patch 8.0.1236: Mac features are confusing
Problem: Mac features are confusing.
Solution: Make feature names more consistent, add "osxdarwin". Rename
feature flags, cleanup Mac code. (Kazunobu Kuriyama, closes #2178)
diff --git a/src/termlib.c b/src/termlib.c
index fee14ae..0dc5894 100644
--- a/src/termlib.c
+++ b/src/termlib.c
@@ -13,7 +13,7 @@
#include "vim.h"
#include "termlib.pro"
-#if !defined(AMIGA) && !defined(VMS) && !defined(MACOS)
+#if !defined(AMIGA) && !defined(VMS)
# include <sgtty.h>
#endif