config.guess: New upstream version

2004-09-23  Kelley Cook  <kcook@gcc.gnu.org>

	* config.guess: New upstream version
	* compile, depcomp, install-sh, ylwrap: Likewise.

From-SVN: r87914

ChangeLog

@@ -1,3 +1,8 @@
+2004-09-23  Kelley Cook  <kcook@gcc.gnu.org>
+
+	* config.guess: New upstream version
+	* compile, depcomp, install-sh, ylwrap: Likewise.
+
 2004-09-19  Roger Sayle  <roger@eyesopen.com>
 
 	* config/mh-x86omitfp: New host makefile fragment.  Add

compile

@@ -1,9 +1,9 @@
 #! /bin/sh
 # Wrapper for compilers which do not understand `-c -o'.
 
-scriptversion=2003-11-09.00
+scriptversion=2004-09-10.20
 
-# Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
+# Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -55,37 +55,41 @@ EOF
     ;;
 esac
 
-
-prog=$1
-shift
-
 ofile=
 cfile=
-args=
+eat=
-while test $# -gt 0; do
+
-  case "$1" in
+for arg
-    -o)
+do
-      # configure might choose to run compile as `compile cc -o foo foo.c'.
+  if test -n "$eat"; then
-      # So we do something ugly here.
+    eat=
-      ofile=$2
+  else
-      shift
+    case $1 in
-      case "$ofile" in
+      -o)
-	*.o | *.obj)
+	# configure might choose to run compile as `compile cc -o foo foo.c'.
-	  ;;
+	# So we strip `-o arg' only if arg is an object.
-	*)
+	eat=1
-	  args="$args -o $ofile"
+	case $2 in
-	  ofile=
+	  *.o | *.obj)
-	  ;;
+	    ofile=$2
-      esac
+	    ;;
-       ;;
+	  *)
-    *.c)
+	    set x "$@" -o "$2"
-      cfile=$1
+	    shift
-      args="$args $1"
+	    ;;
-      ;;
+	esac
-    *)
+	;;
-      args="$args $1"
+      *.c)
-      ;;
+	cfile=$1
-  esac
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
   shift
 done
 
@@ -95,36 +99,36 @@ if test -z "$ofile" || test -z "$cfile"; then
   # normal compilation that the losing compiler can handle.  If no
   # `.c' file was seen then we are probably linking.  That is also
   # ok.
-  exec "$prog" $args
+  exec "$@"
 fi
 
 # Name of file we expect compiler to create.
-cofile=`echo $cfile | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
+cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
 
 # Create the lock directory.
 # Note: use `[/.-]' here to ensure that we don't use the same name
 # that we are using for the .o file.  Also, base the name on the expected
 # object file name, since that is what matters with a parallel build.
-lockdir=`echo $cofile | sed -e 's|[/.-]|_|g'`.d
+lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
 while true; do
-  if mkdir $lockdir > /dev/null 2>&1; then
+  if mkdir "$lockdir" >/dev/null 2>&1; then
     break
   fi
   sleep 1
 done
 # FIXME: race condition here if user kills between mkdir and trap.
-trap "rmdir $lockdir; exit 1" 1 2 15
+trap "rmdir '$lockdir'; exit 1" 1 2 15
 
 # Run the compile.
-"$prog" $args
+"$@"
-status=$?
+ret=$?
 
 if test -f "$cofile"; then
   mv "$cofile" "$ofile"
 fi
 
-rmdir $lockdir
+rmdir "$lockdir"
-exit $status
+exit $ret
 
 # Local Variables:
 # mode: shell-script

config.guess

@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 #   2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 
-timestamp='2004-08-29'
+timestamp='2004-09-07'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -827,6 +827,9 @@ EOF
     crisv32:Linux:*:*)
 	echo crisv32-axis-linux-gnu
 	exit 0 ;;
+    frv:Linux:*:*)
+    	echo frv-unknown-linux-gnu
+	exit 0 ;;
     ia64:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit 0 ;;

depcomp

@@ -1,7 +1,9 @@
 #! /bin/sh
-
 # depcomp - compile a program generating dependencies as side-effects
-# Copyright 1999, 2000 Free Software Foundation, Inc.
+
+scriptversion=2004-05-31.23
+
+# Copyright (C) 1999, 2000, 2003, 2004 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
@@ -25,22 +27,45 @@
 
 # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
 
+case $1 in
+  '')
+     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by `PROGRAMS ARGS'.
+  object      Object file output by `PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputing dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit 0
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit 0
+    ;;
+esac
+
 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
   echo "depcomp: Variables source, object and depmode must be set" 1>&2
   exit 1
 fi
-# `libtool' can also be set to `yes' or `no'.
-
-if test -z "$depfile"; then
-   base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
-   dir=`echo "$object" | sed 's,/.*$,/,'`
-   if test "$dir" = "$object"; then
-      dir=
-   fi
-   # FIXME: should be _deps on DOS.
-   depfile="$dir.deps/$base"
-fi
 
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
 
 rm -f "$tmpdepfile"
@@ -172,19 +197,25 @@ sgi)
 
 aix)
   # The C for AIX Compiler uses -M and outputs the dependencies
-  # in a .u file.  This file always lives in the current directory.
+  # in a .u file.  In older versions, this file always lives in the
-  # Also, the AIX compiler puts `$object:' at the start of each line;
+  # current directory.  Also, the AIX compiler puts `$object:' at the
-  # $object doesn't have directory information.
+  # start of each line; $object doesn't have directory information.
-  stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`
+  # Version 6 uses the directory in both cases.
+  stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
   tmpdepfile="$stripped.u"
-  outname="$stripped.o"
   if test "$libtool" = yes; then
     "$@" -Wc,-M
   else
     "$@" -M
   fi
-
   stat=$?
+
+  if test -f "$tmpdepfile"; then :
+  else
+    stripped=`echo "$stripped" | sed 's,^.*/,,'`
+    tmpdepfile="$stripped.u"
+  fi
+
   if test $stat -eq 0; then :
   else
     rm -f "$tmpdepfile"
@@ -192,6 +223,7 @@ aix)
   fi
 
   if test -f "$tmpdepfile"; then
+    outname="$stripped.o"
     # Each line is of the form `foo.o: dependent.h'.
     # Do two passes, one to just change these to
     # `$object: dependent.h' and one to simply `dependent.h:'.
@@ -255,31 +287,40 @@ tru64)
    base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
 
    if test "$libtool" = yes; then
+      # Dependencies are output in .lo.d with libtool 1.4.
+      # With libtool 1.5 they are output both in $dir.libs/$base.o.d
+      # and in $dir.libs/$base.o.d and $dir$base.o.d.  We process the
+      # latter, because the former will be cleaned when $dir.libs is
+      # erased.
       tmpdepfile1="$dir.libs/$base.lo.d"
-      tmpdepfile2="$dir.libs/$base.d"
+      tmpdepfile2="$dir$base.o.d"
+      tmpdepfile3="$dir.libs/$base.d"
       "$@" -Wc,-MD
    else
       tmpdepfile1="$dir$base.o.d"
       tmpdepfile2="$dir$base.d"
+      tmpdepfile3="$dir$base.d"
       "$@" -MD
    fi
 
    stat=$?
    if test $stat -eq 0; then :
    else
-      rm -f "$tmpdepfile1" "$tmpdepfile2"
+      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
       exit $stat
    fi
 
    if test -f "$tmpdepfile1"; then
       tmpdepfile="$tmpdepfile1"
-   else
+   elif test -f "$tmpdepfile2"; then
       tmpdepfile="$tmpdepfile2"
+   else
+      tmpdepfile="$tmpdepfile3"
    fi
    if test -f "$tmpdepfile"; then
       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
-      # That's a space and a tab in the [].
+      # That's a tab and a space in the [].
-      sed -e 's,^.*\.[a-z]*:[ 	]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
    else
       echo "#dummy" > "$depfile"
    fi
@@ -292,7 +333,7 @@ tru64)
 
 dashmstdout)
   # Important note: in order to support this mode, a compiler *must*
-  # always write the proprocessed file to stdout, regardless of -o.
+  # always write the preprocessed file to stdout, regardless of -o.
   "$@" || exit $?
 
