Re: MySQL & ActiveRecord Licenses

Bryan Crossland
2011-03-21T19:18:38Z

On Mon, Mar 21, 2011 at 1:48 PM, Paul E. G. Lynch
<plynchnlm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>wrote:

> MySQL''s license is GPL.  ActiveRecord, which (I presume) uses
MySQL''s
> client libraries, is under the MIT license.  How does ActiveRecord
> avoid being GPL?
>

I''m no attorney but I believe the answer is that ActiveRecord is not
modifying MySQL but is a separate framework for accessing it as well as a
number of other databases. You still need a copy of MySQL if you want to use
the part that can access it. The FAQ for GPL/GNU explains more in the
section on "Using programs released under the GNU licenses when writing
other programs".

http://www.gnu.org/licenses/gpl-faq.html

B.

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