michael@0: #! /bin/sh
michael@0: # Common stub for a few missing GNU programs while installing.
michael@0: 
michael@0: scriptversion=2006-05-10.23
michael@0: 
michael@0: # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006
michael@0: #   Free Software Foundation, Inc.
michael@0: # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
michael@0: 
michael@0: # This program is free software; you can redistribute it and/or modify
michael@0: # it under the terms of the GNU General Public License as published by
michael@0: # the Free Software Foundation; either version 2, or (at your option)
michael@0: # any later version.
michael@0: 
michael@0: # This program is distributed in the hope that it will be useful,
michael@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
michael@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
michael@0: # GNU General Public License for more details.
michael@0: 
michael@0: # You should have received a copy of the GNU General Public License
michael@0: # along with this program; if not, write to the Free Software
michael@0: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
michael@0: # 02110-1301, USA.
michael@0: 
michael@0: # As a special exception to the GNU General Public License, if you
michael@0: # distribute this file as part of a program that contains a
michael@0: # configuration script generated by Autoconf, you may include it under
michael@0: # the same distribution terms that you use for the rest of that program.
michael@0: 
michael@0: if test $# -eq 0; then
michael@0:   echo 1>&2 "Try \`$0 --help' for more information"
michael@0:   exit 1
michael@0: fi
michael@0: 
michael@0: run=:
michael@0: sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
michael@0: sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
michael@0: 
michael@0: # In the cases where this matters, `missing' is being run in the
michael@0: # srcdir already.
michael@0: if test -f configure.ac; then
michael@0:   configure_ac=configure.ac
michael@0: else
michael@0:   configure_ac=configure.in
michael@0: fi
michael@0: 
michael@0: msg="missing on your system"
michael@0: 
michael@0: case $1 in
michael@0: --run)
michael@0:   # Try to run requested program, and just exit if it succeeds.
michael@0:   run=
michael@0:   shift
michael@0:   "$@" && exit 0
michael@0:   # Exit code 63 means version mismatch.  This often happens
michael@0:   # when the user try to use an ancient version of a tool on
michael@0:   # a file that requires a minimum version.  In this case we
michael@0:   # we should proceed has if the program had been absent, or
michael@0:   # if --run hadn't been passed.
michael@0:   if test $? = 63; then
michael@0:     run=:
michael@0:     msg="probably too old"
michael@0:   fi
michael@0:   ;;
michael@0: 
michael@0:   -h|--h|--he|--hel|--help)
michael@0:     echo "\
michael@0: $0 [OPTION]... PROGRAM [ARGUMENT]...
michael@0: 
michael@0: Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
michael@0: error status if there is no known handling for PROGRAM.
michael@0: 
michael@0: Options:
michael@0:   -h, --help      display this help and exit
michael@0:   -v, --version   output version information and exit
michael@0:   --run           try to run the given command, and emulate it if it fails
michael@0: 
michael@0: Supported PROGRAM values:
michael@0:   aclocal      touch file \`aclocal.m4'
michael@0:   autoconf     touch file \`configure'
michael@0:   autoheader   touch file \`config.h.in'
michael@0:   autom4te     touch the output file, or create a stub one
michael@0:   automake     touch all \`Makefile.in' files
michael@0:   bison        create \`y.tab.[ch]', if possible, from existing .[ch]
michael@0:   flex         create \`lex.yy.c', if possible, from existing .c
michael@0:   help2man     touch the output file
michael@0:   lex          create \`lex.yy.c', if possible, from existing .c
michael@0:   makeinfo     touch the output file
michael@0:   tar          try tar, gnutar, gtar, then tar without non-portable flags
michael@0:   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
michael@0: 
michael@0: Send bug reports to <bug-automake@gnu.org>."
michael@0:     exit $?
michael@0:     ;;
michael@0: 
michael@0:   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
michael@0:     echo "missing $scriptversion (GNU Automake)"
michael@0:     exit $?
michael@0:     ;;
michael@0: 
michael@0:   -*)
michael@0:     echo 1>&2 "$0: Unknown \`$1' option"
michael@0:     echo 1>&2 "Try \`$0 --help' for more information"
michael@0:     exit 1
michael@0:     ;;
michael@0: 
michael@0: esac
michael@0: 
michael@0: # Now exit if we have it, but it failed.  Also exit now if we
michael@0: # don't have it and --version was passed (most likely to detect
michael@0: # the program).
michael@0: case $1 in
michael@0:   lex|yacc)
michael@0:     # Not GNU programs, they don't have --version.
michael@0:     ;;
michael@0: 
michael@0:   tar)
michael@0:     if test -n "$run"; then
michael@0:        echo 1>&2 "ERROR: \`tar' requires --run"
michael@0:        exit 1
michael@0:     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
michael@0:        exit 1
michael@0:     fi
michael@0:     ;;
michael@0: 
michael@0:   *)
michael@0:     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
michael@0:        # We have it, but it failed.
michael@0:        exit 1
michael@0:     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
michael@0:        # Could not run --version or --help.  This is probably someone
michael@0:        # running `$TOOL --version' or `$TOOL --help' to check whether
michael@0:        # $TOOL exists and not knowing $TOOL uses missing.
michael@0:        exit 1
michael@0:     fi
michael@0:     ;;
michael@0: esac
michael@0: 
michael@0: # If it does not exist, or fails to run (possibly an outdated version),
michael@0: # try to emulate it.
michael@0: case $1 in
michael@0:   aclocal*)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' is $msg.  You should only need it if
michael@0:          you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
michael@0:          to install the \`Automake' and \`Perl' packages.  Grab them from
michael@0:          any GNU archive site."
michael@0:     touch aclocal.m4
michael@0:     ;;
michael@0: 
michael@0:   autoconf)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' is $msg.  You should only need it if
michael@0:          you modified \`${configure_ac}'.  You might want to install the
michael@0:          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
michael@0:          archive site."
michael@0:     touch configure
michael@0:     ;;
michael@0: 
michael@0:   autoheader)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' is $msg.  You should only need it if
michael@0:          you modified \`acconfig.h' or \`${configure_ac}'.  You might want
michael@0:          to install the \`Autoconf' and \`GNU m4' packages.  Grab them
michael@0:          from any GNU archive site."
michael@0:     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
michael@0:     test -z "$files" && files="config.h"
michael@0:     touch_files=
michael@0:     for f in $files; do
michael@0:       case $f in
michael@0:       *:*) touch_files="$touch_files "`echo "$f" |
michael@0: 				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
michael@0:       *) touch_files="$touch_files $f.in";;
michael@0:       esac
michael@0:     done
michael@0:     touch $touch_files
michael@0:     ;;
michael@0: 
michael@0:   automake*)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' is $msg.  You should only need it if
michael@0:          you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
michael@0:          You might want to install the \`Automake' and \`Perl' packages.
michael@0:          Grab them from any GNU archive site."
michael@0:     find . -type f -name Makefile.am -print |
michael@0: 	   sed 's/\.am$/.in/' |
michael@0: 	   while read f; do touch "$f"; done
michael@0:     ;;
michael@0: 
michael@0:   autom4te)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' is needed, but is $msg.
michael@0:          You might have modified some files without having the
michael@0:          proper tools for further handling them.
michael@0:          You can get \`$1' as part of \`Autoconf' from any GNU
michael@0:          archive site."
michael@0: 
michael@0:     file=`echo "$*" | sed -n "$sed_output"`
michael@0:     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
michael@0:     if test -f "$file"; then
michael@0: 	touch $file
michael@0:     else
michael@0: 	test -z "$file" || exec >$file
michael@0: 	echo "#! /bin/sh"
michael@0: 	echo "# Created by GNU Automake missing as a replacement of"
michael@0: 	echo "#  $ $@"
michael@0: 	echo "exit 0"
michael@0: 	chmod +x $file
michael@0: 	exit 1
michael@0:     fi
michael@0:     ;;
michael@0: 
michael@0:   bison|yacc)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' $msg.  You should only need it if
michael@0:          you modified a \`.y' file.  You may need the \`Bison' package
michael@0:          in order for those modifications to take effect.  You can get
michael@0:          \`Bison' from any GNU archive site."
michael@0:     rm -f y.tab.c y.tab.h
michael@0:     if test $# -ne 1; then
michael@0:         eval LASTARG="\${$#}"
michael@0: 	case $LASTARG in
michael@0: 	*.y)
michael@0: 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
michael@0: 	    if test -f "$SRCFILE"; then
michael@0: 	         cp "$SRCFILE" y.tab.c
michael@0: 	    fi
michael@0: 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
michael@0: 	    if test -f "$SRCFILE"; then
michael@0: 	         cp "$SRCFILE" y.tab.h
michael@0: 	    fi
michael@0: 	  ;;
michael@0: 	esac
michael@0:     fi
michael@0:     if test ! -f y.tab.h; then
michael@0: 	echo >y.tab.h
michael@0:     fi
michael@0:     if test ! -f y.tab.c; then
michael@0: 	echo 'main() { return 0; }' >y.tab.c
michael@0:     fi
michael@0:     ;;
michael@0: 
michael@0:   lex|flex)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' is $msg.  You should only need it if
michael@0:          you modified a \`.l' file.  You may need the \`Flex' package
michael@0:          in order for those modifications to take effect.  You can get
michael@0:          \`Flex' from any GNU archive site."
