@@ -50,10 +50,13 @@
 	AC_DEFINE(OF_APPLE_RUNTIME, 1, [Whether we use the Apple ObjC runtime])
 	AC_SUBST(RUNTIME_DEF, "-DOF_APPLE_RUNTIME")
 	objc_runtime="Apple"])
 AC_MSG_RESULT($objc_runtime)
 
+AC_CHECK_FUNC(objc_getProperty,, [
+	AC_SUBST(OBJC_PROPERTIES_M, "objc_properties.m")])
+
 AC_CHECK_FUNC(objc_enumerationMutation, [
 	AC_DEFINE(HAVE_OBJC_ENUMERATIONMUTATION, 1,
 		[Whether we have objc_enumerationMutation])])
 
 BUILDSYS_LIB