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    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: