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    1 #! /bin/sh
    2 # Common stub for a few missing GNU programs while installing.
    3 
    4 scriptversion=2006-05-10.23
    5 
    6 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006
    7 #   Free Software Foundation, Inc.
    8 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
    9 
   10 # This program is free software; you can redistribute it and/or modify
   11 # it under the terms of the GNU General Public License as published by
   12 # the Free Software Foundation; either version 2, or (at your option)
   13 # any later version.
   14 
   15 # This program is distributed in the hope that it will be useful,
   16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18 # GNU General Public License for more details.
   19 
   20 # You should have received a copy of the GNU General Public License
   21 # along with this program; if not, write to the Free Software
   22 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
   23 # 02110-1301, USA.
   24 
   25 # As a special exception to the GNU General Public License, if you
   26 # distribute this file as part of a program that contains a
   27 # configuration script generated by Autoconf, you may include it under
   28 # the same distribution terms that you use for the rest of that program.
   29 
   30 if test $# -eq 0; then
   31   echo 1>&2 "Try \`$0 --help' for more information"
   32   exit 1
   33 fi
   34 
   35 run=:
   36 sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
   37 sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
   38 
   39 # In the cases where this matters, `missing' is being run in the
   40 # srcdir already.
   41 if test -f configure.ac; then
   42   configure_ac=configure.ac
   43 else
   44   configure_ac=configure.in
   45 fi
   46 
   47 msg="missing on your system"
   48 
   49 case $1 in
   50 --run)
   51   # Try to run requested program, and just exit if it succeeds.
   52   run=
   53   shift
   54   "$@" && exit 0
   55   # Exit code 63 means version mismatch.  This often happens
   56   # when the user try to use an ancient version of a tool on
   57   # a file that requires a minimum version.  In this case we
   58   # we should proceed has if the program had been absent, or
   59   # if --run hadn't been passed.
   60   if test $? = 63; then
   61     run=:
   62     msg="probably too old"
   63   fi
   64   ;;
   65 
   66   -h|--h|--he|--hel|--help)
   67     echo "\
   68 $0 [OPTION]... PROGRAM [ARGUMENT]...
   69 
   70 Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
   71 error status if there is no known handling for PROGRAM.
   72 
   73 Options:
   74   -h, --help      display this help and exit
   75   -v, --version   output version information and exit
   76   --run           try to run the given command, and emulate it if it fails
   77 
   78 Supported PROGRAM values:
   79   aclocal      touch file \`aclocal.m4'
   80   autoconf     touch file \`configure'
   81   autoheader   touch file \`config.h.in'
   82   autom4te     touch the output file, or create a stub one
   83   automake     touch all \`Makefile.in' files
   84   bison        create \`y.tab.[ch]', if possible, from existing .[ch]
   85   flex         create \`lex.yy.c', if possible, from existing .c
   86   help2man     touch the output file
   87   lex          create \`lex.yy.c', if possible, from existing .c
   88   makeinfo     touch the output file
   89   tar          try tar, gnutar, gtar, then tar without non-portable flags
   90   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
   91 
   92 Send bug reports to <bug-automake@gnu.org>."
   93     exit $?
   94     ;;
   95 
   96   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
   97     echo "missing $scriptversion (GNU Automake)"
   98     exit $?
   99     ;;
  100 
  101   -*)
  102     echo 1>&2 "$0: Unknown \`$1' option"
  103     echo 1>&2 "Try \`$0 --help' for more information"
  104     exit 1
  105     ;;
  106 
  107 esac
  108 
  109 # Now exit if we have it, but it failed.  Also exit now if we
  110 # don't have it and --version was passed (most likely to detect
  111 # the program).
  112 case $1 in
  113   lex|yacc)
  114     # Not GNU programs, they don't have --version.
  115     ;;
  116 
  117   tar)
  118     if test -n "$run"; then
  119        echo 1>&2 "ERROR: \`tar' requires --run"
  120        exit 1
  121     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
  122        exit 1
  123     fi
  124     ;;
  125 
  126   *)
  127     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
  128        # We have it, but it failed.
