--- libiconv-1.16-orig/srclib/getprogname.c	2019-04-26 19:29:00.000000000 +0100
+++ libiconv-1.16/srclib/getprogname.c	2019-10-10 23:36:34.193619582 +0100
@@ -244,6 +244,8 @@
         }
     }
   return NULL;
+# elif defined __serenity__
+  return "?";
 # else
 #  error "getprogname module not ported to this OS"
 # endif