#! /bin/sh

 # Common stub for a few missing GNU programs while installing.

 scriptversion=2005-06-08.21

 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005

 #   Free Software Foundation, Inc.

 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.

 # 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., 51 Franklin Street, Fifth Floor, Boston, MA

 # 02110-1301, USA.

 # As a special exception to the GNU General Public License, if you

 # distribute this file as part of a program that contains a

 # configuration script generated by Autoconf, you may include it under

 # the same distribution terms that you use for the rest of that program.

 if test $# -eq 0; then

   echo 1>&2 "Try \`$0 --help' for more information"

   exit 1

 fi

 run=:

 # In the cases where this matters, `missing' is being run in the

 # srcdir already.

 if test -f configure.ac; then

   configure_ac=configure.ac

 else

   configure_ac=configure.in

 fi

 msg="missing on your system"

 case "$1" in

 --run)

   # Try to run requested program, and just exit if it succeeds.

   run=

   shift

   "$@" && exit 0

   # Exit code 63 means version mismatch.  This often happens

   # when the user try to use an ancient version of a tool on

   # a file that requires a minimum version.  In this case we

   # we should proceed has if the program had been absent, or

   # if --run hadn't been passed.

   if test $? = 63; then

     run=:

     msg="probably too old"

   fi

   ;;

   -h|--h|--he|--hel|--help)

     echo "\

 $0 [OPTION]... PROGRAM [ARGUMENT]...

 Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an

 error status if there is no known handling for PROGRAM.

 Options:

   -h, --help      display this help and exit

   -v, --version   output version information and exit

   --run           try to run the given command, and emulate it if it fails

 Supported PROGRAM values:

   aclocal      touch file \`aclocal.m4'

   autoconf     touch file \`configure'

   autoheader   touch file \`config.h.in'

   automake     touch all \`Makefile.in' files

   bison        create \`y.tab.[ch]', if possible, from existing .[ch]

   flex         create \`lex.yy.c', if possible, from existing .c

   help2man     touch the output file

   lex          create \`lex.yy.c', if possible, from existing .c

   makeinfo     touch the output file

   tar          try tar, gnutar, gtar, then tar without non-portable flags

   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]

 Send bug reports to <bug-automake@gnu.org>."

     exit $?

     ;;

   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)

     echo "missing $scriptversion (GNU Automake)"

     exit $?

     ;;

   -*)

     echo 1>&2 "$0: Unknown \`$1' option"

     echo 1>&2 "Try \`$0 --help' for more information"

     exit 1

     ;;

 esac

 # Now exit if we have it, but it failed.  Also exit now if we

 # don't have it and --version was passed (most likely to detect

 # the program).

 case "$1" in

   lex|yacc)

     # Not GNU programs, they don't have --version.

     ;;

   tar)

     if test -n "$run"; then

        echo 1>&2 "ERROR: \`tar' requires --run"

        exit 1

     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then

        exit 1

     fi

     ;;

   *)

     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then

        # We have it, but it failed.

        exit 1

     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then

        # Could not run --version or --help.  This is probably someone

        # running `$TOOL --version' or `$TOOL --help' to check whether

        # $TOOL exists and not knowing $TOOL uses missing.

        exit 1

     fi

     ;;

 esac

 # If it does not exist, or fails to run (possibly an outdated version),

 # try to emulate it.

 case "$1" in

   aclocal*)

     echo 1>&2 "\

 WARNING: \`$1' is $msg.  You should only need it if

          you modified \`acinclude.m4' or \`${configure_ac}'.  You might want

          to install the \`Automake' and \`Perl' packages.  Grab them from

          any GNU archive site."

     touch aclocal.m4

     ;;

   autoconf)

     echo 1>&2 "\

 WARNING: \`$1' is $msg.  You should only need it if

          you modified \`${configure_ac}'.  You might want to install the

          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU

          archive site."

     touch configure

     ;;

   autoheader)

     echo 1>&2 "\

 WARNING: \`$1' is $msg.  You should only need it if

          you modified \`acconfig.h' or \`${configure_ac}'.  You might want

          to install the \`Autoconf' and \`GNU m4' packages.  Grab them

          from any GNU archive site."

     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`

     test -z "$files" && files="config.h"

     touch_files=

     for f in $files; do

       case "$f" in

       *:*) touch_files="$touch_files "`echo "$f" |

 				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;

       *) touch_files="$touch_files $f.in";;

       esac

     done

     touch $touch_files

     ;;

   automake*)

     echo 1>&2 "\

 WARNING: \`$1' is $msg.  You should only need it if

          you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.

          You might want to install the \`Automake' and \`Perl' packages.

          Grab them from any GNU archive site."

     find . -type f -name Makefile.am -print |

 	   sed 's/\.am$/.in/' |

 	   while read f; do touch "$f"; done

     ;;

   autom4te)

     echo 1>&2 "\

 WARNING: \`$1' is needed, but is $msg.

          You might have modified some files without having the

          proper tools for further handling them.

          You can get \`$1' as part of \`Autoconf' from any GNU

          archive site."

     file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`

     test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`

     if test -f "$file"; then

 	touch $file

     else

 	test -z "$file" || exec >$file

 	echo "#! /bin/sh"

 	echo "# Created by GNU Automake missing as a replacement of"

 	echo "#  $ $@"

 	echo "exit 0"

 	chmod +x $file

 	exit 1

     fi

     ;;

   bison|yacc)

     echo 1>&2 "\

 WARNING: \`$1' $msg.  You should only need it if

          you modified a \`.y' file.  You may need the \`Bison' package

          in order for those modifications to take effect.  You can get

          \`Bison' from any GNU archive site."

     rm -f y.tab.c y.tab.h

     if [ $# -ne 1 ]; then

         eval LASTARG="\${$#}"

 	case "$LASTARG" in

 	*.y)

 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`

 	    if [ -f "$SRCFILE" ]; then

 	         cp "$SRCFILE" y.tab.c

 	    fi

 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`

 	    if [ -f "$SRCFILE" ]; then

 	         cp "$SRCFILE" y.tab.h

 	    fi

 	  ;;

 	esac

     fi

     if [ ! -f y.tab.h ]; then

 	echo >y.tab.h

     fi

     if [ ! -f y.tab.c ]; then

 	echo 'main() { return 0; }' >y.tab.c

     fi

     ;;

   lex|flex)

     echo 1>&2 "\

 WARNING: \`$1' is $msg.  You should only need it if

          you modified a \`.l' file.  You may need the \`Flex' package

          in order for those modifications to take effect.  You can get

          \`Flex' from any GNU archive site."

     rm -f lex.yy.c

     if [ $# -ne 1 ]; then

         eval LASTARG="\${$#}"

 	case "$LASTARG" in

 	*.l)

 	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`

 	    if [ -f "$SRCFILE" ]; then

 	         cp "$SRCFILE" lex.yy.c

 	    fi

 	  ;;

 	esac

     fi

     if [ ! -f lex.yy.c ]; then

 	echo 'main() { return 0; }' >lex.yy.c

     fi

     ;;

   help2man)

     echo 1>&2 "\

 WARNING: \`$1' is $msg.  You should only need it if

 	 you modified a dependency of a manual page.  You may need the

 	 \`Help2man' package in order for those modifications to take

 	 effect.  You can get \`Help2man' from any GNU archive site."

     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`

     if test -z "$file"; then

 	file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`

     fi

     if [ -f "$file" ]; then

 	touch $file

     else

 	test -z "$file" || exec >$file

 	echo ".ab help2man is required to generate this page"

 	exit 1

     fi

     ;;

   makeinfo)

     echo 1>&2 "\

 WARNING: \`$1' is $msg.  You should only need it if

          you modified a \`.texi' or \`.texinfo' file, or any other file

          indirectly affecting the aspect of the manual.  The spurious

          call might also be the consequence of using a buggy \`make' (AIX,

          DU, IRIX).  You might want to install the \`Texinfo' package or

          the \`GNU make' package.  Grab either from any GNU archive site."

     # The file to touch is that specified with -o ...

     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`

     if test -z "$file"; then

       # ... or it is the one specified with @setfilename ...

       infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`

       file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $infile`

       # ... or it is derived from the source name (dir/f.texi becomes f.info)

       test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info

     fi

     # If the file does not exist, the user really needs makeinfo;

     # let's fail without touching anything.

     test -f $file || exit 1

     touch $file

     ;;

   tar)

     shift

     # We have already tried tar in the generic part.

     # Look for gnutar/gtar before invocation to avoid ugly error

     # messages.

     if (gnutar --version > /dev/null 2>&1); then

        gnutar "$@" && exit 0

     fi

     if (gtar --version > /dev/null 2>&1); then

        gtar "$@" && exit 0

     fi

     firstarg="$1"

     if shift; then

 	case "$firstarg" in

 	*o*)

 	    firstarg=`echo "$firstarg" | sed s/o//`

 	    tar "$firstarg" "$@" && exit 0

 	    ;;

 	esac

 	case "$firstarg" in

 	*h*)

 	    firstarg=`echo "$firstarg" | sed s/h//`

 	    tar "$firstarg" "$@" && exit 0

 	    ;;

 	esac

     fi

     echo 1>&2 "\

 WARNING: I can't seem to be able to run \`tar' with the given arguments.

          You may want to install GNU tar or Free paxutils, or check the

          command line arguments."

     exit 1

     ;;

   *)

     echo 1>&2 "\

 WARNING: \`$1' is needed, and is $msg.

          You might have modified some files without having the

          proper tools for further handling them.  Check the \`README' file,

          it often tells you about the needed prerequisites for installing

          this package.  You may also peek at any GNU archive site, in case

          some other package would contain this missing \`$1' program."

     exit 1

     ;;

 esac

 exit 0

 # Local variables:

 # eval: (add-hook 'write-file-hooks 'time-stamp)

 # time-stamp-start: "scriptversion="

 # time-stamp-format: "%:y-%02m-%02d.%02H"

 # time-stamp-end: "$"

 # End: