License for lcm_coretypes.h and generated code

[Abe Bachrach]

Hi there,

I came across a licensing issue, that I think needs to get clarified/fixed:

My understanding is that LCM is licensed under the LGPL, with the intent that end users can link against and use LCM without releasing code.

However, any code generated by lcm-gen includes, and therefor directly compiles with lcm/lcm_coretypes.h, which means that it is compiled with LGPL code, thereby triggering the viral clause of the LGPL...

I think that two things need to be clarified/happen:

1) The licence for lcm/lcm_coretypes.h needs to be changed to something more open/permissive.

2) The licence for the generated code should be clarified to be owned by the owner of the input... see the protobuf licence for an example:

https://github.com/google/protobuf/blob/master/LICENSE

Does that make sense?

Thanks,

-=Abe

[Edwin Olson]

I could have sworn we had some language in there somewhere to disclaim any rights to generated code, but I can't find it. It certainly is not the intention to apply LGPL to generated code.

lcm_coretypes.h should be separately licensed under <BSD? public domain?>

-Ed

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Edwin Olson
Assoc. Professor, Computer Science & Engineering

University of Michigan
http://april.eecs.umich.edu

[Albert Huang]

+1

Suggested changes work for me. Abe, are you able to submit a PR?

Albert