Did some work checking the build on OSX. Looks like clang 14 is too old, will try later version.

ansi_parser.rl

@@ -159,5 +159,9 @@ bool ANSIParser::parse(std::wstring_view codes, ColorCB color_cb, WriteCB write_
     }
   }
 
+  (void)ansi_parser_first_final;
+  (void)ansi_parser_error;
+  (void)ansi_parser_en_main;
+
   return good;
 }