Re: [sdljava-users] Eclipse success

[<st...@ta...>]

St=E9phane Meslin-Weber wrote:
> After two days of very slow progress, I've finally managed to get the 
> test scripts for sdljava to run happily from Eclipse - my next hurdle =
is 
> to get Odonata to use the fruits of this labour across Eclipse project=
s...

I've managed to get an SDL window up from within Odonata code... 
Unfortunately I've had to modify some of the auto-generated SWIG files 
to do so.

I'll explain in more detail why this was necessary:

- Odonata is a drop-in replacement for native AWT peers, this requires 
it to be loaded on the bootclasspath of the JVM to override some key 
java.awt.* classes.

- If Odonata uses sdljava, sdljava also needs to be on the bootclasspath=
.

- It seems that at least on the Sun JVM (1.4.2_05) native libraries 
present on the java.library.path aren't picked up by classes on the 
bootclasspath (makes sense I suppose) - but then again, nor are they 
picked up in any other location than sun.boot.library.path (and 
modifications to this either have no effect or understandably break the =
JVM)

To get around these limitations, I use System.load() with an absolute 
path to the libraries. The various static blocks in sdljava (in SDLMain,=
 
and SWIG_SDLMainJNI) to be removed to allow me to do the native lib 
loading manually. (I haven't yet used the other SDL_* libraries).

I obviously don't want to mess with generated files and the presence of 
the static blocks is completely understandable; when sdljava is loaded 
outside the bootclasspath.

With the above in mind, I'd like to propose a runtime property that if 
present disables those static blocks so java -Dsdljava.bootclasspath 
would allow people to manually load native libraries.

Suggestions are welcome :)

Best Regards,

Steph

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Stephane Meslin-Weber         Email: st...@ta...
Software Engineer             Web: http://odonata.tangency.co.uk
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