--- ddcutil-0.9.5.orig/src/libmain/api_base_internal.h	2019-02-24 20:52:50.000000000 +0100
+++ ddcutil-0.9.5/src/libmain/api_base_internal.h	2019-09-03 21:46:22.651496448 +0200
@@ -11,7 +11,7 @@
 
 #include <stdbool.h>
 #include <assert.h>
-#include <sys/cdefs.h>
+#include <argp.h>
 
 #include "public/ddcutil_status_codes.h"
 #include "public/ddcutil_c_api.h"