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From "Andrew Ferguson" <Andrew.Fergu...@arm.com>
Subject depends executed before if/unless
Date Fri, 11 Mar 2005 16:23:47 GMT
hi,
 
 I've come across what seems to be quite a deep problem with my
understanding of ANT. When you declare a target is both conditional, and
that it has dependencies, the dependencies are executed first, and then
the condition is evaluated. So
 
    <target name="bake" depends="getFlour, getMilk, getYeast etc.."
if="user.hungry">
 
will go to all of the trouble of setting up the baking equipment even if
the user is not hungry. 
 
The workaround seems to be to create a wrapper target
 
    <target name="bake-wrapper" if="user.hungry">
        <antcall target="bake">
    </target>
 
or to locate and alter each of the dependent targets of "bake" and
duplicate the conditional on them.
 
Is this a misunderstanding of the intended use of the if/unless
attributes?
 
any help appreciated,
thanks,
Andrew
 
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