   # Remove the call to Libtool.
@@ -388,7 +429,7 @@ makedepend)
 
 cpp)
   # Important note: in order to support this mode, a compiler *must*
-  # always write the proprocessed file to stdout.
+  # always write the preprocessed file to stdout.
   "$@" || exit $?
 
   # Remove the call to Libtool.
@@ -430,7 +471,7 @@ cpp)
 
 msvisualcpp)
   # Important note: in order to support this mode, a compiler *must*
-  # always write the proprocessed file to stdout, regardless of -o,
+  # always write the preprocessed file to stdout, regardless of -o,
   # because we must use -o when running libtool.
   "$@" || exit $?
   IFS=" "
@@ -470,3 +511,12 @@ none)
 esac
 
 exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:

install-sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2004-02-15.20
+scriptversion=2004-09-10.20
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -58,9 +58,6 @@ stripprog="${STRIPPROG-strip}"
 rmprog="${RMPROG-rm}"
 mkdirprog="${MKDIRPROG-mkdir}"
 
-transformbasename=
-transform_arg=
-instcmd="$mvprog"
 chmodcmd="$chmodprog 0755"
 chowncmd=
 chgrpcmd=
@@ -70,23 +67,27 @@ mvcmd="$mvprog"
 src=
 dst=
 dir_arg=
+dstarg=
+no_target_directory=
 
-usage="Usage: $0 [OPTION]... SRCFILE DSTFILE
+usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
    or: $0 [OPTION]... SRCFILES... DIRECTORY
-   or: $0 -d DIRECTORIES...
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
 
-In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default.
+In the 1st form, copy SRCFILE to DSTFILE.
-In the second, create the directory path DIR.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
 
 Options:
--b=TRANSFORMBASENAME
+-c         (ignored)
--c         copy source (using $cpprog) instead of moving (using $mvprog).
 -d         create directories instead of installing files.
--g GROUP   $chgrp installed files to GROUP.
+-g GROUP   $chgrpprog installed files to GROUP.
--m MODE    $chmod installed files to MODE.
+-m MODE    $chmodprog installed files to MODE.
--o USER    $chown installed files to USER.
+-o USER    $chownprog installed files to USER.
--s         strip installed files (using $stripprog).
+-s         $stripprog installed files.
--t=TRANSFORM
+-t DIRECTORY  install into DIRECTORY.
+-T         report an error if DSTFILE is a directory.
 --help     display this help and exit.
 --version  display version info and exit.
 
@@ -96,12 +97,7 @@ Environment variables override the default commands:
 
 while test -n "$1"; do
   case $1 in
-    -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
+    -c) shift
-        shift
-        continue;;
-
-    -c) instcmd=$cpprog
-        shift
         continue;;
 
     -d) dir_arg=true
@@ -129,14 +125,20 @@ while test -n "$1"; do
         shift
         continue;;
 
-    -t=*) transformarg=`echo $1 | sed 's/-t=//'`
+    -t) dstarg=$2
-        shift
+	shift
-        continue;;
+	shift
+	continue;;
+
+    -T) no_target_directory=true
+	shift
+	continue;;
 
     --version) echo "$0 $scriptversion"; exit 0;;
 
     *)  # When -d is used, all remaining arguments are directories to create.
-	test -n "$dir_arg" && break
+	# When -t is used, the destination is already specified.
+	test -n "$dir_arg$dstarg" && break
         # Otherwise, the last argument is the destination.  Remove it from $@.
 	for arg
 	do
@@ -174,13 +176,13 @@ do
     src=
 
     if test -d "$dst"; then
-      instcmd=:
+      mkdircmd=:
       chmodcmd=
     else
-      instcmd=$mkdirprog
+      mkdircmd=$mkdirprog
     fi
   else
-    # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
     # might cause directories to be created, which would be especially bad
     # if $src (and thus $dsttmp) contains '*'.
     if test ! -f "$src" && test ! -d "$src"; then
@@ -202,6 +204,10 @@ do
     # If destination is a directory, append the input filename; won't work
     # if double slashes aren't ignored.
     if test -d "$dst"; then
+      if test -n "$no_target_directory"; then
+	echo "$0: $dstarg: Is a directory" >&2
+	exit 1
+      fi
       dst=$dst/`basename "$src"`
     fi
   fi
@@ -229,77 +235,77 @@ do
       pathcomp=$pathcomp$1
       shift
       if test ! -d "$pathcomp"; then
-        $mkdirprog "$pathcomp" || lasterr=$?
+        $mkdirprog "$pathcomp"
 	# mkdir can fail with a `File exist' error in case several
 	# install-sh are creating the directory concurrently.  This
 	# is OK.
-	test ! -d "$pathcomp" && { (exit ${lasterr-1}); exit; }
+	test -d "$pathcomp" || exit
       fi
       pathcomp=$pathcomp/
     done
   fi
 
   if test -n "$dir_arg"; then
-    $doit $instcmd "$dst" \
+    $doit $mkdircmd "$dst" \
       && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
       && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
       && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
 
   else
-    # If we're going to rename the final executable, determine the name now.
+    dstfile=`basename "$dst"`
-    if test -z "$transformarg"; then
-      dstfile=`basename "$dst"`
-    else
-      dstfile=`basename "$dst" $transformbasename \
-               | sed $transformarg`$transformbasename
-    fi
-
-    # don't allow the sed command to completely eliminate the filename.
-    test -z "$dstfile" && dstfile=`basename "$dst"`
 
     # Make a couple of temp file names in the proper directory.
     dsttmp=$dstdir/_inst.$$_
     rmtmp=$dstdir/_rm.$$_
 
     # Trap to clean up those temp files at exit.
-    trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
     trap '(exit $?); exit' 1 2 13 15
 
-    # Move or copy the file name to the temp name
+    # Copy the file name to the temp name.
-    $doit $instcmd "$src" "$dsttmp" &&
+    $doit $cpprog "$src" "$dsttmp" &&
 
     # and set any options; do chmod last to preserve setuid bits.
     #
     # If any of these fail, we abort the whole thing.  If we want to
     # ignore errors from any of these, just make sure not to ignore
-    # errors from the above "$doit $instcmd $src $dsttmp" command.
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
     #
     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
       && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
       && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
 
-    # Now remove or move aside any old file at destination location.  We
-    # try this two ways since rm can't unlink itself on some systems and
-    # the destination file might be busy for other reasons.  In this case,
-    # the final cleanup might fail but the new file should still install
-    # successfully.
-    {
-      if test -f "$dstdir/$dstfile"; then
-        $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
-        || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
-        || {
-	  echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
-	  (exit 1); exit
-        }
-      else
-        :
-      fi
-    } &&
-
     # Now rename the file to the real destination.
-    $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
+    { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
+      || {
+	   # The rename failed, perhaps because mv can't rename something else
+	   # to itself, or perhaps because mv is so ancient that it does not
+	   # support -f.
+
+	   # Now remove or move aside any old file at destination location.
+	   # We try this two ways since rm can't unlink itself on some
+	   # systems and the destination file might be busy for other
+	   # reasons.  In this case, the final cleanup might fail but the new
+	   # file should still install successfully.
+	   {
+	     if test -f "$dstdir/$dstfile"; then
+	       $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
+	       || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
+	       || {
+		 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
+		 (exit 1); exit
+	       }
+	     else
+	       :
+	     fi
+	   } &&
+
+	   # Now rename the file to the real destination.
+	   $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
+	 }
+    }
   fi || { (exit 1); exit; }
 done
 

