[development] Modules that integrate non-GPL PHP apps violate the GPL.

Thomas Barregren thomas at webbredaktoren.se
Fri Aug 31 22:43:13 UTC 2007

Earnie Boyd skrev:
> Quoting Jeff Eaton <jeff at viapositiva.net>:
>> *** 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:


Third, the best solution would be is Drupal included a FLOSS Exception:


A good example of this is MySQL FLOSS Exception:


Best regards,

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