I have also uploaded a compiled crosscompile toolchain with symbol versioning down to the first glibc (2.17) supported by aarch64. This allow, hopefully, that the compiled natives to run on as many aarch64 linux systems as possible for maximum compatibility.
https://labb.zafena.se/jogamp/aarch64/x-tools.linux-gnueabi_gcc485_aarch64.tar.xz