Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -901,11 +901,11 @@
 		;;
 	*)
 		AC_MSG_RESULT(POSIX)
 
 		dnl Use -Wp, as we only use it for the preprocessor.
-		AX_CHECK_COMPILER_FLAGS(-Wp,-pthread, [
+		AX_CHECK_COMPILER_FLAGS([-Wp,-pthread], [
 			CPPFLAGS="$CPPFLAGS -Wp,-pthread"
 		], [
 			CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 		])
 
@@ -941,10 +941,11 @@
 		AC_CHECK_FUNC(sched_yield, [
 			AC_DEFINE(OF_HAVE_SCHED_YIELD, 1,
 				[Whether we have sched_yield()])
 		])
 
+		AC_CHECK_FUNCS(pthread_attr_getschedpolicy)
 		AC_CHECK_FUNCS(pthread_attr_setinheritsched)
 
 		AC_CHECK_HEADERS(pthread_np.h, [], [], [#include <pthread.h>])
 		AC_CHECK_FUNCS(pthread_set_name_np pthread_setname_np, break)
 		;;

Index: src/threading_pthread.m
==================================================================
--- src/threading_pthread.m
+++ src/threading_pthread.m
@@ -39,17 +39,21 @@
  * thread.
  */
 OF_CONSTRUCTOR()
 {
 	pthread_attr_t pattr;
+#ifdef HAVE_PTHREAD_ATTR_GETSCHEDPOLICY
 	int policy;
+#endif
 	struct sched_param param;
 
 	OF_ENSURE(pthread_attr_init(&pattr) == 0);
+#ifdef HAVE_PTHREAD_ATTR_GETSCHEDPOLICY
 	OF_ENSURE(pthread_attr_getschedpolicy(&pattr, &policy) == 0);
 	OF_ENSURE((minPrio = sched_get_priority_min(policy)) != -1);
 	OF_ENSURE((maxPrio = sched_get_priority_max(policy)) != -1);
+#endif
 	OF_ENSURE(pthread_attr_getschedparam(&pattr, &param) == 0);
 
 	normalPrio = param.sched_priority;
 
 	pthread_attr_destroy(&pattr);