#!/bin/sh
# From configure.in Revision: 1.19 

### Use "configure -with-screen" to override the default configuration, which is
### termcap-based on unix systems.


#!/bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 1.11 
# Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.

# This configure script 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 script 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., 675 Mass Ave, Cambridge, MA 02139, USA.

# Save the original args to write them into config.status later.
configure_args="$*"

# Only options that might do something get documented.
ac_usage="Usage: configure [options] [host]
Options: [defaults in brackets after descriptions]
--build=BUILD		configure for building on BUILD [BUILD=HOST]
--disable-FEATURE	do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG]	include FEATURE [ARG=yes]
--exec-prefix=PREFIX	install host dependent files in PREFIX [/usr/local]
--help			print this message
--host=HOST		configure for HOST [guessed]
--prefix=PREFIX		install host independent files in PREFIX [/usr/local]
--quiet, --silent	do not print \`checking for...' messages
--srcdir=DIR		find the sources in DIR [configure dir or ..]
--target=TARGET		configure for TARGET [TARGET=HOST]
--verbose		print results of checks
--version		print the version of autoconf that created configure
--with-PACKAGE[=ARG]	use PACKAGE [ARG=yes]
--without-PACKAGE	do not use PACKAGE (same as --with-PACKAGE=no)
--x-includes=DIR	X include files are in DIR
--x-libraries=DIR	X library files are in DIR"

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

ac_prev=
for ac_option
do

  # If the previous option needs an argument, assign it.
  if test -n "$ac_prev"; then
    eval "$ac_prev=\$ac_option"
    ac_prev=
    continue
  fi

  # Accept (but ignore some of) the important Cygnus configure
  # options, so we can diagnose typos.

  case "$ac_option" in
  -*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
  *) ac_optarg= ;;
  esac

  case "$ac_option" in

  -build | --build | --buil | --bui | --bu | --b)
    ac_prev=build ;;
  -build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
    build="$ac_optarg" ;;

  -disable-* | --disable-*)
    ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
    # Reject names that aren't valid shell variable names.
    if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
      echo "configure: $ac_feature: invalid feature name" >&2; exit 1
    fi
    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
    eval "enable_${ac_feature}=no" ;;

  -enable-* | --enable-*)
    ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
    # Reject names that aren't valid shell variable names.
    if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
      echo "configure: $ac_feature: invalid feature name" >&2; exit 1
    fi
    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
    case "$ac_option" in
      *=*) ;;
      *) ac_optarg=yes ;;
    esac
    eval "enable_${ac_feature}='$ac_optarg'" ;;

  # For backward compatibility, recognize -exec-prefix and --exec_prefix.
  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
  | --exec | --exe | --ex)
    ac_prev=exec_prefix ;;
  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
  | --exec=* | --exe=* | --ex=*)
    exec_prefix="$ac_optarg" ;;

  -gas | --gas | --ga | --g)
    with_gas=yes ;; # Obsolete; use --with-gas.

  -help | --help | --hel | --he)
    cat << EOF
$ac_usage
EOF
    exit 0 ;;

  -host | --host | --hos | --ho)
    ac_prev=host ;;
  -host=* | --host=* | --hos=* | --ho=*)
    host="$ac_optarg" ;;

  -nfp | --nfp | --nf)
    with_fp=no ;; # Obsolete; use --without-fp.

  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c)
    no_create=yes ;;

  -norecursion | --norecursion | --norecursio | --norecursi \
  | --norecurs | --norecur | --norecu | --norec | --nore | --nor)
    norecursion=yes ;;

  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
    ac_prev=prefix ;;
  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
    prefix="$ac_optarg" ;;

  -program-prefix | --program-prefix | --program-prefi | --program-pref \
  | --program-pre | --program-pr | --program-p)
    ac_prev=program_prefix ;;
  -program-prefix=* | --program-prefix=* | --program-prefi=* \
  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
    program_prefix="$ac_optarg" ;;

  -program-suffix | --program-suffix | --program-suffi | --program-suff \
  | --program-suf | --program-su | --program-s)
    ac_prev=program_suffix ;;
  -program-suffix=* | --program-suffix=* | --program-suffi=* \
  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
    program_suffix="$ac_optarg" ;;

  -program-transform-name | --program-transform-name \
  | --program-transform-nam | --program-transform-na \
  | --program-transform-n | --program-transform- \
  | --program-transform | --program-transfor \
  | --program-transfo | --program-transf \
  | --program-trans | --program-tran \
  | --progr-tra | --program-tr | --program-t)
    ac_prev=program_transform_name ;;
  -program-transform-name=* | --program-transform-name=* \
  | --program-transform-nam=* | --program-transform-na=* \
  | --program-transform-n=* | --program-transform-=* \
  | --program-transform=* | --program-transfor=* \
  | --program-transfo=* | --program-transf=* \
  | --program-trans=* | --program-tran=* \
  | --progr-tra=* | --program-tr=* | --program-t=*)
    program_transform_name="$ac_optarg" ;;

  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
  | -silent | --silent | --silen | --sile | --sil)
    silent=yes ;;

  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
    ac_prev=srcdir ;;
  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
    srcdir="$ac_optarg" ;;

  -target | --target | --targe | --targ | --tar | --ta | --t)
    ac_prev=target ;;
  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
    target="$ac_optarg" ;;

  -v | -verbose | --verbose | --verbos | --verbo | --verb)
    verbose=yes ;;

  -version | --version | --versio | --versi | --vers)
    echo "configure generated by autoconf version 1.11"
    exit 0 ;;

  -with-* | --with-*)
    ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
    # Reject names that aren't valid shell variable names.
    if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
      echo "configure: $ac_package: invalid package name" >&2; exit 1
    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
    case "$ac_option" in
      *=*) ;;
      *) ac_optarg=yes ;;
    esac
    eval "with_${ac_package}='$ac_optarg'" ;;

  -without-* | --without-*)
    ac_package=`echo $ac_option|sed -e 's/-*without-//'`
    # Reject names that aren't valid shell variable names.
    if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
      echo "configure: $ac_package: invalid package name" >&2; exit 1
    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
    eval "with_${ac_package}=no" ;;

  --x) with_x=yes ;; # Obsolete; use --with-x.

  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
  | --x-incl | --x-inc | --x-in | --x-i)
    ac_prev=x_includes ;;
  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
    x_includes="$ac_optarg" ;;

  -x-libraries | --x-libraries | --x-librarie | --x-librari \
  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
    ac_prev=x_libraries ;;
  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
    x_libraries="$ac_optarg" ;;

  -*) echo "configure: $ac_option: invalid option; use --help to show usage" >&2; exit 1
    ;;

  *) 
    if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
      echo "configure: warning: $ac_option: invalid host type" >&2
    fi
    if test "x$nonopt" != xNONE; then
      echo "configure: can only configure for one host and one target at a time" >&2; exit 1
    fi
    nonopt="$ac_option"
    ;;

  esac
done

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

trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
trap 'rm -fr confdefs* $ac_clean_files' 0

# Save the original args if we used an alternate arg parser.
ac_configure_temp="${configure_args-$*}"
# Strip out --no-create and --norecursion so they don't pile up.
configure_args=
for ac_arg in $ac_configure_temp; do
  case "$ac_arg" in
  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c) ;;
  -norecursion | --norecursion | --norecursio | --norecursi \
  | --norecurs | --norecur | --norecu | --norec | --nore | --nor) ;;
  *) configure_args="$configure_args $ac_arg" ;;
  esac
done

# NLS nuisances.
# 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=mktbls.c

# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  ac_srcdir_defaulted=yes
  # Try the directory containing this script, then `..'.
  ac_prog=$0
  ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
  test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
  srcdir=$ac_confdir
  if test ! -r $srcdir/$ac_unique_file; then
    srcdir=..
  fi
fi
if test ! -r $srcdir/$ac_unique_file; then
  if test x$ac_srcdir_defaulted = xyes; then
    echo "configure: can not find sources in ${ac_confdir} or .." >&2; exit 1
  else
    echo "configure: can not find sources in ${srcdir}" >&2; exit 1
  fi
fi
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='${CPP}'
ac_compile='${CC-cc} $CFLAGS $LDFLAGS conftest.${ac_ext} -o conftest $LIBS >/dev/null 2>&1'



###	checks for alternative programs
if test -z "$CC"; then
  # Extract the first word of `gcc', so it can be a program name with args.
  set ac_dummy gcc; ac_word=$2
  test -n "$silent" || echo "checking for $ac_word"
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      CC="gcc"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
test -z "$CC" && CC="cc"
test -n "$CC" && test -n "$verbose" && echo "	setting CC to $CC"

# Find out if we are using GNU C, under whatever name.
cat > conftest.c <<EOF
#ifdef __GNUC__
  yes
#endif
EOF
${CC-cc} -E conftest.c > conftest.out 2>&1
if egrep yes conftest.out >/dev/null 2>&1; then
  GCC=1 # For later tests.
fi
rm -f conftest*

test -n "$silent" || echo "checking how to run the C preprocessor"
if test -z "$CPP"; then
  # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and ``${CC-cc}'' will simply confuse
  # make.  It must be expanded now.
  CPP="${CC-cc} -E"
  cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  :
else
  rm -rf conftest*
  CPP="${CC-cc} -E -traditional-cpp"
  cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  :
else
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
rm -f conftest*
fi
test -n "$verbose" && echo "	setting CPP to $CPP"

if test -n "$GCC"; then
  test -n "$silent" || echo "checking whether -traditional is needed"
  ac_pattern="Autoconf.*'x'"
  ac_prog='#include <sgtty.h>
Autoconf TIOCGETP'
  cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
$ac_prog
EOF
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "$ac_pattern" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  ac_need_trad=1

fi
rm -f conftest*


  if test -z "$ac_need_trad"; then
    ac_prog='#include <termio.h>
Autoconf TCGETA'
    cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
$ac_prog
EOF
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "$ac_pattern" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  ac_need_trad=1

fi
rm -f conftest*

  fi
  test -n "$ac_need_trad" && CC="$CC -traditional"
fi

# Make sure to not get the incompatible SysV /etc/install and
# /usr/sbin/install, which might be in PATH before a BSD-like install,
# or the SunOS /usr/etc/install directory, or the AIX /bin/install,
# or the AFS install, which mishandles nonexistent args, or
# /usr/ucb/install on SVR4, which tries to use the nonexistent group
# `staff', or /sbin/install on IRIX which has incompatible command-line
# syntax.  Sigh.
#
#     On most BSDish systems install is in /usr/bin, not /usr/ucb
#     anyway.
# This turns out not to be true, so the mere pathname isn't an indication
# of whether the program works.  What we really need is a set of tests for
# the install program to see if it actually works in all the required ways.
#
# Avoid using ./install, which might have been erroneously created
# by make from ./install.sh.
if test -z "${INSTALL}"; then
  test -n "$silent" || echo "checking for a BSD compatible install"
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    case "$ac_dir" in
    ''|.|/etc|/sbin|/usr/sbin|/usr/etc|/usr/afsws/bin|/usr/ucb) ;;
    *)
      # OSF1 and SCO ODT 3.0 have their own names for install.
      for ac_prog in 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
	    INSTALL="$ac_dir/$ac_prog -c"
	    break 2
	  fi
	fi
      done
      ;;
    esac
  done
  IFS="$ac_save_ifs"
fi

if test -z "$INSTALL"; then
  # As a last resort, use the slow shell script.
  for ac_dir in ${srcdir} ${srcdir}/.. ${srcdir}/../..; do
    if test -f $ac_dir/install.sh; then
      INSTALL="$ac_dir/install.sh -c"; break
    fi
  done
fi
if test -z "$INSTALL"; then
  echo "configure: can not find install.sh in ${srcdir} or ${srcdir}/.. or ${srcdir}/../.." >&2; exit 1
fi
test -n "$verbose" && echo "	setting INSTALL to $INSTALL"

# Use test -z because SunOS4 sh mishandles ${INSTALL_PROGRAM-'${INSTALL}'}.
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
test -n "$verbose" && echo "	setting INSTALL_PROGRAM to $INSTALL_PROGRAM"

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
test -n "$verbose" && echo "	setting INSTALL_DATA to $INSTALL_DATA"


###	use option --with-cflags to set default CFLAGS
# check whether --with-CFLAGS or --without-CFLAGS was given.
withval="$with_CFLAGS"
if test -n "$withval"; then
  cflags=$withval
fi

if test -z "$CFLAGS"; then
	# check whether --with-cflags or --without-cflags was given.
withval="$with_cflags"
if test -n "$withval"; then
  cflags=$withval
fi

fi

# if the user specified nothing else, set -O.  user can override
# with --with-cflags=" "
if test -n "$cflags"; then
	CFLAGS="$cflags"
else
	CFLAGS="-O"
fi

###	use option --with-warnings to turn on all gcc warnings
# check whether --with-warnings or --without-warnings was given.
withval="$with_warnings"
if test -n "$withval"; then
  with_warnings=$withval
fi

if test -n "$GCC"
then
	if test -n "$with_warnings"
	then
		CFLAGS="$CFLAGS -Wall -Wshadow -Wconversion -Wstrict-prototypes -Wmissing-prototypes"
	fi
fi

# X11 checks will sometimes add to CFLAGS.  We want the state of CFLAGS
# prior to these checks
saved_CFLAGS=$CFLAGS

###	checks for UNIX variants that set C preprocessor variables
test -n "$silent" || echo "checking for AIX"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#ifdef _AIX
  yes
#endif

EOF
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "yes" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining _ALL_SOURCE"
echo "#define" _ALL_SOURCE "1" >> confdefs.h
DEFS="$DEFS -D_ALL_SOURCE=1"
}


fi
rm -f conftest*


test -n "$silent" || echo "checking for POSIXized ISC"
if test -d /etc/conf/kconfig.d &&
  grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
then
  ISC=1 # If later tests want to check for ISC.
  
{
test -n "$verbose" && \
echo "	defining _POSIX_SOURCE"
echo "#define" _POSIX_SOURCE "1" >> confdefs.h
DEFS="$DEFS -D_POSIX_SOURCE=1"
}

  if test -n "$GCC"; then
    CC="$CC -posix"
  else
    CC="$CC -Xp"
  fi
fi

test -n "$silent" || echo "checking for minix/config.h"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <minix/config.h>
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  rm -rf conftest*
  MINIX=1

fi
rm -f conftest*

# The Minix shell can't assign to the same variable on the same line!
if test -n "$MINIX"; then
  
{
test -n "$verbose" && \
echo "	defining _POSIX_SOURCE"
echo "#define" _POSIX_SOURCE "1" >> confdefs.h
DEFS="$DEFS -D_POSIX_SOURCE=1"
}

  
{
test -n "$verbose" && \
echo "	defining" _POSIX_1_SOURCE to be "2"
echo "#define" _POSIX_1_SOURCE "2" >> confdefs.h
DEFS="$DEFS -D_POSIX_1_SOURCE=2"
}

  
{
test -n "$verbose" && \
echo "	defining _MINIX"
echo "#define" _MINIX "1" >> confdefs.h
DEFS="$DEFS -D_MINIX=1"
}

fi

ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -lseq"
ac_have_lib=""
test -n "$silent" || echo "checking for -lseq"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; LIBS="$LIBS -lseq"
else
   :; 
fi


ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -lsun"
ac_have_lib=""
test -n "$silent" || echo "checking for -lsun"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; LIBS="$LIBS -lsun"
else
   :; 
fi



# check for SCO.  this is a hack, and should be split into individual
# features -- the sys/time.h and select.h conflict, and the need for
# ptem.h due to winsize struct.
test -n "$silent" || echo "checking for SCO by checking on /usr/bin/scosh"
if test -z "$COULD_BE_SCO"; then
  # Extract the first word of `scosh', so it can be a program name with args.
  set ac_dummy scosh; ac_word=$2
  test -n "$silent" || echo "checking for $ac_word"
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      COULD_BE_SCO="maybe"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
test -z "$COULD_BE_SCO" && COULD_BE_SCO="maybenot"
test -n "$COULD_BE_SCO" && test -n "$verbose" && echo "	setting COULD_BE_SCO to $COULD_BE_SCO"

if test "$COULD_BE_SCO" = "maybe"
then
	
{
test -n "$verbose" && \
echo "	defining SYSTEM_LOOKS_LIKE_SCO"
echo "#define" SYSTEM_LOOKS_LIKE_SCO "1" >> confdefs.h
DEFS="$DEFS -DSYSTEM_LOOKS_LIKE_SCO=1"
}

fi

###	checks for header files
test -n "$silent" || echo "checking for ANSI C header files"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  rm -rf conftest*
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
echo '#include "confdefs.h"
#include <string.h>' > conftest.${ac_ext}
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "memchr" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  # SGI's /bin/cc from Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
cat > conftest.${ac_ext} <<EOF
#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 $ac_compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
echo '#include "confdefs.h"
#include <stdlib.h>' > conftest.${ac_ext}
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "free" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining STDC_HEADERS"
echo "#define" STDC_HEADERS "1" >> confdefs.h
DEFS="$DEFS -DSTDC_HEADERS=1"
}


fi
rm -f conftest*


fi
rm -fr conftest*

fi
rm -f conftest*


fi
rm -f conftest*

test -n "$silent" || echo "checking for directory library header"
ac_dir_header=
if test -z "$ac_dir_header"; then
  test -n "$silent" || echo "checking for dirent.h"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <dirent.h>
int main() { return 0; }
int t() { DIR *dirp = 0;; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining DIRENT"
echo "#define" DIRENT "1" >> confdefs.h
DEFS="$DEFS -DDIRENT=1"
}
 ac_dir_header=dirent.h

fi
rm -f conftest*
fi
if test -z "$ac_dir_header"; then
  test -n "$silent" || echo "checking for sys/ndir.h"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <sys/ndir.h>
int main() { return 0; }
int t() { DIR *dirp = 0;; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining SYSNDIR"
echo "#define" SYSNDIR "1" >> confdefs.h
DEFS="$DEFS -DSYSNDIR=1"
}
 ac_dir_header=sys/ndir.h

fi
rm -f conftest*
fi
if test -z "$ac_dir_header"; then
  test -n "$silent" || echo "checking for sys/dir.h"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <sys/dir.h>
int main() { return 0; }
int t() { DIR *dirp = 0;; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining SYSDIR"
echo "#define" SYSDIR "1" >> confdefs.h
DEFS="$DEFS -DSYSDIR=1"
}
 ac_dir_header=sys/dir.h

fi
rm -f conftest*
fi
if test -z "$ac_dir_header"; then
  test -n "$silent" || echo "checking for ndir.h"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <ndir.h>
int main() { return 0; }
int t() { DIR *dirp = 0;; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining NDIR"
echo "#define" NDIR "1" >> confdefs.h
DEFS="$DEFS -DNDIR=1"
}
 ac_dir_header=ndir.h

fi
rm -f conftest*
fi

test -n "$silent" || echo "checking for closedir return value"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_dir_header>
int closedir(); main() { exit(closedir(opendir(".")) != 0); }
EOF
eval $ac_compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining VOID_CLOSEDIR"
echo "#define" VOID_CLOSEDIR "1" >> confdefs.h
DEFS="$DEFS -DVOID_CLOSEDIR=1"
}

fi
rm -fr conftest*

test -n "$silent" || echo "checking for Xenix"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#if defined(M_XENIX) && !defined(M_UNIX)
  yes
#endif

EOF
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "yes" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  XENIX=1

fi
rm -f conftest*

if test -n "$XENIX"; then
  LIBS="$LIBS -lx"
  case "$DEFS" in
  *SYSNDIR*) ;;
  *) LIBS="-ldir $LIBS" ;; # Make sure -ldir precedes any -lx.
  esac
fi

for ac_hdr in unistd.h stdlib.h stddef.h string.h memory.h fcntl.h \
                poll.h termios.h termio.h sgtty.h \
		ioctl.h select.h setjmp.h signal.h utime.h
do
ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./' '[A-Z]__'`
test -n "$silent" || echo "checking for ${ac_hdr}"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <${ac_hdr}>
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining ${ac_tr_hdr}"
echo "#define" ${ac_tr_hdr} "1" >> confdefs.h
DEFS="$DEFS -D${ac_tr_hdr}=1"
}


fi
rm -f conftest*
done


###	checks for <sys/xxx> header files (separate, to avoid bug in autoconf)
for ac_hdr in sys/stat.h sys/filio.h sys/ioctl.h \
		sys/resource.h sys/wait.h sys/time.h sys/select.h
do
ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./' '[A-Z]__'`
test -n "$silent" || echo "checking for ${ac_hdr}"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <${ac_hdr}>
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining ${ac_tr_hdr}"
echo "#define" ${ac_tr_hdr} "1" >> confdefs.h
DEFS="$DEFS -D${ac_tr_hdr}=1"
}


fi
rm -f conftest*
done


###	checks for typedefs
test -n "$silent" || echo "checking for return type of signal handlers"
cat > conftest.${ac_ext} <<EOF
#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*
  
{
test -n "$verbose" && \
echo "	defining" RETSIGTYPE to be "void"
echo "#define" RETSIGTYPE "void" >> confdefs.h
DEFS="$DEFS -DRETSIGTYPE=void"
}


else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" RETSIGTYPE to be "int"
echo "#define" RETSIGTYPE "int" >> confdefs.h
DEFS="$DEFS -DRETSIGTYPE=int"
}

fi
rm -f conftest*



{
test -n "$verbose" && \
echo "	defining" SIGT to be "RETSIGTYPE"
echo "#define" SIGT "RETSIGTYPE" >> confdefs.h
DEFS="$DEFS -DSIGT=RETSIGTYPE"
}

case "$DEFS" in
	*RETSIGTYPE=void* ) 
{
test -n "$verbose" && \
echo "	defining" SIGRET to be "/*do nothing*/"
echo "#define" SIGRET "/*do nothing*/" >> confdefs.h
DEFS="$DEFS -DSIGRET=/*do nothing*/"
}
 ;;
	* ) 
{
test -n "$verbose" && \
echo "	defining" SIGRET to be "return 0"
echo "#define" SIGRET "return 0" >> confdefs.h
DEFS="$DEFS -DSIGRET=return 0"
}
 ;;
esac

test -n "$silent" || echo "checking for size_t in <sys/types.h> or <stdio.h>"
 cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

#include <sys/types.h>
#include <stdio.h>
int main() { size_t x; exit (0);}

EOF
eval $ac_compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining" size_t to be "unsigned"
echo "#define" size_t "unsigned" >> confdefs.h
DEFS="$DEFS -Dsize_t=unsigned"
}

fi
rm -fr conftest*
test -n "$silent" || echo "checking for uid_t in sys/types.h"
echo '#include "confdefs.h"
#include <sys/types.h>' > conftest.${ac_ext}
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "uid_t" conftest.out >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" uid_t to be "int"
echo "#define" uid_t "int" >> confdefs.h
DEFS="$DEFS -Duid_t=int"
}
 
{
test -n "$verbose" && \
echo "	defining" gid_t to be "int"
echo "#define" gid_t "int" >> confdefs.h
DEFS="$DEFS -Dgid_t=int"
}

fi
rm -f conftest*

test -n "$silent" || echo "checking for pid_t in sys/types.h"
echo '#include "confdefs.h"
#include <sys/types.h>' > conftest.${ac_ext}
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "pid_t" conftest.out >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" pid_t to be "int"
echo "#define" pid_t "int" >> confdefs.h
DEFS="$DEFS -Dpid_t=int"
}

fi
rm -f conftest*


###	checks for library functions
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <stdio.h>
/* If setvbuf has the reversed format, exit 0. */
main () {
  /* This call has the arguments reversed.
     A reversed system may check and see that the address of main
     is not _IOLBF, _IONBF, or _IOFBF, and return nonzero.  */
  if (setvbuf(stdout, _IOLBF, (char *) main, BUFSIZ) != 0)
    exit(1);
  putc('\r', stdout);
  exit(0);			/* Non-reversed systems segv here.  */
}
EOF
eval $ac_compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining SETVBUF_REVERSED"
echo "#define" SETVBUF_REVERSED "1" >> confdefs.h
DEFS="$DEFS -DSETVBUF_REVERSED=1"
}


fi
rm -fr conftest*
rm -f core


###	checks for structures
test -n "$silent" || echo "checking for broken stat file mode macros"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
#ifdef S_ISBLK
#if S_ISBLK (S_IFDIR)
You lose.
#endif
#ifdef S_IFCHR
#if S_ISBLK (S_IFCHR)
You lose.
#endif
#endif /* S_IFCHR */
#endif /* S_ISBLK */
#ifdef S_ISLNK
#if S_ISLNK (S_IFREG)
You lose.
#endif
#endif /* S_ISLNK */
#ifdef S_ISSOCK
#if S_ISSOCK (S_IFREG)
You lose.
#endif
#endif /* S_ISSOCK */

EOF
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "You lose" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining STAT_MACROS_BROKEN"
echo "#define" STAT_MACROS_BROKEN "1" >> confdefs.h
DEFS="$DEFS -DSTAT_MACROS_BROKEN=1"
}


fi
rm -f conftest*

test -n "$silent" || echo "checking for st_blksize in struct stat"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
int main() { return 0; }
int t() { struct stat s; s.st_blksize;; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_ST_BLKSIZE"
echo "#define" HAVE_ST_BLKSIZE "1" >> confdefs.h
DEFS="$DEFS -DHAVE_ST_BLKSIZE=1"
}


fi
rm -f conftest*

test -n "$silent" || echo "checking for st_blocks in struct stat"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
int main() { return 0; }
int t() { struct stat s; s.st_blocks;; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_ST_BLOCKS"
echo "#define" HAVE_ST_BLOCKS "1" >> confdefs.h
DEFS="$DEFS -DHAVE_ST_BLOCKS=1"
}


else
  rm -rf conftest*
  LIBOBJS="$LIBOBJS fileblocks.o"
fi
rm -f conftest*

test -n "$silent" || echo "checking for st_rdev in struct stat"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
int main() { return 0; }
int t() { struct stat s; s.st_rdev;; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_ST_RDEV"
echo "#define" HAVE_ST_RDEV "1" >> confdefs.h
DEFS="$DEFS -DHAVE_ST_RDEV=1"
}


fi
rm -f conftest*

test -n "$silent" || echo "checking for whether time.h and sys/time.h may both be included"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>
int main() { return 0; }
int t() { struct tm *tp;; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining TIME_WITH_SYS_TIME"
echo "#define" TIME_WITH_SYS_TIME "1" >> confdefs.h
DEFS="$DEFS -DTIME_WITH_SYS_TIME=1"
}


fi
rm -f conftest*

test -n "$silent" || echo "checking for struct tm in time.h"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <time.h>
int main() { return 0; }
int t() { struct tm *tp; tp->tm_sec;; return 0; }
EOF
if eval $ac_compile; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining TM_IN_SYS_TIME"
echo "#define" TM_IN_SYS_TIME "1" >> confdefs.h
DEFS="$DEFS -DTM_IN_SYS_TIME=1"
}

fi
rm -f conftest*


###	checks for compiler characteristics
ac_prog='/* Ultrix mips cc rejects this.  */
typedef int charset[2]; const charset x;
/* SunOS 4.1.1 cc rejects this.  */
char const *const *ccp;
char **p;
/* AIX XL C 1.02.0.0 rejects this.
   It does not let you subtract one const X* pointer from another in an arm
   of an if-expression whose if-part is not a constant expression */
const char *g = "string";
ccp = &g + (g ? g-g : 0);
/* HPUX 7.0 cc rejects these. */
++ccp;
p = (char**) ccp;
ccp = (char const *const *) p;
{ /* SCO 3.2v4 cc rejects this.  */
  char *t;
  char const *s = 0 ? (char *) 0 : (char const *) 0;

  *t++ = 0;
}
{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
  int x[] = {25,17};
  const int *foo = &x[0];
  ++foo;
}
{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
  typedef const int *iptr;
  iptr p = 0;
  ++p;
}
{ /* AIX XL C 1.02.0.0 rejects this saying
     "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
  struct s { int j; const int *ap[3]; };
  struct s *b; b->j = 5;
}
{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
  const int foo = 10;
}'
test -n "$silent" || echo "checking for lack of working const"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { $ac_prog; return 0; }
EOF
if eval $ac_compile; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining" const to be empty
echo "#define" const "" >> confdefs.h
DEFS="$DEFS -Dconst="
}

fi
rm -f conftest*


# I haven't found a "losing" compiler to check the following on.  I gather
# that some losing compiler's can be found on pyramid's, aix, and Apple's AUX2.
test -n "$silent" || echo "checking for to see if switch cases work with structure offsets"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { struct foo {int a,b;};
 extern getpid();
 switch(getpid()){case ((int) &(((struct foo *)0)->b)) : printf("foo"); } ; return 0; }
EOF
if eval $ac_compile; then
  :
else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_LOSING_SWITCH_WITH_STRUCTURE_OFFSET"
echo "#define" HAVE_LOSING_SWITCH_WITH_STRUCTURE_OFFSET "1" >> confdefs.h
DEFS="$DEFS -DHAVE_LOSING_SWITCH_WITH_STRUCTURE_OFFSET=1"
}

fi
rm -f conftest*


###	checks for system services and user specified options
test -n "$silent" || echo "checking for long file names"
ac_some_dir_failed=false
# Test for long file names in all the places we know might matter:
#      .		the current directory, where building will happen
#      /tmp		where it might want to write temporary files
#      /var/tmp		likewise
#      /usr/tmp		likewise
#      $prefix/lib	where we will be installing things
#      $exec_prefix/lib	likewise
# eval it to expand exec_prefix.
for ac_dir in `eval echo . /tmp /var/tmp /usr/tmp $prefix/lib $exec_prefix/lib` ; do
  test -d $ac_dir || continue
  test -w $ac_dir || continue # It's less confusing to not echo anything here.
  (echo 1 > $ac_dir/conftest9012345) 2>/dev/null
  (echo 2 > $ac_dir/conftest9012346) 2>/dev/null
  val=`cat $ac_dir/conftest9012345 2>/dev/null`
  test -f $ac_dir/conftest9012345 && test "$val" = 1 || ac_some_dir_failed=true
  rm -f $ac_dir/conftest9012345 $ac_dir/conftest9012346 2> /dev/null
done
$ac_some_dir_failed || 
{
test -n "$verbose" && \
echo "	defining HAVE_LONG_FILE_NAMES"
echo "#define" HAVE_LONG_FILE_NAMES "1" >> confdefs.h
DEFS="$DEFS -DHAVE_LONG_FILE_NAMES=1"
}


test -n "$silent" || echo "checking for restartable reads on pipes"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
/* Exit 0 (true) if wait returns something other than -1,
   i.e. the pid of the child, which means that wait was restarted
   after getting the signal.  */
#include <sys/types.h>
#include <signal.h>
#ifdef SA_RESTART
sigwrapper(sig, disp)
int sig;
void (*disp)();
{
    struct sigaction act, oact;

    act.sa_handler = disp;
    sigemptyset(&act.sa_mask);
    act.sa_flags = SA_RESTART;

    (void)sigaction(sig, &act, &oact);

}
#else
# define sigwrapper signal
#endif
ucatch (isig) { }
main () {
  int i, status;
  int fd[2];
  char buff[2];
  pipe(fd);
  i = fork();
  if (i == 0) {
      sleep (2);
      kill (getppid (), SIGINT);
      sleep (2);
      write(fd[1],"done",4);
      close(fd[1]);
      exit (0);
  }
  sigwrapper (SIGINT, ucatch);
  status = read(fd[0], buff, sizeof(buff));
  wait (&i);
  exit (status == -1);
}

EOF
eval $ac_compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining HAVE_RESTARTABLE_PIPEREAD"
echo "#define" HAVE_RESTARTABLE_PIPEREAD "1" >> confdefs.h
DEFS="$DEFS -DHAVE_RESTARTABLE_PIPEREAD=1"
}


fi
rm -fr conftest*
		# is a read() of a pipe restartable?
ac_save_LIBS="${LIBS}"
LIBS="-lnsl ${LIBS}"
ac_have_lib=""
test -n "$silent" || echo "checking for -lnsl"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   
{
test -n "$verbose" && \
echo "	defining HAVE_LIBNSL"
echo "#define" HAVE_LIBNSL "1" >> confdefs.h
DEFS="$DEFS -DHAVE_LIBNSL=1"
}

   LIBS="-lnsl ${LIBS}"
fi
		# needed on some systems to find gethostname









test -n "$silent" || echo "checking for BSD style setpgrp"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

main()
{
    if (setpgrp(1,1) == -1)
	exit(0);
    else
	exit(1);
}
EOF
eval $ac_compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining HAVE_BSD_SETPGRP"
echo "#define" HAVE_BSD_SETPGRP "1" >> confdefs.h
DEFS="$DEFS -DHAVE_BSD_SETPGRP=1"
}


fi
rm -fr conftest*


test -n "$silent" || echo "checking if killpg is needed"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

#include <sys/types.h>
#include <signal.h>
RETSIGTYPE
handler(s)
    int s;
{
    exit(0);
}

main()
{
#ifdef HAVE_BSD_SETPGRP
    (void) setpgrp(0,0);
#else
    (void) setpgrp();
#endif
    (void) signal(SIGINT, handler);
    (void) kill(-getpid(), SIGINT);
    exit(1);
}
EOF
eval $ac_compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  
{
test -n "$verbose" && \
echo "	defining HAVE_KILLPG"
echo "#define" HAVE_KILLPG "1" >> confdefs.h
DEFS="$DEFS -DHAVE_KILLPG=1"
}

fi
rm -fr conftest*

test -n "$silent" || echo "checking for declaration of sys_errlist"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

#include <stdio.h>
#include <sys/types.h>
#include <errno.h>

int main() { return 0; }
int t() {  char *c = (char *) *sys_errlist; ; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_EXTERN_SYS_ERRLIST"
echo "#define" HAVE_EXTERN_SYS_ERRLIST "1" >> confdefs.h
DEFS="$DEFS -DHAVE_EXTERN_SYS_ERRLIST=1"
}


fi
rm -f conftest*

for ac_func in sigprocmask setsid select poll strchr strrchr gethostname \
	getcwd getwd killpg setvbuf access mkdir tcgetattr ttyname link \
	utime utimes alarm
do
ac_tr_func=HAVE_`echo $ac_func | tr '[a-z]' '[A-Z]'`
test -n "$silent" || echo "checking for ${ac_func}"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <ctype.h>
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
/* Override any gcc2 internal prototype to avoid an error.  */
extern char ${ac_func}(); ${ac_func}();
#endif
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  {
test -n "$verbose" && \
echo "	defining ${ac_tr_func}"
echo "#define" ${ac_tr_func} "1" >> confdefs.h
DEFS="$DEFS -D${ac_tr_func}=1"
}


fi
rm -f conftest*
done



{
test -n "$verbose" && \
echo "	defining SYS_UNIX"
echo "#define" SYS_UNIX "1" >> confdefs.h
DEFS="$DEFS -DSYS_UNIX=1"
}


{
test -n "$verbose" && \
echo "	defining scrn_chosen"
echo "#define" scrn_chosen "1" >> confdefs.h
DEFS="$DEFS -Dscrn_chosen=1"
}

# Try to eventually eliminate the following

{
test -n "$verbose" && \
echo "	defining os_chosen"
echo "#define" os_chosen "1" >> confdefs.h
DEFS="$DEFS -Dos_chosen=1"
}

# check whether --with-screen or --without-screen was given.
withval="$with_screen"
if test -n "$withval"; then
  screen=$withval
fi

if test -z "$screen"; then
	# check whether --with-scr or --without-scr was given.
withval="$with_scr"
if test -n "$withval"; then
  screen=$withval
fi

fi

if test -z "$screen"; then
	screen=termcap;
fi

case "$screen" in
	openlook | OpenLook | motif | Motif | [xX] | [xX][tT]* | [xX]11 )
		# If we find X, set shell vars x_includes and x_libraries to the paths.
no_x=true
if test "x$with_x" != xno; then
test -n "$silent" || echo "checking for X include and library files with xmkmf"
rm -fr conftestdir
if mkdir conftestdir; then
  cd conftestdir
  # Make sure to not put "make" in the Imakefile rules, since we grep it out.
  cat > Imakefile <<'EOF'
acfindx:
	@echo 'ac_im_incroot="${INCROOT}"; ac_im_usrlibdir="${USRLIBDIR}"; ac_im_libdir="${LIBDIR}"'
EOF
  if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
    no_x=
    # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
    eval `make acfindx 2>/dev/null | grep -v make`
    # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR.
    if test ! -f $ac_im_usrlibdir/libX11.a && test -f $ac_im_libdir/libX11.a
    then
      ac_im_usrlibdir=$ac_im_libdir
    fi
    case "$ac_im_incroot" in
	/usr/include) ;;
	*) test -z "$x_includes" && x_includes="$ac_im_incroot" ;;
    esac
    case "$ac_im_usrlibdir" in
	/usr/lib | /lib) ;;
	*) test -z "$x_libraries" && x_libraries="$ac_im_usrlibdir" ;;
    esac
  fi
  cd ..
  rm -fr conftestdir
fi

if test -z "$ac_im_usrlibdir"; then
test -n "$silent" || echo "checking for X include and library files directly"
if test ".$x_direct_test_library" = . ; then
   x_direct_test_library='Xt'
fi
if test ".$x_direct_test_include" = . ; then
   x_direct_test_include='X11/Intrinsic.h'
fi
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <$x_direct_test_include>
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  rm -rf conftest*
  no_x=

else
  rm -rf conftest*
  for ac_dir in               \
    /usr/X11R6/include        \
    /usr/X11R5/include        \
    /usr/X11R4/include        \
                              \
    /usr/include/X11R6        \
    /usr/include/X11R5        \
    /usr/include/X11R4        \
                              \
    /usr/local/X11R6/include  \
    /usr/local/X11R5/include  \
    /usr/local/X11R4/include  \
                              \
    /usr/local/include/X11R6  \
    /usr/local/include/X11R5  \
    /usr/local/include/X11R4  \
                              \
    /usr/X11/include          \
    /usr/include/X11          \
    /usr/local/X11/include    \
    /usr/local/include/X11    \
                              \
    /usr/X386/include         \
    /usr/x386/include         \
    /usr/XFree86/include/X11  \
                              \
    /usr/include              \
    /usr/local/include        \
    /usr/unsupported/include  \
    /usr/athena/include       \
    /usr/local/x11r5/include  \
    /usr/lpp/Xamples/include  \
                              \
    /usr/openwin/include      \
    /usr/openwin/share/include \
    ; \
  do
    if test -r "$ac_dir/$x_direct_test_include"; then
      test -z "$x_includes" && x_includes=$ac_dir
      no_x=
      break
    fi
  done
fi
rm -f conftest*

# Check for the libraries.  First see if replacing the `include' by
# `lib' works.
ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -l"$x_direct_test_library""
ac_have_lib=""
test -n "$silent" || echo "checking for -l"$x_direct_test_library""
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; no_x=
else
   :; for ac_dir in `echo "$x_includes" | sed s/include/lib/` \
    /usr/X11R6/lib        \
    /usr/X11R5/lib        \
    /usr/X11R4/lib        \
                          \
    /usr/lib/X11R6        \
    /usr/lib/X11R5        \
    /usr/lib/X11R4        \
                          \
    /usr/local/X11R6/lib  \
    /usr/local/X11R5/lib  \
    /usr/local/X11R4/lib  \
                          \
    /usr/local/lib/X11R6  \
    /usr/local/lib/X11R5  \
    /usr/local/lib/X11R4  \
                          \
    /usr/X11/lib          \
    /usr/lib/X11          \
    /usr/local/X11/lib    \
    /usr/local/lib/X11    \
                          \
    /usr/X386/lib         \
    /usr/x386/lib         \
    /usr/XFree86/lib/X11  \
                          \
    /usr/lib              \
    /usr/local/lib        \
    /usr/unsupported/lib  \
    /usr/athena/lib       \
    /usr/local/x11r5/lib  \
    /usr/lpp/Xamples/lib  \
                          \
    /usr/openwin/lib      \
    /usr/openwin/share/lib \
    ; \
do
  for ac_extension in a so sl; do
    if test -r $ac_dir/lib${x_direct_test_library}.$ac_extension; then
      test -z "$x_libraries" && x_libraries=$ac_dir
      no_x=
      break 2
    fi
  done
done
fi

fi
test -n "$x_includes" && test -n "$verbose" && echo "	X11 headers are in $x_includes"
test -n "$x_libraries" && test -n "$verbose" && echo "	X11 libraries are in $x_libraries"
fi


test -n "$silent" || echo "checking for additional X libraries and flags"
if test -n "$x_includes"; then
  X_CFLAGS="$X_CFLAGS -I$x_includes"
elif test -n "$no_x"; then 
  # Not all programs may use this symbol, but it won't hurt to define it.
  X_CFLAGS="$X_CFLAGS -DX_DISPLAY_MISSING"
fi

# It would be nice to have a more robust check for the -R ld option than
# just checking for Solaris.
# It would also be nice to do this for all -L options, not just this one.
if test -n "$x_libraries"; then
  X_LIBS="$X_LIBS -L$x_libraries"
  if test "`(uname) 2>/dev/null`" = SunOS \
     && uname -r | grep '^5' >/dev/null; then
    X_LIBS="$X_LIBS -R$x_libraries"
  fi
fi

# Check for additional X libraries.

if test -n "$ISC"; then
  X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl_s -linet"
else
  # Martyn.Johnson@cl.cam.ac.uk says this is needed for Ultrix, if the X
  # libraries were built with DECnet support.  And karl@cs.umb.edu's Alpha
  # needs dnet_stub (dnet doesn't exist).
  ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -ldnet"
ac_have_lib=""
test -n "$silent" || echo "checking for -ldnet"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"
     ac_have_dnet=t
else
   :; 
fi

  if test -z "$ac_have_dnet"; then
    ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -ldnet_stub"
ac_have_lib=""
test -n "$silent" || echo "checking for -ldnet_stub"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"
else
   :; 
fi

  fi
  # lieder@skyler.mavd.honeywell.com says without -lsocket,
  # socket/setsockopt and other routines are undefined under SCO ODT 2.0.
  # But -lsocket is broken on IRIX, according to simon@lia.di.epfl.ch.
  if test "`(uname) 2>/dev/null`" != IRIX; then
    ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -lsocket"
ac_have_lib=""
test -n "$silent" || echo "checking for -lsocket"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; X_EXTRA_LIBS="$X_EXTRA_LIBS -lsocket"
else
   :; 
fi

  fi
fi
#
test -n "$verbose" && echo "	X compiler flags: $X_CFLAGS"
test -n "$verbose" && echo "	X library flags: $X_LIBS"
test -n "$verbose" && echo "	extra X libraries: $X_EXTRA_LIBS"

		# GNU autoconf-1.9 does not give me everything I need for
		# X_CFLAGS.  The following test will (hopefully) find the
		# additional flags needed to make it through X11/Xos.h.
		test -n "$silent" || echo "checking for additional compiler flags needed with X11"
		if mkdir conftestdir; then
			cd conftestdir
			cat > Imakefile <<'EOF'
findstddefs:
	@echo 'im_std_defines="${STD_DEFINES}"'
EOF
			if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
				# GNU make sometimes prints "make[1]: Entering...", which
				# would confuse us.
				eval `make findstddefs 2>/dev/null | grep -v make`
				X_CFLAGS="$X_CFLAGS $im_std_defines"
			fi
			cd ..
			rm -rf conftestdir
		fi

		LDFLAGS="$LDFLAGS $X_LIBS"
		CFLAGS="$CFLAGS $X_CFLAGS"
		SCREEN=x11
		TARGET=xvile
		
{
test -n "$verbose" && \
echo "	defining DISP_X11"
echo "#define" DISP_X11 "1" >> confdefs.h
DEFS="$DEFS -DDISP_X11=1"
}

		
{
test -n "$verbose" && \
echo "	defining XTOOLKIT"
echo "#define" XTOOLKIT "1" >> confdefs.h
DEFS="$DEFS -DXTOOLKIT=1"
}

		ac_save_LIBS="${LIBS}"
LIBS="-lX11 ${LIBS}"
ac_have_lib=""
test -n "$silent" || echo "checking for -lX11"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   
{
test -n "$verbose" && \
echo "	defining HAVE_LIBX11"
echo "#define" HAVE_LIBX11 "1" >> confdefs.h
DEFS="$DEFS -DHAVE_LIBX11=1"
}

   LIBS="-lX11 ${LIBS}"
fi

		LIBS="-lXt $LIBS"
		
{
test -n "$verbose" && \
echo "	defining HAVE_LIBXT"
echo "#define" HAVE_LIBXT "1" >> confdefs.h
DEFS="$DEFS -DHAVE_LIBXT=1"
}

		test -n "$silent" || echo "checking for -lXt"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { XtAppInitialize();; return 0; }
EOF
if eval $ac_compile; then
  :
else
  rm -rf conftest*
  echo "configure: warning: Unable to successfully link X Toolkit library (-lXt) with test program.
You will have to check and add the proper libraries by hand to makefile." >&2
fi
rm -f conftest*

	;;
esac

case "$screen" in
	open* | Open* )
		
{
test -n "$verbose" && \
echo "	defining OL_WIDGETS"
echo "#define" OL_WIDGETS "1" >> confdefs.h
DEFS="$DEFS -DOL_WIDGETS=1"
}

		if test -n "$OPENWINHOME"; then
			X_LIBS="-L${OPENWINHOME}/lib"
			X_CFLAGS="$X_CFLAGS -I${OPENWINHOME}/include"
		fi
		LDFLAGS="$LDFLAGS $X_LIBS"
		ac_save_LIBS="${LIBS}"
LIBS="-lXmu ${LIBS}"
ac_have_lib=""
test -n "$silent" || echo "checking for -lXmu"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   
{
test -n "$verbose" && \
echo "	defining HAVE_LIBXMU"
echo "#define" HAVE_LIBXMU "1" >> confdefs.h
DEFS="$DEFS -DHAVE_LIBXMU=1"
}

   LIBS="-lXmu ${LIBS}"
fi

		ac_save_LIBS="${LIBS}"
LIBS="-lXol ${LIBS}"
ac_have_lib=""
test -n "$silent" || echo "checking for -lXol"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; LIBS="-lXol $LIBS"
else
   :; echo "configure: Unable to successfully link OpenLook library (-lXol) with test program" >&2; exit 1
fi

	;;
	motif* | Motif* )
		
{
test -n "$verbose" && \
echo "	defining MOTIF_WIDGETS"
echo "#define" MOTIF_WIDGETS "1" >> confdefs.h
DEFS="$DEFS -DMOTIF_WIDGETS=1"
}

		ac_save_LIBS="${LIBS}"
LIBS="-lgen ${LIBS}"
ac_have_lib=""
test -n "$silent" || echo "checking for -lgen"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   
{
test -n "$verbose" && \
echo "	defining HAVE_LIBGEN"
echo "#define" HAVE_LIBGEN "1" >> confdefs.h
DEFS="$DEFS -DHAVE_LIBGEN=1"
}

   LIBS="-lgen ${LIBS}"
fi

		ac_save_LIBS="${LIBS}"
LIBS="-lXmu ${LIBS}"
ac_have_lib=""
test -n "$silent" || echo "checking for -lXmu"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   
{
test -n "$verbose" && \
echo "	defining HAVE_LIBXMU"
echo "#define" HAVE_LIBXMU "1" >> confdefs.h
DEFS="$DEFS -DHAVE_LIBXMU=1"
}

   LIBS="-lXmu ${LIBS}"
fi

		ac_save_LIBS="${LIBS}"
LIBS="-lXext ${LIBS}"
ac_have_lib=""
test -n "$silent" || echo "checking for -lXext"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   
{
test -n "$verbose" && \
echo "	defining HAVE_LIBXEXT"
echo "#define" HAVE_LIBXEXT "1" >> confdefs.h
DEFS="$DEFS -DHAVE_LIBXEXT=1"
}

   LIBS="-lXext ${LIBS}"
fi

		ac_save_LIBS="${LIBS}"
LIBS="-lXm ${LIBS}"
ac_have_lib=""
test -n "$silent" || echo "checking for -lXm"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; LIBS="-lXm $LIBS"
else
   :; echo "configure: Unable to successfully link Motif library (-lXm) with test program" >&2; exit 1
fi

	;;
	x | X | [Xx][Tt]* | [Xx]11 )
		
{
test -n "$verbose" && \
echo "	defining NO_WIDGETS"
echo "#define" NO_WIDGETS "1" >> confdefs.h
DEFS="$DEFS -DNO_WIDGETS=1"
}

	;;
	* )
		SCREEN=tcap
		TARGET=vile
		
{
test -n "$verbose" && \
echo "	defining DISP_TERMCAP"
echo "#define" DISP_TERMCAP "1" >> confdefs.h
DEFS="$DEFS -DDISP_TERMCAP=1"
}

		ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -ltermlib"
ac_have_lib=""
test -n "$silent" || echo "checking for -ltermlib"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; LIBS="$LIBS -ltermlib" termlib=found
else
   :; 
fi

		if test "$termlib" != found; then
			# allow curses library for broken AIX system.
			ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -lcurses"
ac_have_lib=""
test -n "$silent" || echo "checking for -lcurses"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; LIBS="$LIBS -lcurses" termlib=found
else
   :; 
fi

			ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -ltermcap"
ac_have_lib=""
test -n "$silent" || echo "checking for -ltermcap"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; LIBS="$LIBS -ltermcap" termlib=found
else
   :; 
fi

		fi
		if test "$termlib" != found; then
			ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -ltermcap"
ac_have_lib=""
test -n "$silent" || echo "checking for -ltermcap"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; LIBS="$LIBS -ltermcap" termlib=found
else
   :; 
fi

		fi
		if test "$termlib" != found; then
			echo "configure: warning: Can't find -ltermlib, -lcurses, or -ltermcap" >&2
		fi
	;;
esac

###	mandatory checks for missing headers
for ac_func in \
getenv \
getwd \
malloc \
realloc \
rindex \
strtol \

do
ac_tr_func=`echo $ac_func | tr '[a-z]' '[A-Z]'`
test -n "$silent" || echo "checking for missing "${ac_func}" extern"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

#include <stdio.h>
#include <sys/types.h>
#include <setjmp.h>
#include <signal.h>
#include <errno.h>
#ifdef HAVE_TYPES_H
#include <types.h>
#endif
#ifdef HAVE_LIBC_H
#include <libc.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#else
#ifdef HAVE_VARARGS_H
#include <varargs.h>
#endif
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#if HAVE_UTIME_H
# include <utime.h>
#endif

#if STDC_HEADERS || HAVE_STRING_H
#include <string.h>
  /* An ANSI string.h and pre-ANSI memory.h might conflict.  */
#if !STDC_HEADERS && HAVE_MEMORY_H
#include <memory.h>
#endif /* not STDC_HEADERS and HAVE_MEMORY_H */
#else /* not STDC_HEADERS and not HAVE_STRING_H */
#if HAVE_STRINGS_H
#include <strings.h>
  /* memory.h and strings.h conflict on some systems */
#endif
#endif /* not STDC_HEADERS and not HAVE_STRING_H */

#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif

/* unistd.h defines _POSIX_VERSION on POSIX.1 systems.  */
#if defined(DIRENT) || defined(_POSIX_VERSION)
#include <dirent.h>
#else /* not (DIRENT or _POSIX_VERSION) */
#ifdef SYSNDIR
#include <sys/ndir.h>
#endif /* SYSNDIR */
#ifdef SYSDIR
#include <sys/dir.h>
#endif /* SYSDIR */
#ifdef NDIR
#include <ndir.h>
#endif /* NDIR */
#endif /* not (DIRENT or _POSIX_VERSION) */

#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
#ifdef HAVE_STAT_H
#include <stat.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif
#ifdef HAVE_SIGINFO_H
#include <siginfo.h>
#endif

#ifdef TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif

#ifdef HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
#ifdef HAVE_UCONTEXT_H
#include <ucontext.h>
#endif
#ifdef HAVE_LIBGEN_H
#include <libgen.h>
#else
#ifdef HAVE_BSD_REGEX_H
#include <bsd/regex.h>
#endif
#endif
#ifdef HAVE_MATH_H
#include <math.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_SYS_IPC_H
#include <sys/ipc.h>
#endif
#ifdef HAVE_SYS_MSG_H
#include <sys/msg.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#ifdef HAVE_SELECT_H
#include <select.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif

#if !defined(FIONREAD)
/* try harder to get it */
# if HAVE_SYS_FILIO_H
#  include <sys/filio.h>
# else /* if you have trouble including ioctl.h, try <sys/ioctl.h> instead */
#  if HAVE_IOCTL_H
#   include <ioctl.h>
#  else
#   if HAVE_SYS_IOCTL_H
#    include <sys/ioctl.h>
#   endif
#  endif
# endif
#endif

#undef ${ac_func}
struct zowie { int a; double b; struct zowie *c; char d; };
extern struct zowie *${ac_func}();

int main() { return 0; }
int t() { int i;
#if HAVE_LIBXT		/* needed for SunOS 4.0.3 or 4.1 */
XtToolkitInitialize();
#endif
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining MISSING_EXTERN_${ac_tr_func}"
echo "#define" MISSING_EXTERN_${ac_tr_func} "1" >> confdefs.h
DEFS="$DEFS -DMISSING_EXTERN_${ac_tr_func}=1"
}


else
  rm -rf conftest*
  

fi
rm -f conftest*

done


###	optional checks for missing headers (enabled with --with-warnings)
if test -n "$with_warnings"
then
for ac_func in \
_filbuf \
_flsbuf \
access \
alarm \
atoi \
bzero \
chdir \
close \
dup \
execlp \
fclose \
fflush \
fgetc \
fileno \
fork \
fprintf \
fputc \
fputs \
fread \
free \
fseek \
fwrite \
gethostname \
getpgrp \
getpid \
getuid \
ioctl \
isatty \
kill \
killpg \
link \
longjmp \
memset \
mkdir \
open \
perror \
pipe \
printf \
puts \
qsort \
read \
select \
setbuf \
setbuffer \
setjmp \
setpgrp \
setsid \
setvbuf \
sleep \
sscanf \
system \
time \
unlink \
utime \
utimes \
wait \
write \

do
ac_tr_func=`echo $ac_func | tr '[a-z]' '[A-Z]'`
test -n "$silent" || echo "checking for missing "${ac_func}" extern"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

#include <stdio.h>
#include <sys/types.h>
#include <setjmp.h>
#include <signal.h>
#include <errno.h>
#ifdef HAVE_TYPES_H
#include <types.h>
#endif
#ifdef HAVE_LIBC_H
#include <libc.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#else
#ifdef HAVE_VARARGS_H
#include <varargs.h>
#endif
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#if HAVE_UTIME_H
# include <utime.h>
#endif

#if STDC_HEADERS || HAVE_STRING_H
#include <string.h>
  /* An ANSI string.h and pre-ANSI memory.h might conflict.  */
#if !STDC_HEADERS && HAVE_MEMORY_H
#include <memory.h>
#endif /* not STDC_HEADERS and HAVE_MEMORY_H */
#else /* not STDC_HEADERS and not HAVE_STRING_H */
#if HAVE_STRINGS_H
#include <strings.h>
  /* memory.h and strings.h conflict on some systems */
#endif
#endif /* not STDC_HEADERS and not HAVE_STRING_H */

#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif

/* unistd.h defines _POSIX_VERSION on POSIX.1 systems.  */
#if defined(DIRENT) || defined(_POSIX_VERSION)
#include <dirent.h>
#else /* not (DIRENT or _POSIX_VERSION) */
#ifdef SYSNDIR
#include <sys/ndir.h>
#endif /* SYSNDIR */
#ifdef SYSDIR
#include <sys/dir.h>
#endif /* SYSDIR */
#ifdef NDIR
#include <ndir.h>
#endif /* NDIR */
#endif /* not (DIRENT or _POSIX_VERSION) */

#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
#ifdef HAVE_STAT_H
#include <stat.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif
#ifdef HAVE_SIGINFO_H
#include <siginfo.h>
#endif

#ifdef TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif

#ifdef HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
#ifdef HAVE_UCONTEXT_H
#include <ucontext.h>
#endif
#ifdef HAVE_LIBGEN_H
#include <libgen.h>
#else
#ifdef HAVE_BSD_REGEX_H
#include <bsd/regex.h>
#endif
#endif
#ifdef HAVE_MATH_H
#include <math.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_SYS_IPC_H
#include <sys/ipc.h>
#endif
#ifdef HAVE_SYS_MSG_H
#include <sys/msg.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#ifdef HAVE_SELECT_H
#include <select.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif

#if !defined(FIONREAD)
/* try harder to get it */
# if HAVE_SYS_FILIO_H
#  include <sys/filio.h>
# else /* if you have trouble including ioctl.h, try <sys/ioctl.h> instead */
#  if HAVE_IOCTL_H
#   include <ioctl.h>
#  else
#   if HAVE_SYS_IOCTL_H
#    include <sys/ioctl.h>
#   endif
#  endif
# endif
#endif

#undef ${ac_func}
struct zowie { int a; double b; struct zowie *c; char d; };
extern struct zowie *${ac_func}();

int main() { return 0; }
int t() { int i;
#if HAVE_LIBXT		/* needed for SunOS 4.0.3 or 4.1 */
XtToolkitInitialize();
#endif
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining MISSING_EXTERN_${ac_tr_func}"
echo "#define" MISSING_EXTERN_${ac_tr_func} "1" >> confdefs.h
DEFS="$DEFS -DMISSING_EXTERN_${ac_tr_func}=1"
}


else
  rm -rf conftest*
  

fi
rm -f conftest*

done

fi

test -n "$silent" || echo "checking for argument of getpgrp"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

#include <sys/types.h>
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif

int main() { return 0; }
int t() {  getpgrp(0) ; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining GETPGRP_HAS_ARG"
echo "#define" GETPGRP_HAS_ARG "1" >> confdefs.h
DEFS="$DEFS -DGETPGRP_HAS_ARG=1"
}


fi
rm -f conftest*


###	output makefile and config.h
CFLAGS=$saved_CFLAGS

# The preferred way to propogate these variables is regular @ substitutions.
if test -n "$prefix"; then
  ac_prsub="s%^prefix\\([ 	]*\\)=\\([ 	]*\\).*$%prefix\\1=\\2$prefix%"
else
  prefix=/usr/local
fi
if test -n "$exec_prefix"; then
  ac_prsub="$ac_prsub
s%^exec_prefix\\([ 	]*\\)=\\([ 	]*\\).*$%exec_prefix\\1=\\2$exec_prefix%"
else
  exec_prefix='${prefix}' # Let make expand it.
fi

# 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

# Quote sed substitution magic chars in DEFS.
cat >conftest.def <<EOF
$DEFS
EOF
ac_escape_ampersand_and_backslash='s%[&\\]%\\&%g'
DEFS=`sed "$ac_escape_ampersand_and_backslash" <conftest.def`
rm -f conftest.def
# Substitute for predefined variables.

trap 'rm -f config.status; exit 1' 1 2 15
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 $configure_args

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 $configure_args --no-create
    exec \${CONFIG_SHELL-/bin/sh} $0 $configure_args --no-create ;;
  -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
    echo "config.status generated by autoconf version 1.11"
    exit 0 ;;
  -help | --help | --hel | --he | --h)
    echo "\$ac_cs_usage"; exit 0 ;;
  *) echo "\$ac_cs_usage"; exit 1 ;;
  esac
done

trap 'rm -f makefile config_h; exit 1' 1 2 15
CC='$CC'
CPP='$CPP'
INSTALL='$INSTALL'
INSTALL_PROGRAM='$INSTALL_PROGRAM'
INSTALL_DATA='$INSTALL_DATA'
COULD_BE_SCO='$COULD_BE_SCO'
LIBOBJS='$LIBOBJS'
CFLAGS='$CFLAGS'
LIBS='$LIBS'
X_CFLAGS='$X_CFLAGS'
X_LIBS='$X_LIBS'
X_EXTRA_LIBS='$X_EXTRA_LIBS'
SCREEN='$SCREEN'
TARGET='$TARGET'
srcdir='$srcdir'
top_srcdir='$top_srcdir'
prefix='$prefix'
exec_prefix='$exec_prefix'
DEFS='$DEFS'
ac_prsub='$ac_prsub'
ac_vpsub='$ac_vpsub'
extrasub='$extrasub'
EOF
cat >> config.status <<\EOF

ac_given_srcdir=$srcdir

CONFIG_FILES=${CONFIG_FILES-"makefile config_h"}
for ac_file in .. ${CONFIG_FILES}; do if test "x$ac_file" != x..; then
  # 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"
  else
    ac_dir_suffix=
  fi

  # A "../" for each directory in $ac_dir_suffix.
  ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
  case "$ac_given_srcdir" in
  .)  srcdir=.
      if test -z "$ac_dir_suffix"; 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

  echo creating "$ac_file"
  rm -f "$ac_file"
  comment_str="Generated automatically from `echo $ac_file|sed 's|.*/||'`.in by configure."
  case "$ac_file" in
    *.c | *.h | *.C | *.cc | *.m )  echo "/* $comment_str */" > "$ac_file" ;;
    * )          echo "# $comment_str"     > "$ac_file" ;;
  esac
  sed -e "
$ac_prsub
$ac_vpsub
$extrasub
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@INSTALL@%$INSTALL%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@COULD_BE_SCO@%$COULD_BE_SCO%g
s%@LIBOBJS@%$LIBOBJS%g
s%@CFLAGS@%$CFLAGS%g
s%@LIBS@%$LIBS%g
s%@X_CFLAGS@%$X_CFLAGS%g
s%@X_LIBS@%$X_LIBS%g
s%@X_EXTRA_LIBS@%$X_EXTRA_LIBS%g
s%@SCREEN@%$SCREEN%g
s%@TARGET@%$TARGET%g
s%@srcdir@%$srcdir%g
s%@top_srcdir@%$top_srcdir%g
s%@prefix@%$prefix%g
s%@exec_prefix@%$exec_prefix%g
s%@DEFS@%$DEFS%
" $ac_given_srcdir/${ac_file}.in >> $ac_file
fi; done


echo creating config.h
sed	-e '/^# /d' \
	-e 's/ -D/\
#define /g' \
	-e 's/\(#define [A-Za-z_][A-Za-z0-9_]*\)=/\1	/g' \
	config_h >config.h

echo removing config_h
rm config_h

exit 0
EOF
chmod +x config.status
# Some shells look in PATH for config.status without the "./".
test -n "$no_create" || ${CONFIG_SHELL-/bin/sh} ./config.status

