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From: Florian Weimer <fw@deneb.enyo.de>
Newsgroups: comp.lang.ada
Subject: Re: How to cache output of the compiler aka ccache
Date: Fri, 18 Mar 2005 15:41:27 +0100
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* Vinzent Hoefler:

> It obviously fails to recompile missing dependencies. From my tests
> it also seems to ignore file dates. So I'd say, the "Java Build System"
> is non-existent.

It's not specified by the standard.  Sun's implementation optionally
recompiles out-of-date dependencies, though.