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From: Paul A Bristow (pbristow_at_[hidden])
Date: 2007-11-21 05:15:17


>-----Original Message-----
>From: boost-bounces_at_[hidden]
>[mailto:boost-bounces_at_[hidden]] On Behalf Of John Maddock
>Sent: 21 November 2007 09:44
>To: boost_at_[hidden]
>Subject: Re: [boost] Forcing rebuild of tests when headers change
>Anthony Williams wrote:
>> It's quite possible that this is because most of the thread headers
>> are platform-dependent, so are included through a macro expansion
>> (e.g. the one in boost/thread/tss.hpp). If so, is there a way to flag
>> the dependency directly?
>Exactly, if you include via:
>#include SOME_HEADER
>then bjam can't trace the dependencies, one trick would be to
>have a code
>#if 0
> // This block is for header dependency scanners:
># include <a.hpp>
># include <b.hpp>
>at the end of the header to ensure that the dependencies get tracked

This may also be most helpful to *human readers* too - who may also find things macroized like this confusing ;-)

So it would be Good Documentation Practice too.


Paul A Bristow
Prizet Farmhouse, Kendal, Cumbria UK LA8 8AB
+44 1539561830 & SMS, Mobile +44 7714 330204 & SMS

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