Questions tagged [gpl-2]

Questions about GNU General Public License Version 2.

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What does GPLv2 say about adding or removing source files?

GPLv2 requires, when redistributing modified version of the source code, to notify in the source files the date of change. But what about removing source files? Is there any requirements of notifying ...
4 votes
2 answers
59 views

What are the licence implications of including comments from code licensed under GPL v2 in my own code?

I have written a Java class Sequence that presents a similar interface to Stream, but with some changes. For convenience I copied the Javadoc comments from Stream, adapting them as necessary for my ...
8 votes
4 answers
6k views

Why it is not possible to create a proprietary fork of GPL?-or-later software?

Let's assume there is a project under GPL2-or-later license. My understanding is that anyone can take the project and make a fork with GPL2-only additions. They could also take the project and make a ...
31 votes
4 answers
15k 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 ...
2 votes
0 answers
52 views

Under what conditions can Microsoft's Universal C Run-Time be linked GPLed programs?

In the past, and the practice still continues, programs covered by one of the GNU licenses, such as utilities from the GNU Project, have been ported to Microsoft Windows by linking to the MSVCRT.DLL ...
2 votes
0 answers
59 views

Can I use GPL 2+ (CKEditor v5) on a website with paid subscription?

I am creating a website on a platform - similar to WordPress - where the access to the website will be via paid subscription. I am selling to the end user a service. It is like I would replace ...
2 votes
0 answers
47 views

Change copyright author after forking GPL v2 code? [duplicate]

Say I fork the source code here, modify the code, and finally distribute the source code and the derived work. Can I change the copyright notice at the top from # Copyright 1999-2022 Gentoo Authors # ...
9 votes
1 answer
1k views

Does reimplementing GPLv2 code in another language create a derivative work that also falls under the GPL?

I am now working with some ~2005 C CLI code, licensed as GPLv2-only. I hope to do the following things: Port the code to a more recent environment (e.g. port to Ubuntu 22.04) (I only do this to try ...
0 votes
0 answers
149 views

Include MySQL Connector/J in a commercial product [duplicate]

There are a few questions about MySQL licensing already out there, but none of them have a definitive "yes" or "no" answer, so with the risk of being flagged as "duplicate&...
1 vote
0 answers
74 views

If you use one file which has a GPL license, should all files get such a license?

I have some code of which I don't care that much about. That what I host online, has no license and as such should be in the public domain. Some projects contain files with: GNU Lesser General Public ...
4 votes
2 answers
205 views

How to embed a proprietary driver with Linux on a device?

We are a manufacturer of CNC controllers devices (computer numerical control): this is a special type of computer designed to control Mills, Lathes, etc. We would like to add a new range of devices ...
2 votes
1 answer
106 views

Using a library with triple-license from a private application

We are analyzing the possibility of using JRuby library for some maintenance tasks in a private closed-source application that we are selling to a customer. According to the license information on ...
7 votes
1 answer
1k views

GPL-2 licensing and commercial software (what rights has the licensee)?

I wanna use a GPL-2 software library which is distributed in two flavors: GPL-2 and a proprietary license. The proprietary license is very expensive though. Currently, there are no real commercial ...
6 votes
1 answer
800 views

Can I modify a GPLv2 licensed kernel module without having the rest of my software GPLv2?

The company that I work for, develops a Linux-based in-house distro, which powers some hardware-based equipment. The project that I am working on, has some proprietary kernel modules, and proprietary ...
4 votes
1 answer
75 views

Dockerization; licenses of dependencies MIT, GPLv2

I created a program with two dependencies DepA and DepB. DepA is published under GNU GENERAL PUBLIC LICENSE Version 2, June 1991 and is called as an external program DepB is published under MIT ...
2 votes
1 answer
592 views

GNU GPL license in libraries in python requirements [duplicate]

I have developed a python script that makes use of a package hosted in PyPI. My code basically imports this package and uses some of its functions, together with some more functionality I developed. ...
-1 votes
1 answer
221 views

Closed source project based on OpenVPN/OpenSSL

Using code base of OpenVPN (GNU GPLv2 license) in proprietary closed source project is under consideration. OpenVPN uses OpenSSL (Apache License 2.0). Changes in OpenSSL are needed only (OpenVPN will ...
2 votes
1 answer
63 views

Should the artwork attributed to third-parties and the derivatives of it be assumed proprietary or GPL in GPL software?

I want to reuse with attribution (and publish) a raster graphics file from GPL software. At the moment, I consider reusing either the software icon file or the software logo file. The latter is a part ...
1 vote
1 answer
226 views

Best way to release a Nuitka-compiled software?

My question would be: If I wrote software in Python and compiled it with Nuitka and would like to publish it under either the GPL v2 or MIT license for others, should I also attach the original .py ...
8 votes
2 answers
2k views

Does modified server code, used in public website development, which is originally available under GPL2 have to be released to the public?

To be precise, I am referring to MySql source code which is available under GPL2. I want to make certain modifications in the code which is actually for some custom requirement. The modified MySql ...
8 votes
1 answer
904 views

Incorporating GPL3 code into a GPL2 project

I have a GPL3-licensed program that supports a specific line of hardware. There is a GPL-2 program that supports a lot of hardware similar to the one I support. It was suggested to me that this other ...
1 vote
1 answer
193 views

License change for Derivative Works of Apache-licensed software, and GPLv2 compatibility

Section 4 of the Apache License v2.0 states: You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, ...
3 votes
1 answer
366 views

Can I create my own exception to the Apache license? Is it good practice?

The Apache License v2.0 is incompatible with GPLv2. Instead of dual-licensing or using the LLVM Exceptions, I am thinking of defining an exception to the Apache license that is similar to what is ...
2 votes
1 answer
111 views

How to comply with GPL-2 when selling aggregate hardware with Linux?

Suppose I sell a robot, which contains Raspberry PI. Or somebody sells a workstation, which contains a PC and Monitor and WiFi router, each running Linux inside. Or a car workshop sells cars with ...
2 votes
1 answer
68 views

Issues with contributing the same code to projects who only accept different licenses

I made some cool code that I want to contribute to both Android Open Source Project (AOSP) and other Linux distos, and perhaps even upstream at the Linux Kernel. The problem is that AOSP says that ...
0 votes
1 answer
210 views

How can Apple distribute Bash (and other GPL v2 software) with macOS? Is it not a derivative work?

And how could they license Darwin as APSL if based on GPL v2 software? See
4 votes
2 answers
6k 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
1 answer
286 views

Bug in FFmpeg build allows GPL filter use from an LGPL build can I distribute FFMPEG as LGPL

I have build ffmpeg (4.3) libraries configured for LGPL on multiple OS's looking to be called from my own code using ffmpeg filters to deinterleave video. below is the configure command. ./configure --...
3 votes
1 answer
194 views

Complying with MySQL GPLv2

Consider the case of MySQL. This software is Dual-Licensed, of which, one license is GPLv2 the other is a somewhat costly enterprise license. Given the following criterion, what are my obligations? I ...
32 votes
1 answer
5k views

Why does GPLv2 include a mailing address (51 Franklin Street) in the license notice?

The last paragraph of the GPL v2 notice reads: You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 ...
3 votes
2 answers
455 views

Tivoization and the GPLv2

I have seen several questions on this site regarding tivoization, and how the GPLv3 can prevent it. However, for my particular use case, the GPLv3 actually seems to be more permissive than the GPLv2. ...
6 votes
4 answers
3k views

Could a license that allows later versions impose obligations or remove protections for licensors in the future?

