Questions tagged [gpl-2]

Questions about GNU General Public License Version 2.

30
votes
4answers
7k views

Is illegally obtained GPLv2 software still subject to the terms and conditions of the GPL?

Let's say some company is developing a software component licensed under GPLv2. The company never intends to release the software to the public because they are only installing it on their internal ...
28
votes
4answers
10k views

Am I legally required to provide a (GPL licensed) source code even after a project is abandoned?

I plan to develop an application using an easy to use GPLv2 licensed libraries. Once my app is complete I plan to distribute it free and open source complying with GPLv2 copyleft requirements. The ...
19
votes
1answer
3k views

What are the differences between GPL V2 and V3 licenses?

One of the most widely used and most popular free and open source software licences is the General Public License. I want to know in simple terms: what are the differences between GPL Version 2 and ...
18
votes
3answers
2k views

How do I upgrade from GPLv2 to GPLv3?

Consider I've written a program and released it under the GNU GPL version 2. Now I want to release it under the GNU GPL version 3. Let's call this "upgrading the license". Is this possible? How do I ...
14
votes
2answers
3k views

Can I link a Apache 2.0 library into software under GPLv2?

The Apache 2.0 License has a built-in linking exception: For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to ...
12
votes
4answers
3k views

Is keeping the forking link on a true fork necessary (Github/GPL)?

This question is about a true fork (with new name, different features, different objectives and not targeting a pull request). When I am developing a new application based on an other project I ...
12
votes
3answers
369 views

Can Apple require users to accept the Xcode/iOS license to use git?

After launching an upgrade of XCode on a MacOS Sierra, calling git in a terminal suprisingly results in: $ git Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via ...
10
votes
4answers
284 views

Threatening with non-renewal of contract when users distribute the GPLv2-licensed software

Scenario: Bob develops patches for Linux. Because Linux is licensed under the GPLv2, these patches are also licensed under GPLv2. Bob distributes these patches only to people who have a contract ...
10
votes
1answer
2k views

Can I distribute unmodified GPLv2 binaries without the source code?

If I distribute someone else's unmodified GPLv2 software as a part of my product, what obligations do I have regarding source code distribution? Do I have to host the source independently and ...
9
votes
3answers
1k views

Does using a GPLv2 code generator force my project to be similarly licensed?

I use gSOAP to generate c++ code from wsdl in some project hosted on github and I am a little lost in the license compatibilities. Shortly I prefer to share my work without any license constraint, ...
9
votes
1answer
484 views

Is it legal to charge for distributing the source of a software which uses GPLv2 components?

A device I own uses BusyBox. BusyBox is licensed under GPLv2, hence, the software in my device must have a GPLv2 license. Now, the company says they make the source code available, but for a charge, ...
9
votes
2answers
2k views

If my R package uses GPL packages, does mine automatically inherit GPL?

I've built an R package that uses a mix of libraries licensed under GPL-2 and GPL-3. From what I've read, because of this dependency, my package will also have to be GPL. See here: https://www.gnu....
8
votes
3answers
2k views

Is it allowed to dynamically link a GPL licensed library for commercial use?

I would like to use a dynamically linked library with GPL V2 license for adding remote support to my existing C++ application. I use the library without modifications of the library code. Do I need ...
8
votes
1answer
293 views

Is an 'un-modifiable' linux a violation of GPLv2?

I have a D-Link DIR-816 router that runs a 'trimmed-down' version of BusyBox v1.12.1 running a linux kernel version 2.6.36 (linsongdeng@gj222d.gj.com) (gcc version 3.4.2) #35 Wed Sep 23 17:23:58 CST ...
8
votes
1answer
3k views

Is it legal to Bundle OpenJDK + HotSpot with a closed source application?

As per my understanding, OpenJDK itself is licensed under GNU General Public License, version 2, with the Classpath Exception which should be no issue for bundling with closed source application. ...
8
votes
1answer
203 views

Does GPLv2 prohibit torrenting Linux ISOs?

According to Richard Stallman: Likewise, in 2006 we learned through the GPL version 3 commenting process that downloading binaries of GPL-covered programs with BitTorrent violated GPL version 2, ...
7
votes
2answers
105 views

What is the status of in-app-purchasing code in a GPLv2 app? [generic app store]

I wish to develop a computer game and the engine I have chosen is ioquake3. This engine is licensed under GPLv2. Needless to say the game's source code will itself will, in turn, be licensed under ...
6
votes
2answers
192 views

Can I change the license of a GPL derived work to be more restrictive regarding version upgrades?

