third_party/libevent/missing

   1 #! /bin/sh
   2 # Common stub for a few missing GNU programs while installing.
   3
   4 scriptversion=2003-09-02.23
   5
   6 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003
   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., 59 Temple Place - Suite 330, Boston, MA
  23 # 02111-1307, 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 esac
  64
  65 # If it does not exist, or fails to run (possibly an outdated version),
  66 # try to emulate it.
  67 case "$1" in
  68
  69   -h|--h|--he|--hel|--help)
  70     echo "\
  71 $0 [OPTION]... PROGRAM [ARGUMENT]...
  72
  73 Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
  74 error status if there is no known handling for PROGRAM.
  75
  76 Options:
  77   -h, --help      display this help and exit
  78   -v, --version   output version information and exit
  79   --run           try to run the given command, and emulate it if it fails
  80
  81 Supported PROGRAM values:
  82   aclocal      touch file \`aclocal.m4'
  83   autoconf     touch file \`configure'
  84   autoheader   touch file \`config.h.in'
  85   automake     touch all \`Makefile.in' files
  86   bison        create \`y.tab.[ch]', if possible, from existing .[ch]
  87   flex         create \`lex.yy.c', if possible, from existing .c
  88   help2man     touch the output file
  89   lex          create \`lex.yy.c', if possible, from existing .c
  90   makeinfo     touch the output file
  91   tar          try tar, gnutar, gtar, then tar without non-portable flags
  92   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
  93
  94 Send bug reports to <bug-automake@gnu.org>."
  95     ;;
  96
  97   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
  98     echo "missing $scriptversion (GNU Automake)"
  99     ;;
 100
 101   -*)
 102     echo 1>&2 "$0: Unknown \`$1' option"
 103     echo 1>&2 "Try \`$0 --help' for more information"
 104     exit 1
 105     ;;
 106
 107   aclocal*)
 108     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
 109        # We have it, but it failed.
 110        exit 1
 111     fi
 112
 113     echo 1>&2 "\
 114 WARNING: \`$1' is $msg.  You should only need it if
 115          you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
 116          to install the \`Automake' and \`Perl' packages.  Grab them from
 117          any GNU archive site."
 118     touch aclocal.m4
 119     ;;
 120
 121   autoconf)
 122     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
 123        # We have it, but it failed.
 124        exit 1
 125     fi
 126
 127     echo 1>&2 "\
 128 WARNING: \`$1' is $msg.  You should only need it if
 129          you modified \`${configure_ac}'.  You might want to install the
 130          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
 131          archive site."
 132     touch configure
 133     ;;
 134
 135   autoheader)
 136     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
 137        # We have it, but it failed.
 138        exit 1
 139     fi
 140
 141     echo 1>&2 "\
 142 WARNING: \`$1' is $msg.  You should only need it if
 143          you modified \`acconfig.h' or \`${configure_ac}'.  You might want
 144          to install the \`Autoconf' and \`GNU m4' packages.  Grab them
 145          from any GNU archive site."
 146     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
 147     test -z "$files" && files="config.h"
 148     touch_files=
 149     for f in $files; do
 150       case "$f" in
 151       *:*) touch_files="$touch_files "`echo "$f" |
 152                                        sed -e 's/^[^:]*://' -e 's/:.*//'`;;
 153       *) touch_files="$touch_files $f.in";;
 154       esac
 155     done
 156     touch $touch_files
 157     ;;
 158
 159   automake*)
 160     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
 161        # We have it, but it failed.
 162        exit 1
 163     fi
 164
 165     echo 1>&2 "\
 166 WARNING: \`$1' is $msg.  You should only need it if
 167          you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
 168          You might want to install the \`Automake' and \`Perl' packages.
 169          Grab them from any GNU archive site."
 170     find . -type f -name Makefile.am -print |
 171            sed 's/\.am$/.in/' |
 172            while read f; do touch "$f"; done
 173     ;;
 174
 175   autom4te)
 176     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
 177        # We have it, but it failed.
 178        exit 1
 179     fi
 180
 181     echo 1>&2 "\
 182 WARNING: \`$1' is needed, but is $msg.
 183          You might have modified some files without having the
 184          proper tools for further handling them.
