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