Cheat Engine contains GPL-licensed code but disallows commercial use

• cheat-engine

  169 13,574 8.6 Pascal

  Cheat Engine. A development environment focused on modding

* libtcc is licensed under LGPL, as can be verified by downloading the source [2]. The bulk of the alleged violations come from the vendored version of this project.

* il-opcodes.h [3] is included in libtcc, but has a GPL license in the header. As the GPL license author is the author of libtcc (Fabrice Bellard), this seems like a mistake in that single header and the general license of the project should take priority. An author of source code is allowed to relicense their own code to whichever license they wish, after all, even if the original license used to be the GPL.

* texi2pod.pl [4] is licensed under GPL, but as it is a single perl script it does not link to the main cheat-engine program, which means the GPL does not extend to the rest of the cheat-engine project.

* LuaSyntax.pas and SynHighlighterAA.pas [5] are dual licensed under MPL, so are not violations to begin with.

* The other linked file (obsolete_ntifs.h [6]) has since been deleted and was not in use to begin with (and hence never linked to the actual project).

Unless I am missing something, none of these allegations seem to hold any water. It mainly seems to boil down to the author of libtcc making a sloppy license mistake in a header (likely copy-pasting licenses around incorrectly).

[1] https://github.com/cheat-engine/cheat-engine/issues/60#issue...

[2] https://bellard.org/tcc/

[3] https://github.com/cheat-engine/cheat-engine/blob/master/Che...

[4] https://github.com/cheat-engine/cheat-engine/blob/8bdb7f28a9...

[5] https://github.com/cheat-engine/cheat-engine/blob/5d595d7fce...

[6] https://github.com/cheat-engine/cheat-engine/blob/e38c7997c9...

• tinycc

  1 167 3.5 C

  http://repo.or.cz/tinycc.git (by mirror)

  

> * License as published by the Free Software Foundation;

LGPL, not GPL.

No shady stuff going on either, https://github.com/mirror/tinycc/blob/mob/tcctools.c sais the same thing.

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