Re: Issues with JNI on Mono (IKVM Trunk)

Ah, figured out how to load the config on Mono.  I think.  Unfortunately it
gives a very different error: http://pastebin.com/GAsQyfA5
The App.config is here
https://github.com/tommyettinger/CommandersUnite/blob/master/CU/CU/App.config


On Wed, Jul 16, 2014 at 1:30 PM, Tommy Ettinger <[email protected]>
wrote:

> My last message was too long for the list, so here it is with pastebin
> links.
> With those lines added to App.config, It gives the following output on
> Windows 7 in Visual Studio's output window (and nothing new on Mono):
> Visual Studio output: http://pastebin.com/6Jpi5FxV
> Mono output: http://pastebin.com/BEMyAerk
> Thanks for your speedy reply on this, IKVM worked brilliantly until I
> tried to get it to run on Mono.  IKVM is a pretty incredible piece of
> software.
>
>
> On Wed, Jul 16, 2014 at 6:01 AM, Jeroen Frijters <[email protected]>
> wrote:
>
>>  Hi Tommy,
>>
>>
>>
>> Can you try enabling JNI tracing by adding the following to your
>> app.config:
>>
>>
>>
>> <system.diagnostics>
>>
>> <switches>
>>
>> <add name="jni" value="4" />
>>
>> </switches>
>>
>> </system.diagnostics>
>>
>>
>>
>> Regards,
>>
>> Jeroen
>>
>>
>>
>> *From:* Tommy Ettinger [mailto:[email protected]]
>> *Sent:* Wednesday, July 16, 2014 14:00
>> *To:* [email protected]
>> *Subject:* [Ikvm-developers] Issues with JNI on Mono (IKVM Trunk)
>>
>>
>>
>> I've been struggling for the last two days to port my C# IKVM application
>> that uses the Java library libgdx to Linux.  The application works just
>> fine on Windows/.NET, but something is wrong with the linking for JNI code
>> AFAICT.  Using libgdx you have a choice of backends for how to display
>> graphics, one of which is LWJGL and one of which is JGLFW.  LWJGL failed on
>> both 32- and 64-bit Linux (after I figured out how to get it to load its
>> dependencies from the right folder) with an UnsatisfiedLinkError in org.lwjgl.DefaultSysImplementation.getPointerSize()I
>> , which (in the LWJGL source) is a native method with no body in the .java
>> file.
>>
>> JGLFW failed on 64-bit Linux (haven't built it on 32-bit) with a
>> different error, still in a native method:
>>
>> java.lang.UnsatisfiedLinkError: com/badlogic/jglfw/Glfw.glfwInitJni()Z
>>
>>           at cli.IKVM.Runtime.JNI$Frame.GetFuncPtr(Unknown Source)
>>
>> I have had issues setting LD_LIBRARY_PATH on this machine (a VM running
>> Fedora 20, 64-bit; the VM is run by VirtualBox on Windows 7 64-bit), and I
>> believe java.library.path is unset, but the libraries are all in the
>> current folder (same as the exe).  My application is open source and the
>> latest code is at https://github.com/tommyettinger/CommandersUnite/ and
>> the only IKVM-specific code is in
>> https://github.com/tommyettinger/CommandersUnite/blob/master/CU/CU/GameGDX.cs#L478
>> .  I built gdx-jglfw.dll using the command:
>>
>> "%IKVM_HOME%/ikvmc.exe" -target:library -out:gdx-jglfw.dll
>> -sharedclassloader gdx.jar gdx-natives.jar gdx-backend-jglfw.jar
>> gdx-backend-jglfw-natives.jar
>>
>> where %IKVM_HOME% evaluated to the bin directory of the current
>> trunk/head/master (latest) of the IKVM CVS on SourceForge (it actually may
>> have been the latest nightly from the IKVM weblog, it is a version 8 or
>> higher nightly).  That command was run on the libgdx 1.2.0 binary release.
>>  I then extracted the dll and so files from the natives jars, copied them
>> into the project, and set them to copy into the release directory.
>>
>> So my question is, is there a bug in my code, or in IKVM, here that can
>> be fixed?  Does JNI work at all under Mono/Linux?
>>
>>
>>
>> --
>>
>> Thomas (Tommy) Ettinger
>>
>
>
>
> --
>
> Thomas (Tommy) Ettinger
>



-- 

Thomas (Tommy) Ettinger

------------------------------------------------------------------------------
Want fast and easy access to all the code in your enterprise? Index and
search up to 200,000 lines of code with a free copy of Black Duck
Code Sight - the same software that powers the world's largest code
search on Ohloh, the Black Duck Open Hub! Try it now.
http://p.sf.net/sfu/bds

_______________________________________________
Ikvm-developers mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/ikvm-developers