Here's how I compiled Stepmania 5.2 (2018 August, and I do have plans to test with 5.3) for ARM processor. Initially on a RasPi... at only 10FPS, then went for an overclocked Jetson TK1 board (192 CUDA cores, unlocked CPU) to achieve a playable experience.
Details
First draft 5/28.
I plan to update to Stepmania 5.3 and update this guide as I learn more about this process.