Suggest that you use SqueakL instead.  LGPL might be too much and not 
enough to serve your purposes -- and according to Stallman, is 
incompatible (I disagree).  If you are concerned about compatibility, a 
safe solution is the Larry Wall solution, a disjunctive dual license, 
LGPL or Squeak-L.

On Wednesday, August 1, 2001, at 12:13 PM, Stephen Pair wrote:

> Kats is an in-memory transaction service for Smalltalk (Squeak
> specifically).  You'll find the downloads and information at:
> 	http://spair.swiki.net/kats
>
> It's a 0.1 alpha release with very little documentation.  Briefly, a few
> of the features:
>
> - multi-level transactions
> - two-phase commit protocol
> - compiler modifications to allow transparent support for transactions
> - object locking (for pessimistic concurrency...read, write, and
> exclusive locks)
> - customizable conflict detection algorithm (default just detects any
> concurrent mutations (on any inst var) of the same objects)
> - a transaction explorer (and modified process browser to show the
> transaction associated with a process)
> - a transactional inspector for viewing the state of objects in a given
> "state context" (transaction)
> - a transactional workspace to evaluate expressions in the context of a
> given transaction
> - an optional "execution context" model for transactions (built mainly
> to highlight differences in this system with traditional TP monitors)
> - a transaction aspect installer (for adding/removing transaction
> capabilities to existing classes)
> - a TxObject class, which can be subclassed for automatic transaction
> support
> - a couple of special transactional classes to illustrate specializing
> the conflict detection algorithm (TxCounter and TxBag)
>
> I wanted to release this under a license compatible with the Squeak
> license and basically require that derivative works be required be
> released under the same open source license as the original while
> allowing both commercial and non-commercial use of the transaction
> system.  I started modifying the Squeak license, but didn't feel
> comfortable doing so (because IANAL, and because I figured Apple
> probably has a copyright on the license itself), so I resorted to the
> LGPL...if anyone sees any problems with this, please let me know.
>
> - Stephen
>
>
>