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From: Markus Schöpflin (markus.schoepflin_at_[hidden])
Date: 2006-04-25 07:37:14

Vladimir Prus wrote:

> On Tuesday 25 April 2006 13:01, Markus Schöpflin wrote:
>> Alex Besogonov wrote:
>>> I wonder why BBv2 doesn't use Jam's header depcache? I've stumbled upon
>>> it while wading through jam's sources.
>>> Dependency cache is is used in BBv1 and it really imporves compilation
>>> speed (especially, on Windows machines).
>>> Today I've tried to compile my project with .jamdeps turned on
>>> ("modules.poke : HCACHEFILE : .jamdeps ;" in my Jamroot) and it has
>>> compiled without problems.
>> I tried this by creating a file called 'Jamroot' in the boost top level
>> directory containing only the line noted above, but I get an error when
>> invoking bjam:
> You should add this to 'project-root.jam' instead. Boost still uses
> project-root.jam + Jamfile.v2 combo.

Thanks. I did this and tested the execution time of 'bjam --v2 -n
hp_cxx-71_006_tru64 > /dev/null' in the status directory, but did not find
any significant differences when enabling dependency caching.


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