If a project is licensed under GPL-2.0-or-later/MPL1.*, to what extent could the FSF/Mozilla releases a new version that imposes obligations or removes protections for licensors? Some examples: Could ...
-1 votes
1 answer
130 views

Using Linux Kernel Bits in a Apache License v2 software

On a project with an Apache License v2 I intent to include a (heavily) modified source file of the Linux kernel, the file in question is list.h. I am aware that the Linux Kernel is GPL v2 meaning that ...
7 votes
1 answer
1k views

Can I convert an Apache 2.0 project to GPLv2

I found a project on GitHub that I really liked, and have since forked and modified it. It's currently licensed under Apache 2.0. Can I release my modified project as a project with a new name under ...
3 votes
3 answers
458 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 ...
2 votes
0 answers
66 views

Using Apache 2.0 libraries to test GPL 2 library

I'm making a library which is a derivative work of openjdk that's released under GPL 2.0 with Classpath Exception, so my library is obviously GPL 2.0+CE too. I'd like to write tests for my library ...
2 votes
1 answer
427 views

Confused about GNAT's contradicting licensing terms

After researching GNAT's Ada compiler licensing, I'm very confused. I understand AdaCore's GPL 3 license requires distributing the source if it's linked to the runtime, while FSF's GPL 1 offers an ...
5 votes
1 answer
358 views

Is this flutter plugin wrongly licensed under MIT?

I've found a flutter plugin on pub.dev that is licensed under MIT, but in its build.gradle for Android building it references another library that seems to be a fork of a GPLv2 library. In turn, I ...
6 votes
2 answers
2k views

Is database migration script covered by GPL?

I am using a product whose code is covered by GPL2. All fine except that when a major update is released, it relies on database changes which are effected by a script (sometimes hundreds of lines long)...
24 votes
3 answers
9k 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 ...
2 votes
1 answer
413 views

Using copyleft software (GPL v2) and distribute it with proprietary software

My case: My app is proprietary full-stack server app that will be distributed as closed source. I want to package my app into an VM. The VM have Ubuntu installed which contains Linux (GPL v2 licensed)...
3 votes
1 answer
165 views

License for Windows Forms Application in C++/CLI and MySQL

I have built an application using Windows Forms Desktop Application in C++/CLI, I am also using NuGet Package for MySQL.data as well as I am using MySQL code for the application. I need to add a ...
15 votes
5 answers
3k views

Am I allowed to convert some functions from a GPLv2 project and use it in a commercial project?

I have a very vague impression regarding the GPLv2 license that any project which borrows code from a GPL project needs to be open source too. Now I have a situation that I read part of a GPL project'...
1 vote
0 answers
109 views

Are works created using GPLv2 licensed code considered derivative of the code? [duplicate]

Consider that I write some code which generates 3D models, and release it using the GPLv2 license. Someone else then sees value in my code but wishes to change it and so they modify it to their ...
9 votes
2 answers
578 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, ...
4 votes
1 answer
1k views

Why GitHub is not opensource when it's use Git that has GPLv2 license?

I have this question after what happened when Microsoft bought GitHub. But GitHub core is not git? I know that when you use a GPLv2 in your program you must have to give your program the same license. ...
2 votes
1 answer
493 views

What is the difference between Oracle JDK and OpenJDK

I'm fairly new to Java programming and I've recently read this article from Oracle(from September 2018). https://blogs.oracle.com/java-platform-group/oracle-jdk-releases-for-java-11-and-later. What ...
1 vote
0 answers
44 views

How does software licensing works for Docker Images on commercial usage? [duplicate]

I want to develop and share an application for commercial usage (closed source only). This application only "lives" inside a Docker Image. This Docker Image is based an own Dockerfile which ...
6 votes
1 answer
383 views

FFmpeg, libx265 and GPLv2/3 binary distribution

I have a question regarding FFmpeg binary distribution and libx265 and GPLv2/3 The FFmpeg documentation says that libx265 is GPLv2-or-later - https://www.ffmpeg.org/general.html#x265 - but the x265 ...
2 votes
1 answer
328 views

How do I license my code that needs to include code under 'GPLv2 only', 'GPLv3' and 'BSD 3'?

If I understand the table (mentioned at https://www.gnu.org/licenses/gpl-faq.html#AllCompatibility) correctly, I can use either 'LGPLv2.1 only' or 'LGPLv2.1 or later' for my code if I want to include ...

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