patch 8.0.1572: Mac: getting memory size doesn't work everywhere
Problem: Mac: getting memory size doesn't work everywhere.
Solution: Use MACOS_X instead of MACOS_X_DARWIN. (Kazunobu Kuriyama)
diff --git a/src/os_unix.c b/src/os_unix.c
index 9819176..c28bda0 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -563,7 +563,7 @@
# if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)
# include <sys/sysinfo.h>
# endif
-# ifdef MACOS_X_DARWIN
+# ifdef MACOS_X
# include <mach/mach_host.h>
# include <mach/mach_port.h>
# endif
@@ -578,7 +578,7 @@
long_u mem = 0;
long_u shiftright = 10; /* how much to shift "mem" right for Kbyte */
-# ifdef MACOS_X_DARWIN
+# ifdef MACOS_X
{
/* Mac (Darwin) way of getting the amount of RAM available */
mach_port_t host = mach_host_self();