0007539: Plugins should use platform libraries where possible. Gentoo removed Squeak for this reason.

Notes
(0014505 - 825 - 936 - 992 - 992 - 992 - 992) lewis 05-17-14 14:03	A caution regarding GPL versus LGPL licensing for libjpeg. I do not know if this is a problem, but it should be checked to ensure that we do not introduce a GPL dependency into the VM. Date: Fri, 16 May 2014 22:51:17 +0200 Subject: Re: [squeak-dev] VM should use platform libraries where possible (was: 16 bit GIFs (was: A nitpick)) From: Nicolas Cellier <nicolas.cellier.aka.nice@gmail.com> To: The general-purpose Squeak developers list > > There should be no GPL issues because linking to a runtime libjpeg is no > different from linking to any other runtime library on Linux. > > Beware, this is why LGPL was created for, no? But GPL is different from LGPL. I don't feel like reading those licenses again, it's just too boring, so someone should confirm that: link with GPL and you become GPL, it's viral.

(0014506 - 2043 - 2373 - 2974 - 2974 - 2974 - 2974) lewis 05-19-14 23:05	From: David Corking <lists@dcorking.com> Date: Mon, 19 May 2014 20:33:11 +0100 Subject: Re: [squeak-dev] VM should use platform libraries where possible (was: 16 bit GIFs (was: A nitpick)) To: The general-purpose Squeak developers list <squeak-dev@lists.squeakfoundation.org> License ====== Sourceforge does not appear to host the current development of libjpeg, and seems to have caused us unnecessary worry about the license. The SF site has version 6b, which is 6 years behind Guido Vollbeding's version 9a. (I think SF may have trouble displaying licenses that aren't from a standard short list, so ended up with the wrong one.) Version 9a is at http://ijg.org/ [^] Whether from Sourceforge or IJG or from Squeak's own repository[1], the license is not GPL. It is this custom but liberal license: http://directory.fsf.org/wiki?title=License:JPEG [^] I am not a lawyer. I can't imagine incompatibilities with Squeak's Apache and MIT licenses. Compatibility ========= Ubuntu and Fedora prefer libjpeg-turbo, a fork which uses the same liberal license and, I hope, the same API. libjpeg-turbo really is on Sourceforge: http://sourceforge.net/p/libjpeg-turbo/code/HEAD/tree/trunk/ [^] I am not in any way a C or SLANG hacker, though I would like to learn. Yet a quick browse of change.log in libjpegsr9a gives me some hope that the API has not had many breaking changes since version 6a, which I guess is the version that is in the Squeak platform sources. While I have them handy, here are the version numbers as I found them installed on my machines: Debian 7.1 libjpeg8 8d-1 (binary is libjpeg.so.8.4.0) Fedora 20 libjpeg-turbo 1.3.1 (binary is libjpeg.so.62.1.0) Ubuntu 12.04 (old I know) libjpeg-turbo 1.1.90+svn733-0ubuntu4.3 (binary is libjpeg.so.8.4.0) Guido's site links to this one, which hopefully will offer more specific clues about what Squeak would need to change to work with the newer platform libraries.. http://jpegclub.org/support/ [^] Hope that helps. Have fun! David

Issue History
Date Modified	Username	Field	Change
05-28-10 00:52	lewis	New Issue
05-28-10 00:52	lewis	Status	new => assigned
05-28-10 00:52	lewis	Assigned To	=> lewis
05-22-13 08:15	LantzR	Issue Monitored: LantzR
05-17-14 14:03	lewis	Note Added: 0014505
05-19-14 23:05	lewis	Note Added: 0014506

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