Am 2020-01-19 13:12, schrieb Oleg Hahm:
> Hi Philipp, > > On Sun, Jan 19, 2020 at 02:33:13AM +0100, Philipp Blum wrote: > >> I have a question regarding the license. >> If I use a closed source application in RIOT and I also use a RIOT >> specific API, does my application also become LGPLv2.1? I see the issue >> here in the header files. If I include them in my application, the code >> will be placed in my application before I compile everything. If the >> header files would be MIT, my code could still be closed, as long as I >> deliver my binaries with the open sourced RIOT code changed I made. I am >> right or do I miss something? > > I would refer to the LGPL license text itself here which seems to answer this > question as exact as possible: > > "When a "work that uses the Library" uses material from a header file > that is part of the Library, the object code for the work may be a > derivative work of the Library even though the source code is not. > Whether this is true is especially significant if the work can be > linked without the Library, or if the work is itself a library. The > threshold for this to be true is not precisely defined by law. > > If such an object file uses only numerical parameters, data > structure layouts and accessors, and small macros and small inline > functions (ten lines or less in length), then the use of the object > file is unrestricted, regardless of whether it is legally a derivative > work. (Executables containing this object code plus portions of the > Library will still fall under Section 6.) > > Otherwise, if the work is a derivative of the Library, you may > distribute the object code for the work under the terms of Section 6. > Any executables containing that work also fall under Section 6, > whether or not they are linked directly with the Library itself." > (https://github.com/RIOT-OS/RIOT/blob/master/LICENSE) > > As far as I know most (if not all headers) in RIOT should match the > requirements stated in the second paragraph quoted above. > > Cheers > Oleg Okay, thanks. Sounds good. But this is not a requirement for the PRs, right? So, one need to check the header files, before including them, right?
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