deleted file mode 100644
--- a/lib/posixtm.y
+++ /dev/null
@@ -1,242 +0,0 @@
-/* Parse dates for touch.
-   Copyright (C) 1989, 1990, 1991 Free Software Foundation Inc.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-/* Written by Jim Kingdon and David MacKenzie. */
-%{
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-/* The following block of alloca-related preprocessor directives is here
-   solely to allow compilation by non GNU-C compilers of the C parser
-   produced from this file by old versions of bison.  Newer versions of
-   bison include a block similar to this one in bison.simple.  */
-
-#ifdef __GNUC__
-#define alloca __builtin_alloca
-#else
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#else
-#ifdef _AIX
- #pragma alloca
-#else
-void *alloca ();
-#endif
-#endif
-#endif
-
-#include <stdio.h>
-#include <sys/types.h>
-
-#ifdef TM_IN_SYS_TIME
-#include <sys/time.h>
-#else
-#include <time.h>
-#endif
-
-/* Some old versions of bison generate parsers that use bcopy.
-   That loses on systems that don't provide the function, so we have
-   to redefine it here.  */
-#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy)
-#define bcopy(from, to, len) memcpy ((to), (from), (len))
-#endif
-
-#define YYDEBUG 1
-
-/* Lexical analyzer's current scan position in the input string. */
-static char *curpos;
-
-/* The return value. */
-static struct tm t;
-
-time_t mktime ();
-
-/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
-   as well as gratuitiously global symbol names, so we can have multiple
-   yacc generated parsers in the same program.  Note that these are only
-   the variables produced by yacc.  If other parser generators (bison,
-   byacc, etc) produce additional global names that conflict at link time,
-   then those parser generators need to be fixed instead of adding those
-   names to this list. */
-
-#define yymaxdepth pt_maxdepth
-#define yyparse pt_parse
-#define yylex   pt_lex
-#define yyerror pt_error
-#define yylval  pt_lval
-#define yychar  pt_char
-#define yydebug pt_debug
-#define yypact  pt_pact
-#define yyr1    pt_r1
-#define yyr2    pt_r2
-#define yydef   pt_def
-#define yychk   pt_chk
-#define yypgo   pt_pgo
-#define yyact   pt_act
-#define yyexca  pt_exca
-#define yyerrflag pt_errflag
-#define yynerrs pt_nerrs
-#define yyps    pt_ps
-#define yypv    pt_pv
-#define yys     pt_s
-#define yy_yys  pt_yys
-#define yystate pt_state
-#define yytmp   pt_tmp
-#define yyv     pt_v
-#define yy_yyv  pt_yyv
-#define yyval   pt_val
-#define yylloc  pt_lloc
-#define yyreds  pt_reds          /* With YYDEBUG defined */
-#define yytoks  pt_toks          /* With YYDEBUG defined */
-#define yylhs   pt_yylhs
-#define yylen   pt_yylen
-#define yydefred pt_yydefred
-#define yydgoto pt_yydgoto
-#define yysindex pt_yysindex
-#define yyrindex pt_yyrindex
-#define yygindex pt_yygindex
-#define yytable  pt_yytable
-#define yycheck  pt_yycheck
-
-static int yylex ();
-static int yyerror ();
-
-%}
-
-%token DIGIT
-
-%%
-date :
-       digitpair /* month */
-       digitpair /* day */
-       digitpair /* hours */
-       digitpair /* minutes */
-       year
-       seconds {
-	         if ($1 >= 1 && $1 <= 12)
-		   t.tm_mon = $1 - 1;
-		 else {
-		   YYABORT;
-		 }
-		 if ($2 >= 1 && $2 <= 31)
-		   t.tm_mday = $2;
-		 else {
-		   YYABORT;
-		 }
-		 if ($3 >= 0 && $3 <= 23)
-		   t.tm_hour = $3;
-		 else {
-		   YYABORT;
-		 }
-		 if ($4 >= 0 && $4 <= 59)
-		   t.tm_min = $4;
-		 else {
-		   YYABORT;
-		 }
-	       }
-
-year : digitpair {
-                   t.tm_year = $1;
-		   /* Deduce the century based on the year.
-		      See POSIX.2 section 4.63.3.  */
-		   if ($1 <= 68)
-		     t.tm_year += 100;
-		 }
-    | digitpair digitpair {
-                            t.tm_year = $1 * 100 + $2;
-			    if (t.tm_year < 1900) {
-			      YYABORT;
-			    } else
-			      t.tm_year -= 1900;
-			  }
-    | /* empty */ {
-                    time_t now;
-		    struct tm *tmp;
-
-                    /* Use current year.  */
-                    time (&now);
-		    tmp = localtime (&now);
-		    t.tm_year = tmp->tm_year;
-		  }
-    ;
-
-seconds : /* empty */ {
-                        t.tm_sec = 0;
-		      }
-        | '.' digitpair {
-	                  if ($2 >= 0 && $2 <= 61)
-			    t.tm_sec = $2;
-			  else {
-			    YYABORT;
-			  }
-			}
-        ;
-
-digitpair : DIGIT DIGIT {
-                          $$ = $1 * 10 + $2;
-			}
-          ;
-%%
-static int
-yylex ()
-{
-  char ch = *curpos++;
-
-  if (ch >= '0' && ch <= '9')
-    {
-      yylval = ch - '0';
-      return DIGIT;
-    }
-  else if (ch == '.' || ch == 0)
-    return ch;
-  else
-    return '?';			/* Cause an error.  */
-}
-
-static int
-yyerror ()
-{
-  return 0;
-}
-
-/* Parse a POSIX-style date and return it, or (time_t)-1 for an error.  */
-
-time_t
-posixtime (s)
-     char *s;
-{
-  curpos = s;
-  /* Let mktime decide whether it is daylight savings time.  */
-  t.tm_isdst = -1;
-  if (yyparse ())
-    return (time_t)-1;
-  else
-    return mktime (&t);
-}
-
-/* Parse a POSIX-style date and return it, or NULL for an error.  */
-
-struct tm *
-posixtm (s)
-     char *s;
-{
-  if (posixtime (s) == -1)
-    return NULL;
-  return &t;
-}