Specifically, the GPLv2. The creator of a work can allow people to upgrade to a higher GPL version: (emphasis mine) This program is free software; you can redistribute it and/or modify it under ...
6
votes
1answer
345 views

How can a GPLv2 dependency affect licensing of adjacent components that form an aggregate project?

I've read some of the GPL questions on here that seem relevant, but I haven't found an understandable answer for my particular case. I'll note them here for reference. When does a dependency imply a ...
6
votes
1answer
429 views

Using GPL licensed library over a service for non-GPL softwares

I want to use a GPL v2 licensed library(esper) for commercially distributed non-GPL softwares but I need to make sure non-GPL software not violate GPL license. Can I use this library indirectly using ...
6
votes
1answer
431 views

CDDL1 and GPL2 + classpath exception incompatible with GPL3?

I am about to decide on the license I can attribute to my free-libre open source software (FLOSS). I have used the Stanford Core NLP released as GPL3+. I have also used the JAXB API which, although ...
6
votes
1answer
86 views

Do the rights of the developer supersede the rights granted to the end user by the GPLv2 License?

I'm currently involved in a debate on GitHub surrounding a project that is 'GPLv2' licensed and has recently made a change to it's platform requiring new build scripts to be published in order to ...
6
votes
1answer
270 views

GPL v2 and proprietary extensions

I am trying to understand when do the GPLv2 spreads from a program to its extensions and vice versa. Everything I've read seems to say that if you use a module (shared library or any other "tightly ...
6
votes
1answer
144 views

Can I create a GPL licensed server and use it in a commercial product?

I have an commercial embedded device which uses linux as OS and I would like to add remote support to my commercial application on the device. I would like to use a dynamically linked library with ...
5
votes
1answer
248 views

Can I make a derived work of a GPL project and a non GPL project for personal use?

In the GNU General Public License, version 2, some limits on how you can modify the Program are listed. Point 2.b states that (emphasis mine): You must cause any work that you distribute or publish,...
5
votes
1answer
494 views

If software requires a modified (linux) kernel to function, is it considered a derivative work of the linux kernel?

I'm writing a userspace driver which requires some modifications to the Linux kernel to function. The modifications expose new functionality by the sysfs interface. I understand that the ...
5
votes
1answer
229 views

How should I mark a source file with GPLv2 as a derivative work?

I want to include a file with GPLv2 license in my project (which is also GPL, so there are no worries there). The file starts with a copyright line, and the license information. I'll be making ...
5
votes
1answer
82 views

Does redistributing an unmodified copy of rt.jar from OpenJDK7 using an MIT license violate the GPLv2 with Classpath Exception?

I am considering redistributing a copy of the rt.jar file available within the OpenJDK Zulu distribution within my GitHub project repository which is licensed on a project basis using the MIT license. ...
4
votes
2answers
1k views

GPLv2 - licensing for commercial use

I have a few questions regarding the GPLv2 license: For it to be GPLv2, I need provide access to my source files? If I use the v2 license, but charge for use, do users HAVE to purchase my license in ...
4
votes
2answers
87 views

Preventing a company in GPLv2 license

Is it possible to prevent a specific company or specific employee in that company from using an open-source project that uses GPLv2 license? To give more details, the project is based on another open-...
4
votes
2answers
169 views

Can library that took parts of library licensed under GPL with Classpath Exception be licensed under MIT?

I've spotted the library (library M) where developers took some source files from GPL with Classpath Exception licensed library (library G), included them in their project and changed namespaces and ...
4
votes
1answer
46 views

I want to rewrite the GPL-2 software with AGPL-3.0

I would like to recreate Judge Engine of Online Judge named HUSTOJ. However, HUSTOJ was released under the GPL-2.0 license. I would like to release a new Judge Engine with AGPL-3.0. I know that GPL-...
4
votes
1answer
1k views

OpenJDK vs OracleJDK Licensing?

