Re: About GPL and proprietary software
От | Ron Johnson |
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Тема | Re: About GPL and proprietary software |
Дата | |
Msg-id | 1062357973.7341.27.camel@haggis обсуждение исходный текст |
Ответ на | About GPL and proprietary software (Kaarel <kaarel@future.ee>) |
Ответы |
Re: About GPL and proprietary software
|
Список | pgsql-general |
On Sun, 2003-08-31 at 07:26, Kaarel wrote: > I don't feel very confident when it comes to software licenses. But > there are some cases I would like to make myself clear. What I am > particulary interested in is when does GPL license become restrictive? > For example say a company has a proprietary software product that only > works with MySQL and no other database system. Are the following cases > legal? > 1) This company sells his product under proprietary license and leaves > it up to the client to set up required MySQL server. Or perhaps helps > the client with seting up MySQL with or without extra fee. > 2) Clients pay monthly fee to this company for using their proprietary > software which uses MySQL hosted in the companys server. > 3) This company sells his product under proprietary license on the CD > which also includes MySQL as free bonus (with source code). > > If these cases are valid, then when does GPL license for MySQL (or any > other software in that matter) become truly restrictive for a > proprietary company? Why are you asking about MySQL (a GPL-licensed product), on a PostgreSQL (a BSD-licensed product) mailing list???? Be that as it may: IANAL, but according to my understanding (1) proprietary s/w that dynamically links to "GPL" shared libraries has not broken the GPL. (2) proprietary s/w that *statically* links to "GPL" libraries has broken the GPL. (3) proprietary s/w that "speaks" to "GPL" s/w via a pipe, network link, etc., does not break the GPL. Presumably, one of the reasons that PostgreSQL is BSD-licensed is to avoid issues like this. -- ----------------------------------------------------------------- Ron Johnson, Jr. ron.l.johnson@cox.net Jefferson, LA USA 4 degrees from Vladimir Putin
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