Solve the macos compilation issue (#1077)

Author: maxiao

portable/ThirdParty/GCC/Posix/port.c

@@ -61,7 +61,9 @@
 #include <string.h>
 #include <sys/time.h>
 #include <sys/times.h>
-#include <sys/prctl.h>
+#ifndef __APPLE__
+    #include <sys/prctl.h>
+#endif
 #include <time.h>
 #include <unistd.h>