ylwrap

@@ -1,6 +1,11 @@
 #! /bin/sh
 # ylwrap - wrapper for lex/yacc invocations.
-# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+
+scriptversion=2004-09-10.20
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004
+#   Free Software Foundation, Inc.
+#
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -17,56 +22,81 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
-# Usage:
+# As a special exception to the GNU General Public License, if you
-#     ylwrap PROGRAM INPUT [OUTPUT DESIRED]... -- [ARGS]...
+# distribute this file as part of a program that contains a
-# * PROGRAM is program to run.
+# configuration script generated by Autoconf, you may include it under
-# * INPUT is the input file
+# the same distribution terms that you use for the rest of that program.
-# * OUTPUT is file PROG generates
+
-# * DESIRED is file we actually want
+# This file is maintained in Automake, please report
-# * ARGS are passed to PROG
+# bugs to <bug-automake@gnu.org> or send patches to
-# Any number of OUTPUT,DESIRED pairs may be used.
+# <automake-patches@gnu.org>.
+
+case "$1" in
+  '')
+    echo "$0: No files given.  Try \`$0 --help' for more information." 1>&2
+    exit 1
+    ;;
+  --basedir)
+    basedir=$2
+    shift 2
+    ;;
+  -h|--h*)
+    cat <<\EOF
+Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]...
+
+Wrapper for lex/yacc invocations, renaming files as desired.
+
+  INPUT is the input file
+  OUTPUT is one file PROG generates
+  DESIRED is the file we actually want instead of OUTPUT
+  PROGRAM is program to run
+  ARGS are passed to PROG
+
+Any number of OUTPUT,DESIRED pairs may be used.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit 0
+    ;;
+  -v|--v*)
+    echo "ylwrap $scriptversion"
+    exit 0
+    ;;
+esac
+
+
+# The input.
+input="$1"
+shift
+case "$input" in
+  [\\/]* | ?:[\\/]*)
+    # Absolute path; do nothing.
+    ;;
+  *)
+    # Relative path.  Make it absolute.
+    input="`pwd`/$input"
+    ;;
+esac
+
+pairlist=
+while test "$#" -ne 0; do
+  if test "$1" = "--"; then
+    shift
+    break
+  fi
+  pairlist="$pairlist $1"
+  shift
+done
 
 # The program to run.
 prog="$1"
 shift
 # Make any relative path in $prog absolute.
 case "$prog" in
- /* | [A-Za-z]:\\*) ;;
+  [\\/]* | ?:[\\/]*) ;;
- */*) prog="`pwd`/$prog" ;;
+  *[\\/]*) prog="`pwd`/$prog" ;;
 esac
 
-# The input.
-input="$1"
-shift
-case "$input" in
- /* | [A-Za-z]:\\*)
-    # Absolute path; do nothing.
-    ;;
- *)
-    # Relative path.  Make it absolute.  Why?  Because otherwise any
-    # debugging info in the generated file will point to the wrong
-    # place.  This is really gross.
-    input="`pwd`/$input"
-    ;;
-esac
-
-# We don't want to use the absolute path if the input in the current
-# directory like when making a tar ball.
-input_base=`echo $input | sed -e 's|.*/||'`
-if test -f $input_base && cmp $input_base $input >/dev/null 2>&1; then
-  input=$input_base
-fi
-
-pairlist=
-while test "$#" -ne 0; do
-   if test "$1" = "--"; then
-      shift
-      break
-   fi
-   pairlist="$pairlist $1"
-   shift
-done
-
 # FIXME: add hostname here for parallel makes that run commands on
 # other machines.  But that might take us over the 14-char limit.
 dirname=ylwrap$$
@@ -74,50 +104,119 @@ trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
 mkdir $dirname || exit 1
 
 cd $dirname
-case "$input" in
- /* | [A-Za-z]:\\*)
-    # Absolute path; do nothing.
-    ;;
- *)
-    # Make a symbolic link, hard link or hardcopy.
-    ln -s ../"$input" . > /dev/null 2>&1 || ln ../"$input" . > /dev/null 2>&1 || cp ../"$input" .
-    ;;
-esac
-$prog ${1+"$@"} "$input"
-status=$?
 
