third_party/LLVM/autoconf/missing - SwiftShader - Git at Google

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

 scriptversion=2004-09-07.08

 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004
 #   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, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, USA.

 # 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=:

 # 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'
   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
   tar          try tar, gnutar, gtar, then tar without non-portable flags
   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]

 Send bug reports to <bug-automake@gnu.org>."
     exit 0
     ;;

   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
     echo "missing $scriptversion (GNU Automake)"
     exit 0
     ;;

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

 esac

 # 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).
 case "$1" in
   lex|yacc)
     # Not GNU programs, they don't have --version.
     ;;

   tar)
     if test -n "$run"; then
        echo 1>&2 "ERROR: \`tar' requires --run"
        exit 1
     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
        exit 1
     fi
     ;;

   *)
     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 "$1" 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 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
     test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
     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 [ $# -ne 1 ]; then
         eval LASTARG="\${$#}"
 	case "$LASTARG" in
 	*.y)
 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
 	    if [ -f "$SRCFILE" ]; then
 	         cp "$SRCFILE" y.tab.c
 	    fi
 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
 	    if [ -f "$SRCFILE" ]; then
 	         cp "$SRCFILE" y.tab.h
 	    fi
 	  ;;
 	esac
     fi
     if [ ! -f y.tab.h ]; then
 	echo >y.tab.h
     fi
     if [ ! -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 [ $# -ne 1 ]; then
         eval LASTARG="\${$#}"
 	case "$LASTARG" in
 	*.l)
 	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
 	    if [ -f "$SRCFILE" ]; then
 	         cp "$SRCFILE" lex.yy.c
 	    fi
 	  ;;
 	esac
     fi
     if [ ! -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 's/.*-o \([^ ]*\).*/\1/p'`
     if test -z "$file"; then
 	file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
     fi
     if [ -f "$file" ]; then
 	touch $file
     else
 	test -z "$file" || exec >$file
 	echo ".ab help2man is required to generate this page"
 	exit 1
     fi
     ;;

   makeinfo)
     echo 1>&2 "\
 WARNING: \`$1' is $msg.  You should only need it if
          you modified a \`.texi' or \`.texinfo' file, or any other file
          indirectly affecting the aspect of the manual.  The spurious
          call might also be the consequence of using a buggy \`make' (AIX,
          DU, IRIX).  You might want to install the \`Texinfo' package or
          the \`GNU make' package.  Grab either from any GNU archive site."
     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
     if test -z "$file"; then
       file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
       file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
     fi
     touch $file
     ;;

   tar)
     shift

     # We have already tried tar in the generic part.
     # Look for gnutar/gtar before invocation to avoid ugly error
     # messages.
     if (gnutar --version > /dev/null 2>&1); then
        gnutar "$@" && exit 0
     fi
     if (gtar --version > /dev/null 2>&1); then
        gtar "$@" && exit 0
     fi
     firstarg="$1"
     if shift; then
 	case "$firstarg" in
 	*o*)
 	    firstarg=`echo "$firstarg" | sed s/o//`
 	    tar "$firstarg" "$@" && exit 0
 	    ;;
 	esac
 	case "$firstarg" in
 	*h*)
 	    firstarg=`echo "$firstarg" | sed s/h//`
 	    tar "$firstarg" "$@" && exit 0
 	    ;;
 	esac
     fi

     echo 1>&2 "\
 WARNING: I can't seem to be able to run \`tar' with the given arguments.
          You may want to install GNU tar or Free paxutils, or check the
          command line arguments."
     exit 1
     ;;

   *)
     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-end: "$"
 # End:
	#! /bin/sh
	# Common stub for a few missing GNU programs while installing.

	scriptversion=2004-09-07.08

	# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004
	# 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, write to the Free Software
	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
	# 02111-1307, USA.

	# 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=:

	# 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'
	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
	tar try tar, gnutar, gtar, then tar without non-portable flags
	yacc create \`y.tab.[ch]', if possible, from existing .[ch]

	Send bug reports to <bug-automake@gnu.org>."
	exit 0
	;;

	-v\|--v\|--ve\|--ver\|--vers\|--versi\|--versio\|--version)
	echo "missing $scriptversion (GNU Automake)"
	exit 0
	;;

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

	esac

	# 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).
	case "$1" in
	lex\|yacc)
	# Not GNU programs, they don't have --version.
	;;

	tar)
	if test -n "$run"; then
	echo 1>&2 "ERROR: \`tar' requires --run"
	exit 1
	elif test "x$2" = "x--version" \|\| test "x$2" = "x--help"; then
	exit 1
	fi
	;;

	*)
	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 "$1" 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 's/.--output[ =]\([^ ]\).*/\1/p'`
	test -z "$file" && file=`echo "$" \| sed -n 's/.-o[ ]\([^ ]\).*/\1/p'`
	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 [ $# -ne 1 ]; then
	eval LASTARG="\${$#}"
	case "$LASTARG" in
	*.y)
	SRCFILE=`echo "$LASTARG" \| sed 's/y$/c/'`
	if [ -f "$SRCFILE" ]; then
	cp "$SRCFILE" y.tab.c
	fi
	SRCFILE=`echo "$LASTARG" \| sed 's/y$/h/'`
	if [ -f "$SRCFILE" ]; then
	cp "$SRCFILE" y.tab.h
	fi
	;;
	esac
	fi
	if [ ! -f y.tab.h ]; then
	echo >y.tab.h
	fi
	if [ ! -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 [ $# -ne 1 ]; then
	eval LASTARG="\${$#}"
	case "$LASTARG" in
	*.l)
	SRCFILE=`echo "$LASTARG" \| sed 's/l$/c/'`
	if [ -f "$SRCFILE" ]; then
	cp "$SRCFILE" lex.yy.c
	fi
	;;
	esac
	fi
	if [ ! -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 's/.-o \([^ ]\)./\1/p'`
	if test -z "$file"; then
	file=`echo "$" \| sed -n 's/.--output=\([^ ]\)./\1/p'`
	fi
	if [ -f "$file" ]; then
	touch $file
	else
	test -z "$file" \|\| exec >$file
	echo ".ab help2man is required to generate this page"
	exit 1
	fi
	;;

	makeinfo)
	echo 1>&2 "\
	WARNING: \`$1' is $msg. You should only need it if
	you modified a \`.texi' or \`.texinfo' file, or any other file
	indirectly affecting the aspect of the manual. The spurious
	call might also be the consequence of using a buggy \`make' (AIX,
	DU, IRIX). You might want to install the \`Texinfo' package or
	the \`GNU make' package. Grab either from any GNU archive site."
	file=`echo "$" \| sed -n 's/.-o \([^ ]\)./\1/p'`
	if test -z "$file"; then
	file=`echo "$" \| sed 's/. \([^ ]\) $/\1/'`
	file=`sed -n '/^@setfilename/ { s/.* \([^ ]\) $/\1/; p; q; }' $file`
	fi
	touch $file
	;;

	tar)
	shift

	# We have already tried tar in the generic part.
	# Look for gnutar/gtar before invocation to avoid ugly error
	# messages.
	if (gnutar --version > /dev/null 2>&1); then
	gnutar "$@" && exit 0
	fi
	if (gtar --version > /dev/null 2>&1); then
	gtar "$@" && exit 0
	fi
	firstarg="$1"
	if shift; then
	case "$firstarg" in
	o)
	firstarg=`echo "$firstarg" \| sed s/o//`
	tar "$firstarg" "$@" && exit 0
	;;
	esac
	case "$firstarg" in
	h)
	firstarg=`echo "$firstarg" \| sed s/h//`
	tar "$firstarg" "$@" && exit 0
	;;
	esac
	fi

	echo 1>&2 "\
	WARNING: I can't seem to be able to run \`tar' with the given arguments.
	You may want to install GNU tar or Free paxutils, or check the
	command line arguments."
	exit 1
	;;

	*)
	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-end: "$"
	# End: