Re: LGPL v3 compatibilty (original) (raw)

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ATTENTION: I am currently NOT in Strasbourg because

haveing the last 4 weeks of my military

service and can not reply in short delays.

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Hello *,

Am 2007-07-01 16:38:56, schrieb Francesco Poli:

On Sun, 1 Jul 2007 13:58:08 +0200 Andreas Metzler wrote:

[...]

LGPLv3 libraries could not be used in GPLv2-only programs.

I'm afraid that this incompatibility is still true.

AFAIUI, when you redistribute a GPLv2-only program in compiled form, the GPLv2 insists that the libraries the program links with (excluding system libraries...) are available under GPLv2.

But an LGPLv3-only or LGPLv3-or-later library is available under GPLv3, not under GPLv2.

All this, assuming that the FSF's legal theory of linking is correct: this theory has never been tested in court, AFAIK, hence we do not know if it would hold. However, we have to assume that it's correct, to be on the safe side.

Disclaimers: IANAL, TINLA, IANADD.

Question:

I have coded some programs which are explicit under GPL v2 since I do not like v3 (I have my reasons) but I am using a LIB which is currently under LGPL v2.

Now the new version of this LIB is v3.

What should I do?

Push the source of the LIB v2 into my executable since I can not distribute the same LIB (physical) because namespace conflicts ?

It seems that I am using 7 libs which will switch to LGPL v3 and I am already using parts of libc-client (I do not want to use the pop3 part in any case and have some restrictions made to the source). Should I pull out all needed functions and put it into my own source?

Two of those 7 LIB's are a WebDAV and a Calendar client library.

This stuff is realy confusing...

Thanks, Greetings and nice Day Michelle Konzack Systemadministrator Tamay Dogan Network Debian GNU/Linux Consultant

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