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From "John Camelon" <>
Subject RE: incremental building
Date Thu, 10 May 2001 03:13:58 GMT
so nobody has run into anything like this before?
or is this a taboo subject on this list?


> -----Original Message-----
> From: John Camelon []
> Sent: Tuesday, May 08, 2001 2:53 PM
> To: 'Ant-User list (E-mail)
> Subject: incremental building
> i'm trying really hard to use ant for our build environment, but its tough
> to think "differently" than what i've been taught over the long hard years
> using make.  :)
> one thing that i haven't been able to accomplish/understand is how to
> effectively do incremental build.  i have numerous projects that
> all run off
> of one build.xml at the root of the classpath as i have seen
> recommended off
> the list from time to time.  problem is that we use CORBA, and there are
> numerous IDL's that require compilation to java files prior to running the
> compile.
> the inherent timestamping using </tstamp> doesn't determine that
> these IDL's
> don't need to be regenerated, and the optional task <depends> only is
> relevant for .java --> .class transformations.  so unfortunately, in order
> to get incremental compilation working properly, i have had to
> separate the
> two tasks (idl and compile) and not have them depend upon each other.  i
> would like to have compile depend upon idl though, and i would like some
> incremental mechanism.
> any suggestions or references would be helpful.
> johnc

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