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Date:	Wed, 04 Apr 2012 01:11:54 -0500
From:	"Yaakov (Cygwin/X)" <yselkowitz AT users DOT sourceforge DOT net>
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Subject:	Re: GCJ related questions
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On 2012-04-03 23:59, Charles Wilson wrote:
> 1) Licensing. If you want to discuss this bit further, take it to the
> cygwin-licensing list. Now, ecj is under the EFL-1.0 license, which is
> OSI-approved. So, *cygwin* shouldn't have any license compatibility
> concerns, thanks to cygwin's "exception" clause in its version of the GPL:

A Java jar is not linked against Cygwin in any way, so that was never an 
issue.

> However, it's not clear whether the *gcc* folks are as happy about
> co-shipping ecj (if they were, then they would be doing it already).

You mean shipping their own copy of ecj?  Best practice is *not* to 
bundle code.

> So, stock gcc doesn't directly include ecj even though you'd need it for a
> working gcj (bytecode) compiler.

Of course not, it is meant to be handled like any other external dependency.

> 2) self-hosting. I seem to recall there was some issue with actually
> building ecj using cygwin-gcc/gcj, but the details are fuzzy. So there
> was some reluctance to include a "binary blob" we can't reproduce from
> source; better to let end-users d/l so they can blame "those guys" if
> they get a corrupt/malware version?

Now *this* is an issue.  Building ecj from sources requires ant, whose 
optional components add a lot of build-time dependencies.  However, it 
is possible with Ports' Java stack, which allows Ports to provide the 
java-ecj package.


Yaakov

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