config/missing

   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: