ;
> Then load that file and compare values.

Yes. The hard part is not MD5, though. It's creating the file, deciding
*where* to create it, and associated machinery.

We have MD5 builtin, so storing MD5 as opposed to list of properties is very

- Volodya

Vladimir Prus
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