1 files changed, 6 insertions, 2 deletions
diff --git a/thread.h b/thread.h
index c76534fe3e..8f475a0b7c 100644
--- a/thread.h
+++ b/thread.h
@@ -306,8 +306,12 @@ void Perl_atfork_lock(void);
 void Perl_atfork_unlock(void);
 
 #ifndef PTHREAD_ATFORK
-#  define PTHREAD_ATFORK(prepare,parent,child)			\
-    pthread_atfork(prepare,parent,child)
+#  ifdef HAS_PTHREAD_ATFORK
+#    define PTHREAD_ATFORK(prepare,parent,child)		\
+      pthread_atfork(prepare,parent,child)
+#  else
+#    define PTHREAD_ATFORK(prepare,parent,child)
+#  endif
 #endif
 
 #ifndef THREAD_RET_TYPE