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From: Toon Knapen (toon.knapen_at_[hidden])
Date: 2004-12-09 15:57:49

David Abrahams wrote:
> Hi,
> I'd like to be able to issue some command to rebuild bjam only when it's
> out of date. I am going to run a script that does this repeatedly and I
> don't want to waste CPU cycles rebuilding bjam when it's unneeded. Is
> there a way (that doesn't involve knowing the guessed toolset name
> beforehand?)

IIUC first builds bjam0 from the sources. And than bjam is
generated from the sources using bjam0. Well if you know you already
have a bjam0, you can directly call bjam0. I don't know the different
between bjam0 and the final bjam executable that is generated but I
guess that bjam0 will also do dependency checking and thus only rebuild
what is out of date.


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