missing

   1 #! /bin/sh
   2 # Common stub for a few missing GNU programs while installing.
   3 # Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
   4 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2, or (at your option)
   9 # any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19 # 02111-1307, USA.
  20
  21 if test $# -eq 0; then
  22   echo 1>&2 "Try \`$0 --help' for more information"
  23   exit 1
  24 fi
  25
  26 run=:
  27
  28 case "$1" in
  29 --run)
  30   # Try to run requested program, and just exit if it succeeds.
  31   run=
  32   shift
  33   "$@" && exit 0
  34   ;;
  35 esac
  36
  37 # If it does not exist, or fails to run (possibly an outdated version),
  38 # try to emulate it.
  39 case "$1" in
  40
  41   -h|--h|--he|--hel|--help)
  42     echo "\
  43 $0 [OPTION]... PROGRAM [ARGUMENT]...
  44
  45 Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
  46 error status if there is no known handling for PROGRAM.
  47
  48 Options:
  49   -h, --help      display this help and exit
  50   -v, --version   output version information and exit
  51   --run           try to run the given command, and emulate it if it fails
  52
  53 Supported PROGRAM values:
  54   aclocal      touch file \`aclocal.m4'
  55   autoconf     touch file \`configure'
  56   autoheader   touch file \`config.h.in'
  57   automake     touch all \`Makefile.in' files
  58   bison        create \`y.tab.[ch]', if possible, from existing .[ch]
  59   flex         create \`lex.yy.c', if possible, from existing .c
  60   help2man     touch the output file
  61   lex          create \`lex.yy.c', if possible, from existing .c
  62   makeinfo     touch the output file
  63   tar          try tar, gnutar, gtar, then tar without non-portable flags
  64   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]"
  65     ;;
  66
  67   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
  68     echo "missing 0.3 - GNU automake"
  69     ;;
  70
  71   -*)
  72     echo 1>&2 "$0: Unknown \`$1' option"
  73     echo 1>&2 "Try \`$0 --help' for more information"
  74     exit 1
  75     ;;
  76
  77   aclocal)
  78     echo 1>&2 "\
  79 WARNING: \`$1' is missing on your system.  You should only need it if
  80          you modified \`acinclude.m4' or \`configure.in'.  You might want
  81          to install the \`Automake' and \`Perl' packages.  Grab them from
  82          any GNU archive site."
  83     touch aclocal.m4
  84     ;;
  85
  86   autoconf)
  87     echo 1>&2 "\
  88 WARNING: \`$1' is missing on your system.  You should only need it if
  89          you modified \`configure.in'.  You might want to install the
  90          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
  91          archive site."
  92     touch configure
  93     ;;
  94
  95   autoheader)
  96     echo 1>&2 "\
  97 WARNING: \`$1' is missing on your system.  You should only need it if
  98          you modified \`acconfig.h' or \`configure.in'.  You might want
  99          to install the \`Autoconf' and \`GNU m4' packages.  Grab them
 100          from any GNU archive site."
 101     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' configure.in`
 102     test -z "$files" && files="config.h"
 103     touch_files=
 104     for f in $files; do
 105       case "$f" in
 106       *:*) touch_files="$touch_files "`echo "$f" |
 107                                        sed -e 's/^[^:]*://' -e 's/:.*//'`;;
 108       *) touch_files="$touch_files $f.in";;
 109       esac
 110     done
 111     touch $touch_files
 112     ;;
 113
 114   automake)
 115     echo 1>&2 "\
 116 WARNING: \`$1' is missing on your system.  You should only need it if
 117          you modified \`Makefile.am', \`acinclude.m4' or \`configure.in'.
 118          You might want to install the \`Automake' and \`Perl' packages.
 119          Grab them from any GNU archive site."
 120     find . -type f -name Makefile.am -print |
 121            sed 's/\.am$/.in/' |
 122            while read f; do touch "$f"; done
 123     ;;
 124
 125   bison|yacc)
 126     echo 1>&2 "\
 127 WARNING: \`$1' is missing on your system.  You should only need it if
 128          you modified a \`.y' file.  You may need the \`Bison' package
 129          in order for those modifications to take effect.  You can get
 130          \`Bison' from any GNU archive site."
