How do I patch Minecraft's LWJGL libraries for ARM64 for MultiMC?

Though this question has been asked before, all information I can found is outdated, so I decided to ask myself.

For those that don't know, MultiMC is a free, open-source launcher for Minecraft. I'm using it because I prefer it to the default launcher, and I found it easier to install, which I did by compiling it myself.

When launching the game, MultiMC copies libraries from common folders, as detailed in the log below. Therefore, information on how to patch a normal Minecraft's install would also be helpful.

Minecraft's default Linux LWJGL library is not built for ARM and thus the game crashes during initialization. At least, I believe that is the problem, though I'm not entirely sure.

Here is the full log.

I have tried, using a shell script, simply replacing all the .jar files in the .../install/libraries/org/lwjgl/lwjgl-*/3.2.2/ folders, with the equivalent ARM files downloaded from lwjgl.org (which are 3.2.3, if that matters). That yields this crash.

But now I'm at a loss for what to do. Am I even addressing the right problem?

1

1 Answer

Not sure if this helps, but there is a MultiMC fork for arm64 (on GitHub).

It works for me and I can launch Minecraft on it.

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