Earnie Boyd skrev:
>
>
> Quoting Jeff Eaton <
jeff@...>:
>
>>
>> *** If you can, at any point, call debug_backtrace() and see BOTH
>> drupal functions AND functions from a non-GPL-compatible piece of
>> software, the terms of the GPL are being violated. ***
>>
>
> Then any project that uses PHP and claims to be GPL is violating the
> terms of the GPL as a rule of thumb. PHP isn't GPL licensed[1] and
> its functions are viewable in a debug_backtrace().
First, it is just a rule of thumb. (And a darn good one IMHO.)
Second, this situation is explained in the GPL FAQ:
http://www.gnu.org/licenses/old-licenses/gpl-2.0-faq.html#InterpreterIncompatThird, the best solution would be is Drupal included a FLOSS Exception:
http://www.gnu.org/licenses/old-licenses/gpl-2.0-faq.html#GPLIncompatibleLibsA good example of this is MySQL FLOSS Exception:
http://www.mysql.com/company/legal/licensing/foss-exception.htmlBest regards,
Thomas