Re: php5-xapian: PHP licence vs GPL

2009-04-18 Thread Olly Betts
On 2009-04-17, Ken Arromdee arrom...@rahul.net wrote: (And I was also under the impression that Debian follows the wishes of the copyright holder, so it doesn't matter if this argument has any legal merit, just that the FSF makes it.) Note that there's no FSF copyright code in the

Re: php5-xapian: PHP licence vs GPL

2009-04-18 Thread Florian Weimer
* Olly Betts: It's possible this FAQ entry may not have been updated for GPLv3 - I notice that it talks about PHP4, which is obsolete now, and PHP5 predates GPLv3. Yes, I think this may be the case. I guess Florian's thinking is based on additional restrictions allowed by GPLv3 7c:

Re: php5-xapian: PHP licence vs GPL

2009-04-18 Thread Francesco Poli
On Sat, 18 Apr 2009 09:52:35 +0200 Florian Weimer wrote: * Olly Betts: It's possible this FAQ entry may not have been updated for GPLv3 - I notice that it talks about PHP4, which is obsolete now, and PHP5 predates GPLv3. Yes, I think this may be the case. The same page extensively

Re: php5-xapian: PHP licence vs GPL

2009-04-18 Thread Anthony W. Youngman
In message pine.lnx.4.44.0904171144360.27732-100...@violet.rahul.net, Ken Arromdee arrom...@rahul.net writes On Fri, 17 Apr 2009, Anthony W. Youngman wrote: I was under the impression that the FSF thinks that if it's illegal to link a program with GPL software and distribute that, it's also

Re: php5-xapian: PHP licence vs GPL

2009-04-18 Thread Ken Arromdee
On Sat, 18 Apr 2009, Anthony W. Youngman wrote: I was under the impression that the FSF thinks that if it's illegal to link a program with GPL software and distribute that, it's also illegal if you just distribute the other program and have the user do the link. HOW? I hope the FSF

Re: php5-xapian: PHP licence vs GPL

2009-04-17 Thread MJ Ray
Olly Betts o...@survex.com wrote: For reference, this is #513796 in the BTS. Will you summarise/link or should we cc? [...] Steve Langasek: There are several other PHP extensions in circulation that use GPLed libraries, some of them distributed with the PHP source itself. (The

Re: php5-xapian: PHP licence vs GPL

2009-04-17 Thread Ken Arromdee
On Fri, 17 Apr 2009, MJ Ray wrote: http://trac.xapian.org/ticket/191 makes me think the combination only happens at compile time, so including unused source would be OK. I was under the impression that the FSF thinks that if it's illegal to link a program with GPL software and distribute that,

Re: php5-xapian: PHP licence vs GPL

2009-04-17 Thread Anthony W. Youngman
In message pine.lnx.4.44.0904170825550.19077-100...@violet.rahul.net, Ken Arromdee arrom...@rahul.net writes On Fri, 17 Apr 2009, MJ Ray wrote: http://trac.xapian.org/ticket/191 makes me think the combination only happens at compile time, so including unused source would be OK. I was under

Re: php5-xapian: PHP licence vs GPL

2009-04-17 Thread Ken Arromdee
On Fri, 17 Apr 2009, Anthony W. Youngman wrote: I was under the impression that the FSF thinks that if it's illegal to link a program with GPL software and distribute that, it's also illegal if you just distribute the other program and have the user do the link. HOW? I hope the FSF doesn't

Re: php5-xapian: PHP licence vs GPL

2009-04-17 Thread Florian Weimer
* Olly Betts: To summarise, php5-xapian wraps the GPLv2+ licensed Xapian library for PHP v3.01 licensed PHP5. The PHP license is fine if you use Xapian under the GPLv3. The remaining problem is the Zend license, which contains an advertizing clause. For historical/political reasons, the FSF

Re: php5-xapian: PHP licence vs GPL

2009-04-17 Thread Francesco Poli
On Fri, 17 Apr 2009 23:09:57 +0200 Florian Weimer wrote: * Olly Betts: To summarise, php5-xapian wraps the GPLv2+ licensed Xapian library for PHP v3.01 licensed PHP5. The PHP license is fine if you use Xapian under the GPLv3. The FSF seems to disagree: quoting from

Re: php5-xapian: PHP licence vs GPL

2009-04-17 Thread Olly Betts
On 2009-04-17, Francesco Poli f...@firenze.linux.it wrote: On Fri, 17 Apr 2009 23:09:57 +0200 Florian Weimer wrote: * Olly Betts: To summarise, php5-xapian wraps the GPLv2+ licensed Xapian library for PHP v3.01 licensed PHP5. The PHP license is fine if you use Xapian under the GPLv3.

Re: php5-xapian: PHP licence vs GPL

2009-04-17 Thread Olly Betts
On 2009-04-17, MJ Ray m...@phonecoop.coop wrote: Olly Betts o...@survex.com wrote: For reference, this is #513796 in the BTS. Will you summarise/link or should we cc? Good question. Since I didn't Cc: the start of the thread, I'll update the bug with a link to this thread, and summarise the

php5-xapian: PHP licence vs GPL

2009-04-16 Thread Olly Betts
Hi, For reference, this is #513796 in the BTS. To summarise, php5-xapian wraps the GPLv2+ licensed Xapian library for PHP v3.01 licensed PHP5. The two licences are regarded as incompatible due to the restriction on names containing PHP in clause 4 of the PHP licence. The build process doesn't