build-aux/missing - platform/external/bison - Git at Google

 #! /bin/sh
 # Common stub for a few missing GNU programs while installing.

 scriptversion=2012-01-06.18; # UTC

 # Copyright (C) 1996-2012 Free Software Foundation, Inc.
 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.

 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2, or (at your option)
 # any later version.

 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.

 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
 # the same distribution terms that you use for the rest of that program.

 if test $# -eq 0; then
   echo 1>&2 "Try '$0 --help' for more information"
   exit 1
 fi

 run=:
 sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
 sed_minuso='s/.* -o \([^ ]*\).*/\1/p'

 # In the cases where this matters, 'missing' is being run in the
 # srcdir already.
 if test -f configure.ac; then
   configure_ac=configure.ac
 else
   configure_ac=configure.in
 fi

 msg="missing on your system"

 case $1 in
 --run)
   # Try to run requested program, and just exit if it succeeds.
   run=
   shift
   "$@" && exit 0
   # Exit code 63 means version mismatch.  This often happens
   # when the user try to use an ancient version of a tool on
   # a file that requires a minimum version.  In this case we
   # we should proceed has if the program had been absent, or
   # if --run hadn't been passed.
   if test $? = 63; then
     run=:
     msg="probably too old"
   fi
   ;;

   -h|--h|--he|--hel|--help)
     echo "\
 $0 [OPTION]... PROGRAM [ARGUMENT]...

 Handle 'PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
 error status if there is no known handling for PROGRAM.

 Options:
   -h, --help      display this help and exit
   -v, --version   output version information and exit
   --run           try to run the given command, and emulate it if it fails

 Supported PROGRAM values:
   aclocal      touch file 'aclocal.m4'
   autoconf     touch file 'configure'
   autoheader   touch file 'config.h.in'
   autom4te     touch the output file, or create a stub one
   automake     touch all 'Makefile.in' files
   bison        create 'y.tab.[ch]', if possible, from existing .[ch]
   flex         create 'lex.yy.c', if possible, from existing .c
   help2man     touch the output file
   lex          create 'lex.yy.c', if possible, from existing .c
   makeinfo     touch the output file
   yacc         create 'y.tab.[ch]', if possible, from existing .[ch]

 Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
 'g' are ignored when checking the name.

 Send bug reports to <bug-automake@gnu.org>."
     exit $?
     ;;

   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
     echo "missing $scriptversion (GNU Automake)"
     exit $?
     ;;

   -*)
     echo 1>&2 "$0: Unknown '$1' option"
     echo 1>&2 "Try '$0 --help' for more information"
     exit 1
     ;;

 esac

 # normalize program name to check for.
 program=`echo "$1" | sed '
   s/^gnu-//; t
   s/^gnu//; t
   s/^g//; t'`

 # Now exit if we have it, but it failed.  Also exit now if we
 # don't have it and --version was passed (most likely to detect
 # the program).  This is about non-GNU programs, so use $1 not
 # $program.
 case $1 in
   lex*|yacc*)
     # Not GNU programs, they don't have --version.
     ;;

   *)
     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
        # We have it, but it failed.
        exit 1
     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
        # Could not run --version or --help.  This is probably someone
        # running '$TOOL --version' or '$TOOL --help' to check whether
        # $TOOL exists and not knowing $TOOL uses missing.
        exit 1
     fi
     ;;
 esac

