diff -r -u -N ddb_medialib/Makefile ddb_medialib-makefile/Makefile
--- ddb_medialib/Makefile	2018-09-30 22:01:37.524776612 +0200
+++ ddb_medialib-makefile/Makefile	2018-09-30 22:03:31.003392745 +0200
@@ -18,8 +18,8 @@
     CXXFLAGS += -DDEBUG -ggdb3 -Wall
     CCFLAGS += -DDEBUG -ggdb3 -Wall
 else
-    CXXFLAGS += -DNDEBUG -O3
-    CCFLAGS += -DNDEBUG -O3
+    CXXFLAGS += -DNDEBUG $(CXXOPT)
+    CCFLAGS += -DNDEBUG $(COPT) 
 endif
 
 ifdef GTK2