missing

   1 #! /bin/sh
   2 # Common stub for a few missing GNU programs while installing.
   3
   4 scriptversion=2005-06-08.21
   5
   6 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005
   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
  37 # In the cases where this matters, `missing' is being run in the
  38 # srcdir already.
  39 if test -f configure.ac; then
  40   configure_ac=configure.ac
  41 else
  42   configure_ac=configure.in
  43 fi
  44
  45 msg="missing on your system"
  46
  47 case "$1" in
  48 --run)
  49   # Try to run requested program, and just exit if it succeeds.
  50   run=
  51   shift
  52   "$@" && exit 0
  53   # Exit code 63 means version mismatch.  This often happens
  54   # when the user try to use an ancient version of a tool on
  55   # a file that requires a minimum version.  In this case we
  56   # we should proceed has if the program had been absent, or
  57   # if --run hadn't been passed.
  58   if test $? = 63; then
  59     run=:
  60     msg="probably too old"
  61   fi
  62   ;;
  63
  64   -h|--h|--he|--hel|--help)
  65     echo "\
  66 $0 [OPTION]... PROGRAM [ARGUMENT]...
  67
  68 Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
  69 error status if there is no known handling for PROGRAM.
  70
  71 Options:
  72   -h, --help      display this help and exit
  73   -v, --version   output version information and exit
  74   --run           try to run the given command, and emulate it if it fails
  75
  76 Supported PROGRAM values:
  77   aclocal      touch file \`aclocal.m4'
  78   autoconf     touch file \`configure'
  79   autoheader   touch file \`config.h.in'
  80   automake     touch all \`Makefile.in' files
  81   bison        create \`y.tab.[ch]', if possible, from existing .[ch]
  82   flex         create \`lex.yy.c', if possible, from existing .c
  83   help2man     touch the output file
  84   lex          create \`lex.yy.c', if possible, from existing .c
  85   makeinfo     touch the output file
  86   tar          try tar, gnutar, gtar, then tar without non-portable flags
  87   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
  88
  89 Send bug reports to <bug-automake@gnu.org>."
  90     exit $?
  91     ;;
  92
  93   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
  94     echo "missing $scriptversion (GNU Automake)"
  95     exit $?
  96     ;;
  97
  98   -*)
  99     echo 1>&2 "$0: Unknown \`$1' option"
 100     echo 1>&2 "Try \`$0 --help' for more information"
 101     exit 1
 102     ;;
 103
 104 esac
 105
 106 # Now exit if we have it, but it failed.  Also exit now if we
 107 # don't have it and --version was passed (most likely to detect
 108 # the program).
 109 case "$1" in
 110   lex|yacc)
 111     # Not GNU programs, they don't have --version.
 112     ;;
 113
 114   tar)
 115     if test -n "$run"; then
 116        echo 1>&2 "ERROR: \`tar' requires --run"
 117        exit 1
 118     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
 119        exit 1
 120     fi
 121     ;;
 122
 123   *)
 124     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
 125        # We have it, but it failed.
 126        exit 1
 127     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
 128        # Could not run --version or --help.  This is probably someone
 129        # running `$TOOL --version' or `$TOOL --help' to check whether
 130        # $TOOL exists and not knowing $TOOL uses missing.
 131        exit 1
 132     fi
 133     ;;
 134 esac
 135
 136 # If it does not exist, or fails to run (possibly an outdated version),
 137 # try to emulate it.
 138 case "$1" in
 139   aclocal*)
 140     echo 1>&2 "\
 141 WARNING: \`$1' is $msg.  You should only need it if
 142          you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
 143          to install the \`Automake' and \`Perl' packages.  Grab them from
 144          any GNU archive site."
 145     touch aclocal.m4
 146     ;;
 147
 148   autoconf)
 149     echo 1>&2 "\
 150 WARNING: \`$1' is $msg.  You should only need it if
 151          you modified \`${configure_ac}'.  You might want to install the
 152          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
 153          archive site."
 154     touch configure
 155     ;;
 156
 157   autoheader)
 158     echo 1>&2 "\
 159 WARNING: \`$1' is $msg.  You should only need it if
 160          you modified \`acconfig.h' or \`${configure_ac}'.  You might want
 161          to install the \`Autoconf' and \`GNU m4' packages.  Grab them
 162          from any GNU archive site."
 163     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
 164     test -z "$files" && files="config.h"
 165     touch_files=
 166     for f in $files; do
 167       case "$f" in
 168       *:*) touch_files="$touch_files "`echo "$f" |
 169                                        sed -e 's/^[^:]*://' -e 's/:.*//'`;;
 170       *) touch_files="$touch_files $f.in";;
 171       esac
 172     done
 173     touch $touch_files
 174     ;;
 175
 176   automake*)
 177     echo 1>&2 "\
 178 WARNING: \`$1' is $msg.  You should only need it if
 179          you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
 180          You might want to install the \`Automake' and \`Perl' packages.
 181          Grab them from any GNU archive site."
 182     find . -type f -name Makefile.am -print |
 183            sed 's/\.am$/.in/' |
 184            while read f; do touch "$f"; done
 185     ;;
 186
 187   autom4te)
 188     echo 1>&2 "\
 189 WARNING: \`$1' is needed, but is $msg.
 190          You might have modified some files without having the
 191          proper tools for further handling them.
 192          You can get \`$1' as part of \`Autoconf' from any GNU
 193          archive site."