  129        exit 1
  130     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
  131        # Could not run --version or --help.  This is probably someone
  132        # running `$TOOL --version' or `$TOOL --help' to check whether
  133        # $TOOL exists and not knowing $TOOL uses missing.
  134        exit 1
  135     fi
  136     ;;
  137 esac
  138 
  139 # If it does not exist, or fails to run (possibly an outdated version),
  140 # try to emulate it.
  141 case $1 in
  142   aclocal*)
  143     echo 1>&2 "\
  144 WARNING: \`$1' is $msg.  You should only need it if
  145          you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
  146          to install the \`Automake' and \`Perl' packages.  Grab them from
  147          any GNU archive site."
  148     touch aclocal.m4
  149     ;;
  150 
  151   autoconf)
  152     echo 1>&2 "\
  153 WARNING: \`$1' is $msg.  You should only need it if
  154          you modified \`${configure_ac}'.  You might want to install the
  155          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
  156          archive site."
  157     touch configure
  158     ;;
  159 
  160   autoheader)
  161     echo 1>&2 "\
  162 WARNING: \`$1' is $msg.  You should only need it if
  163          you modified \`acconfig.h' or \`${configure_ac}'.  You might want
  164          to install the \`Autoconf' and \`GNU m4' packages.  Grab them
  165          from any GNU archive site."
  166     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
  167     test -z "$files" && files="config.h"
  168     touch_files=
  169     for f in $files; do
  170       case $f in
  171       *:*) touch_files="$touch_files "`echo "$f" |
  172                        sed -e 's/^[^:]*://' -e 's/:.*//'`;;
  173       *) touch_files="$touch_files $f.in";;
  174       esac
  175     done
  176     touch $touch_files
  177     ;;
  178 
  179   automake*)
  180     echo 1>&2 "\
  181 WARNING: \`$1' is $msg.  You should only need it if
  182          you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
  183          You might want to install the \`Automake' and \`Perl' packages.
  184          Grab them from any GNU archive site."
  185     find . -type f -name Makefile.am -print |
  186        sed 's/\.am$/.in/' |
  187        while read f; do touch "$f"; done
  188     ;;
  189 
  190   autom4te)
  191     echo 1>&2 "\
  192 WARNING: \`$1' is needed, but is $msg.
  193          You might have modified some files without having the
  194          proper tools for further handling them.
  195          You can get \`$1' as part of \`Autoconf' from any GNU
  196          archive site."
  197 
  198     file=`echo "$*" | sed -n "$sed_output"`
  199     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
  200     if test -f "$file"; then
  201     touch $file
  202     else
  203     test -z "$file" || exec >$file
  204     echo "#! /bin/sh"
  205     echo "# Created by GNU Automake missing as a replacement of"
  206     echo "#  $ $@"
  207     echo "exit 0"
  208     chmod +x $file
  209     exit 1
  210     fi
  211     ;;
  212 
  213   bison|yacc)
  214     echo 1>&2 "\
  215 WARNING: \`$1' $msg.  You should only need it if
  216          you modified a \`.y' file.  You may need the \`Bison' package
  217          in order for those modifications to take effect.  You can get
  218          \`Bison' from any GNU archive site."
  219     rm -f y.tab.c y.tab.h
  220     if test $# -ne 1; then
  221         eval LASTARG="\${$#}"
  222     case $LASTARG in
  223     *.y)
  224         SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
  225         if test -f "$SRCFILE"; then
  226              cp "$SRCFILE" y.tab.c
  227         fi
  228         SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
  229         if test -f "$SRCFILE"; then
  230              cp "$SRCFILE" y.tab.h
  231         fi
  232       ;;
  233     esac
  234     fi
  235     if test ! -f y.tab.h; then
  236     echo >y.tab.h
  237     fi
  238     if test ! -f y.tab.c; then
  239     echo 'main() { return 0; }' >y.tab.c
  240     fi
  241     ;;
  242 
  243   lex|flex)
  244     echo 1>&2 "\
  245 WARNING: \`$1' is $msg.  You should only need it if
  246          you modified a \`.l' file.  You may need the \`Flex' package
  247          in order for those modifications to take effect.  You can get
  248          \`Flex' from any GNU archive site."
  249     rm -f lex.yy.c
  250     if test $# -ne 1; then
  251         eval LASTARG="\${$#}"
  252     case $LASTARG in
  253     *.l)
  254         SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
  255         if test -f "$SRCFILE"; then
  256              cp "$SRCFILE" lex.yy.c
  257         fi
  258       ;;
  259     esac
  260     fi
  261     if test ! -f lex.yy.c; then
  262     echo 'main() { return 0; }' >lex.yy.c
  263     fi
  264     ;;
  265 
  266   help2man)
  267     echo 1>&2 "\
  268 WARNING: \`$1' is $msg.  You should only need it if
  269      you modified a dependency of a manual page.  You may need the
  270      \`Help2man' package in order for those modifications to take
  271      effect.  You can get \`Help2man' from any GNU archive site."
  272 
  273     file=`echo "$*" | sed -n "$sed_output"`
  274     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
  275     if test -f "$file"; then
  276     touch $file
  277     else
  278     test -z "$file" || exec >$file
  279     echo ".ab help2man is required to generate this page"
  280     exit 1
  281     fi
  282     ;;
  283 
  284   makeinfo)
  285     echo 1>&2 "\
  286 WARNING: \`$1' is $msg.  You should only need it if
  287          you modified a \`.texi' or \`.texinfo' file, or any other file
  288          indirectly affecting the aspect of the manual.  The spurious
  289          call might also be the consequence of using a buggy \`make' (AIX,
  290          DU, IRIX).  You might want to install the \`Texinfo' package or
  291          the \`GNU make' package.  Grab either from any GNU archive site."
  292     # The file to touch is that specified with -o ...
  293     file=`echo "$*" | sed -n "$sed_output"`
  294     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
  295     if test -z "$file"; then
  296       # ... or it is the one specified with @setfilename ...
  297       infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
  298       file=`sed -n '
  299     /^@setfilename/{
  300       s/.* \([^ ]*\) *$/\1/
  301       p
  302       q
  303     }' $infile`
  304       # ... or it is derived from the source name (dir/f.texi becomes f.info)
  305       test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
  306     fi
  307     # If the file does not exist, the user really needs makeinfo;
  308     # let's fail without touching anything.
  309     test -f $file || exit 1
  310     touch $file
  311     ;;
  312 
  313   tar)
  314     shift
  315 
  316     # We have already tried tar in the generic part.
  317     # Look for gnutar/gtar before invocation to avoid ugly error
  318     # messages.
  319     if (gnutar --version > /dev/null 2>&1); then
  320        gnutar "$@" && exit 0
  321     fi
  322     if (gtar --version > /dev/null 2>&1); then
  323        gtar "$@" && exit 0
  324     fi
  325     firstarg="$1"
  326     if shift; then
  327     case $firstarg in
  328     *o*)
  329         firstarg=`echo "$firstarg" | sed s/o//`
  330         tar "$firstarg" "$@" && exit 0
  331         ;;
  332     esac
  333     case $firstarg in
  334     *h*)
  335         firstarg=`echo "$firstarg" | sed s/h//`
  336         tar "$firstarg" "$@" && exit 0
  337         ;;
  338     esac
  339     fi
  340 
  341     echo 1>&2 "\
  342 WARNING: I can't seem to be able to run \`tar' with the given arguments.
  343          You may want to install GNU tar or Free paxutils, or check the
  344          command line arguments."
  345     exit 1
  346     ;;
  347 
  348   *)
  349     echo 1>&2 "\
  350 WARNING: \`$1' is needed, and is $msg.
  351          You might have modified some files without having the
  352          proper tools for further handling them.  Check the \`README' file,
  353          it often tells you about the needed prerequisites for installing
  354          this package.  You may also peek at any GNU archive site, in case
  355          some other package would contain this missing \`$1' program."
  356     exit 1
  357     ;;
  358 esac
  359 
  360 exit 0
  361 
  362 # Local variables:
  363 # eval: (add-hook 'write-file-hooks 'time-stamp)
  364 # time-stamp-start: "scriptversion="
  365 # time-stamp-format: "%:y-%02m-%02d.%02H"
  366 # time-stamp-end: "$"
  367 # End: