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From "Lawrence Rosen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LEGAL-177) About using third-party software under GPL
Date Sat, 07 Sep 2013 18:47:51 GMT

    [ https://issues.apache.org/jira/browse/LEGAL-177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13761096#comment-13761096
] 

Lawrence Rosen commented on LEGAL-177:
--------------------------------------

Does anyone here know what this actually means:

   The code generated by JFlex inherits the copyright of the 
   specification it was produced from. If it was your specification,
   you may use the generated code without restriction. 

It is gibberish to me, and of no obvious legal effect.

If we ignore this nonsense preamble, this software seems to be just a GPL plug-in with no
viral effect whatsoever on Apache code. If we actually distribute this plugin, we will have
to include in our NOTICE file the exact notices required by the Maven JFlex Plugin license.

/Larry
                
> About using third-party software under GPL
> ------------------------------------------
>
>                 Key: LEGAL-177
>                 URL: https://issues.apache.org/jira/browse/LEGAL-177
>             Project: Legal Discuss
>          Issue Type: Question
>            Reporter: Leonidas Fegaras
>
> Apache MRQL (incubating) is planning to release its first release soon and we want to
check if the third-party software that we use has compatible licenses. Our current NOTICE
file is included below. My question is about JFlex and maven-jflex-plugin. They both have
Gnu GPL licenses which are not compatible with Apache License 2.0. But JFlex license indicates
"The code generated by JFlex inherits the copyright of the specification it was produced from.
If it was your specification, you may use the generated code without restriction." We simply
use JFlex to generate code (scanners). Can we use this software in MRQL?
> Thanks you
> Our NOTICE file:
> Apache MRQL
> Copyright 2013 The Apache Software Foundation
> This product includes software developed at
> The Apache Software Foundation (http://www.apache.org/),
> including, but not limited to:
>  - Apache Hadoop
>  - Apache Hama
>  - Apache Spark (incubating)
> Apache MRQL Subcomponents:
> The Apache MRQL project contains subcomponents with separate copyright
> notices and license terms. Your use of the source code for the these
> subcomponents is subject to the terms and conditions of the following
> licenses. 
> This product includes/uses JLine (http://jline.sourceforge.net/),
> Copyright (c) 2002-2006, Marc Prud'hommeaux <mwp1@cornell.edu>.
> Project License: http://jline.sourceforge.net/license.html
> This product uses JFlex - The Fast Scanner Generator for Java (http://jflex.de/)
> Copying, Warranty & License: http://jflex.de/copying.html
> This product uses the Maven JFlex Plugin (http://jflex.sourceforge.net/maven-jflex-plugin/)
> Project Licence: http://jflex.sourceforge.net/maven-jflex-plugin/license.html
> This product includes/uses the CUP Parser Generator (http://www2.cs.tum.edu/projects/cup/)
> Copyright 1996-1999 by Scott Hudson, Frank Flannery, C. Scott Ananian

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