--- ../../tcsh-6.07.09/config_f.h	Wed Jul 22 01:03:32 1998
+++ config_f.h	Wed Jul 22 01:04:17 1998
@@ -65,7 +65,11 @@
  *		if you don't have <nl_types.h>, you don't want
  *		to define this.
  */
-#undef NLS_CATALOGS
+#if defined(__FreeBSD__) || defined(__OpenBSD__)
+# define NLS_CATALOGS
+#else
+# undef NLS_CATALOGS
+#endif
 
 /*
  * LOGINFIRST   Source ~/.login before ~/.cshrc