Dkms and Template kernels provided by dom0 (kernel-qubes-vm and kernel-latest-qubes-vm)

The closest I found was this

https://src.fedoraproject.org/rpms/gcc/blob/f32/f/gcc.spec

But I don’t know how to use this in order to somehow clone and compile it.
https://src.fedoraproject.org/rpms/gcc/blob/f32/f/gcc.spec#_3061
is it possible someone to give me some pointers?