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From "David Knox" <dk...@esotericsystems.com>
Subject RE: Trying to get rid of makefiles
Date Thu, 24 Jul 2003 00:06:47 GMT
Hi Leonardo,
>From my experience using Ant for the past few years, I've found that Ant
will actually be faster because it calls the Java compiler once for all
files in a <fileset> whereas implicit rule processing in make will call
the compiler once per file. 

--hope this helps
 	dave

> -----Original Message-----
> From: Leonardo Abreu de Barros [mailto:leobarros@email.com]
> Sent: Wednesday, July 23, 2003 5:02 PM
> To: ant-user@jakarta.apache.org
> Subject: Trying to get rid of makefiles
> 
> Hi all,
> 
> I work in a company that has a long history using makefiles. Since I
> joined it, I proposed to migrate to Ant. Some people resist to
> changes, some people agree, as long as all benefits provided by the
> makefiles are covered by Ant.
> 
> I've already reproduced all behaviors but one: currently, all java
> classes names are declared explicitly in the makefile, and sent to
> the java compiler. It rebuilds all the class files, at each build.
> 
> They want this behavior in order to detect broken code, due to
> changes on a base class, for example.
> 
> The problem is that Ant, specifically the <javac> task, only
> recompiles ".class" if the timestamp differs from the related ".java"
> file. I've read on documentation that to detect this kind of broken
> dependencies, you should perform "clean builds" from time to time.
> 
> I proposed this solution, but it wasn't accepted. They think it's a
> loss of time (even if it's ridiculous) to delete all ".class" files
> before calling the compiler. If I'm not able to reproduce this
> behavior with Ant, they prefer to keep the makefiles.
> 
> Does anyone have any idea of how I could reproduce this behavior
> using Ant? Any other possible solution?
> 
> Thanks in advance,
> Leonardo Barros
> 
> 
> 
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