 185          You can get \`$1' as part of \`Autoconf' from any GNU
 186          archive site."
 187
 188     file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
 189     test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
 190     if test -f "$file"; then
 191         touch $file
 192     else
 193         test -z "$file" || exec >$file
 194         echo "#! /bin/sh"
 195         echo "# Created by GNU Automake missing as a replacement of"
 196         echo "#  $ $@"
 197         echo "exit 0"
 198         chmod +x $file
 199         exit 1
 200     fi
 201     ;;
 202
 203   bison|yacc)
 204     echo 1>&2 "\
 205 WARNING: \`$1' $msg.  You should only need it if
 206          you modified a \`.y' file.  You may need the \`Bison' package
 207          in order for those modifications to take effect.  You can get
 208          \`Bison' from any GNU archive site."
 209     rm -f y.tab.c y.tab.h
 210     if [ $# -ne 1 ]; then
 211         eval LASTARG="\${$#}"
 212         case "$LASTARG" in
 213         *.y)
 214             SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
 215             if [ -f "$SRCFILE" ]; then
 216                  cp "$SRCFILE" y.tab.c
 217             fi
 218             SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
 219             if [ -f "$SRCFILE" ]; then
 220                  cp "$SRCFILE" y.tab.h
 221             fi
 222           ;;
 223         esac
 224     fi
 225     if [ ! -f y.tab.h ]; then
 226         echo >y.tab.h
 227     fi
 228     if [ ! -f y.tab.c ]; then
 229         echo 'main() { return 0; }' >y.tab.c
 230     fi
 231     ;;
 232
 233   lex|flex)
 234     echo 1>&2 "\
 235 WARNING: \`$1' is $msg.  You should only need it if
 236          you modified a \`.l' file.  You may need the \`Flex' package
 237          in order for those modifications to take effect.  You can get
 238          \`Flex' from any GNU archive site."
 239     rm -f lex.yy.c
 240     if [ $# -ne 1 ]; then
 241         eval LASTARG="\${$#}"
 242         case "$LASTARG" in
 243         *.l)
 244             SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
 245             if [ -f "$SRCFILE" ]; then
 246                  cp "$SRCFILE" lex.yy.c
 247             fi
 248           ;;
 249         esac
 250     fi
 251     if [ ! -f lex.yy.c ]; then
 252         echo 'main() { return 0; }' >lex.yy.c
 253     fi
 254     ;;
 255
 256   help2man)
 257     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
 258        # We have it, but it failed.
 259        exit 1
 260     fi
 261
 262     echo 1>&2 "\
 263 WARNING: \`$1' is $msg.  You should only need it if
 264          you modified a dependency of a manual page.  You may need the
 265          \`Help2man' package in order for those modifications to take
 266          effect.  You can get \`Help2man' from any GNU archive site."
 267
 268     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
 269     if test -z "$file"; then
 270         file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
 271     fi
 272     if [ -f "$file" ]; then
 273         touch $file
 274     else
 275         test -z "$file" || exec >$file
 276         echo ".ab help2man is required to generate this page"
 277         exit 1
 278     fi
 279     ;;
 280
 281   makeinfo)
 282     if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then
 283        # We have makeinfo, but it failed.
 284        exit 1
 285     fi
 286
 287     echo 1>&2 "\
 288 WARNING: \`$1' is $msg.  You should only need it if
 289          you modified a \`.texi' or \`.texinfo' file, or any other file
 290          indirectly affecting the aspect of the manual.  The spurious
 291          call might also be the consequence of using a buggy \`make' (AIX,
 292          DU, IRIX).  You might want to install the \`Texinfo' package or
 293          the \`GNU make' package.  Grab either from any GNU archive site."
 294     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
 295     if test -z "$file"; then
 296       file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
 297       file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
 298     fi
 299     touch $file
 300     ;;
 301
 302   tar)
 303     shift
 304     if test -n "$run"; then
 305       echo 1>&2 "ERROR: \`tar' requires --run"
 306       exit 1
 307     fi
 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: