
We don't want to define `MacOS` in the generic OS, so let's make sure we refer to it as `OS::Mac` in the places we need it. This reverts commit 575cb0263cb1428c63b9428bbd913ffde83bd317.
We don't want to define `MacOS` in the generic OS, so let's make sure we refer to it as `OS::Mac` in the places we need it. This reverts commit 575cb0263cb1428c63b9428bbd913ffde83bd317.