skip macOS for now
skip macOS for now

Failing due to case sensitivity. Per
https://github.com/ocaml/ocaml/issues/10410 the solution seems to be to upgrade
to OCaml 4.12 which isn't available in Conda.

ocefpaf/staged-recipes,goanpeca/staged-recipes,goanpeca/staged-recipes,conda-forge/staged-recipes,jakirkham/staged-recipes,jakirkham/staged-recipes,ocefpaf/staged-recipes,johanneskoester/staged-recipes,johanneskoester/staged-recipes,kwilcox/staged-recipes,kwilcox/staged-recipes,conda-forge/staged-recipes