From f2b7893a2b81c00e7a9998b376b846a34bab1205 Mon Sep 17 00:00:00 2001
From: Michael Black W9MDB <mdblack98@yahoo.com>
Date: Wed, 27 Jan 2021 11:00:58 -0600
Subject: [PATCH] Another attempt to get clock_gettime compiling for all Mac
 flavors

---
 src/misc.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/misc.c b/src/misc.c
index e5a0a6e76..eccb7ba15 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -60,22 +60,23 @@
 
 #ifdef __APPLE__
 
-#include <AvailabilityMacros.h>
+#include <time.h>
 
-#if AVAILABLE_MAC_OS_X_VERSION_10_8_AND_LATER
+#if !defined(CLOCK_REALTIME) && !defined(CLOCK_MONOTONIC)
+//
+// MacOS < 10.12 does not have clock_gettime
+//
+// Contribution from github user "ra1nb0w"
+//
 
-#else
-
-#   include <mach/mach_time.h>
-#    ifndef __clockid_t_defined
+#define CLOCK_REALTIME  0
+#define CLOCK_MONOTONIC 6
 typedef int clockid_t;
-#define __clockid_t_defined 1
-#    endif  /* __clockid_t_defined */
 
-#    define CLOCK_REALTIME 0
-#    define CLOCK_MONOTONIC 1
+#include <sys/time.h>
+#include <mach/mach_time.h>
 
-int clock_gettime(clockid_t clock_id, struct timespec *tp)
+static int clock_gettime(clockid_t clock_id, struct timespec *tp)
 {
     if (clock_id == CLOCK_REALTIME)
     {