 131     rm -f y.tab.c y.tab.h
 132     if [ $# -ne 1 ]; then
 133         eval LASTARG="\${$#}"
 134         case "$LASTARG" in
 135         *.y)
 136             SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
 137             if [ -f "$SRCFILE" ]; then
 138                  cp "$SRCFILE" y.tab.c
 139             fi
 140             SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
 141             if [ -f "$SRCFILE" ]; then
 142                  cp "$SRCFILE" y.tab.h
 143             fi
 144           ;;
 145         esac
 146     fi
 147     if [ ! -f y.tab.h ]; then
 148         echo >y.tab.h
 149     fi
 150     if [ ! -f y.tab.c ]; then
 151         echo 'main() { return 0; }' >y.tab.c
 152     fi
 153     ;;
 154
 155   lex|flex)
 156     echo 1>&2 "\
 157 WARNING: \`$1' is missing on your system.  You should only need it if
 158          you modified a \`.l' file.  You may need the \`Flex' package
 159          in order for those modifications to take effect.  You can get
 160          \`Flex' from any GNU archive site."
 161     rm -f lex.yy.c
 162     if [ $# -ne 1 ]; then
 163         eval LASTARG="\${$#}"
 164         case "$LASTARG" in
 165         *.l)
 166             SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
 167             if [ -f "$SRCFILE" ]; then
 168                  cp "$SRCFILE" lex.yy.c
 169             fi
 170           ;;
 171         esac
 172     fi
 173     if [ ! -f lex.yy.c ]; then
 174         echo 'main() { return 0; }' >lex.yy.c
 175     fi
 176     ;;
 177
 178   help2man)
 179     echo 1>&2 "\
 180 WARNING: \`$1' is missing on your system.  You should only need it if
 181          you modified a dependency of a manual page.  You may need the
 182          \`Help2man' package in order for those modifications to take
 183          effect.  You can get \`Help2man' from any GNU archive site."
 184
 185     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
 186     if test -z "$file"; then
 187         file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
 188     fi
 189     if [ -f "$file" ]; then
 190         touch $file
 191     else
 192         test -z "$file" || exec >$file
 193         echo ".ab help2man is required to generate this page"
 194         exit 1
 195     fi
 196     ;;
 197
 198   makeinfo)
 199     echo 1>&2 "\
 200 WARNING: \`$1' is missing on your system.  You should only need it if
 201          you modified a \`.texi' or \`.texinfo' file, or any other file
 202          indirectly affecting the aspect of the manual.  The spurious
 203          call might also be the consequence of using a buggy \`make' (AIX,
 204          DU, IRIX).  You might want to install the \`Texinfo' package or
 205          the \`GNU make' package.  Grab either from any GNU archive site."
 206     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
 207     if test -z "$file"; then
 208       file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
 209       file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
 210     fi
 211     touch $file
 212     ;;
 213
 214   tar)
 215     shift
 216     if test -n "$run"; then
 217       echo 1>&2 "ERROR: \`tar' requires --run"
 218       exit 1
 219     fi
 220
 221     # We have already tried tar in the generic part.
 222     # Look for gnutar/gtar before invocation to avoid ugly error
 223     # messages.
 224     if (gnutar --version > /dev/null 2>&1); then
 225        gnutar ${1+"$@"} && exit 0
 226     fi
 227     if (gtar --version > /dev/null 2>&1); then
 228        gtar ${1+"$@"} && exit 0
 229     fi
 230     firstarg="$1"
 231     if shift; then
 232         case "$firstarg" in
 233         *o*)
 234             firstarg=`echo "$firstarg" | sed s/o//`
 235             tar "$firstarg" ${1+"$@"} && exit 0
 236             ;;
 237         esac
 238         case "$firstarg" in
 239         *h*)
 240             firstarg=`echo "$firstarg" | sed s/h//`
 241             tar "$firstarg" ${1+"$@"} && exit 0
 242             ;;
 243         esac
 244     fi
 245
 246     echo 1>&2 "\
 247 WARNING: I can't seem to be able to run \`tar' with the given arguments.
 248          You may want to install GNU tar or Free paxutils, or check the
 249          command line arguments."
 250     exit 1
 251     ;;
 252
 253   *)
 254     echo 1>&2 "\
 255 WARNING: \`$1' is needed, and you do not seem to have it handy on your
 256          system.  You might have modified some files without having the
 257          proper tools for further handling them.  Check the \`README' file,
 258          it often tells you about the needed prerequirements for installing
 259          this package.  You may also peek at any GNU archive site, in case
 260          some other package would contain this missing \`$1' program."
 261     exit 1
 262     ;;
 263 esac
 264
 265 exit 0