--- bash-5.0/lib/readline/terminal.c.orig	2020-05-18 09:39:55.104000000 +0100
+++ bash-5.0/lib/readline/terminal.c	2020-05-18 09:40:42.409654415 +0100
@@ -102,12 +102,12 @@
 
 static int tcap_initialized;
 
-#if !defined (__linux__) && !defined (NCURSES_VERSION)
-#  if defined (__EMX__) || defined (NEED_EXTERN_PC)
-extern 
-#  endif /* __EMX__ || NEED_EXTERN_PC */
-char PC, *BC, *UP;
-#endif /* !__linux__ && !NCURSES_VERSION */
+// #if !defined (__linux__) && !defined (NCURSES_VERSION)
+// #  if defined (__EMX__) || defined (NEED_EXTERN_PC)
+// extern 
+// #  endif /* __EMX__ || NEED_EXTERN_PC */
+// char PC, *BC, *UP;
+// #endif /* !__linux__ && !NCURSES_VERSION */
 
 /* Some strings to control terminal actions.  These are output by tputs (). */
 char *_rl_term_clreol;