Am 08.08.2012 um 12:24 schrieb EBo:

> why would GPLv3 preclude its use?  ... but that is a seperate questions 
> I suppose...

this is how I understand the situation:

zeromq is LGPLv3+ with a static linking exception (whatever that means):
        http://www.zeromq.org/area:faq#toc0
        http://www.zeromq.org/intro:get-the-software
        http://www.zeromq.org/area:licensing

linuxcnc is GPLv2 - some parts are are 'GPLv2 or later' - I understand 
re-licensing linuxcnc as GPLv3 is not a viable option

Assuming the existing project is GPLv2 only, and the to-be-imported code is 
LGPLv3+, I assume for purposes of combination we'd be in column 1, row 6 of 
this matrix: http://www.gnu.org/licenses/gpl-faq.html#AllCompatibility  which 
says 'NO' with no way out

so thanks to RMS and the FSF djihadis, I can link zeromq with my proprietary 
code and sell that, but cant integrate it with linuxcnc, which makes exactly 
zero sense to me

I'd love to be corrected on this view

I guess I'll post a question over at #zeromq to sense what they think

- Michael








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