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From "Leonidas Fegaras (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LEGAL-177) About using third-party software under GPL
Date Sat, 07 Sep 2013 16:52:51 GMT
Leonidas Fegaras created LEGAL-177:
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             Summary: 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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