 # If it does not exist, or fails to run (possibly an outdated version),
 # try to emulate it.
 case $program in
   aclocal*)
     echo 1>&2 "\
 WARNING: '$1' is $msg.  You should only need it if
          you modified 'acinclude.m4' or '${configure_ac}'.  You might want
          to install the Automake and Perl packages.  Grab them from
          any GNU archive site."
     touch aclocal.m4
     ;;

   autoconf*)
     echo 1>&2 "\
 WARNING: '$1' is $msg.  You should only need it if
          you modified '${configure_ac}'.  You might want to install the
          Autoconf and GNU m4 packages.  Grab them from any GNU
          archive site."
     touch configure
     ;;

   autoheader*)
     echo 1>&2 "\
 WARNING: '$1' is $msg.  You should only need it if
          you modified 'acconfig.h' or '${configure_ac}'.  You might want
          to install the Autoconf and GNU m4 packages.  Grab them
          from any GNU archive site."
     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
     test -z "$files" && files="config.h"
     touch_files=
     for f in $files; do
       case $f in
       *:*) touch_files="$touch_files "`echo "$f" |
 				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
       *) touch_files="$touch_files $f.in";;
       esac
     done
     touch $touch_files
     ;;

   automake*)
     echo 1>&2 "\
 WARNING: '$1' is $msg.  You should only need it if
          you modified 'Makefile.am', 'acinclude.m4' or '${configure_ac}'.
          You might want to install the Automake and Perl packages.
          Grab them from any GNU archive site."
     find . -type f -name Makefile.am -print |
 	   sed 's/\.am$/.in/' |
 	   while read f; do touch "$f"; done
     ;;

   autom4te*)
     echo 1>&2 "\
 WARNING: '$1' is needed, but is $msg.
          You might have modified some files without having the
          proper tools for further handling them.
          You can get '$1' as part of Autoconf from any GNU
          archive site."

     file=`echo "$*" | sed -n "$sed_output"`
     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
     if test -f "$file"; then
 	touch $file
     else
 	test -z "$file" || exec >$file
 	echo "#! /bin/sh"
 	echo "# Created by GNU Automake missing as a replacement of"
 	echo "#  $ $@"
 	echo "exit 0"
 	chmod +x $file
 	exit 1
     fi
     ;;

   bison*|yacc*)
     echo 1>&2 "\
 WARNING: '$1' $msg.  You should only need it if
          you modified a '.y' file.  You may need the Bison package
          in order for those modifications to take effect.  You can get
          Bison from any GNU archive site."
     rm -f y.tab.c y.tab.h
     if test $# -ne 1; then
         eval LASTARG=\${$#}
 	case $LASTARG in
 	*.y)
 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
 	    if test -f "$SRCFILE"; then
 	         cp "$SRCFILE" y.tab.c
 	    fi
 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
 	    if test -f "$SRCFILE"; then
 	         cp "$SRCFILE" y.tab.h
 	    fi
 	  ;;
 	esac
     fi
     if test ! -f y.tab.h; then
 	echo >y.tab.h
     fi
     if test ! -f y.tab.c; then
 	echo 'main() { return 0; }' >y.tab.c
     fi
     ;;

   lex*|flex*)
     echo 1>&2 "\
 WARNING: '$1' is $msg.  You should only need it if
          you modified a '.l' file.  You may need the Flex package
          in order for those modifications to take effect.  You can get
          Flex from any GNU archive site."
     rm -f lex.yy.c
     if test $# -ne 1; then
         eval LASTARG=\${$#}
 	case $LASTARG in
 	*.l)
 	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
 	    if test -f "$SRCFILE"; then
 	         cp "$SRCFILE" lex.yy.c
 	    fi
 	  ;;
 	esac
     fi
     if test ! -f lex.yy.c; then
 	echo 'main() { return 0; }' >lex.yy.c
     fi
     ;;

   help2man*)
     echo 1>&2 "\
 WARNING: '$1' is $msg.  You should only need it if
 	 you modified a dependency of a manual page.  You may need the
 	 Help2man package in order for those modifications to take
 	 effect.  You can get Help2man from any GNU archive site."

     file=`echo "$*" | sed -n "$sed_output"`
     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
     if test -f "$file"; then
 	touch $file
     else
 	test -z "$file" || exec >$file
 	echo ".ab help2man is required to generate this page"
 	exit $?
     fi
     ;;

   makeinfo*)
     echo 1>&2 "\
 WARNING: '$1' is $msg.  You should only need it if
          you modified a '.texi' or '.texinfo' file, or any other file
          indirectly affecting the aspect of the manual.  The spurious
          call might also be the consequence of using a buggy 'make' (AIX,
          DU, IRIX).  You might want to install the Texinfo package or
          the GNU make package.  Grab either from any GNU archive site."
     # The file to touch is that specified with -o ...
     file=`echo "$*" | sed -n "$sed_output"`
     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
     if test -z "$file"; then
       # ... or it is the one specified with @setfilename ...
       infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
       file=`sed -n '
 	/^@setfilename/{
 	  s/.* \([^ ]*\) *$/\1/
 	  p
 	  q
 	}' $infile`
       # ... or it is derived from the source name (dir/f.texi becomes f.info)
       test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
     fi
     # If the file does not exist, the user really needs makeinfo;
     # let's fail without touching anything.
     test -f $file || exit 1
     touch $file
     ;;

   *)
     echo 1>&2 "\
 WARNING: '$1' is needed, and is $msg.
          You might have modified some files without having the
          proper tools for further handling them.  Check the 'README' file,
          it often tells you about the needed prerequisites for installing
          this package.  You may also peek at any GNU archive site, in case
          some other package would contain this missing '$1' program."
     exit 1
     ;;
 esac

 exit 0

 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
 # time-stamp-time-zone: "UTC"
 # time-stamp-end: "; # UTC"
 # End:
	#! /bin/sh
	# Common stub for a few missing GNU programs while installing.

	scriptversion=2012-01-06.18; # UTC

	# Copyright (C) 1996-2012 Free Software Foundation, Inc.
	# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.

	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; either version 2, or (at your option)
	# any later version.

	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.

	# You should have received a copy of the GNU General Public License
	# along with this program. If not, see <http://www.gnu.org/licenses/>.

	# As a special exception to the GNU General Public License, if you
	# distribute this file as part of a program that contains a
	# configuration script generated by Autoconf, you may include it under
	# the same distribution terms that you use for the rest of that program.

	if test $# -eq 0; then
	echo 1>&2 "Try '$0 --help' for more information"
	exit 1
	fi

	run=:
	sed_output='s/.* --output[ =]\([^ ]\)./\1/p'
	sed_minuso='s/.* -o \([^ ]\)./\1/p'

	# In the cases where this matters, 'missing' is being run in the
	# srcdir already.
	if test -f configure.ac; then
	configure_ac=configure.ac
	else
	configure_ac=configure.in
	fi

	msg="missing on your system"

	case $1 in
	--run)
	# Try to run requested program, and just exit if it succeeds.
	run=
	shift
	"$@" && exit 0
	# Exit code 63 means version mismatch. This often happens
	# when the user try to use an ancient version of a tool on
	# a file that requires a minimum version. In this case we
	# we should proceed has if the program had been absent, or
	# if --run hadn't been passed.
	if test $? = 63; then
	run=:
	msg="probably too old"
	fi
	;;

	-h\|--h\|--he\|--hel\|--help)
	echo "\
	$0 [OPTION]... PROGRAM [ARGUMENT]...

	Handle 'PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
	error status if there is no known handling for PROGRAM.

	Options:
	-h, --help display this help and exit
	-v, --version output version information and exit
	--run try to run the given command, and emulate it if it fails

	Supported PROGRAM values:
	aclocal touch file 'aclocal.m4'
	autoconf touch file 'configure'
	autoheader touch file 'config.h.in'
	autom4te touch the output file, or create a stub one
	automake touch all 'Makefile.in' files
	bison create 'y.tab.[ch]', if possible, from existing .[ch]
	flex create 'lex.yy.c', if possible, from existing .c
	help2man touch the output file
	lex create 'lex.yy.c', if possible, from existing .c
	makeinfo touch the output file
	yacc create 'y.tab.[ch]', if possible, from existing .[ch]

	Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
	'g' are ignored when checking the name.

	Send bug reports to <bug-automake@gnu.org>."
	exit $?
	;;

	-v\|--v\|--ve\|--ver\|--vers\|--versi\|--versio\|--version)
	echo "missing $scriptversion (GNU Automake)"
	exit $?
	;;

	-*)
	echo 1>&2 "$0: Unknown '$1' option"
	echo 1>&2 "Try '$0 --help' for more information"
	exit 1
	;;

	esac

	# normalize program name to check for.
	program=`echo "$1" \| sed '
	s/^gnu-//; t
	s/^gnu//; t
	s/^g//; t'`

	# Now exit if we have it, but it failed. Also exit now if we
	# don't have it and --version was passed (most likely to detect
	# the program). This is about non-GNU programs, so use $1 not
	# $program.
	case $1 in
	lex\|yacc)
	# Not GNU programs, they don't have --version.
	;;

	*)
	if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
	# We have it, but it failed.
	exit 1
	elif test "x$2" = "x--version" \|\| test "x$2" = "x--help"; then
	# Could not run --version or --help. This is probably someone
	# running '$TOOL --version' or '$TOOL --help' to check whether
	# $TOOL exists and not knowing $TOOL uses missing.
	exit 1
	fi
	;;
	esac

	# If it does not exist, or fails to run (possibly an outdated version),
	# try to emulate it.
	case $program in
	aclocal*)
	echo 1>&2 "\
	WARNING: '$1' is $msg. You should only need it if
	you modified 'acinclude.m4' or '${configure_ac}'. You might want
	to install the Automake and Perl packages. Grab them from
	any GNU archive site."
	touch aclocal.m4
	;;

	autoconf*)
	echo 1>&2 "\
	WARNING: '$1' is $msg. You should only need it if
	you modified '${configure_ac}'. You might want to install the
	Autoconf and GNU m4 packages. Grab them from any GNU
	archive site."
	touch configure
	;;

	autoheader*)
	echo 1>&2 "\
	WARNING: '$1' is $msg. You should only need it if
	you modified 'acconfig.h' or '${configure_ac}'. You might want
	to install the Autoconf and GNU m4 packages. Grab them
	from any GNU archive site."
	files=`sed -n 's/^[ ]A[CM]_CONFIG_HEADER(\([^)]\)).*/\1/p' ${configure_ac}`
	test -z "$files" && files="config.h"
	touch_files=
	for f in $files; do
	case $f in
	:) touch_files="$touch_files "`echo "$f" \|
	sed -e 's/^[^:]://' -e 's/:.//'`;;
	*) touch_files="$touch_files $f.in";;
	esac
	done
	touch $touch_files
	;;

	automake*)
	echo 1>&2 "\
	WARNING: '$1' is $msg. You should only need it if
	you modified 'Makefile.am', 'acinclude.m4' or '${configure_ac}'.
	You might want to install the Automake and Perl packages.
	Grab them from any GNU archive site."
	find . -type f -name Makefile.am -print \|
	sed 's/\.am$/.in/' \|
	while read f; do touch "$f"; done
	;;

	autom4te*)
	echo 1>&2 "\
	WARNING: '$1' is needed, but is $msg.
	You might have modified some files without having the
	proper tools for further handling them.
	You can get '$1' as part of Autoconf from any GNU
	archive site."

	file=`echo "$*" \| sed -n "$sed_output"`
	test -z "$file" && file=`echo "$*" \| sed -n "$sed_minuso"`
	if test -f "$file"; then
	touch $file
	else
	test -z "$file" \|\| exec >$file
	echo "#! /bin/sh"
	echo "# Created by GNU Automake missing as a replacement of"
	echo "# $ $@"
	echo "exit 0"
	chmod +x $file
	exit 1
	fi
	;;

	bison\|yacc)
	echo 1>&2 "\
	WARNING: '$1' $msg. You should only need it if
	you modified a '.y' file. You may need the Bison package
	in order for those modifications to take effect. You can get
	Bison from any GNU archive site."
	rm -f y.tab.c y.tab.h
	if test $# -ne 1; then
	eval LASTARG=\${$#}
	case $LASTARG in
	*.y)
	SRCFILE=`echo "$LASTARG" \| sed 's/y$/c/'`
	if test -f "$SRCFILE"; then
	cp "$SRCFILE" y.tab.c
	fi
	SRCFILE=`echo "$LASTARG" \| sed 's/y$/h/'`
	if test -f "$SRCFILE"; then
	cp "$SRCFILE" y.tab.h
	fi
	;;
	esac
	fi
	if test ! -f y.tab.h; then
	echo >y.tab.h
	fi
	if test ! -f y.tab.c; then
	echo 'main() { return 0; }' >y.tab.c
	fi
	;;

	lex\|flex)
	echo 1>&2 "\
	WARNING: '$1' is $msg. You should only need it if
	you modified a '.l' file. You may need the Flex package
	in order for those modifications to take effect. You can get
	Flex from any GNU archive site."
	rm -f lex.yy.c
	if test $# -ne 1; then
	eval LASTARG=\${$#}
	case $LASTARG in
	*.l)
	SRCFILE=`echo "$LASTARG" \| sed 's/l$/c/'`
	if test -f "$SRCFILE"; then
	cp "$SRCFILE" lex.yy.c
	fi
	;;
	esac
	fi
	if test ! -f lex.yy.c; then
	echo 'main() { return 0; }' >lex.yy.c
	fi
	;;

	help2man*)
	echo 1>&2 "\
	WARNING: '$1' is $msg. You should only need it if
	you modified a dependency of a manual page. You may need the
	Help2man package in order for those modifications to take
	effect. You can get Help2man from any GNU archive site."

	file=`echo "$*" \| sed -n "$sed_output"`
	test -z "$file" && file=`echo "$*" \| sed -n "$sed_minuso"`
	if test -f "$file"; then
	touch $file
	else
	test -z "$file" \|\| exec >$file
	echo ".ab help2man is required to generate this page"
	exit $?
	fi
	;;

	makeinfo*)
	echo 1>&2 "\
	WARNING: '$1' is $msg. You should only need it if
	you modified a '.texi' or '.texinfo' file, or any other file
	indirectly affecting the aspect of the manual. The spurious
	call might also be the consequence of using a buggy 'make' (AIX,
	DU, IRIX). You might want to install the Texinfo package or
	the GNU make package. Grab either from any GNU archive site."
	# The file to touch is that specified with -o ...
	file=`echo "$*" \| sed -n "$sed_output"`
	test -z "$file" && file=`echo "$*" \| sed -n "$sed_minuso"`
	if test -z "$file"; then
	# ... or it is the one specified with @setfilename ...
	infile=`echo "$" \| sed 's/. \([^ ]\) $/\1/'`
	file=`sed -n '
	/^@setfilename/{
	s/.* \([^ ]\) $/\1/
	p
	q
	}' $infile`
	# ... or it is derived from the source name (dir/f.texi becomes f.info)
	test -z "$file" && file=`echo "$infile" \| sed 's,./,,;s,.[^.]$,,'`.info
	fi
	# If the file does not exist, the user really needs makeinfo;
	# let's fail without touching anything.
	test -f $file \|\| exit 1
	touch $file
	;;

	*)
	echo 1>&2 "\
	WARNING: '$1' is needed, and is $msg.
	You might have modified some files without having the
	proper tools for further handling them. Check the 'README' file,
	it often tells you about the needed prerequisites for installing
	this package. You may also peek at any GNU archive site, in case
	some other package would contain this missing '$1' program."
	exit 1
	;;
	esac

	exit 0

	# Local variables:
	# eval: (add-hook 'write-file-hooks 'time-stamp)
	# time-stamp-start: "scriptversion="
	# time-stamp-format: "%:y-%02m-%02d.%02H"
	# time-stamp-time-zone: "UTC"
	# time-stamp-end: "; # UTC"
	# End: