--- a/engine/Mutex.cpp
+++ b/engine/Mutex.cpp
@@ -30,6 +30,10 @@ typedef HANDLE HSEMAPHORE;
 #include <semaphore.h>
 #include <time.h>
 
+#ifndef PTHREAD_MUTEX_RECURSIVE_NP
+#define PTHREAD_MUTEX_RECURSIVE_NP PTHREAD_MUTEX_RECURSIVE
+#endif
+
 #ifdef MUTEX_HACK
 extern "C" {
 #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
--- a/configure.ac
+++ b/configure.ac
@@ -264,7 +264,7 @@ AC_TRY_COMPILE([
 #include <pthread.h>
 ],[
 pthread_mutexattr_t attr;
-pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE_NP);
+pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE);
 ],
 have_mutex_settype="yes",
 have_mutex_settype="no"