 --> [ local path prefix ]/cycle-1.fpp:1:1
  |
1 | include "cycle-2.fpp"
  | ^^^^^^^^^^^^^^^^^^^^^ included from [ local path prefix ]/cycle-2.fpp:1:1
  |
  = note: included from [ local path prefix ]/cycle-1.fpp:1:1
  = note: included from [ local path prefix ]/cycle-3.fpp:1:1
  = note: included from [ local path prefix ]/cycle-2.fpp:1:1

