graphics 4.08.0

Error log

The package failed to build. The error log from opam follows.

[ERROR] Package conflict!
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.08.1
    - graphics = 4.08.0 -> ocaml = 4.08.0 -> ocaml-variants < 4.08.1~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - graphics = 4.08.0 -> ocaml = 4.08.0 -> ocaml-variants < 4.08.1~ -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'

No solution found, exiting