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From "Brown, Carlton" <Carlton.Br...@BellSouth.com>
Subject RE: Subdirectory problem/always recompiles
Date Sat, 19 Nov 2005 00:16:03 GMT
> -----Original Message-----
> From: Matt Benson [mailto:gudnabrsam@yahoo.com]
> Sent: Friday, November 18, 2005 6:32 PM
> To: Ant Users List
> Subject: Re: Subdirectory problem/always recompiles
> 
> --- "Brown, Carlton" <Carlton.Brown@BellSouth.com>
> wrote:
> 
> > I've got a situation where the directory structure
> > of the source code
> > doesn't exactly correspond to the package structure,
> > and therefore the
> > javac task always recompiles.   Due to a number of
> > policy considerations
> > I can't change the dir structure, so I've tried to
> > work around this with
> > some clever mapping and globbing.   I couldn't come
> > up with a solution
> > so I thought I'd bring it here.
> >
> >
> >
> > Here's my source directory hierarchy:
> >
> >  src/gadget/alpha/com/company/foo
> >
> >  src/gadget/beta/com/company/foo
> >
> >  src/gadget/gamma/com/company/foo
> >
> >
> >
> > here's the output class hierarchy:
> >
> > classes/com/company/foo
> >
> >
> >
> > And to make it more difficult, the files in the 3
> > subdirectories all
> > depend on each other.
> >
> >
> >
> > What's the correct way to write this so that it
> > compiles only when the
> > target is not up to date?
> >
> >
> >
> > Sorry if this is a trivial question, I admit I'm new
> > to the product and
> > am having some trouble with it.
> 
> This buildfile works fine for me for your "situation."
>  ;)
> 
> <project default="build">
>   <property name="build.dir" location="classes" />
>   <property name="srcg" location="src/gadget" />
>   <path id="srcpath"
> 
> path="${srcg}/alpha:${srcg}/beta:${srcg}/gamma"/>
> 
>   <target name="clean">
>     <delete dir="${build.dir}" />
>   </target>
> 
>   <target name="build">
>     <mkdir dir="${build.dir}" />
>     <javac destdir="${build.dir}">
>       <src refid="srcpath" />
>     </javac>
>   </target>
> </project>

Matt, if you use this build file and run the same target twice, does it
recompile the second time you run it?  I tried your solution and it
recompiled for me, and the second recompilation is what I'm trying to
avoid.  Just confirming that we're both talking about the same problem.


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