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Subject: Re: [Boost-build] Timestamp
From: Nogradi, Chris (Chris.Nogradi_at_[hidden])
Date: 2012-05-14 10:31:32

> On 03/30/2012 03:01 PM, Nogradi, Chris wrote:
> > Suppose I want to rebuild a C file to update a time stamp in the
> final exe but I only want to do this when the exe needs to be updated.
> Any high level rules that allow me to do this? I saw a hack in 2007:
> >
> >
> >
> > but it does not seem to accomplish what I need.
> >
> On Friday, March 30, 2012 8:31 PM, Steven Watanabe wrote:
> At the Jam level, I think REBUILDS does what
> you want. I don't think there's a Boost.Build
> interface for this though.

I have studied the only usage instance of this I could find in testing.jam and since I am just trying to set this on an existing obj target, the example there does not seem relevant. I believe this is what I would need:

obj timestamp : timestamp.c ;
exe main : main.c timestamp ;
rebuilds main : timestamp ;

If this is correct, I would need to implement something similar to the always rule but with two parameters. Am I on the right path or is there a better solution for this?



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