-if test $status -eq 0; then
+case $# in
-   set X $pairlist
+  0) $prog "$input" ;;
-   shift
+  *) $prog "$@" "$input" ;;
-   first=yes
+esac
-   while test "$#" -ne 0; do
+ret=$?
-      if test -f "$1"; then
+
-         # If $2 is an absolute path name, then just use that,
+if test $ret -eq 0; then
-         # otherwise prepend `../'.
+  set X $pairlist
-         case "$2" in
+  shift
-	   /* | [A-Za-z]:\\*) target="$2";;
+  first=yes
-	   *) target="../$2";;
+  # Since DOS filename conventions don't allow two dots,
-	 esac
+  # the DOS version of Bison writes out y_tab.c instead of y.tab.c
-	 mv "$1" "$target" || status=$?
+  # and y_tab.h instead of y.tab.h. Test to see if this is the case.
+  y_tab_nodot="no"
+  if test -f y_tab.c || test -f y_tab.h; then
+    y_tab_nodot="yes"
+  fi
+
+  # The directory holding the input.
+  input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'`
+  # Quote $INPUT_DIR so we can use it in a regexp.
+  # FIXME: really we should care about more than `.' and `\'.
+  input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'`
+
+  while test "$#" -ne 0; do
+    from="$1"
+    # Handle y_tab.c and y_tab.h output by DOS
+    if test $y_tab_nodot = "yes"; then
+      if test $from = "y.tab.c"; then
+    	from="y_tab.c"
       else
-	 # A missing file is only an error for the first file.  This
+    	if test $from = "y.tab.h"; then
-	 # is a blatant hack to let us support using "yacc -d".  If -d
+    	  from="y_tab.h"
-	 # is not specified, we don't want an error when the header
+    	fi
-	 # file is "missing".
-	 if test $first = yes; then
-	    status=1
-	 fi
       fi
-      shift
+    fi
-      shift
+    if test -f "$from"; then
-      first=no
+      # If $2 is an absolute path name, then just use that,
-   done
+      # otherwise prepend `../'.
+      case "$2" in
+    	[\\/]* | ?:[\\/]*) target="$2";;
+    	*) target="../$2";;
+      esac
+
+      # We do not want to overwrite a header file if it hasn't
+      # changed.  This avoid useless recompilations.  However the
+      # parser itself (the first file) should always be updated,
+      # because it is the destination of the .y.c rule in the
+      # Makefile.  Divert the output of all other files to a temporary
+      # file so we can compare them to existing versions.
+      if test $first = no; then
+	realtarget="$target"
+	target="tmp-`echo $target | sed s/.*[\\/]//g`"
+      fi
+      # Edit out `#line' or `#' directives.
+      #
+      # We don't want the resulting debug information to point at
+      # an absolute srcdir; it is better for it to just mention the
+      # .y file with no path.
+      #
+      # We want to use the real output file name, not yy.lex.c for
+      # instance.
+      #
+      # We want the include guards to be adjusted too.
+      FROM=`echo "$from" | sed \
+            -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
+            -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
+      TARGET=`echo "$2" | sed \
+            -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
+            -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
+
+      sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \
+          -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$?
+
+      # Check whether header files must be updated.
+      if test $first = no; then
+	if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then
+	  echo "$2" is unchanged
+	  rm -f "$target"
+	else
+          echo updating "$2"
+          mv -f "$target" "$realtarget"
+        fi
+      fi
+    else
+      # A missing file is only an error for the first file.  This
+      # is a blatant hack to let us support using "yacc -d".  If -d
+      # is not specified, we don't want an error when the header
+      # file is "missing".
+      if test $first = yes; then
+        ret=1
+      fi
+    fi
+    shift
+    shift
+    first=no
+  done
 else
-   status=$?
+  ret=$?
 fi
 
 # Remove the directory.
 cd ..
 rm -rf $dirname
 
-exit $status
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End: