Thanks Andrew
I added this to the Swiki FAQ and acompaning page at
http://minnow.cc.gatech.edu/squeak/1803 
Karl

"Andrew C. Greenberg" wrote:
> 
> >I looked on the FTP site and on the Swiki, but I couldn't find it.
> >
> >Peace and Luck!
> >
> >Je77
> 
> Several folk have commented to inquire where a plugin could be found.
> On the theory that teaching someone to fish is superior to giving
> someone a fish, I offer the following.  To build a plugin on a
> Macintosh:
> 
>         (1) Install MPW (or other suitable development system);
>         (2) Translate the Plugin class to a C code file;
>         (3) Generate the Plugin include files;
>         (4) Compile and link the C code file to a Shared Library
>         (5) Install the Shared Library
>         (6) Confirm that the plugin is working
> 
> (1) Install MPW:
> 
>         Go to http://developer.apple.com/tools/mpw-tools/, and
> download the latest Golden Master from the ftp server.  Double-click
> the disk image file to make a metadisk, and copy the MPW folder to
> your hard disk.  [This takes a bit of doing with the current build.
> I found that making the two top level directories and copying the
> files inside those directories works OK.]
> 
> (2) Translate the Plugin class to a C code file;
> 
>         Startup Squeak.  In a workspace, type and execute the DoIt:
> 
>                 StarSqueakPlugin translate
> 
> This will create a folder containing your plugin c-language file.
> 
> (3) Generate the Plugin include files;
> 
>         Startup Squeak (if not already up).  In a workspace, type and
> execute the DoIt:
> 
>                 InterpreterSupportCode writePluginSupportFiles
> 
> This will create a number of .h files in your default Squeak
> directory.  Copy those files to the plugin folder.
> 
> (4) Compile and link the C code file to a Shared Library
> 
>         Open MPW Shell.  From the Build Menu, select "Create Build
> Commands..."  Click the "Source Files" button, navigate to the c file
> in your plugin folder, and add it to the project.  Set the Program
> Name to "StarSqueakPlugin."  In the Program Type options click on the
> "Shared Library" radio button.  In the Target options, click on
> "PowerPC Only"  If you are inclined to do so, click on the "General
> Options" and select the optimize for speed option, but you don't have
> to do that.  Then, click the CreateMake button.  Finally, from the
> Build menu, select "Build..."
> 
>         If all went well, the MPW directory should contain a file
> entitled StarSqueakPlugin, your plugin shared library.
> 
>         (5) Install the Shared Code Library.
> 
>         Rename the StarSqueakPlugin folder to something else, and
> copy the Shared Code Library to the default squeak folder.