diff -u -r -N ddb_medialib-orig/Makefile ddb_medialib-makefile/Makefile
--- ddb_medialib-orig/Makefile	2021-01-15 20:53:07.358290582 +0100
+++ ddb_medialib-makefile/Makefile	2021-01-15 20:52:50.691678078 +0100
@@ -18,8 +18,8 @@
     CXXFLAGS += -DDEBUG -ggdb3 -Wall
     CCFLAGS += -DDEBUG -ggdb3 -Wall
 else
-    CXXFLAGS += -DNDEBUG -O3 -fomit-frame-pointer
-    CCFLAGS += -DNDEBUG -O3 -fomit-frame-pointer
+    CXXFLAGS += -DNDEBUG -O3 -fomit-frame-pointer $(COPT)
+    CCFLAGS += -DNDEBUG -O3 -fomit-frame-pointer $(COPT)
 endif
 
 ifdef GTK2