Re: Announce: GPL Framework centered on Postgres

Florian Weimer wrote:

>* Kenneth Downs:
>
>
>
>>If you seek to provide a closed source app that is built upon
>>Andromeda, you are required to provide the source code to Andromeda
>>itself. However, your app is not a derivative work in the strict
>>sense because your code is not mixed in with mine in any sense. You
>>never modify a file, and your files and mine are actually in separate
>>directories.
>>
>>
>
>Many proprietary software vendors think that if you program to an
>interface which has a sole implementation, your code becomes a derived
>work of that implementation. If you sell different licenses for
>run-time and development environments, such an attitude towards
>copyright law seems inevitable.
>
>
I am not understanding you. By sole implementation do you mean sole
license, or single codebase, or cant-run-without-the-library?

The last sentence I don't understand at all, can you elaborate?