fixup apple compile errors

Author: wiedehopf

anet.c

@@ -75,6 +75,8 @@
 
 #include "anet.h"
 
+#define _UNUSED(V) ((void) V)
+
 static void anetSetError(char *err, const char *fmt, ...)
 {
     va_list ap;
@@ -134,6 +136,7 @@ int anetTcpKeepAlive(char *err, int fd)
     int count = 3;
 
     #ifdef __APPLE__
+    _UNUSED(yes);
     if (set_tcp_keepalive(fd, idle, interval, count) == -1) {
         anetSetError(err, "setsockopt tcp keepalive: %s", strerror(errno));
         return ANET_ERR;

compat/compat.h

@@ -21,8 +21,6 @@
 # define le32toh(x) OSSwapLittleToHostInt32(x)
 
 #include "apple/clock_compat.h"
-#include "apple/clock_gettime"
-#include "apple/clock_nanosleep"
 #include "apple/compat.h"
 #include "apple/cpu_compat.h"
 #include "apple/epoll_shim.h"

globe_index.c

@@ -1125,6 +1125,7 @@ static void mark_legs(traceBuffer tb, struct aircraft *a, int start, int recent)
     int64_t last_low = 0;
 
     int last_high_index = 0;
+    MODES_NOTUSED(last_high_index);
     int last_low_index = 0;
 
     int64_t last_airborne = 0;
@@ -1136,6 +1137,7 @@ static void mark_legs(traceBuffer tb, struct aircraft *a, int start, int recent)
     int last_5min_gap_index = -1;
     struct state last_5min_gap_state = { 0 };
     int last_10min_gap_index = -1;
+    MODES_NOTUSED(last_10min_gap_index);
 
     int was_ground = 0;
 

readsb.h

@@ -95,14 +95,17 @@
 #include <zlib.h>
 #include <inttypes.h>
 #include <sched.h>
-#include <sys/epoll.h>
-#include <sys/eventfd.h>
 #include "minilzo/minilzo.h"
 #include "threadpool.h"
 #include <stdatomic.h>
 #include <zstd.h>
 #include <sys/mman.h>
 
+#ifndef __APPLE__
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+#endif
+
 
 #include "compat/compat.h"
 

util.c

@@ -301,11 +301,11 @@ void threadTimedWait(threadT *thread, struct timespec *ts, int64_t increment) {
 void threadSignalJoin(threadT *thread) {
     if (thread->joined)
         return;
-    int64_t timeout = Modes.joinTimeout;
     int err = 0;
     #ifdef __APPLE__
     pthread_join(thread->pthread, NULL);
     #else
+    int64_t timeout = Modes.joinTimeout;
     while ((err = pthread_tryjoin_np(thread->pthread, NULL)) && timeout-- > 0) {
         pthread_cond_signal(&thread->cond);
         msleep(1);