tce-load -i compiletc

wget https://github.com/LuaJIT/LuaJIT/archive/refs/tags/v2.0.5.tar.gz [no aarch64]
git clone https://github.com/LuaJIT/LuaJIT

cd LuaJIT

edit src/Makefile
CCOPT= -Os -fomit-frame-pointer
CCOPT_arm64= -flto -march=armv8-a+crc -mtune=cortex-a72 -pipe
BUILDMODE= dynamic

make [1m 26.10s]
sudo make install

==== Successfully built LuaJIT 2.1.0-beta3 ====