tree bf4448d9c245ce864e508e54d8cee50d3192477c
parent 1f2d1203c41b1d46cdd7d716cfd8127348011ca9
author Nicholas Levin <nglevin@google.com> 1784662463 -0700
committer Copybara-Service <copybara-worker@google.com> 1784662483 -0700

Add the beginnings of an Apple vendor constraint check to nudge users of objc_library in the right direction if a compatible Apple platform is not set.

PiperOrigin-RevId: 951639266
Change-Id: I71bdc47a6ac9bf92fe2ae33e64ac2af1c45b72b9