Package relocatable

Failed to find a solution:

no platform:
2026-03-13 21:36.09 [INFO] Solving for ocaml-base-compiler,
                           relocatable, constraints ocaml-base-compiler<=5.4.0,
                           relocatable=packages using opam_repository_commit 97a3f8f424d511f334d76acde6d01d0fe9d608b6

2026-03-13 21:37.02 [INFO] base: eliminated all possibilities in 0.34 s

2026-03-13 21:37.02 [INFO] = base =

2026-03-13 21:37.02 [INFO] Can't find all required versions.
Selected: ocaml-options-vanilla.1 relocatable&ocaml-base-compiler
          ocaml-base-compiler
- ocaml-base-compiler -> ocaml-base-compiler.5.4.0
    User requested <= 5.4.0
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.4.0 requires = 5.4.0
    Rejected candidates:
      ocaml-compiler.5.6: Incompatible with restriction: = 5.4.0
      ocaml-compiler.5.5.0~alpha1: Incompatible with restriction: = 5.4.0
      ocaml-compiler.5.5: Incompatible with restriction: = 5.4.0
      ocaml-compiler.5.4.1: Incompatible with restriction: = 5.4.0
      ocaml-compiler.5.4.0: Requires relocatable conflict with all versions
      ...
- relocatable -> relocatable.packages
    User requested = packages