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Re: [Fwd: Re: [Help-glpk] ANNOUNCEMENT: OptimJ solver link for GLPK/Java

From: Xypron
Subject: Re: [Fwd: Re: [Help-glpk] ANNOUNCEMENT: OptimJ solver link for GLPK/Java]
Date: Wed, 19 Jan 2011 19:56:05 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20101123 SeaMonkey/2.0.11

Hello Max,

what is the license status of the generated code? Can it be published under GPL or does it contain nonfree code or link to some nonfree library?

Dynamically binding non-free code to GPL code is not allowable under the GPL license. It would only be possible if the copyright holder chose to change the GLPK license. E.g. by adding the classpath extension ( or by changing the license to LGPL.

Best regards


Andrew Makhorin wrote:
-------- Forwarded Message --------
From: chtimax<address@hidden>
Subject: Re: [Help-glpk] ANNOUNCEMENT: OptimJ solver link for GLPK/Java
Date: Wed, 19 Jan 2011 05:48:23 -0800 (PST)

Hello Robie and All,

Accept my apologies for the confusion in my previous message as I am not
familiar with the terminology of free software. OptimJ is free in the
monetary sense (no money changes hands) but not free in the sense of the

Allow me to precise that OptimJ is a source-to-source generator (it takes
high-level modeling code and generates Java source code) that does not link
to any optimization library including glpk.


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