Re: [javaCompiler-users] Building a DLL with JavaCompiler?

[Marco T. <mt...@gm...>]

Hey Jesper

Sorry, I never created dlls myself. You should ask the gcj guys directly...


Marco


Jesper Juul / Soup Games wrote:
> Hi
> 
> I am having problems getting a DLL to work with JavaCompiler 0.7 and 
> 0.8, and I wonder if somebody has a suggestion for how to get it to work.
> 
> I hope someone has an idea of whether this is a known gcj problem, or 
> I am missing some parameter to make it work.
> 
> Thanks!
> -Jesper
> 
> **** The problem: *****
> 
> The actual program I am working on is too big to post here, but I 
> have made a very simple test case with two classes, Test and TestB:
> 
> 
> public class Test
> {
> 
> public static void main(String args[])
> {
>   TestB t=new TestB();
>   t.hi();
> }
> }
> 
> *
> 
> public class TestB
> {
> 
> public void hi()
> {
> System.out.println("Yes!");
> }
> }
> 
> *
> I compile them like this
> gcj -shared -I. TestB.java -o TestB.dll
> gcj -I. Test.java TestB.dll --main=Test -o Test.exe
> 
> Compilation gives this info/warning:
> Info: resolving TestB::class$      by linking to __imp___ZN5TestB6class$E (auto
> import)
> 
> If I run the Test.exe program, I get this error (JavaCompiler 0.7)
> Exception in thread "main" java.lang.NoClassDefFoundError: TestB
>     at 0x562408(Unknown Source)
> 
> For JavaCompiler 0.8:
> Exception in thread "main" java.lang.NoClassDefFoundError: TestB
>     at java.lang.Class.initializeClass(Test.exe)
> Caused by: java.lang.NullPointerException
>     <<No stacktrace available>>
> 
> 
> 
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