Include everything in a jar

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I'm looking for ways to include in one jar the lwjgl lib along its natives, so wherever i include this jar, the project runs under any so (at least in desktops). The wiki only explains the process for one SO, should i deploy a new jar for every SO? if i recall properly, libGDX lets you deploy in every SO.

[kappa]

have a look at JarSplice, it allows you to include everything in a jar.

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The tool comes in handy, but i'd rather know the process. Also, i prefer to set up eclipse (if possible) to save time, instead of using the tool everytime i want to deploy.

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I found a nice solution based on this blog post. For those interested, code is here and is used like this:

NativeUtils.deleteOldDir();
			
final File parent = NativeUtils.createTempDir();	
					
NativeUtils.loadLibraryFromJar(parent, "/natives/lwjgl.dll");	//For each library you need to add a new line like this.

System.setProperty("org.lwjgl.librarypath", parent.getAbsolutePath());

[NateS]

There is this:
https://github.com/libgdx/libgdx/blob/master/backends/gdx-backend-lwjgl/src/com/badlogic/gdx/backends/lwjgl/LwjglNativesLoader.java
It is based on SharedLibraryLoader which doesn't have any dependencies on libgdx.
https://github.com/libgdx/libgdx/blob/master/gdx/src/com/badlogic/gdx/utils/SharedLibraryLoader.java