missing

   1 #! /bin/sh
   2 # Common stub for a few missing GNU programs while installing.
   3
   4 scriptversion=2009-04-28.21; # UTC
   5
   6 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
   7 # 2008, 2009 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, see <http://www.gnu.org/licenses/>.
  22
  23 # As a special exception to the GNU General Public License, if you
  24 # distribute this file as part of a program that contains a
  25 # configuration script generated by Autoconf, you may include it under
  26 # the same distribution terms that you use for the rest of that program.
  27
  28 if test $# -eq 0; then
  29   echo 1>&2 "Try \`$0 --help' for more information"
  30   exit 1
  31 fi
  32
  33 run=:
  34 sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
  35 sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
  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   autom4te     touch the output file, or create a stub one
  81   automake     touch all \`Makefile.in' files
  82   bison        create \`y.tab.[ch]', if possible, from existing .[ch]
  83   flex         create \`lex.yy.c', if possible, from existing .c
  84   help2man     touch the output file
  85   lex          create \`lex.yy.c', if possible, from existing .c
  86   makeinfo     touch the output file
  87   tar          try tar, gnutar, gtar, then tar without non-portable flags
  88   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
  89
  90 Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
  91 \`g' are ignored when checking the name.
  92
  93 Send bug reports to <bug-automake@gnu.org>."
  94     exit $?
  95     ;;
  96
  97   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
  98     echo "missing $scriptversion (GNU Automake)"
  99     exit $?
 100     ;;
 101
 102   -*)
 103     echo 1>&2 "$0: Unknown \`$1' option"
 104     echo 1>&2 "Try \`$0 --help' for more information"
 105     exit 1
 106     ;;
 107
 108 esac
 109
 110 # normalize program name to check for.
 111 program=`echo "$1" | sed '
 112   s/^gnu-//; t
 113   s/^gnu//; t
 114   s/^g//; t'`
 115
 116 # Now exit if we have it, but it failed.  Also exit now if we
 117 # don't have it and --version was passed (most likely to detect
 118 # the program).  This is about non-GNU programs, so use $1 not
 119 # $program.
 120 case $1 in
 121   lex*|yacc*)
 122     # Not GNU programs, they don't have --version.
 123     ;;
 124
 125   tar*)
 126     if test -n "$run"; then
 127        echo 1>&2 "ERROR: \`tar' requires --run"
 128        exit 1
 129     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
 130        exit 1
 131     fi
 132     ;;
 133
 134   *)
 135     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
 136        # We have it, but it failed.
 137        exit 1
 138     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
 139        # Could not run --version or --help.  This is probably someone
 140        # running `$TOOL --version' or `$TOOL --help' to check whether
 141        # $TOOL exists and not knowing $TOOL uses missing.
 142        exit 1
 143     fi
 144     ;;
 145 esac
 146
 147 # If it does not exist, or fails to run (possibly an outdated version),
 148 # try to emulate it.
 149 case $program in
 150   aclocal*)
 151     echo 1>&2 "\
 152 WARNING: \`$1' is $msg.  You should only need it if
 153          you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
 154          to install the \`Automake' and \`Perl' packages.  Grab them from
 155          any GNU archive site."
 156     touch aclocal.m4
 157     ;;
 158
 159   autoconf*)
 160     echo 1>&2 "\
 161 WARNING: \`$1' is $msg.  You should only need it if
 162          you modified \`${configure_ac}'.  You might want to install the
 163          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
 164          archive site."
 165     touch configure
 166     ;;
 167
 168   autoheader*)
 169     echo 1>&2 "\
 170 WARNING: \`$1' is $msg.  You should only need it if
 171          you modified \`acconfig.h' or \`${configure_ac}'.  You might want
 172          to install the \`Autoconf' and \`GNU m4' packages.  Grab them
 173          from any GNU archive site."
 174     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
 175     test -z "$files" && files="config.h"
 176     touch_files=
 177     for f in $files; do
 178       case $f in
 179       *:*) touch_files="$touch_files "`echo "$f" |
 180                                        sed -e 's/^[^:]*://' -e 's/:.*//'`;;
 181       *) touch_files="$touch_files $f.in";;
 182       esac
 183     done
 184     touch $touch_files
 185     ;;
 186
 187   automake*)
 188     echo 1>&2 "\
 189 WARNING: \`$1' is $msg.  You should only need it if
 190          you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
 191          You might want to install the \`Automake' and \`Perl' packages.
 192          Grab them from any GNU archive site."
 193     find . -type f -name Makefile.am -print |
 194            sed 's/\.am$/.in/' |
 195            while read f; do touch "$f"; done
 196     ;;
 197
 198   autom4te*)
 199     echo 1>&2 "\
 200 WARNING: \`$1' is needed, but is $msg.
 201          You might have modified some files without having the
 202          proper tools for further handling them.
 203          You can get \`$1' as part of \`Autoconf' from any GNU
 204          archive site."
 205
 206     file=`echo "$*" | sed -n "$sed_output"`
 207     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
 208     if test -f "$file"; then
 209         touch $file
 210     else
 211         test -z "$file" || exec >$file
 212         echo "#! /bin/sh"
 213         echo "# Created by GNU Automake missing as a replacement of"
 214         echo "#  $ $@"
 215         echo "exit 0"
 216         chmod +x $file
 217         exit 1
 218     fi
 219     ;;
 220
 221   bison*|yacc*)
 222     echo 1>&2 "\
 223 WARNING: \`$1' $msg.  You should only need it if
 224          you modified a \`.y' file.  You may need the \`Bison' package
 225          in order for those modifications to take effect.  You can get
 226          \`Bison' from any GNU archive site."
 227     rm -f y.tab.c y.tab.h
 228     if test $# -ne 1; then
 229         eval LASTARG="\${$#}"
 230         case $LASTARG in
 231         *.y)
 232             SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
 233             if test -f "$SRCFILE"; then
 234                  cp "$SRCFILE" y.tab.c
 235             fi
 236             SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
 237             if test -f "$SRCFILE"; then
 238                  cp "$SRCFILE" y.tab.h
 239             fi
 240           ;;
 241         esac
 242     fi
 243     if test ! -f y.tab.h; then
 244         echo >y.tab.h
 245     fi
 246     if test ! -f y.tab.c; then
 247         echo 'main() { return 0; }' >y.tab.c
 248     fi
 249     ;;
 250
 251   lex*|flex*)
 252     echo 1>&2 "\
 253 WARNING: \`$1' is $msg.  You should only need it if
 254          you modified a \`.l' file.  You may need the \`Flex' package
 255          in order for those modifications to take effect.  You can get
 256          \`Flex' from any GNU archive site."
 257     rm -f lex.yy.c
 258     if test $# -ne 1; then
 259         eval LASTARG="\${$#}"
 260         case $LASTARG in
 261         *.l)
 262             SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
 263             if test -f "$SRCFILE"; then
 264                  cp "$SRCFILE" lex.yy.c
 265             fi
 266           ;;
 267         esac
 268     fi
 269     if test ! -f lex.yy.c; then
 270         echo 'main() { return 0; }' >lex.yy.c
 271     fi
 272     ;;
 273
 274   help2man*)
 275     echo 1>&2 "\
 276 WARNING: \`$1' is $msg.  You should only need it if
 277          you modified a dependency of a manual page.  You may need the
 278          \`Help2man' package in order for those modifications to take
 279          effect.  You can get \`Help2man' from any GNU archive site."
 280
 281     file=`echo "$*" | sed -n "$sed_output"`
 282     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
 283     if test -f "$file"; then
 284         touch $file
 285     else
 286         test -z "$file" || exec >$file
 287         echo ".ab help2man is required to generate this page"
 288         exit $?
 289     fi
 290     ;;
 291
 292   makeinfo*)
 293     echo 1>&2 "\
 294 WARNING: \`$1' is $msg.  You should only need it if
 295          you modified a \`.texi' or \`.texinfo' file, or any other file
 296          indirectly affecting the aspect of the manual.  The spurious
 297          call might also be the consequence of using a buggy \`make' (AIX,
 298          DU, IRIX).  You might want to install the \`Texinfo' package or
 299          the \`GNU make' package.  Grab either from any GNU archive site."
 300     # The file to touch is that specified with -o ...
 301     file=`echo "$*" | sed -n "$sed_output"`
 302     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
 303     if test -z "$file"; then
 304       # ... or it is the one specified with @setfilename ...
 305       infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
 306       file=`sed -n '
 307         /^@setfilename/{
 308           s/.* \([^ ]*\) *$/\1/
 309           p
 310           q
 311         }' $infile`
 312       # ... or it is derived from the source name (dir/f.texi becomes f.info)
 313       test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
 314     fi
 315     # If the file does not exist, the user really needs makeinfo;
 316     # let's fail without touching anything.
 317     test -f $file || exit 1
 318     touch $file
 319     ;;
 320
 321   tar*)
 322     shift
 323
 324     # We have already tried tar in the generic part.
 325     # Look for gnutar/gtar before invocation to avoid ugly error
 326     # messages.
 327     if (gnutar --version > /dev/null 2>&1); then
 328        gnutar "$@" && exit 0
 329     fi
 330     if (gtar --version > /dev/null 2>&1); then
 331        gtar "$@" && exit 0
 332     fi
 333     firstarg="$1"
 334     if shift; then
 335         case $firstarg in
 336         *o*)
 337             firstarg=`echo "$firstarg" | sed s/o//`
 338             tar "$firstarg" "$@" && exit 0
 339             ;;
 340         esac
 341         case $firstarg in
 342         *h*)
 343             firstarg=`echo "$firstarg" | sed s/h//`
 344             tar "$firstarg" "$@" && exit 0
 345             ;;
 346         esac
 347     fi
 348
 349     echo 1>&2 "\
 350 WARNING: I can't seem to be able to run \`tar' with the given arguments.
 351          You may want to install GNU tar or Free paxutils, or check the
 352          command line arguments."
 353     exit 1
 354     ;;
 355
 356   *)
 357     echo 1>&2 "\
 358 WARNING: \`$1' is needed, and is $msg.
 359          You might have modified some files without having the
 360          proper tools for further handling them.  Check the \`README' file,
 361          it often tells you about the needed prerequisites for installing
 362          this package.  You may also peek at any GNU archive site, in case
 363          some other package would contain this missing \`$1' program."
 364     exit 1
 365     ;;
 366 esac
 367
 368 exit 0
 369
 370 # Local variables:
 371 # eval: (add-hook 'write-file-hooks 'time-stamp)
 372 # time-stamp-start: "scriptversion="
 373 # time-stamp-format: "%:y-%02m-%02d.%02H"
 374 # time-stamp-time-zone: "UTC"
 375 # time-stamp-end: "; # UTC"
 376 # End: