#! /bin/sh

# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.12 
# Copyright (C) 1992, 93, 94, 95, 96 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:
ac_help="$ac_help
 The location of elk scheme interpreter files "
ac_help="$ac_help
  --with-x                use the X Window System"

# 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
bindir='${exec_prefix}/bin'
sbindir='${exec_prefix}/sbin'
libexecdir='${exec_prefix}/libexec'
datadir='${prefix}/share'
sysconfdir='${prefix}/etc'
sharedstatedir='${prefix}/com'
localstatedir='${prefix}/var'
libdir='${exec_prefix}/lib'
includedir='${prefix}/include'
oldincludedir='/usr/include'
infodir='${prefix}/info'
mandir='${prefix}/man'

# Initialize some other variables.
subdirs=
MFLAGS= MAKEFLAGS=
# Maximum number of lines to put in a shell here document.
ac_max_here_lines=12

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

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

  # Accept the important Cygnus configure options, so we can diagnose typos.

  case "$ac_option" in

  -bindir | --bindir | --bindi | --bind | --bin | --bi)
    ac_prev=bindir ;;
  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
    bindir="$ac_optarg" ;;

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

  -cache-file | --cache-file | --cache-fil | --cache-fi \
  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
    ac_prev=cache_file ;;
  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
    cache_file="$ac_optarg" ;;

  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
    ac_prev=datadir ;;
  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
  | --da=*)
    datadir="$ac_optarg" ;;

  -disable-* | --disable-*)
    ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
    # Reject names that are not valid shell variable names.
    if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
      { echo "configure: error: $ac_feature: invalid feature name" 1>&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 are not valid shell variable names.
    if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
      { echo "configure: error: $ac_feature: invalid feature name" 1>&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'" ;;

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

  -help | --help | --hel | --he)
    # Omit some internal or obsolete options to make the list less imposing.
    # This message is too long to be a string in the A/UX 3.1 sh.
    cat << EOF
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:
  --prefix=PREFIX         install architecture-independent files in PREFIX
                          [$ac_default_prefix]
  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                          [same as prefix]
  --bindir=DIR            user executables in DIR [EPREFIX/bin]
  --sbindir=DIR           system admin executables in DIR [EPREFIX/sbin]
  --libexecdir=DIR        program executables in DIR [EPREFIX/libexec]
  --datadir=DIR           read-only architecture-independent data in DIR
                          [PREFIX/share]
  --sysconfdir=DIR        read-only single-machine data in DIR [PREFIX/etc]
  --sharedstatedir=DIR    modifiable architecture-independent data in DIR
                          [PREFIX/com]
  --localstatedir=DIR     modifiable single-machine data in DIR [PREFIX/var]
  --libdir=DIR            object code libraries in DIR [EPREFIX/lib]
  --includedir=DIR        C header files in DIR [PREFIX/include]
  --oldincludedir=DIR     C header files for non-gcc in DIR [/usr/include]
  --infodir=DIR           info documentation in DIR [PREFIX/info]
  --mandir=DIR            man documentation in DIR [PREFIX/man]
  --srcdir=DIR            find the sources in DIR [configure dir or ..]
  --program-prefix=PREFIX prepend PREFIX to installed program names
  --program-suffix=SUFFIX append SUFFIX to installed program names
  --program-transform-name=PROGRAM
                          run sed PROGRAM on installed program names
EOF
    cat << EOF
Host type:
  --build=BUILD           configure for building on BUILD [BUILD=HOST]
  --host=HOST             configure for HOST [guessed]
  --target=TARGET         configure for TARGET [TARGET=HOST]
Features and packages:
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
  --x-includes=DIR        X include files are in DIR
  --x-libraries=DIR       X library files are in DIR
EOF
    if test -n "$ac_help"; then
      echo "--enable and --with options recognized:$ac_help"
    fi
    exit 0 ;;

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

  -includedir | --includedir | --includedi | --included | --include \
  | --includ | --inclu | --incl | --inc)
    ac_prev=includedir ;;
  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
  | --includ=* | --inclu=* | --incl=* | --inc=*)
    includedir="$ac_optarg" ;;

  -infodir | --infodir | --infodi | --infod | --info | --inf)
    ac_prev=infodir ;;
  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
    infodir="$ac_optarg" ;;

  -libdir | --libdir | --libdi | --libd)
    ac_prev=libdir ;;
  -libdir=* | --libdir=* | --libdi=* | --libd=*)
    libdir="$ac_optarg" ;;

  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
  | --libexe | --libex | --libe)
    ac_prev=libexecdir ;;
  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
  | --libexe=* | --libex=* | --libe=*)
    libexecdir="$ac_optarg" ;;

  -localstatedir | --localstatedir | --localstatedi | --localstated \
  | --localstate | --localstat | --localsta | --localst \
  | --locals | --local | --loca | --loc | --lo)
    ac_prev=localstatedir ;;
  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
    localstatedir="$ac_optarg" ;;

  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
    ac_prev=mandir ;;
  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
    mandir="$ac_optarg" ;;

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

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

  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
    no_recursion=yes ;;

  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
  | --oldin | --oldi | --old | --ol | --o)
    ac_prev=oldincludedir ;;
  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
    oldincludedir="$ac_optarg" ;;

  -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 ;;

  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
    ac_prev=sbindir ;;
  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
  | --sbi=* | --sb=*)
    sbindir="$ac_optarg" ;;

  -sharedstatedir | --sharedstatedir | --sharedstatedi \
  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
  | --sharedst | --shareds | --shared | --share | --shar \
  | --sha | --sh)
    ac_prev=sharedstatedir ;;
  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
  | --sha=* | --sh=*)
    sharedstatedir="$ac_optarg" ;;

  -site | --site | --sit)
    ac_prev=site ;;
  -site=* | --site=* | --sit=*)
    site="$ac_optarg" ;;

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

  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
  | --syscon | --sysco | --sysc | --sys | --sy)
    ac_prev=sysconfdir ;;
  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
    sysconfdir="$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 2.12"
    exit 0 ;;

  -with-* | --with-*)
    ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
    # Reject names that are not valid shell variable names.
    if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
      { echo "configure: error: $ac_package: invalid package name" 1>&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 are not valid shell variable names.
    if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
      { echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
    eval "with_${ac_package}=no" ;;

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

  -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: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
    ;;

  *)
    if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
      echo "configure: warning: $ac_option: invalid host type" 1>&2
    fi
    if test "x$nonopt" != xNONE; then
      { echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; }
    fi
    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 core.* *.core $ac_clean_files; exit 1' 1 2 15

# File descriptor usage:
# 0 standard input
# 1 file creation
# 2 errors and warnings
# 3 some systems may open it to /dev/tty
# 4 used on the Kubota Titan
# 6 checking for... messages and results
# 5 compiler messages saved in config.log
if test "$silent" = yes; then
  exec 6>/dev/null
else
  exec 6>&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
  case "$ac_arg" in
  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c) ;;
  -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 these to C if already set.  These must not be set unconditionally
# because not all systems understand e.g. LANG=C (notably SCO).
# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
# Non-C LC_CTYPE values break the ctype check.
if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    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=c/sced.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 its parent.
  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
else
  ac_srcdir_defaulted=no
fi
if test ! -r $srcdir/$ac_unique_file; then
  if test "$ac_srcdir_defaulted" = yes; then
    { echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; }
  else
    { echo "configure: error: can not find sources in $srcdir" 1>&2; exit 1; }
  fi
fi
srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`

# Prefer explicitly selected file to automatically selected ones.
if test -z "$CONFIG_SITE"; then
  if test "x$prefix" != xNONE; then
    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
  else
    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
  fi
fi
for ac_site_file in $CONFIG_SITE; do
  if test -r "$ac_site_file"; then
    echo "loading site script $ac_site_file"
    . "$ac_site_file"
  fi
done

if test -r "$cache_file"; then
  echo "loading cache $cache_file"
  . $cache_file
else
  echo "creating cache $cache_file"
  > $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} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
  # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
  if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
    ac_n= ac_c='
' ac_t='	'
  else
    ac_n=-n ac_c= ac_t=
  fi
else
  ac_n= ac_c='\c' ac_t=
fi



# Check whether --with-elk-dirs or --without-elk-dirs was given.
if test "${with_elk_dirs+set}" = set; then
  withval="$with_elk_dirs"
  ELKDIR=$withval
fi

CFLAGS=-O
# 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>&6
echo "configure:537: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
  IFS="${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
      ac_cv_prog_CC="gcc"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
  echo "$ac_t""$CC" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

if test -z "$CC"; then
  # Extract the first word of "cc", so it can be a program name with args.
set dummy cc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:566: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  ac_prog_rejected=no
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
	continue
      fi
      ac_cv_prog_CC="cc"
      break
    fi
  done
  IFS="$ac_save_ifs"
if test $ac_prog_rejected = yes; then
  # We found a bogon in the path, so make sure we never use it.
  set dummy $ac_cv_prog_CC
  shift
  if test $# -gt 0; then
    # We chose a different compiler from the bogus one.
    # However, it has the same basename, so the bogon will be chosen
    # first if we set CC to just the basename; use the full file name.
    shift
    set dummy "$ac_dir/$ac_word" "$@"
    shift
    ac_cv_prog_CC="$@"
  fi
fi
fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
  echo "$ac_t""$CC" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
fi

echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
echo "configure:614: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5

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} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

cat > conftest.$ac_ext <<EOF
#line 624 "configure"
#include "confdefs.h"
main(){return(0);}
EOF
if { (eval echo configure:628: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  ac_cv_prog_cc_works=yes
  # If we can't run a trivial program, we are probably using a cross compiler.
  if (./conftest; exit) 2>/dev/null; then
    ac_cv_prog_cc_cross=no
  else
    ac_cv_prog_cc_cross=yes
  fi
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  ac_cv_prog_cc_works=no
fi
rm -fr conftest*

echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
if test $ac_cv_prog_cc_works = no; then
  { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
fi
echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
echo "configure:648: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
cross_compiling=$ac_cv_prog_cc_cross

echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
echo "configure:653: checking whether we are using GNU C" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.c <<EOF
#ifdef __GNUC__
  yes;
#endif
EOF
if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:662: \"$ac_try\") 1>&5; (eval $ac_try) 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>&6

if test $ac_cv_prog_gcc = yes; then
  GCC=yes
  ac_test_CFLAGS="${CFLAGS+set}"
  ac_save_CFLAGS="$CFLAGS"
  CFLAGS=
  echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
echo "configure:677: checking whether ${CC-cc} accepts -g" >&5
if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
  ac_cv_prog_cc_g=yes
else
  ac_cv_prog_cc_g=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
  if test "$ac_test_CFLAGS" = set; then
    CFLAGS="$ac_save_CFLAGS"
  elif test $ac_cv_prog_cc_g = yes; then
    CFLAGS="-g -O2"
  else
    CFLAGS="-O2"
  fi
else
  GCC=
  test "${CFLAGS+set}" = set || CFLAGS="-g"
fi

echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
echo "configure:705: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
  CPP=
fi
if test -z "$CPP"; then
if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and "${CC-cc}" will confuse make.
  CPP="${CC-cc} -E"
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp.
  cat > conftest.$ac_ext <<EOF
#line 720 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:726: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP="${CC-cc} -E -traditional-cpp"
  cat > conftest.$ac_ext <<EOF
#line 737 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:743: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
rm -f conftest*
  ac_cv_prog_CPP="$CPP"
fi
  CPP="$ac_cv_prog_CPP"
else
  ac_cv_prog_CPP="$CPP"
fi
echo "$ac_t""$CPP" 1>&6

# If we find X, set shell vars x_includes and x_libraries to the
# paths, otherwise set no_x=yes.
# Uses ac_ vars as temps to allow command line to override cache and checks.
# --without-x overrides everything else, but does not touch the cache.
echo $ac_n "checking for X""... $ac_c" 1>&6
echo "configure:770: checking for X" >&5

