Re: GPL

"Arkady V.Belousov" <[email protected]> Mon, 11 Nov 2002 11:30:31 +0300 (MSK)

Newsgroups	gmane.os.freedos.devel,gmane.spam.detected
Message-ID	<[email protected]>

X-Comment-To: Bart Oldeman

Hi!

11-=EE=CF=D1-2002 03:16 [email protected] (Bart Oldeman) wrote to=

[email protected]:

>>      Then LGLP differs that it _allows_ to _built_ LGPLed sources/librar=
ies
BO> Yes. Specifically the user must have the freedom to modify, replace and=

BO> redistribute the LGPLed component.

     Ok, thank you.

BO> It's linking. That's how Cygnus (bought by Red Hat) with Cygwin and
BO> TrollTech with QT make parts of their money; they release a DLL under t=
he
BO> GPL so that anyone who wants to sell commercial applications that use t=
he
BO> DLL needs to buy a proprietary license for the DLL.

     I hear there are closed variants of Wine and QT? This forces question:=

is authors of GPLed code allowed to use its own code in closed programs?

BO> exceptions:
BO> a) linking is allowed if the DLL is considered part of the OS

     How defined this "considered part"? For example, MSVCRT.DLL (run-time
library of MSVC; commercial, but used as example) is a part of OS (Windows
in this case)? ODBC/Jet drivers? zlib (if we forget that InfoZip and zlib
licensed under less restrictive BSD-like license)?