Questions tagged [lgpl]

Use this tag for questions about the GNU Lesser General Public License, how to apply it, or how to re-use works under this license

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FFMPEG License as a separate library

I am currently writing a video project using FFMPEG shared library with other license abiding projects (like libass and freetype2). I have a script that compiles FFMPEG and the other libraries as a ...
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91 views

Creating a wrapper library for LGPL code and distribute the used LGPL code as its own library?

I've been working on a proof of concept prototype for my company. The libraries for the board I've been using are licensed under the LGPL. We've been happy enough that we're now considering using this ...
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167 views

Usage of a part of a EPL library in LGPL or Apache 2 project

As I understand it, I am allowed to link a eclipse licensed jar to an LGPL or Apache 2 licensed open source project, without to change the projects license. Correct me if I am wrong. The question is,...
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38 views

How to include license information for library that imports LGPL licensed library?

I have made a python library that imports an LGPL licensed python library. My library does not modify the LGPL library, but it cannot operate without the import. Is my library a "combined work&...
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11 views

Does an LGPL licensed library (assembly) prevent its usage in a .NET 5.0 single file deployment?

.NET 5.0 introduces single file deployments, https://docs.microsoft.com/en-us/dotnet/core/deploying/single-file. The LGPL, https://choosealicense.com/licenses/lgpl-3.0/, section 4 requires that ...
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92 views

License of QtCore in Qt 5.6: LGPL v2.1 or LGPL v3?

In the headers of QtCore 5.6 it says: -- clip -- ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License ...
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13 views

LGPL v 2.1 + Linking Over Controlled Interface

I use (nrjavaserial) library in a java application. This library is released under the LGPL v 2.1 + Linking Over Controlled Interface license. I have two questions: If the implementation falls ...
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0answers
74 views

Which license to use LGPL-3.0, MPL-2.0 or AGPL-3.0 for a library that manages files locally?

I'm open-sourcing a library that tries to make managing local files easier by enabling full text search, encryption, corruption handling & remote transfer/distribution of files. What license to ...
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117 views

Redistributing LGPL source code or GPL packages on a BSD Licensed package

I have a python project licensed under BSD-License. On its bottom I use a source code written in C++ which is licensed as LGPL and I have an optional dependency on a python package licensed under GPL. ...
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232 views

What happens when someone merges Apache 2.0 and LGPL libraries into a GPL-2 derivate?

I used a PHP library, which in turn is elementary based on libraries published with an Apache 2.0 license and a LGPL license. The author himself has published his library under a GPLv2 license. ...
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197 views

Building programs using qmake

Can I use qmake to build Non Qt programs with a closed source or MIT licence? The c++ code that I'm building does not include any Qt headers or link to any Qt libraries. The only mention of Qt in ...
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0answers
323 views

libquadmath in binary code

I'm developing a small closed source library in C++ for a small company using gcc. For the numerics part I need 128bit floating point arithmetics. This leads gcc to pull in libquadmath. As far as I ...
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68 views

“Free” licenses understanding and workaround for a simple java app

I'm developing a java app with my hands and feet. I intend to share it with people and it may become commercial. He who knows can write it all down in notepad but I have been using Eclipse. The ...
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1answer
499 views

Can I change my Qt project license?

I have non-commercial Qt license, but I need a static compilation option because as I know, my program needs many DLL files and I want to have the possibility of running my program on another machine ...