# Check whether --with-x or --without-x was given.
if test "${with_x+set}" = set; then
  withval="$with_x"
  :
fi

# $have_x is `yes', `no', `disabled', or empty when we do not yet know.
if test "x$with_x" = xno; then
  # The user explicitly disabled X.
  have_x=disabled
else
  if test "x$x_includes" != xNONE && test "x$x_libraries" != xNONE; then
    # Both variables are already set.
    have_x=yes
  else
if eval "test \"`echo '$''{'ac_cv_have_x'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  # One or both of the vars are not set, and there is no cached value.
ac_x_includes=NO ac_x_libraries=NO
rm -fr conftestdir
if mkdir conftestdir; then
  cd conftestdir
  # Make sure to not put "make" in the Imakefile rules, since we grep it out.
  cat > Imakefile <<'EOF'
acfindx:
	@echo 'ac_im_incroot="${INCROOT}"; ac_im_usrlibdir="${USRLIBDIR}"; ac_im_libdir="${LIBDIR}"'
EOF
  if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
    # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
    eval `${MAKE-make} acfindx 2>/dev/null | grep -v make`
    # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR.
    for ac_extension in a so sl; do
      if test ! -f $ac_im_usrlibdir/libX11.$ac_extension &&
        test -f $ac_im_libdir/libX11.$ac_extension; then
        ac_im_usrlibdir=$ac_im_libdir; break
      fi
    done
    # Screen out bogus values from the imake configuration.  They are
    # bogus both because they are the default anyway, and because
    # using them would break gcc on systems where it needs fixed includes.
    case "$ac_im_incroot" in
	/usr/include) ;;
	*) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes="$ac_im_incroot" ;;
    esac
    case "$ac_im_usrlibdir" in
	/usr/lib | /lib) ;;
	*) test -d "$ac_im_usrlibdir" && ac_x_libraries="$ac_im_usrlibdir" ;;
    esac
  fi
  cd ..
  rm -fr conftestdir
fi

if test "$ac_x_includes" = NO; then
  # Guess where to find include files, by looking for this one X11 .h file.
  test -z "$x_direct_test_include" && x_direct_test_include=X11/Intrinsic.h

  # First, try using that file with no special directory specified.
cat > conftest.$ac_ext <<EOF
#line 832 "configure"
#include "confdefs.h"
#include <$x_direct_test_include>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:837: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  # We can compile using X headers with no special include directory.
ac_x_includes=
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  # Look for the header file in a standard set of common directories.
# Check X11 before X11Rn because it is often a symlink to the current release.
  for ac_dir in               \
    /usr/X11/include          \
    /usr/X11R6/include        \
    /usr/X11R5/include        \
    /usr/X11R4/include        \
                              \
    /usr/include/X11          \
    /usr/include/X11R6        \
    /usr/include/X11R5        \
    /usr/include/X11R4        \
                              \
    /usr/local/X11/include    \
    /usr/local/X11R6/include  \
    /usr/local/X11R5/include  \
    /usr/local/X11R4/include  \
                              \
    /usr/local/include/X11    \
    /usr/local/include/X11R6  \
    /usr/local/include/X11R5  \
    /usr/local/include/X11R4  \
                              \
    /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
      ac_x_includes=$ac_dir
      break
    fi
  done
fi
rm -f conftest*
fi # $ac_x_includes = NO

if test "$ac_x_libraries" = NO; then
  # Check for the libraries.

  test -z "$x_direct_test_library" && x_direct_test_library=Xt
  test -z "$x_direct_test_function" && x_direct_test_function=XtMalloc

  # See if we find them without any special options.
  # Don't add to $LIBS permanently.
  ac_save_LIBS="$LIBS"
  LIBS="-l$x_direct_test_library $LIBS"
cat > conftest.$ac_ext <<EOF
#line 906 "configure"
#include "confdefs.h"

int main() {
${x_direct_test_function}()
; return 0; }
EOF
if { (eval echo configure:913: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  LIBS="$ac_save_LIBS"
# We can link X programs with no special library path.
ac_x_libraries=
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  LIBS="$ac_save_LIBS"
# First see if replacing the include by lib works.
# Check X11 before X11Rn because it is often a symlink to the current release.
for ac_dir in `echo "$ac_x_includes" | sed s/include/lib/` \
    /usr/X11/lib          \
    /usr/X11R6/lib        \
    /usr/X11R5/lib        \
    /usr/X11R4/lib        \
                          \
    /usr/lib/X11          \
    /usr/lib/X11R6        \
    /usr/lib/X11R5        \
    /usr/lib/X11R4        \
                          \
    /usr/local/X11/lib    \
    /usr/local/X11R6/lib  \
    /usr/local/X11R5/lib  \
    /usr/local/X11R4/lib  \
                          \
    /usr/local/lib/X11    \
    /usr/local/lib/X11R6  \
    /usr/local/lib/X11R5  \
    /usr/local/lib/X11R4  \
                          \
    /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  \
    /lib/usr/lib/X11	  \
                          \
    /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}.$ac_extension; then
      ac_x_libraries=$ac_dir
      break 2
    fi
  done
done
fi
rm -f conftest*
fi # $ac_x_libraries = NO

if test "$ac_x_includes" = NO || test "$ac_x_libraries" = NO; then
  # Didn't find X anywhere.  Cache the known absence of X.
  ac_cv_have_x="have_x=no"
else
  # Record where we found X for the cache.
  ac_cv_have_x="have_x=yes \
	        ac_x_includes=$ac_x_includes ac_x_libraries=$ac_x_libraries"
fi
fi
  fi
  eval "$ac_cv_have_x"
fi # $with_x != no

if test "$have_x" != yes; then
  echo "$ac_t""$have_x" 1>&6
  no_x=yes
else
  # If each of the values was on the command line, it overrides each guess.
  test "x$x_includes" = xNONE && x_includes=$ac_x_includes
  test "x$x_libraries" = xNONE && x_libraries=$ac_x_libraries
  # Update the cache value to reflect the command line values.
  ac_cv_have_x="have_x=yes \
		ac_x_includes=$x_includes ac_x_libraries=$x_libraries"
  echo "$ac_t""libraries $x_libraries, headers $x_includes" 1>&6
fi

if test "$no_x" = yes; then
  # Not all programs may use this symbol, but it does not hurt to define it.
  cat >> confdefs.h <<\EOF
#define X_DISPLAY_MISSING 1
EOF

  X_CFLAGS= X_PRE_LIBS= X_LIBS= X_EXTRA_LIBS=
else
  if test -n "$x_includes"; then
    X_CFLAGS="$X_CFLAGS -I$x_includes"
  fi

  # 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"
    # For Solaris; some versions of Sun CC require a space after -R and
    # others require no space.  Words are not sufficient . . . .
    case "`(uname -sr) 2>/dev/null`" in
    "SunOS 5"*)
      echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
echo "configure:1019: checking whether -R must be followed by a space" >&5
      ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
      cat > conftest.$ac_ext <<EOF
#line 1022 "configure"
#include "confdefs.h"

int main() {

; return 0; }
EOF
if { (eval echo configure:1029: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_R_nospace=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_R_nospace=no
fi
rm -f conftest*
      if test $ac_R_nospace = yes; then
	echo "$ac_t""no" 1>&6
	X_LIBS="$X_LIBS -R$x_libraries"
      else
	LIBS="$ac_xsave_LIBS -R $x_libraries"
	cat > conftest.$ac_ext <<EOF
#line 1045 "configure"
#include "confdefs.h"

int main() {

; return 0; }
EOF
if { (eval echo configure:1052: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_R_space=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_R_space=no
fi
rm -f conftest*
	if test $ac_R_space = yes; then
	  echo "$ac_t""yes" 1>&6
	  X_LIBS="$X_LIBS -R $x_libraries"
	else
	  echo "$ac_t""neither works" 1>&6
	fi
      fi
      LIBS="$ac_xsave_LIBS"
    esac
  fi

  # Check for system-dependent libraries X programs must link with.
  # Do this before checking for the system-independent R6 libraries
  # (-lICE), since we may need -lsocket or whatever for X linking.

  if test "$ISC" = yes; then
    X_EXTRA_LIBS="$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 says
    # the Alpha needs dnet_stub (dnet does not exist).
    echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
echo "configure:1084: checking for dnet_ntoa in -ldnet" >&5
ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldnet  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1092 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char dnet_ntoa();

int main() {
dnet_ntoa()
; return 0; }
EOF
if { (eval echo configure:1103: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"
else
  echo "$ac_t""no" 1>&6
fi

    if test $ac_cv_lib_dnet_dnet_ntoa = no; then
      echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
echo "configure:1125: checking for dnet_ntoa in -ldnet_stub" >&5
ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldnet_stub  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1133 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char dnet_ntoa();

int main() {
dnet_ntoa()
; return 0; }
EOF
if { (eval echo configure:1144: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"
else
  echo "$ac_t""no" 1>&6
fi

    fi

    # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
    # to get the SysV transport functions.
    # chad@anasazi.com says the Pyramis MIS-ES running DC/OSx (SVR4)
    # needs -lnsl.
    # The nsl library prevents programs from opening the X display
    # on Irix 5.2, according to dickey@clark.net.
    echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
echo "configure:1173: checking for gethostbyname" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1178 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char gethostbyname(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char gethostbyname();

int main() {

/* 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_gethostbyname) || defined (__stub___gethostbyname)
choke me
#else
gethostbyname();
#endif

; return 0; }
EOF
if { (eval echo configure:1201: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
fi

    if test $ac_cv_func_gethostbyname = no; then
      echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
echo "configure:1222: checking for gethostbyname in -lnsl" >&5
ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lnsl  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1230 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char gethostbyname();

int main() {
gethostbyname()
; return 0; }
EOF
if { (eval echo configure:1241: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"
else
  echo "$ac_t""no" 1>&6
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 5.2 (and is not necessary
    # on later versions), says simon@lia.di.epfl.ch: it contains
    # gethostby* variants that don't use the nameserver (or something).
    # -lsocket must be given before -lnsl if both are needed.
    # We assume that if connect needs -lnsl, so does gethostbyname.
    echo $ac_n "checking for connect""... $ac_c" 1>&6
echo "configure:1271: checking for connect" >&5
if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1276 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char connect(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char connect();

int main() {

/* 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_connect) || defined (__stub___connect)
choke me
#else
connect();
#endif

; return 0; }
EOF
if { (eval echo configure:1299: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_func_connect=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_connect=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'connect`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
fi

    if test $ac_cv_func_connect = no; then
      echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
echo "configure:1320: checking for connect in -lsocket" >&5
ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1328 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char connect();

int main() {
connect()
; return 0; }
EOF
if { (eval echo configure:1339: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS"
else
  echo "$ac_t""no" 1>&6
fi

    fi

    # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
    echo $ac_n "checking for remove""... $ac_c" 1>&6
echo "configure:1363: checking for remove" >&5
if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1368 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char remove(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char remove();

int main() {

/* 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_remove) || defined (__stub___remove)
choke me
#else
remove();
#endif

; return 0; }
EOF
if { (eval echo configure:1391: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_func_remove=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_remove=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'remove`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
fi

    if test $ac_cv_func_remove = no; then
      echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
echo "configure:1412: checking for remove in -lposix" >&5
ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lposix  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1420 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char remove();

int main() {
remove()
; return 0; }
EOF
if { (eval echo configure:1431: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix"
else
  echo "$ac_t""no" 1>&6
fi

    fi

    # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
    echo $ac_n "checking for shmat""... $ac_c" 1>&6
echo "configure:1455: checking for shmat" >&5
if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1460 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char shmat(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char shmat();

int main() {

/* 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_shmat) || defined (__stub___shmat)
choke me
#else
shmat();
#endif

; return 0; }
EOF
if { (eval echo configure:1483: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_func_shmat=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_shmat=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'shmat`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
fi

    if test $ac_cv_func_shmat = no; then
      echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
echo "configure:1504: checking for shmat in -lipc" >&5
ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lipc  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1512 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char shmat();

int main() {
shmat()
; return 0; }
EOF
if { (eval echo configure:1523: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc"
else
  echo "$ac_t""no" 1>&6
fi

    fi
  fi

  # Check for libraries that X11R6 Xt/Xaw programs need.
  ac_save_LDFLAGS="$LDFLAGS"
  test -n "$x_libraries" && LDFLAGS="$LDFLAGS -L$x_libraries"
  # SM needs ICE to (dynamically) link under SunOS 4.x (so we have to
  # check for ICE first), but we must link in the order -lSM -lICE or
  # we get undefined symbols.  So assume we have SM if we have ICE.
  # These have to be linked with before -lX11, unlike the other
  # libraries we check for below, so use a different variable.
  #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
  echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
echo "configure:1556: checking for IceConnectionNumber in -lICE" >&5
ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lICE  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1564 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char IceConnectionNumber();

int main() {
IceConnectionNumber()
; return 0; }
EOF
if { (eval echo configure:1575: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"
else
  echo "$ac_t""no" 1>&6
fi

  LDFLAGS="$ac_save_LDFLAGS"

fi

# Extract the first word of "flex", so it can be a program name with args.
set dummy flex; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1602: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$LEX"; then
  ac_cv_prog_LEX="$LEX" # Let the user override the test.
else
  IFS="${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
      ac_cv_prog_LEX="flex"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_LEX" && ac_cv_prog_LEX="lex"
fi
fi
LEX="$ac_cv_prog_LEX"
if test -n "$LEX"; then
  echo "$ac_t""$LEX" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

if test -z "$LEXLIB"
then
  case "$LEX" in
  flex*) ac_lib=fl ;;
  *) ac_lib=l ;;
  esac
  echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6
echo "configure:1635: checking for yywrap in -l$ac_lib" >&5
ac_lib_var=`echo $ac_lib'_'yywrap | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-l$ac_lib  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1643 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char yywrap();

int main() {
yywrap()
; return 0; }
EOF
if { (eval echo configure:1654: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  LEXLIB="-l$ac_lib"
else
  echo "$ac_t""no" 1>&6
fi

fi

# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1679: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$RANLIB"; then
  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
else
  IFS="${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
      ac_cv_prog_RANLIB="ranlib"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":"
fi
fi
RANLIB="$ac_cv_prog_RANLIB"
if test -n "$RANLIB"; then
  echo "$ac_t""$RANLIB" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

ac_aux_dir=
for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
  if test -f $ac_dir/install-sh; then
    ac_aux_dir=$ac_dir
    ac_install_sh="$ac_aux_dir/install-sh -c"
    break
  elif test -f $ac_dir/install.sh; then
    ac_aux_dir=$ac_dir
    ac_install_sh="$ac_aux_dir/install.sh -c"
    break
  fi
done
if test -z "$ac_aux_dir"; then
  { echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; }
fi
ac_config_guess=$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""... $ac_c" 1>&6
echo "configure:1735: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    # Account for people who put trailing slashes in PATH elements.
    case "$ac_dir/" in
    /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
    *)
      # OSF1 and SCO ODT 3.0 have their own names for install.
      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"

fi
  if test "${ac_cv_path_install+set}" = set; then
    INSTALL="$ac_cv_path_install"
  else
    # As a last resort, use the slow shell script.  We don't cache a
    # path for INSTALL within a source directory, because that will
    # break other packages using the cache if that directory is
    # removed, or if the path is relative.
    INSTALL="$ac_install_sh"
  fi
fi
echo "$ac_t""$INSTALL" 1>&6

# 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'

# Extract the first word of "gzip", so it can be a program name with args.
set dummy gzip; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1787: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_HAVE_GZIP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$HAVE_GZIP"; then
  ac_cv_prog_HAVE_GZIP="$HAVE_GZIP" # Let the user override the test.
else
  IFS="${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
      ac_cv_prog_HAVE_GZIP="1"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_HAVE_GZIP" && ac_cv_prog_HAVE_GZIP="0"
fi
fi
HAVE_GZIP="$ac_cv_prog_HAVE_GZIP"
if test -n "$HAVE_GZIP"; then
  echo "$ac_t""$HAVE_GZIP" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

ac_header_dirent=no
for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
echo "configure:1818: checking for $ac_hdr that defines DIR" >&5
if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1823 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_hdr>
int main() {
DIR *dirp = 0;
; return 0; }
EOF
if { (eval echo configure:1831: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  eval "ac_cv_header_dirent_$ac_safe=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_dirent_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_dirent_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 ac_header_dirent=$ac_hdr; break
else
  echo "$ac_t""no" 1>&6
fi
done
# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
if test $ac_header_dirent = dirent.h; then
echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
echo "configure:1856: checking for opendir in -ldir" >&5
ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldir  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1864 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char opendir();

int main() {
opendir()
; return 0; }
EOF
if { (eval echo configure:1875: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  LIBS="$LIBS -ldir"
else
  echo "$ac_t""no" 1>&6
fi

else
echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
echo "configure:1897: checking for opendir in -lx" >&5
ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lx  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1905 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char opendir();

int main() {
opendir()
; return 0; }
EOF
if { (eval echo configure:1916: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  LIBS="$LIBS -lx"
else
  echo "$ac_t""no" 1>&6
fi

fi

echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
echo "configure:1939: checking for sys/wait.h that is POSIX.1 compatible" >&5
if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1944 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/wait.h>
#ifndef WEXITSTATUS
#define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
#endif
#ifndef WIFEXITED
#define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
#endif
int main() {
int s;
wait (&s);
s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
; return 0; }
EOF
if { (eval echo configure:1960: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_header_sys_wait_h=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_sys_wait_h=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_header_sys_wait_h" 1>&6
if test $ac_cv_header_sys_wait_h = yes; then
  cat >> confdefs.h <<\EOF
#define HAVE_SYS_WAIT_H 1
EOF

fi

for ac_hdr in string.h strings.h malloc.h unistd.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1984: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1989 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1994: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done

echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
echo "configure:2021: checking return type of signal handlers" >&5
if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2026 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif
#ifdef __cplusplus
extern "C" void (*signal (int, void (*)(int)))(int);
#else
void (*signal ()) ();
#endif

int main() {
int i;
; return 0; }
EOF
if { (eval echo configure:2043: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_type_signal=void
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_type_signal=int
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_type_signal" 1>&6
cat >> confdefs.h <<EOF
#define RETSIGTYPE $ac_cv_type_signal
EOF


for ac_func in getcwd
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:2064: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2069 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char $ac_func();

int main() {

/* 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 echo configure:2092: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
  cat >> confdefs.h <<EOF
#define $ac_tr_func 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done

for ac_func in strerror
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:2119: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2124 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char $ac_func();

int main() {

/* 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 echo configure:2147: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
  cat >> confdefs.h <<EOF
#define $ac_tr_func 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done

echo $ac_n "checking size of short""... $ac_c" 1>&6
echo "configure:2172: checking size of short" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
  cat > conftest.$ac_ext <<EOF
#line 2180 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(short));
  exit(0);
}
EOF
if { (eval echo configure:2191: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
  ac_cv_sizeof_short=`cat conftestval`
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_sizeof_short=0
fi
rm -fr conftest*
fi

fi
echo "$ac_t""$ac_cv_sizeof_short" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_SHORT $ac_cv_sizeof_short
EOF


echo $ac_n "checking for working const""... $ac_c" 1>&6
echo "configure:2211: checking for working const" >&5
if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2216 "configure"
#include "confdefs.h"

int main() {

/* 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;
/* NEC SVR4.0.2 mips cc rejects this.  */
struct point {int x, y;};
static struct point const zero = {0,0};
/* 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;
}

; return 0; }
EOF
if { (eval echo configure:2265: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_c_const=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_c_const=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_c_const" 1>&6
if test $ac_cv_c_const = no; then
  cat >> confdefs.h <<\EOF
#define const 
EOF

fi


# Set usage of FLEX
USE_FLEX=0
if test "$LEX" = "flex" ; then
	USE_FLEX=1
fi

#
# Add support to check if ELK is installed.
# We first check to see if the environment variable
# ELKDIR is defined. This should contain the directory
# where ELK is installed, otherwise we look in
# /usr/elk followed by /usr/local/elk.
#
echo $ac_n "checking for ELK (scheme interpreter) support""... $ac_c" 1>&6
echo "configure:2300: checking for ELK (scheme interpreter) support" >&5
if eval "test \"`echo '$''{'sc_cv_prog_ELK'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test ! -z "$ELKDIR"; then
	if test -d $ELKDIR; then
		elkdir=$ELKDIR;
	fi
fi
if test -z "$elkdir" -a -d /usr/local/elk; then
	elkdir=/usr/local/elk;
fi
if test ! -z "$elkdir"; then
	if test -f $elkdir/lib/module.o; then
		sc_cv_prog_ELK=$elkdir
	else
		sc_cv_prog_ELK=no
	fi
else
	sc_cv_prog_ELK=no
fi
fi

echo "$ac_t""$sc_cv_prog_ELK" 1>&6

if test ! "$sc_cv_prog_ELK" = "no"; then
 echo
 echo The Elk scheme extension language is present on your system.
 echo Sced may be built with a scheme interpreter. This effectively
 echo makes some aspects of Sced, such as the viewing parameters and
 echo object creation, programmable. It is one way to achieve animation
 echo support with Sced.
 echo
 echo $ac_n Do you want the elk interface for Sced included [y]?" $ac_c"
 cached=
 if eval "test \"`echo '$''{'sc_cv_use_ELK'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
   elk_answer=
   read elk_answer
   if test ! -z "$elk_answer"; then
     if test ! \( "$elk_answer" = "y" -o "$elk_answer" = "Y" \) ; then
       sc_cv_use_ELK=no
     else
       sc_cv_use_ELK=yes
     fi
   fi
fi

 if test -z "$cached"; then
  echo "$ac_t""$sc_cv_use_ELK" 1>&6
 fi
 if test "$sc_cv_use_ELK" = "no"; then
  use_elk_val=0
  ELK_LIBS=""
  ELK_INCLUDES=""
  USE_ELK=NO
 else
  use_elk_val=1
  ELK_LIBS=$sc_cv_prog_ELK/lib/module.o
  ELK_INCLUDES=-I$sc_cv_prog_ELK/include
  USE_ELK=YES
 fi
else
  use_elk_val=0
  ELK_LIBS=""
  ELK_INCLUDES=""
  USE_ELK=NO
fi

echo
echo The next section asks which renderers you wish Sced to
echo support \(export to\). Answer y or n. The default is shown
echo in square brackets, like this [y]. Hit return to enter your
echo selection.
echo
echo If support for a renderer is requested, you will be prompted
echo for a path name. Enter the full pathname, starting at /.
echo Further, you will be prompted for preview options for that
echo renderer. These options are only used when previewing from
echo within Sced.
echo
echo Note that both the path and preview options can be changed
echo through the .scenerc file, or another defaults file. Renderer
echo support options cannot be changed without rerunning this
echo script and recompiling. If you don\'t have a particular renderer
echo installed, but might one day, include support for it but
echo just hit return for the path and options.
echo
echo Here goes...
echo


echo $ac_n POVray support [y]?" $ac_c"
cached=
if eval "test \"`echo '$''{'sc_cv_sup_povray'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
  sc_cv_sup_povray=yes
  answer=
  read answer
  if test ! -z "$answer"; then
    if test ! \( "$answer" = "y" -o "$answer" = "Y" \) ; then
      sc_cv_sup_povray=no
    else
      sc_cv_sup_povray=yes
    fi
  fi
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_sup_povray" 1>&6
  fi

if test ! "$sc_cv_sup_povray" = "no"; then
  echo $ac_n POVray path?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_prog_povray'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
    sc_cv_prog_povray=
    read sc_cv_prog_povray
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_prog_povray" 1>&6
  fi
  echo $ac_n POVray arguments?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_opt_povray'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
    sc_cv_opt_povray=
    read sc_cv_opt_povray
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_opt_povray" 1>&6
  fi
  povray_support=1
  POVRAY_SRC=\$\(C_DIR\)/povray.c
  POVRAY_OBJ=\$\(C_DIR\)/povray.o
else
  sc_cv_prog_povray=
  sc_cv_opt_povray=
  povray_support=0
  POVRAY_SRC=
  POVRAY_OBJ=
fi

echo

echo $ac_n Radiance support [y]?" $ac_c"
cached=
if eval "test \"`echo '$''{'sc_cv_sup_radiance'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
  sc_cv_sup_radiance=yes
  answer=
  read answer
  if test ! -z "$answer"; then
    if test ! \( "$answer" = "y" -o "$answer" = "Y" \) ; then
      sc_cv_sup_radiance=no
    else
      sc_cv_sup_radiance=yes
    fi
  fi
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_sup_radiance" 1>&6
  fi

if test ! "$sc_cv_sup_radiance" = "no"; then
  echo $ac_n Radiance path?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_prog_radiance'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
    sc_cv_prog_radiance=
    read sc_cv_prog_radiance
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_prog_radiance" 1>&6
  fi
  echo $ac_n Radiance arguments?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_opt_radiance'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
    sc_cv_opt_radiance=
    read sc_cv_opt_radiance
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_opt_radiance" 1>&6
  fi
  radiance_support=1
  RADIANCE_SRC=\$\(C_DIR\)/radiance.c
  RADIANCE_OBJ=\$\(C_DIR\)/radiance.o
else
  sc_cv_prog_radiance=
  sc_cv_opt_radiance=
  radiance_support=0
  RADIANCE_SRC=
  RADIANCE_OBJ=
fi

echo

echo $ac_n Rayshade support [y]?" $ac_c"
cached=
if eval "test \"`echo '$''{'sc_cv_sup_rayshade'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
  answer=
  sc_cv_sup_rayshade=yes
  read answer
  if test ! -z "$answer"; then
    if test ! \( "$answer" = "y" -o "$answer" = "Y" \) ; then
      sc_cv_sup_rayshade=no
    else
      sc_cv_sup_rayshade=yes
    fi
  fi
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_sup_rayshade" 1>&6
  fi

if test ! "$sc_cv_sup_rayshade" = "no"; then
  echo $ac_n Rayshade path?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_prog_rayshade'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
    sc_cv_prog_rayshade=
    read sc_cv_prog_rayshade
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_prog_rayshade" 1>&6
  fi
  echo $ac_n Rayshade arguments?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_opt_rayshade'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
    sc_cv_opt_rayshade=
    read sc_cv_opt_rayshade
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_opt_rayshade" 1>&6
  fi
  rayshade_support=1
  RAYSHADE_SRC=\$\(C_DIR\)/rayshade.c
  RAYSHADE_OBJ=\$\(C_DIR\)/rayshade.o
else
  sc_cv_prog_rayshade=
  sc_cv_opt_rayshade=
  rayshade_support=0
  RAYSHADE_SRC=
  RAYSHADE_OBJ=
fi

echo

echo $ac_n Renderman support [y]?" $ac_c"
cached=
if eval "test \"`echo '$''{'sc_cv_sup_renderman'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cached=n
  sc_cv_sup_renderman=yes
  answer=
  read answer
  if test ! -z "$answer"; then
    if test ! \( "$answer" = "y" -o "$answer" = "Y" \) ; then
      sc_cv_sup_renderman=no
    else
      sc_cv_sup_renderman=yes
    fi
  fi
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_sup_renderman" 1>&6
  fi

if test ! "$sc_cv_sup_renderman" = "no"; then
  echo $ac_n Renderman path?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_prog_renderman'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  sc_cv_prog_renderman=
    read sc_cv_prog_renderman
    cached=n
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_prog_renderman" 1>&6
  fi
  echo $ac_n Renderman arguments?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_opt_renderman'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  sc_cv_opt_renderman=
    read sc_cv_opt_renderman
    cached=n
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_opt_renderman" 1>&6
  fi
  renderman_support=1
  RENDERMAN_SRC=\$\(C_DIR\)/renderman.c
  RENDERMAN_OBJ=\$\(C_DIR\)/renderman.o
else
  sc_cv_prog_renderman=
  sc_cv_opt_renderman=
  renderman_support=0
  RENDERMAN_SRC=
  RENDERMAN_OBJ=
fi

echo

echo $ac_n VRML support [y]?" $ac_c"
cached=
if eval "test \"`echo '$''{'sc_cv_sup_vrml'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  sc_cv_sup_vrml=yes
  answer=
  read answer
  cached=n
  if test ! -z "$answer"; then
    if test ! \( "$answer" = "y" -o "$answer" = "Y" \) ; then
      sc_cv_sup_vrml=no
    else
      sc_cv_sup_vrml=yes
    fi
  fi
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_sup_vrml" 1>&6
  fi

if test ! "$sc_cv_sup_vrml" = "no"; then
  echo $ac_n VRML path?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_prog_vrml'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  sc_cv_prog_vrml=
    read sc_cv_prog_vrml
    cached=n
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_prog_vrml" 1>&6
  fi
  echo $ac_n VRML arguments?" $ac_c"
  cached=
  if eval "test \"`echo '$''{'sc_cv_opt_vrml'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  sc_cv_opt_vrml=
    read sc_cv_opt_vrml
    cached=n
  
fi

  if test -z "$cached"; then
    echo "$ac_t""$sc_cv_opt_vrml" 1>&6
  fi
  vrml_support=1
  VRML_SRC=\$\(C_DIR\)/vrml.c
  VRML_OBJ=\$\(C_DIR\)/vrml.o
else
  sc_cv_prog_vrml=
  sc_cv_opt_vrml=
  vrml_support=0
  VRML_SRC=
  VRML_OBJ=
fi

echo

#
# Add support for previous versions, if required.
#
echo $ac_n Do you want support for old versions of Sced [y]?" $ac_c"
cached=
if eval "test \"`echo '$''{'sc_cv_oldvers'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  sc_cv_oldvers=yes
  vers_answer=
  read vers_answer
  if test ! -z "$vers_answer"; then
    if test ! \( "$vers_answer" = "y" -o "$vers_answer" = "Y" \) ; then
      sc_cv_oldvers=no
    else
      sc_cv_oldvers=yes
    fi
  fi
  cached=n

fi

if test -z "$cached"; then
  echo "$ac_t""$sc_cv_oldvers" 1>&6
fi
  

if test "$sc_cv_oldvers" = "yes"; then
 old_vers_support=1
 PREV_SRC=\$\(C_DIR\)/load_old.c
 PREV_OBJ=\$\(C_DIR\)/load_old.o
else
 old_vers_support=0
 PREV_SRC=
 PREV_OBJ=
fi


OTHER_FLAGS=



















cat >> confdefs.h <<EOF
#define FLEX $USE_FLEX
EOF

cat >> confdefs.h <<EOF
#define POVRAY_SUPPORT $povray_support
EOF

cat >> confdefs.h <<EOF
#define POVRAY_PATH "$sc_cv_prog_povray"
EOF

cat >> confdefs.h <<EOF
#define POVRAY_OPTIONS "$sc_cv_opt_povray"
EOF

cat >> confdefs.h <<EOF
#define RADIANCE_SUPPORT $radiance_support
EOF

cat >> confdefs.h <<EOF
#define RADIANCE_PATH "$sc_cv_prog_radiance"
EOF

cat >> confdefs.h <<EOF
#define RADIANCE_OPTIONS "$sc_cv_opt_radiance"
EOF

cat >> confdefs.h <<EOF
#define RAYSHADE_SUPPORT $rayshade_support
EOF

cat >> confdefs.h <<EOF
#define RAYSHADE_PATH "$sc_cv_prog_rayshade"
EOF

cat >> confdefs.h <<EOF
#define RAYSHADE_OPTIONS "$sc_cv_opt_rayshade"
EOF

cat >> confdefs.h <<EOF
#define RENDERMAN_SUPPORT $renderman_support
EOF

cat >> confdefs.h <<EOF
#define RENDERMAN_PATH "$sc_cv_prog_renderman"
EOF

cat >> confdefs.h <<EOF
#define RENDERMAN_OPTIONS "$sc_cv_opt_renderman"
EOF

cat >> confdefs.h <<EOF
#define VRML_SUPPORT $vrml_support
EOF

cat >> confdefs.h <<EOF
#define VRML_PATH "$sc_cv_prog_vrml"
EOF

cat >> confdefs.h <<EOF
#define VRML_OPTIONS "$sc_cv_opt_vrml"
EOF

cat >> confdefs.h <<EOF
#define ELK_SUPPORT $use_elk_val
EOF

cat >> confdefs.h <<EOF
#define PREV_SUPPORT $old_vers_support
EOF

cat >> confdefs.h <<EOF
#define HAVE_GZIP $HAVE_GZIP
EOF

trap '' 1 2 15
cat > confcache <<\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
# The following way of writing the cache mishandles newlines in values,
# but we know of no workaround that is simple, portable, and efficient.
# So, don't put newlines in cache variables' values.
# Ultrix sh set writes to stderr and can't be redirected directly,
# and sets the high bit in the cache file unless we assign to the vars.
(set) 2>&1 |
  case `(ac_space=' '; set) 2>&1` in
  *ac_space=\ *)
    # `set' does not quote correctly, so add quotes (double-quote substitution
    # turns \\\\ into \\, and sed turns \\ into \).
    sed -n \
      -e "s/'/'\\\\''/g" \
      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
    ;;
  *)
    # `set' quotes correctly as required by POSIX, so do not add quotes.
    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
    ;;
  esac >> confcache
if cmp -s $cache_file confcache; then
  :
else
  if test -w $cache_file; then
    echo "updating cache $cache_file"
    cat confcache > $cache_file
  else
    echo "not updating unwritable cache $cache_file"
  fi
fi
rm -f confcache

trap 'rm -fr conftest* confdefs* core core.* *.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 2.12"
    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 `echo "Makefile h/config.h" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
EOF
cat >> $CONFIG_STATUS <<EOF

# 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%@bindir@%$bindir%g
s%@sbindir@%$sbindir%g
s%@libexecdir@%$libexecdir%g
s%@datadir@%$datadir%g
s%@sysconfdir@%$sysconfdir%g
s%@sharedstatedir@%$sharedstatedir%g
s%@localstatedir@%$localstatedir%g
s%@libdir@%$libdir%g
s%@includedir@%$includedir%g
s%@oldincludedir@%$oldincludedir%g
s%@infodir@%$infodir%g
s%@mandir@%$mandir%g
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@X_CFLAGS@%$X_CFLAGS%g
s%@X_PRE_LIBS@%$X_PRE_LIBS%g
s%@X_LIBS@%$X_LIBS%g
s%@X_EXTRA_LIBS@%$X_EXTRA_LIBS%g
s%@LEX@%$LEX%g
s%@LEXLIB@%$LEXLIB%g
s%@RANLIB@%$RANLIB%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@HAVE_GZIP@%$HAVE_GZIP%g
s%@OTHER_FLAGS@%$OTHER_FLAGS%g
s%@ELK_LIBS@%$ELK_LIBS%g
s%@ELK_INCLUDES@%$ELK_INCLUDES%g
s%@USE_ELK@%$USE_ELK%g
s%@POVRAY_SRC@%$POVRAY_SRC%g
s%@POVRAY_OBJ@%$POVRAY_OBJ%g
s%@RADIANCE_SRC@%$RADIANCE_SRC%g
s%@RADIANCE_OBJ@%$RADIANCE_OBJ%g
s%@RAYSHADE_SRC@%$RAYSHADE_SRC%g
s%@RAYSHADE_OBJ@%$RAYSHADE_OBJ%g
s%@RENDERMAN_SRC@%$RENDERMAN_SRC%g
s%@RENDERMAN_OBJ@%$RENDERMAN_OBJ%g
s%@VRML_SRC@%$VRML_SRC%g
s%@VRML_OBJ@%$VRML_OBJ%g
s%@HEADER_SRC@%$HEADER_SRC%g
s%@HEADER_OBJ@%$HEADER_OBJ%g
s%@PREV_SRC@%$PREV_SRC%g
s%@PREV_OBJ@%$PREV_OBJ%g

CEOF
EOF

cat >> $CONFIG_STATUS <<\EOF

# Split the substitutions into bite-sized pieces for seds with
# small command number limits, like on Digital OSF/1 and HP-UX.
ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
ac_file=1 # Number of current file.
ac_beg=1 # First line for current file.
ac_end=$ac_max_sed_cmds # Line after last line for current file.
ac_more_lines=:
ac_sed_cmds=""
while $ac_more_lines; do
  if test $ac_beg -gt 1; then
    sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
  else
    sed "${ac_end}q" conftest.subs > conftest.s$ac_file
  fi
  if test ! -s conftest.s$ac_file; then
    ac_more_lines=false
    rm -f conftest.s$ac_file
  else
    if test -z "$ac_sed_cmds"; then
      ac_sed_cmds="sed -f conftest.s$ac_file"
    else
      ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
    fi
    ac_file=`expr $ac_file + 1`
    ac_beg=$ac_end
    ac_end=`expr $ac_end + $ac_max_sed_cmds`
  fi
done
if test -z "$ac_sed_cmds"; then
  ac_sed_cmds=cat
fi
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[: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 a relative srcdir, top_srcdir, and INSTALL 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="/`echo $ac_dir|sed 's%^\./%%'`"
    # 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

  ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
  sed -e "$ac_comsub
s%@configure_input@%$configure_input%g
s%@srcdir@%$srcdir%g
s%@top_srcdir@%$top_srcdir%g
s%@INSTALL@%$INSTALL%g
" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
fi; done
rm -f conftest.s*

# 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'

if test "${CONFIG_HEADERS+set}" != set; then
EOF
cat >> $CONFIG_STATUS <<EOF
  CONFIG_HEADERS="h/config.h"
EOF
cat >> $CONFIG_STATUS <<\EOF
fi
for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then
  # Support "outfile[:infile[: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
  ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
  cat $ac_file_inputs > 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.

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
    # 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"
    fi
    rm -f $ac_file
    mv conftest.h $ac_file
  fi
fi; done

EOF
cat >> $CONFIG_STATUS <<EOF

EOF
cat >> $CONFIG_STATUS <<\EOF

exit 0
EOF
chmod +x $CONFIG_STATUS
rm -fr confdefs* $ac_clean_files
test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1