This answer on Stack Overflow states that the OpenJDK is licensed under GPLv2 yet the OracleJDK has a different license? My understanding of GPL was that if they used the OpenJDK sources, they would ...
4
votes
1answer
417 views

Bundling JetBrains OpenJDK in closed source software

I am developing a software that comes bundled with JDK. I am planning to use JetBrains OpenJDK for this purpose as it comes with swing support for HighDPI monitors. JetBrains OpenJDK can be found in ...
4
votes
2answers
193 views

Closed source plugin for a GPLv2 application

I wrote a library that is indeed a subclass of QTreeView. So I can easily attach it to any Qt application that uses QTreeView. I want to patch a GPL application (GPL_APP) in a way that it searches ...
4
votes
2answers
709 views

Can license-incompatible program communicate with GPLv2 program via websocket?

I'm writing a program for automation under a license that is incompatible with GPLv2 (it's dual-licensed: GPLv3/Proprietary). Let's call it my automation program. And there is third party GPLv2 ...
4
votes
1answer
58 views

Does GPLv2 allow removing link to original work and adding limitations?

I am a new software developer, so I tend to have works with many open source project on the Internet. I have a few question about the GPL licence, can someone help me to understand them, and if ...
3
votes
1answer
77 views

Is this restriction of Cheerp community edition in violation of GPLv2?

As I understand, Cheerp is a tool in a similar way it is GCC, licensed with GPLv2. The license applies to the work reached by the copy rights, but not for use restrictions. So, as long as one does ...
3
votes
2answers
100 views

Does modifying and using a GPL program on a single hardware makes all the project GPL?

I had a bit of a chat at work concerning an ongoing project and I wanted to ask about it to a community who knows about GPL. I’m far from being an IT specialist (and a licensing specialist also) so ...
3
votes
2answers
123 views

Plugin (consuming GPL V2 licensed binaries) for main application (not GPL)

I want to write a plugin for a software that will not be licensed with GPL. However as this plugin needs to communicate with OPC, I wanted to use the .net standard OPC stack. This 'program' is ...
3
votes
2answers
372 views

Can I use non-gpl library in GPL2 application?

I have my own GPLv2 licensed application. It uses GPLv2 library (it has many authors, including me). In addition, I link to my application another proprietary library (I am the only author) in which I ...
3
votes
3answers
90 views

Must a plugin for a GPLv2 work also be GPLv2?

I would like to develop an addon/extension plugin for an existing WordPress plugin, to add some premium features, but the base plugin's source-code is under GPLv2, which makes me doubtful... Is any ...
3
votes
1answer
34 views

Can I use separate license for commercial use?

I would like to create a REST API in my server that internally use a GPL library. As far as I know the GPL license affects the 'distribution' not the 'usage'. -So whoever calls(uses) my REST API ...
3
votes
1answer
37 views

Embedding code using API of GPL library in tutorial website

I want to make a commercial tutorial website that will teach people to use GPL-licensed R packages in a series of articles. The website will not execute the code, but will show people the output of ...
3
votes
2answers
66 views

Should I distribute the source code of the build tools for a Linux distribution

If I want to distribute a GNU/Linux distribution as a .iso, I must : Distribute the source code of the Linux kernel Distribute the source code of any GPL (or some other license) package included in ...
3
votes
1answer
125 views

Binary patches to a GNU GPLv2-licensed executable

I have a library released under a license incompatible with the GPL. That library adds some critical feature to the GPL program that I want to modify. And I also want to make the result available to ...
3
votes
1answer
99 views

GPL2 license header usage in individual files

Im preparing to open source some code Im been working on, and have decided for the GPL2 license. Im wondering what the proper way is to mark code as licensed with this license. looking at the Linux ...
3
votes
2answers
119 views

Using a tool under GPL v2 in a commercial application

I have read many articles on GPL v2 licensing and I understand the main idea - when one uses a library or piece of software that is GPL-based, then the software, generally speaking, must become GPL as ...
3
votes
1answer
78 views

Can software licensed under the GPLv2 be included in GPLv3 software?

I'm writing a database library in Java which is licensed under the GPLv3, and I want to include the MySQL JDBC driver in it, which is licensed under the GPLv2. Are there any restrictions stopping me ...
3
votes
1answer
278 views

When do I have to make GPLv2 source code available

This is a follow up question from here. Since I'm allowed to delay the distribution of the binary and source code as long as I provide the source code eventually. This makes me wonder if that does ...