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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: