[IronPython] Microsoft Permissive License's asymmetry of binary and source distribution

Michael Foord fuzzyman at voidspace.org.uk
Wed Aug 29 06:33:25 PDT 2007


M. David Peterson wrote:
> On 8/29/07, *Sanghyeon Seo* <sanxiyn at gmail.com 
> <mailto:sanxiyn at gmail.com>> wrote:
>
>
>     Now, suppose a collective work composed of Ms-PL-licensed sources and
>     GPL-licensed sources. My understanding is that it is undistributable
>     in source code form since both licenses want it to be licensed "under
>     this license". I think GPL would "comply with Ms-PL", but GPL requires
>     distributing in binary form to be accompanied with the complete
>     machine-readable source code, so the source code needs to be
>     distributable too.
>
>
> Isn't this true about most BSD-esque licenses?

The BSD license generally is compatible with GPL. The most common form 
of the BSD license is the 'revised BSD'.

The original BSD license wasn't compatible. See:

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

All the best,


Michael Foord
http://www.ironpython.info/

>  I'll admit that I have never really dug much deeper than the surface 
> as to why BSD-esque and GPL licenses tend to be incompatible and 
> therefore redistribution of a GPL'd software package inside of a 
> BSD-esque software package is not allowed.  But off the top of my 
> head, the Trac <> MoinMoin incompatibility comes to mind, and there 
> are obviously LOTS and LOTS of other similar situations.
>
> Is this particular issue really all that unique, or am I missing 
> something obvious?
>
> -- 
> /M:D
>
> M. David Peterson
> http://mdavid.name | http://www.oreillynet.com/pub/au/2354 | 
> http://dev.aol.com/blog/3155 <http://dev.aol.com/blog/3155>
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