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

Michael Foord fuzzyman at voidspace.org.uk
Wed Aug 29 15:33:25 CEST 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:


All the best,

Michael Foord

>  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>
> ------------------------------------------------------------------------
> _______________________________________________
> Users mailing list
> Users at lists.ironpython.com
> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com

More information about the Ironpython-users mailing list