Index: Makefile
===================================================================
--- Makefile	(revision 06f6615f7a871c8dba6b55c56185a726a2ebfa1a)
+++ Makefile	(revision 1d61ba3fae1e1ffeabe5f3f9960c3547aceed772)
@@ -16,5 +16,5 @@
 				-nostdinc -fno-strict-aliasing -fno-inline -fno-omit-frame-pointer \
 				-Wpedantic -Wcast-align -Wcast-qual -Wconversion -Wsign-conversion \
-				-Wshadow -Wstrict-prototypes -Wredundant-decls \
+				-Wshadow -Wstrict-prototypes -Wmissing-declarations -Wredundant-decls \
 				-I include