@@ -263,10 +263,14 @@
 		], [
 			AC_MSG_ERROR([libobjc not found!])
 		])
 		;;
 esac
+
+AC_CHECK_FUNC(objc_constructInstance, [], [
+	AC_SUBST(INSTANCE_M, "instance.m")
+])
 
 AC_CHECK_FUNC(objc_autoreleasePoolPush, [], [
 	AC_SUBST(AUTORELEASE_M, "autorelease.m")
 ])