-extern void create_appliance (char **inputs, int nr_inputs, const char *whitelist, const char *modpath, const char *initrd, const char *appliance, struct writer *writer);
+extern void create_appliance (const char *hostcpu, char **inputs, int nr_inputs, const char *whitelist, const char *modpath, const char *initrd, const char *appliance, struct writer *writer);
+
+/* checksum.c */
+extern struct writer checksum_writer;