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From "Brown, Carlton" <>
Subject RE: Subdirectory problem/always recompiles
Date Sat, 19 Nov 2005 00:43:04 GMT
> -----Original Message-----
> From: Brown, Carlton
> Sent: Friday, November 18, 2005 6:15 PM
> To: Ant Users List
> Subject: Subdirectory problem/always recompiles
> 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
> I can't change the dir structure, so I've tried to work around this
> 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.

I stumbled on a solution that worked for me, using multiple path entries
as attributes of the <javac> task.  

The solution fragment looks like thus (assuming the project basedir
contains the directory gadget):

<javac srcdir="gadget/alpha:gadget/beta:gadget/gamma"

I didn't know you could do this, but this prevented the second compile
for me.  Thanks to those who responded.

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