diff --git a/lib/lib.Makefile b/lib/lib.Makefile
index f323ec245..cea4b1bc3 100644
--- a/lib/lib.Makefile
+++ b/lib/lib.Makefile
@@ -62,6 +62,8 @@ ifneq ($(DBG),yes)
       LDFLAGS+=	$(shell dpkg-buildflags --get LDFLAGS)
       LDLIBS+=	$(shell dpkg-buildflags --get LDLIBS)
     endif
+    CFLAGS+=-O3 -flto=auto -ffat-lto-objects
+    LDFLAGS+=-flto=auto
   endif
 endif