diff -burN tcsh-6.20.00.orig/config_f.h tcsh-6.20.00/config_f.h

--- tcsh-6.20.00.orig/config_f.h	2016-04-16 18:44:18.000000000 +0300

+++ tcsh-6.20.00/config_f.h	2017-07-20 11:55:59.363642042 +0300

@@ -86,19 +86,19 @@

 /*

  * DOTLAST      put "." last in the default path, for security reasons

  */

-#define DOTLAST

+#undef DOTLAST

 /*

  * NODOT	Don't put "." in the default path, for security reasons

  */

-#undef NODOT

+#define NODOT

 /*

  * AUTOLOGOUT	tries to determine if it should set autologout depending

  *		on the name of the tty, and environment.

  *		Does not make sense in the modern window systems!

  */

-#define AUTOLOGOUT

+#undef AUTOLOGOUT

 /*

  * SUSPENDED	Newer shells say 'Suspended' instead of 'Stopped'.

@@ -111,7 +111,7 @@

  *		be used with SHORT_STRINGS (or WIDE_STRINGS)

  *

  */

-#define KANJI

+#undef KANJI

 /*

  * DSPMBYTE	add variable "dspmbyte" and display multi-byte string at

@@ -158,7 +158,7 @@

  *		successful, set $REMOTEHOST to the name or address of the

  *		host

  */

-#define REMOTEHOST

+#undef REMOTEHOST

 /*

  * COLOR_LS_F Do you want to use builtin color ls-F ?

@@ -181,15 +181,7 @@

  * RCSID	This defines if we want rcs strings in the binary or not

  *

  */

-#if !defined(lint) && !defined(SABER) && !defined(__CLCC__)

-# ifndef __GNUC__

-#  define RCSID(id) static char *rcsid = (id);

-# else

-#  define RCSID(id) static const char rcsid[] __attribute__((__used__)) = (id);

-# endif /* !__GNUC__ */

-#else

-# define RCSID(id)	/* Nothing */

-#endif /* !lint && !SABER */

+#define RCSID(id)	/* Nothing */

 /* Consistency checks */

 #ifdef WIDE_STRINGS