Questions tagged [linked-libraries]

For questions concerning the use of linked libraries such as DLLs and linked JARs.

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23
votes
4answers
1k views

What are the arguments for considering dynamic links not to constitute derivative works?

The status of programs which are dynamically linked with Copyleft licensed binaries (such as a .dll) is contentious. I have created two questions for each side of the debate. The other can be found ...
15
votes
2answers
1k views

What are the arguments for considering dynamic links to constitute derivative works?

The status of programs which are dynamically linked with Copyleft licensed binaries (such as a .dll) is contentious. I have created two questions for each side of the debate. The other can be found ...
85
votes
5answers
40k views

Can I use GPL libraries in a closed source project if only the output is distributed?

If I create a closed source application which uses some GPL licensed libraries but don't actually distribute the software, only its output, can I keep the software closed sourced? Specifically, I am ...
4
votes
1answer
501 views

Does AGPL introduce a new type of linking?

I understand that using AGPL (specifically AGPL-3-or-later) means: all the linking rules from GPL-3-or-later still apply additionally, a user accessing the software over a network should have access ...
12
votes
3answers
5k views

When is my project a derivative work in an interpreted language?

With compiled languages, I understand when a work is considered derivative of another and thus, a license such as the GNU GPL covers the whole work. However, with interpreted languages such as PHP or ...
7
votes
2answers
2k views

Can I use a proprietary library in my GPL'd program?

The case of proprietary programs linking to GPL'd libraries has been discussed thoroughly. However the inverse case - a GPL'd program is linking to a proprietary library - is rarely mentioned. ...
17
votes
1answer
6k views

Using GPL library with MIT licensed code

Let's say I created a project containing hundreds of source files under the MIT License (most of which I wrote myself for this project). Now I want to add a GPL library to the project, that will be ...
9
votes
3answers
5k views

Linking from LGPL 2.1 software to Apache 2.0 library

The FSF claims that GPL v2 is incompatible with Apache 2.0 and that linking to a library generally creates a derivative work of this library. However, the linking exception of the LGPL allows ...
15
votes
2answers
4k views

Do I have to release my code as GPL when a Java Library is GPL

I have found a Java library that can be used under the GPL licence (not the LGPL licence). Can I embed the library in my program without the requirement of using the GPL licence? I have no ...
11
votes
4answers
3k views

Calling GPL'd programs from a shell script

I have a program written in a shell language that consists of several shell script files. Some of these files execute external commands that have been licensed under GPL. Do I have to release my ...
11
votes
2answers
3k views

Can I license Python project under 3-clause BSD while it has GPL-based dependencies

I'm working on an open source Python project and we have plans to use GPLv2-licensed library python3-xlib, but we will not distribute it with our library. So user can install it by pip install our-lib ...
10
votes
1answer
1k views

Why is the definition of “System Libraries” in GPLv3 phrased the way it is?

I'm curious about the definition of "System Libraries" The “System Libraries” of an executable work include anything, other than the work as a whole, that (a) is included in the normal form of ...
9
votes
2answers
221 views

Can I release my plugin scripts as open source if they rely on a proprietary API?

I write scripts for a commercial GIS package (ArcGIS) using Python and the GIS package software API (Arcpy). I had been thinking about putting the scripts that I create on GitHub under an MIT licence ...
4
votes
1answer
90 views

Distributing LGPL library (OpenAL) as part of the MIT licensed game engine

Background: I'm writing a game engine (a set of libraries actually) that simplifies game development with C# language (OK it is yet another game engine :). My plan is to make it as free as possible. ...
3
votes
1answer
853 views

Can Public Domain use GPL licensed library/program?

A similar question already asked here (https://softwareengineering.stackexchange.com/questions/159023/can-cc0-code-use-a-gpl-library) but my question is a little bit different, perhaps more accurately....
3
votes
1answer
547 views

Can I use proprietary library in a GPL-Compatible library loaded on a gpl Program?

I am asking mainly to be sure. To describe it better, I want to use some external functionality that is available through a proprietary library. Since the library IS NOT compatible with GPL Programs, ...
1
vote
1answer
87 views

Collective work using a GPL library

Assume I have a python script that runs a GPL library binary through command line (through os.system('GPL call') and then analyze the output (which comes from the terminal). Is that a collaborative ...