diff --git a/src/affinity.c b/src/affinity.c
index 26ab61488..7df13dacc 100644
--- a/src/affinity.c
+++ b/src/affinity.c
@@ -14,6 +14,21 @@
 #include "affinity.h"
 
 #ifdef __APPLE__
+static void CPU_ZERO (cpu_set_t *cs)
+{
+  cs->count = 0;
+}
+
+static void CPU_SET (int num, cpu_set_t *cs)
+{
+  cs->count |= (1 << num);
+}
+
+static int CPU_ISSET (int num, cpu_set_t *cs)
+{
+  return (cs->count & (1 << num));
+}
+
 static int pthread_setaffinity_np (pthread_t thread, size_t cpu_size, cpu_set_t *cpu_set)
 {
   int core;
@@ -36,21 +51,6 @@ static int pthread_setaffinity_np (pthread_t thread, size_t cpu_size, cpu_set_t
 
   return rc;
 }
-
-static void CPU_ZERO (cpu_set_t *cs)
-{
-  cs->count = 0;
-}
-
-static void CPU_SET (int num, cpu_set_t *cs)
-{
-  cs->count |= (1 << num);
-}
-
-static int  CPU_ISSET (int num, cpu_set_t *cs)
-{
-  return (cs->count & (1 << num));
-}
 #endif
 
 void set_cpu_affinity (char *cpu_affinity)
diff --git a/src/rp_cpu.c b/src/rp_cpu.c
index a46b688de..6fb09671b 100644
--- a/src/rp_cpu.c
+++ b/src/rp_cpu.c
@@ -3,6 +3,10 @@
  * License.....: MIT
  */
 
+#ifdef __APPLE__
+#include <stdio.h>
+#endif
+
 #include "common.h"
 #include "types_int.h"
 #include "types.h"