 194
 195     file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
 196     test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
 197     if test -f "$file"; then
 198         touch $file
 199     else
 200         test -z "$file" || exec >$file
 201         echo "#! /bin/sh"
 202         echo "# Created by GNU Automake missing as a replacement of"
 203         echo "#  $ $@"
 204         echo "exit 0"
 205         chmod +x $file
 206         exit 1
 207     fi
 208     ;;
 209
 210   bison|yacc)
 211     echo 1>&2 "\
 212 WARNING: \`$1' $msg.  You should only need it if
 213          you modified a \`.y' file.  You may need the \`Bison' package
 214          in order for those modifications to take effect.  You can get
 215          \`Bison' from any GNU archive site."
 216     rm -f y.tab.c y.tab.h
 217     if [ $# -ne 1 ]; then
 218         eval LASTARG="\${$#}"
 219         case "$LASTARG" in
 220         *.y)
 221             SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
 222             if [ -f "$SRCFILE" ]; then
 223                  cp "$SRCFILE" y.tab.c
 224             fi
 225             SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
 226             if [ -f "$SRCFILE" ]; then
 227                  cp "$SRCFILE" y.tab.h
 228             fi
 229           ;;
 230         esac
 231     fi
 232     if [ ! -f y.tab.h ]; then
 233         echo >y.tab.h
 234     fi
 235     if [ ! -f y.tab.c ]; then
 236         echo 'main() { return 0; }' >y.tab.c
 237     fi
 238     ;;
 239
 240   lex|flex)
 241     echo 1>&2 "\
 242 WARNING: \`$1' is $msg.  You should only need it if
 243          you modified a \`.l' file.  You may need the \`Flex' package
 244          in order for those modifications to take effect.  You can get
 245          \`Flex' from any GNU archive site."
 246     rm -f lex.yy.c
 247     if [ $# -ne 1 ]; then
 248         eval LASTARG="\${$#}"
 249         case "$LASTARG" in
 250         *.l)
 251             SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
 252             if [ -f "$SRCFILE" ]; then
 253                  cp "$SRCFILE" lex.yy.c
 254             fi
 255           ;;
 256         esac
 257     fi
 258     if [ ! -f lex.yy.c ]; then
 259         echo 'main() { return 0; }' >lex.yy.c
 260     fi
 261     ;;
 262
 263   help2man)
 264     echo 1>&2 "\
 265 WARNING: \`$1' is $msg.  You should only need it if
 266          you modified a dependency of a manual page.  You may need the
 267          \`Help2man' package in order for those modifications to take
 268          effect.  You can get \`Help2man' from any GNU archive site."
 269
 270     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
 271     if test -z "$file"; then
 272         file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
 273     fi
 274     if [ -f "$file" ]; then
 275         touch $file
 276     else
 277         test -z "$file" || exec >$file
 278         echo ".ab help2man is required to generate this page"
 279         exit 1
 280     fi
 281     ;;
 282
 283   makeinfo)
 284     echo 1>&2 "\
 285 WARNING: \`$1' is $msg.  You should only need it if
 286          you modified a \`.texi' or \`.texinfo' file, or any other file
 287          indirectly affecting the aspect of the manual.  The spurious
 288          call might also be the consequence of using a buggy \`make' (AIX,
 289          DU, IRIX).  You might want to install the \`Texinfo' package or
 290          the \`GNU make' package.  Grab either from any GNU archive site."
 291     # The file to touch is that specified with -o ...
 292     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
 293     if test -z "$file"; then
 294       # ... or it is the one specified with @setfilename ...
 295       infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
 296       file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $infile`
 297       # ... or it is derived from the source name (dir/f.texi becomes f.info)
 298       test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
 299     fi
 300     # If the file does not exist, the user really needs makeinfo;
 301     # let's fail without touching anything.
 302     test -f $file || exit 1
 303     touch $file
 304     ;;
 305
 306   tar)
 307     shift
 308
 309     # We have already tried tar in the generic part.
 310     # Look for gnutar/gtar before invocation to avoid ugly error
 311     # messages.
 312     if (gnutar --version > /dev/null 2>&1); then
 313        gnutar "$@" && exit 0
 314     fi
 315     if (gtar --version > /dev/null 2>&1); then
 316        gtar "$@" && exit 0
 317     fi
 318     firstarg="$1"
 319     if shift; then
 320         case "$firstarg" in
 321         *o*)
 322             firstarg=`echo "$firstarg" | sed s/o//`
 323             tar "$firstarg" "$@" && exit 0
 324             ;;
 325         esac
 326         case "$firstarg" in
 327         *h*)
 328             firstarg=`echo "$firstarg" | sed s/h//`
 329             tar "$firstarg" "$@" && exit 0
 330             ;;
 331         esac
 332     fi
 333
 334     echo 1>&2 "\
 335 WARNING: I can't seem to be able to run \`tar' with the given arguments.
 336          You may want to install GNU tar or Free paxutils, or check the
 337          command line arguments."
 338     exit 1
 339     ;;
 340
 341   *)
 342     echo 1>&2 "\
 343 WARNING: \`$1' is needed, and is $msg.
 344          You might have modified some files without having the
 345          proper tools for further handling them.  Check the \`README' file,
 346          it often tells you about the needed prerequisites for installing
 347          this package.  You may also peek at any GNU archive site, in case
 348          some other package would contain this missing \`$1' program."
 349     exit 1
 350     ;;
 351 esac
 352
 353 exit 0
 354
 355 # Local variables:
 356 # eval: (add-hook 'write-file-hooks 'time-stamp)
 357 # time-stamp-start: "scriptversion="
 358 # time-stamp-format: "%:y-%02m-%02d.%02H"
 359 # time-stamp-end: "$"
 360 # End: