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Import of unmolested less-290.

#!/bin/sh

# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.1 
# Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.

# Defaults:
ac_help=
ac_default_prefix=/usr/local
# Any additions from configure.in:

# Initialize some variables set by options.
# The variables have the same names as the options, with
# dashes changed to underlines.
build=NONE
cache_file=./config.cache
exec_prefix=NONE
host=NONE
no_create=
nonopt=NONE
no_recursion=
prefix=NONE
program_prefix=NONE
program_suffix=NONE
program_transform_name=s,x,x,
silent=
site=
srcdir=
target=NONE
verbose=
x_includes=NONE
x_libraries=NONE

# Initialize some other variables.
subdirs=

ac_prev=
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    # This message is too long to be a string in the A/UX 3.1 sh.
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Usage: configure [options] [host]
Options: [defaults in brackets after descriptions]
Configuration:
  --cache-file=FILE       cache test results in FILE
  --help                  print this message
  --no-create             do not create output files
  --quiet, --silent       do not print \`checking...' messages
  --version               print the version of autoconf that created configure
Directory and file names:
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                          [$ac_default_prefix]
  --exec-prefix=PREFIX    install architecture-dependent files in PREFIX
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  --srcdir=DIR            find the sources in DIR [configure dir or ..]
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  --program-suffix=SUFFIX append SUFFIX to installed program names
  --program-transform-name=PROGRAM run sed PROGRAM on installed program names
Host type:
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  --host=HOST             configure for HOST [guessed]
  --target=TARGET         configure for TARGET [TARGET=HOST]
Features and packages:
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  --x-includes=DIR        X include files are in DIR
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  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
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  -program-suffix | --program-suffix | --program-suffi | --program-suff \
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  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
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  -target | --target | --targe | --targ | --tar | --ta | --t)
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  -v | -verbose | --verbose | --verbos | --verbo | --verb)
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  -version | --version | --versio | --versi | --vers)
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    exit 0 ;;

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      *) ac_optarg=yes ;;
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    eval "with_${ac_package}='$ac_optarg'" ;;

  -without-* | --without-*)
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    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
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  --x)
    # Obsolete; use --with-x.
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    ac_prev=x_includes ;;
  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
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    x_includes="$ac_optarg" ;;

  -x-libraries | --x-libraries | --x-librarie | --x-librari \
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    ac_prev=x_libraries ;;
  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
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    x_libraries="$ac_optarg" ;;

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  *) 
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    nonopt="$ac_option"
    ;;

  esac
done

if test -n "$ac_prev"; then
  { echo "configure: error: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" 1>&2; exit 1; }
fi

trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15

# File descriptor usage:
# 0 unused; standard input
# 1 file creation
# 2 errors and warnings
# 3 unused; some systems may open it to /dev/tty
# 4 checking for... messages and results
# 5 compiler messages saved in config.log
if test "$silent" = yes; then
  exec 4>/dev/null
else
  exec 4>&1
fi
exec 5>./config.log

echo "\
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
" 1>&5

# Strip out --no-create and --no-recursion so they do not pile up.
# Also quote any args containing shell metacharacters.
ac_configure_args=
for ac_arg
do
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  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;;
  *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
  ac_configure_args="$ac_configure_args '$ac_arg'" ;;
  *) ac_configure_args="$ac_configure_args $ac_arg" ;;
  esac
done

# NLS nuisances.
# Only set LANG and LC_ALL to C if already set.
# These must not be set unconditionally because not all systems understand
# e.g. LANG=C (notably SCO).
if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi

# confdefs.h avoids OS command line length limits that DEFS can exceed.
rm -rf conftest* confdefs.h
# AIX cpp loses on an empty file, so make sure it contains at least a newline.
echo > confdefs.h

# A filename unique to this package, relative to the directory that
# configure is in, which we can look for to find out if srcdir is correct.
ac_unique_file=forwback.c

# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  ac_srcdir_defaulted=yes
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  ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
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else
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fi
if test ! -r $srcdir/$ac_unique_file; then
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fi
srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`

# Prefer explicitly selected file to automatically selected ones.
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fi
for ac_site_file in $CONFIG_SITE; do
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done

if test -r "$cache_file"; then
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else
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  > $cache_file
fi

ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} $CFLAGS $CPPFLAGS conftest.$ac_ext -c 1>&5 2>&5'
ac_link='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext -o conftest $LIBS 1>&5 2>&5'

if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
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' ac_t='	'
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else
  ac_n= ac_c='\c' ac_t=
fi




# Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
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fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
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else
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fi


echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_gcc'+set}'`\" = set"; then
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else
  cat > conftest.c <<EOF
#ifdef __GNUC__
  yes;
#endif
EOF
if ${CC-cc} -E conftest.c 2>&5 | egrep yes >/dev/null 2>&1; then
  ac_cv_prog_gcc=yes
else
  ac_cv_prog_gcc=no
fi
fi
echo "$ac_t""$ac_cv_prog_gcc" 1>&4
if test $ac_cv_prog_gcc = yes; then
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if eval "test \"`echo '${'ac_cv_prog_gcc_g'+set}'`\" = set"; then
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else
  echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
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else
  ac_cv_prog_gcc_g=no
fi
rm -f conftest*

fi
    echo "$ac_t""$ac_cv_prog_gcc_g" 1>&4
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else
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fi

echo $ac_n "checking for POSIXized ISC""... $ac_c" 1>&4
if test -d /etc/conf/kconfig.d &&
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then
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#define _POSIX_SOURCE 1
EOF

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else
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  ISC=
fi

echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&4
# On Suns, sometimes $CPP names a directory.
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else
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  # On the NeXT, cc -E runs the code through the compiler's parser,
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#line 511 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
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else
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#line 525 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
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else
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fi
rm -f conftest*
fi
rm -f conftest*
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fi
fi
CPP="$ac_cv_prog_CPP"
echo "$ac_t""$CPP" 1>&4

if test $ac_cv_prog_gcc = yes; then
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if eval "test \"`echo '${'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
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else
    ac_pattern="Autoconf.*'x'"
  cat > conftest.$ac_ext <<EOF
#line 555 "configure"
#include "confdefs.h"
#include <sgtty.h>
Autoconf TIOCGETP
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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  ac_cv_prog_gcc_traditional=yes
else
  rm -rf conftest*
  ac_cv_prog_gcc_traditional=no
fi
rm -f conftest*


  if test $ac_cv_prog_gcc_traditional = no; then
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#line 573 "configure"
#include "confdefs.h"
#include <termio.h>
Autoconf TCGETA
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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  ac_cv_prog_gcc_traditional=yes
fi
rm -f conftest*

  fi
fi
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fi

ac_aux_dir=
for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
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done
if test -z "$ac_aux_dir"; then
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fi
ac_config_guess=$ac_aux_dir/config.guess
ac_config_sub=$ac_aux_dir/config.sub
ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.

# Find a good install program.  We prefer a C program (faster),
# so one script is as good as another.  But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&4
if test -z "$INSTALL"; then
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else
    IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
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    ''|.|/etc|/usr/sbin|/usr/etc|/sbin|/usr/afsws/bin|/usr/ucb) ;;
    *)
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      for ac_prog in ginstall installbsd scoinst install; do
        if test -f $ac_dir/$ac_prog; then
	  if test $ac_prog = install &&
            grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
	    # AIX install.  It has an incompatible calling convention.
	    # OSF/1 installbsd also uses dspmsg, but is usable.
	    :
	  else
	    ac_cv_path_install="$ac_dir/$ac_prog -c"
	    break 2
	  fi
	fi
      done
      ;;
    esac
  done
  IFS="$ac_save_ifs"
  # As a last resort, use the slow shell script.
  test -z "$ac_cv_path_install" && ac_cv_path_install="$ac_install_sh"
fi
  INSTALL="$ac_cv_path_install"
fi
echo "$ac_t""$INSTALL" 1>&4

# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'


TERMLIBS=
echo $ac_n "checking for -lcurses""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_curses'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lcurses "
cat > conftest.$ac_ext <<EOF
#line 672 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
initscr()
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_lib_curses=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_curses=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'curses`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  TERMLIBS="$TERMLIBS -lcurses"
else
  echo "$ac_t""no" 1>&4
fi

echo $ac_n "checking for -ltermcap""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_termcap'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -ltermcap "
cat > conftest.$ac_ext <<EOF
#line 705 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
tgetent()
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_lib_termcap=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_termcap=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'termcap`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  TERMLIBS="$TERMLIBS -ltermcap"
else
  echo "$ac_t""no" 1>&4
fi

echo $ac_n "checking for -ltermlib""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_termlib'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -ltermlib "
cat > conftest.$ac_ext <<EOF
#line 738 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
tgetent()
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_lib_termlib=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_termlib=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'termlib`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  have_termlib=yes
else
  echo "$ac_t""no" 1>&4
have_termlib=no
fi

echo $ac_n "checking for -lgen""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_gen'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lgen "
cat > conftest.$ac_ext <<EOF
#line 772 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
regcmp()
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_lib_gen=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_gen=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'gen`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_lib=HAVE_LIB`echo gen | tr '[a-z]' '[A-Z]'`
  cat >> confdefs.h <<EOF
#define $ac_tr_lib 1
EOF

  LIBS="$LIBS -lgen"

else
  echo "$ac_t""no" 1>&4
fi

echo $ac_n "checking for -lintl""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_intl'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lintl "
cat > conftest.$ac_ext <<EOF
#line 811 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
regcmp()
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_lib_intl=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_intl=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'intl`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_lib=HAVE_LIB`echo intl | tr '[a-z]' '[A-Z]'`
  cat >> confdefs.h <<EOF
#define $ac_tr_lib 1
EOF

  LIBS="$LIBS -lintl"

else
  echo "$ac_t""no" 1>&4
fi

echo $ac_n "checking for -lPW""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_PW'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lPW "
cat > conftest.$ac_ext <<EOF
#line 850 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
regcmp()
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_lib_PW=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_PW=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'PW`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_lib=HAVE_LIB`echo PW | tr '[a-z]' '[A-Z]'`
  cat >> confdefs.h <<EOF
#define $ac_tr_lib 1
EOF

  LIBS="$LIBS -lPW"

else
  echo "$ac_t""no" 1>&4
fi


echo $ac_n "checking for working terminal libraries""... $ac_c" 1>&4
SAVE_LIBS=$LIBS
LIBS="$LIBS $TERMLIBS"
cat > conftest.$ac_ext <<EOF
#line 887 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
tgetent(0); tgetflag(0); tgetnum(0); tgetstr(0);
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  termok=yes
else
  rm -rf conftest*
  termok=no
fi
rm -f conftest*

if test $termok = yes; then
  echo "$ac_t""using $TERMLIBS" 1>&4
else
  LIBS="$SAVE_LIBS"
  if test $have_termlib = yes; then
    LIBS="$LIBS -ltermlib"
    echo "$ac_t""using -ltermlib" 1>&4
  else
    echo "$ac_t""TERMINAL LIBRARY BROKEN - configure failed" 1>&4
    exit 1
  fi
fi

# If we cannot run a trivial program, we must be cross compiling.
echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_cross'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$cross_compiling" = yes; then
  ac_cv_cross=yes
else
cat > conftest.$ac_ext <<EOF
#line 926 "configure"
#include "confdefs.h"
main(){return(0);}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_c_cross=no
else
  ac_cv_c_cross=yes
fi
fi
rm -fr conftest*
fi
cross_compiling=$ac_cv_c_cross
echo "$ac_t""$ac_cv_c_cross" 1>&4

echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_stdc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 947 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  ac_cv_header_stdc=yes
else
  echo "$ac_err" >&5
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

if test $ac_cv_header_stdc = yes; then
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 969 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "memchr" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 987 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "free" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
if test "$cross_compiling" = yes; then
  ac_cv_header_stdc=no
else
cat > conftest.$ac_ext <<EOF
#line 1008 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
int main () { int i; for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }

EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  ac_cv_header_stdc=no
fi
fi
rm -fr conftest*
fi
fi
echo "$ac_t""$ac_cv_header_stdc" 1>&4
if test $ac_cv_header_stdc = yes; then
  cat >> confdefs.h <<\EOF
#define STDC_HEADERS 1
EOF

fi

for ac_hdr in ctype.h errno.h fcntl.h stdio.h termcap.h termio.h termios.h time.h unistd.h values.h sys/ioctl.h sys/stream.h sys/ptem.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1045 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&4
fi
done


echo $ac_n "checking for off_t""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_type_off_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1079 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "off_t" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_off_t=yes
else
  rm -rf conftest*
  ac_cv_type_off_t=no
fi
rm -f conftest*

fi
echo "$ac_t""$ac_cv_type_off_t" 1>&4
if test $ac_cv_type_off_t = no; then
  cat >> confdefs.h <<\EOF
#define off_t long
EOF

fi

echo $ac_n "checking for void""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1107 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
void *foo = 0;
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_VOID 1
EOF

else
  rm -rf conftest*
  echo "$ac_t""no" 1>&4
fi
rm -f conftest*

echo $ac_n "checking for time_t""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1129 "configure"
#include "confdefs.h"
#include <time.h>
int main() { return 0; }
int t() {
time_t t = 0;
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_TIME_T 1
EOF

else
  rm -rf conftest*
  echo "$ac_t""no" 1>&4
fi
rm -f conftest*


echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_type_signal'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1155 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif
extern void (*signal ()) ();
int main() { return 0; }
int t() {
int i;
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_cv_type_signal=void
else
  rm -rf conftest*
  ac_cv_type_signal=int
fi
rm -f conftest*

fi
echo "$ac_t""$ac_cv_type_signal" 1>&4
cat >> confdefs.h <<EOF
#define RETSIGTYPE $ac_cv_type_signal
EOF


for ac_func in _setjmp system sigsetmask memcpy strchr
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1191 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char $ac_func(); 

int main() { return 0; }
int t() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_func=HAVE_`echo $ac_func | tr '[a-z]' '[A-Z]'`
  cat >> confdefs.h <<EOF
#define $ac_tr_func 1
EOF
 
else
  echo "$ac_t""no" 1>&4
fi
done

echo $ac_n "checking for tcgetattr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_tcgetattr'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1238 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char tcgetattr(); 

int main() { return 0; }
int t() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_tcgetattr) || defined (__stub___tcgetattr)
choke me
#else
tcgetattr();
#endif

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_func_tcgetattr=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_tcgetattr=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'tcgetattr`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  cat >> confdefs.h <<\EOF
#define HAVE_TERMIOS_FUNCS 1
EOF

else
  echo "$ac_t""no" 1>&4
fi

echo $ac_n "checking for fileno""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1280 "configure"
#include "confdefs.h"

#if HAVE_STDIO_H
#include <stdio.h>
#endif
int main() { return 0; }
int t() {
static int x; x = fileno(stdin);
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_FILENO 1
EOF

else
  rm -rf conftest*
  echo "$ac_t""no" 1>&4
fi
rm -f conftest*

echo $ac_n "checking for strerror""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1305 "configure"
#include "confdefs.h"

#if HAVE_STDIO_H
#include <stdio.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#endif
#if HAVE_ERRNO_H
#include <errno.h>
#endif
int main() { return 0; }
int t() {
static char *x; x = strerror(0);
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_STRERROR 1
EOF

else
  rm -rf conftest*
  echo "$ac_t""no" 1>&4
fi
rm -f conftest*

echo $ac_n "checking for sys_errlist""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1336 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
extern char *sys_errlist[]; static char **x; x = sys_errlist;
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_SYS_ERRLIST 1
EOF

else
  rm -rf conftest*
  echo "$ac_t""no" 1>&4
fi
rm -f conftest*

echo $ac_n "checking for errno""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1358 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
extern int errno; static int x; x = errno;
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_ERRNO 1
EOF

else
  rm -rf conftest*
  echo "$ac_t""no" 1>&4
fi
rm -f conftest*

echo $ac_n "checking for locale""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1380 "configure"
#include "confdefs.h"
#include <locale.h>
#include <ctype.h>
int main() { return 0; }
int t() {
setlocale(LC_CTYPE,""); isprint(0); iscntrl(0);
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_LOCALE 1
EOF

else
  rm -rf conftest*
  echo "$ac_t""no" 1>&4
fi
rm -f conftest*

echo $ac_n "checking for ctype functions""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1403 "configure"
#include "confdefs.h"

#if HAVE_CTYPE_H
#include <ctype.h>
#endif
int main() { return 0; }
int t() {
static int x; x = isupper(x); x = tolower(x); x = toupper(x);
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_UPPER_LOWER 1
EOF

else
  rm -rf conftest*
  echo "$ac_t""no" 1>&4
fi
rm -f conftest*


have_ospeed=no
echo $ac_n "checking termcap for ospeed""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1430 "configure"
#include "confdefs.h"

#include <sys/types.h>
#if HAVE_TERMIOS_H
#include <termios.h>
#endif
#if HAVE_TERMCAP_H
#include <termcap.h>
#endif
int main() { return 0; }
int t() {
ospeed = 0;
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_OSPEED 1
EOF
 have_ospeed=yes
fi
rm -f conftest*

if test $have_ospeed = no; then
cat > conftest.$ac_ext <<EOF
#line 1456 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
extern short ospeed; ospeed = 0;
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_OSPEED 1
EOF
 cat >> confdefs.h <<\EOF
#define MUST_DEFINE_OSPEED 1
EOF

else
  rm -rf conftest*
  echo "$ac_t""no" 1>&4
fi
rm -f conftest*

fi

have_regex=no
have_posix_regex=unknown
echo "checking for regular expression library" 1>&4
if test "$cross_compiling" = yes; then
  have_posix_regex=unknown
else
cat > conftest.$ac_ext <<EOF
#line 1488 "configure"
#include "confdefs.h"

#include <sys/types.h>
#include <regex.h>
main() { regex_t r; regmatch_t rm;
if (regcomp(&r, "abc", 0)) exit(1);
if (regexec(&r, "xabcy", 1, &rm, 0)) exit(1);
exit(0); }
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  have_posix_regex=yes
else
  have_posix_regex=no
fi
fi
rm -fr conftest*
if test $have_posix_regex = yes; then
  echo "$ac_t""using POSIX regcomp" 1>&4
  cat >> confdefs.h <<\EOF
#define HAVE_POSIX_REGCOMP 1
EOF

  have_regex=yes
elif test $have_posix_regex = unknown; then
  cat > conftest.$ac_ext <<EOF
#line 1515 "configure"
#include "confdefs.h"

#include <sys/types.h>
#include <regex.h>
int main() { return 0; }
int t() {
regex_t *r; regfree(r);
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""using POSIX regcomp" 1>&4
  cat >> confdefs.h <<\EOF
#define HAVE_POSIX_REGCOMP 1
EOF
 have_regex=yes
fi
rm -f conftest*

fi
if test $have_regex = no; then
echo $ac_n "checking for regcmp""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_regcmp'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1542 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char regcmp(); 

int main() { return 0; }
int t() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_regcmp) || defined (__stub___regcmp)
choke me
#else
regcmp();
#endif

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_func_regcmp=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_regcmp=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'regcmp`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  echo "$ac_t""using regcmp" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_REGCMP 1
EOF
 have_regex=yes
else
  echo "$ac_t""no" 1>&4
fi

fi
if test $have_regex = no; then
cat > conftest.$ac_ext <<EOF
#line 1585 "configure"
#include "confdefs.h"

#include "regexp.h"
int main() { return 0; }
int t() {
regcomp("");
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""using V8 regcomp" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_V8_REGCOMP 1
EOF
 have_regex=yes
fi
rm -f conftest*

fi
if test $have_regex = no && test -f ${srcdir}/regex.c; then
echo "$ac_t""using POSIX regcomp -- local source" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_POSIX_REGCOMP 1
EOF
 REGEX_O='regex.$(O)'  have_regex=yes
fi
if test $have_regex = no && test -f ${srcdir}/regexp.c; then
echo "$ac_t""using V8 regcomp -- local source" 1>&4; cat >> confdefs.h <<\EOF
#define HAVE_V8_REGCOMP 1
EOF
 REGEX_O='regexp.$(O)'  have_regex=yes
fi
if test $have_regex = no; then
echo "$ac_t""using re_comp" 1>&4; echo $ac_n "checking for re_comp""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_re_comp'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1622 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char re_comp(); 

int main() { return 0; }
int t() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_re_comp) || defined (__stub___re_comp)
choke me
#else
re_comp();
#endif

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_func_re_comp=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_re_comp=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'re_comp`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  cat >> confdefs.h <<\EOF
#define HAVE_RE_COMP 1
EOF
 have_regex=yes
else
  echo "$ac_t""no" 1>&4
fi

fi
if test $have_regex = no; then
echo "$ac_t""cannot find regular expression library" 1>&4; cat >> confdefs.h <<\EOF
#define NO_REGEX 1
EOF

fi

trap '' 1 2 15
if test -w $cache_file; then
echo "updating cache $cache_file"
cat > $cache_file <<\EOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs.  It is not useful on other systems.
# If it contains results you don't want to keep, you may remove or edit it.
#
# By default, configure uses ./config.cache as the cache file,
# creating it if it does not exist already.  You can give configure
# the --cache-file=FILE option to use a different cache file; that is
# what configure does when it calls configure scripts in
# subdirectories, so they share the cache.
# Giving --cache-file=/dev/null disables caching, for debugging configure.
# config.status only pays attention to the cache file if you give it the
# --recheck option to rerun configure.
#
EOF
# Ultrix sh set writes to stderr and can't be redirected directly.
(set) 2>&1 |
  sed -n "s/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/: \${\1='\2'}/p" \
  >> $cache_file
else
echo "not updating unwritable cache $cache_file"
fi

trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15

test "x$prefix" = xNONE && prefix=$ac_default_prefix
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'

# Any assignment to VPATH causes Sun make to only execute
# the first set of double-colon rules, so remove it if not needed.
# If there is a colon in the path, we need to keep it.
if test "x$srcdir" = x.; then
  ac_vpsub='/^[ 	]*VPATH[ 	]*=[^:]*$/d'
fi

trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15

DEFS=-DHAVE_CONFIG_H

# Without the "./", some shells look in PATH for config.status.
: ${CONFIG_STATUS=./config.status}

echo creating $CONFIG_STATUS
rm -f $CONFIG_STATUS
cat > $CONFIG_STATUS <<EOF
#!/bin/sh
# Generated automatically by configure.
# Run this file to recreate the current configuration.
# This directory was configured as follows,
# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
#
# $0 $ac_configure_args
#
# Compiler output produced by configure, useful for debugging
# configure, is in ./config.log if it exists.

ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
for ac_option
do
  case "\$ac_option" in
  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
    echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
    exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
  -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
    echo "$CONFIG_STATUS generated by autoconf version 2.1"
    exit 0 ;;
  -help | --help | --hel | --he | --h)
    echo "\$ac_cs_usage"; exit 0 ;;
  *) echo "\$ac_cs_usage"; exit 1 ;;
  esac
done

ac_given_srcdir=$srcdir
ac_given_INSTALL="$INSTALL"

trap 'rm -fr Makefile defines.h conftest*; exit 1' 1 2 15

# Protect against being on the right side of a sed subst in config.status. 
sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g; 
 s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
$ac_vpsub
$extrasub
s%@CFLAGS@%$CFLAGS%g
s%@CPPFLAGS@%$CPPFLAGS%g
s%@CXXFLAGS@%$CXXFLAGS%g
s%@DEFS@%$DEFS%g
s%@LDFLAGS@%$LDFLAGS%g
s%@LIBS@%$LIBS%g
s%@exec_prefix@%$exec_prefix%g
s%@prefix@%$prefix%g
s%@program_transform_name@%$program_transform_name%g
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@REGEX_O@%$REGEX_O%g

CEOF
EOF
cat >> $CONFIG_STATUS <<EOF

CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
EOF
cat >> $CONFIG_STATUS <<\EOF
for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
  # Support "outfile[:infile]", defaulting infile="outfile.in".
  case "$ac_file" in
  *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
       ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
  *) ac_file_in="${ac_file}.in" ;;
  esac

  # Adjust relative srcdir, etc. for subdirectories.

  # Remove last slash and all that follows it.  Not all systems have dirname.
  ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
  if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
    # The file is in a subdirectory.
    test ! -d "$ac_dir" && mkdir "$ac_dir"
    ac_dir_suffix="/$ac_dir"
    # A "../" for each directory in $ac_dir_suffix.
    ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
  else
    ac_dir_suffix= ac_dots=
  fi

  case "$ac_given_srcdir" in
  .)  srcdir=.
      if test -z "$ac_dots"; then top_srcdir=.
      else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
  /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
  *) # Relative path.
    srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
    top_srcdir="$ac_dots$ac_given_srcdir" ;;
  esac

  case "$ac_given_INSTALL" in
  [/$]*) INSTALL="$ac_given_INSTALL" ;;
  *) INSTALL="$ac_dots$ac_given_INSTALL" ;;
  esac
  echo creating "$ac_file"
  rm -f "$ac_file"
  configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
  case "$ac_file" in
  *Makefile*) ac_comsub="1i\\
# $configure_input" ;;
  *) ac_comsub= ;;
  esac
  sed -e "$ac_comsub
s%@configure_input@%$configure_input%g
s%@srcdir@%$srcdir%g
s%@top_srcdir@%$top_srcdir%g
s%@INSTALL@%$INSTALL%g
" -f conftest.subs $ac_given_srcdir/$ac_file_in > $ac_file
fi; done
rm -f conftest.subs

# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
# NAME is the cpp macro being defined and VALUE is the value it is being given.
#
# ac_d sets the value in "#define NAME VALUE" lines.
ac_dA='s%^\([ 	]*\)#\([ 	]*define[ 	][ 	]*\)'
ac_dB='\([ 	][ 	]*\)[^ 	]*%\1#\2'
ac_dC='\3'
ac_dD='%g'
# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
ac_uA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
ac_uB='\([ 	]\)%\1#\2define\3'
ac_uC=' '
ac_uD='\4%g'
# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
ac_eA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
ac_eB='$%\1#\2define\3'
ac_eC=' '
ac_eD='%g'

CONFIG_HEADERS=${CONFIG_HEADERS-"defines.h"}
for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then
  # Support "outfile[:infile]", defaulting infile="outfile.in".
  case "$ac_file" in
  *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
       ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
  *) ac_file_in="${ac_file}.in" ;;
  esac

  echo creating $ac_file

  rm -f conftest.frag conftest.in conftest.out
  cp $ac_given_srcdir/$ac_file_in conftest.in

EOF

# Transform confdefs.h into a sed script conftest.vals that substitutes
# the proper values into config.h.in to produce config.h.  And first:
# Protect against being on the right side of a sed subst in config.status. 
# Protect against being in an unquoted here document in config.status.
rm -f conftest.vals
cat > conftest.hdr <<\EOF
s/[\\&%]/\\&/g
s%[\\$`]%\\&%g
s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
s%ac_d%ac_u%gp
s%ac_u%ac_e%gp
EOF
sed -n -f conftest.hdr confdefs.h > conftest.vals
rm -f conftest.hdr

# This sed command replaces #undef with comments.  This is necessary, for
# example, in the case of _POSIX_SOURCE, which is predefined and required
# on some systems where configure will not decide to define it.
cat >> conftest.vals <<\EOF
s%^[ 	]*#[ 	]*undef[ 	][ 	]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */%
EOF

# Break up conftest.vals because some shells have a limit on
# the size of here documents, and old seds have small limits too.
# Maximum number of lines to put in a single here document.
ac_max_here_lines=12

rm -f conftest.tail
while :
do
  ac_lines=`grep -c . conftest.vals`
  # grep -c gives empty output for an empty file on some AIX systems.
  if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi
  # Write a limited-size here document to conftest.frag.
  echo '  cat > conftest.frag <<CEOF' >> $CONFIG_STATUS
  sed ${ac_max_here_lines}q conftest.vals >> $CONFIG_STATUS
  echo 'CEOF
  sed -f conftest.frag conftest.in > conftest.out
  rm -f conftest.in
  mv conftest.out conftest.in
' >> $CONFIG_STATUS
  sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail
  rm -f conftest.vals
  mv conftest.tail conftest.vals
done
rm -f conftest.vals

cat >> $CONFIG_STATUS <<\EOF
  rm -f conftest.frag conftest.h
  echo "/* $ac_file.  Generated automatically by configure.  */" > conftest.h
  cat conftest.in >> conftest.h
  rm -f conftest.in
  if cmp -s $ac_file conftest.h 2>/dev/null; then
    echo "$ac_file is unchanged"
    rm -f conftest.h
  else
    rm -f $ac_file
    mv conftest.h $ac_file
  fi
fi; done



exit 0
EOF
chmod +x $CONFIG_STATUS
rm -fr confdefs* $ac_clean_files
test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS