GPL version issue

[Brad Roberts]

On Mon, 1 May 2006, Gregor Richards wrote:

> The code in dmd/src/dmd is licensed as follows:
> 
> // License for redistribution is by either the Artistic License
> // in artistic.txt, or the GNU General Public License in gnu.txt.
> 
> This is problematic because:
> 
> 1) There is no file named gnu.txt
> 2) The file gpl.txt includes the ancient GPL v1, and never is it explicitly
> stated that you may use later versions.
> 
> (By the way, Walter, do you use Perl? ;) )
> 
> This is a problem because it may be implied that you can only release the DMD
> frontend under version 1 one of the license, in which case I'm fairly sure
> that GDC isn't even legal :).  I'm sure the intention was to release it under
> any version of the GPL.

I'm not a lawyer, nor do I intend to play one on tv, but given the dual 
license, even if gpl1 and 2 are incompatible, artistic and gpl2 aren't, so 
there's nothing illegal about gd.c.

Later,
Brad