Index: Makefile
===================================================================
--- Makefile	(revision f7c91fc3df0b13bae0e116a0f7c07f04ef893812)
+++ Makefile	(revision e225e77aba20391e2188eb15a49190b1d473d368)
@@ -16,5 +16,5 @@
 				-nostdinc -fno-strict-aliasing -fno-inline -fno-omit-frame-pointer \
 				-Wpedantic -Wcast-align -Wcast-qual -Wconversion -Wsign-conversion \
-				-Wshadow -Wmissing-declarations -Wredundant-decls \
+				-Wshadow -Wstrict-prototypes -Wredundant-decls \
 				-I include -include predef.h