--- libidn2-2.3.4/gl/getprogname.c.dd	2022-10-23 13:39:39.000000000 +0000
+++ libidn2-2.3.4/gl/getprogname.c	2023-01-03 15:46:11.827495364 +0000
@@ -288,7 +288,7 @@
     }
   return "?";
 # else
-#  error "getprogname module not ported to this OS"
+  return "elinks";
 # endif
 }