michael@0:     rm -f lex.yy.c
michael@0:     if test $# -ne 1; then
michael@0:         eval LASTARG="\${$#}"
michael@0: 	case $LASTARG in
michael@0: 	*.l)
michael@0: 	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
michael@0: 	    if test -f "$SRCFILE"; then
michael@0: 	         cp "$SRCFILE" lex.yy.c
michael@0: 	    fi
michael@0: 	  ;;
michael@0: 	esac
michael@0:     fi
michael@0:     if test ! -f lex.yy.c; then
michael@0: 	echo 'main() { return 0; }' >lex.yy.c
michael@0:     fi
michael@0:     ;;
michael@0: 
michael@0:   help2man)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' is $msg.  You should only need it if
michael@0: 	 you modified a dependency of a manual page.  You may need the
michael@0: 	 \`Help2man' package in order for those modifications to take
michael@0: 	 effect.  You can get \`Help2man' from any GNU archive site."
michael@0: 
michael@0:     file=`echo "$*" | sed -n "$sed_output"`
michael@0:     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
michael@0:     if test -f "$file"; then
michael@0: 	touch $file
michael@0:     else
michael@0: 	test -z "$file" || exec >$file
michael@0: 	echo ".ab help2man is required to generate this page"
michael@0: 	exit 1
michael@0:     fi
michael@0:     ;;
michael@0: 
michael@0:   makeinfo)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' is $msg.  You should only need it if
michael@0:          you modified a \`.texi' or \`.texinfo' file, or any other file
michael@0:          indirectly affecting the aspect of the manual.  The spurious
michael@0:          call might also be the consequence of using a buggy \`make' (AIX,
michael@0:          DU, IRIX).  You might want to install the \`Texinfo' package or
michael@0:          the \`GNU make' package.  Grab either from any GNU archive site."
michael@0:     # The file to touch is that specified with -o ...
michael@0:     file=`echo "$*" | sed -n "$sed_output"`
michael@0:     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
michael@0:     if test -z "$file"; then
michael@0:       # ... or it is the one specified with @setfilename ...
michael@0:       infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
michael@0:       file=`sed -n '
michael@0: 	/^@setfilename/{
michael@0: 	  s/.* \([^ ]*\) *$/\1/
michael@0: 	  p
michael@0: 	  q
michael@0: 	}' $infile`
michael@0:       # ... or it is derived from the source name (dir/f.texi becomes f.info)
michael@0:       test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
michael@0:     fi
michael@0:     # If the file does not exist, the user really needs makeinfo;
michael@0:     # let's fail without touching anything.
michael@0:     test -f $file || exit 1
michael@0:     touch $file
michael@0:     ;;
michael@0: 
michael@0:   tar)
michael@0:     shift
michael@0: 
michael@0:     # We have already tried tar in the generic part.
michael@0:     # Look for gnutar/gtar before invocation to avoid ugly error
michael@0:     # messages.
michael@0:     if (gnutar --version > /dev/null 2>&1); then
michael@0:        gnutar "$@" && exit 0
michael@0:     fi
michael@0:     if (gtar --version > /dev/null 2>&1); then
michael@0:        gtar "$@" && exit 0
michael@0:     fi
michael@0:     firstarg="$1"
michael@0:     if shift; then
michael@0: 	case $firstarg in
michael@0: 	*o*)
michael@0: 	    firstarg=`echo "$firstarg" | sed s/o//`
michael@0: 	    tar "$firstarg" "$@" && exit 0
michael@0: 	    ;;
michael@0: 	esac
michael@0: 	case $firstarg in
michael@0: 	*h*)
michael@0: 	    firstarg=`echo "$firstarg" | sed s/h//`
michael@0: 	    tar "$firstarg" "$@" && exit 0
michael@0: 	    ;;
michael@0: 	esac
michael@0:     fi
michael@0: 
michael@0:     echo 1>&2 "\
michael@0: WARNING: I can't seem to be able to run \`tar' with the given arguments.
michael@0:          You may want to install GNU tar or Free paxutils, or check the
michael@0:          command line arguments."
michael@0:     exit 1
michael@0:     ;;
michael@0: 
michael@0:   *)
michael@0:     echo 1>&2 "\
michael@0: WARNING: \`$1' is needed, and is $msg.
michael@0:          You might have modified some files without having the
michael@0:          proper tools for further handling them.  Check the \`README' file,
michael@0:          it often tells you about the needed prerequisites for installing
michael@0:          this package.  You may also peek at any GNU archive site, in case
michael@0:          some other package would contain this missing \`$1' program."
michael@0:     exit 1
michael@0:     ;;
michael@0: esac
michael@0: 
michael@0: exit 0
michael@0: 
michael@0: # Local variables:
michael@0: # eval: (add-hook 'write-file-hooks 'time-stamp)
michael@0: # time-stamp-start: "scriptversion="
michael@0: # time-stamp-format: "%:y-%02m-%02d.%02H"
michael@0: # time-stamp-end: "$"
michael@0: # End: