"While AMD ships pre-built ROCm/HIP stacks for the major enterprise Linux distributions, if you are using not one of them or just want to be adventurous and compile your own stack for building HIP programs for running on AMD GPUs, one of the AMD Linux developers has written a how-to guide. "(1)
(1)
"Building An AMD HIP Stack From Upstream Open-Source Code
Written by Michael Larabel in Radeon on 9 February 2024 at 06:45 AM EST."
Side point, there's a driver in your linux kernel already that'll probably work. The driver that ships with rocm is a newer version of the same and might be worth building via dkms.
Very strange that the rocm github doesn't have build scripts but whatever, I've been trying to get people to publish those for almost five years now and it just doesn't seem to be feasible.