#!/bin/sh

# From configure.in Revision: 1.92 

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

# Defaults:
ac_help=
ac_default_prefix=/usr/local
# Any additions from configure.in:
ac_help="$ac_help
  --with-f2c              use f2c even if Fortran compiler is available"
ac_help="$ac_help
  --enable-dld            use DLD for dynamic linking (not all systems)"
ac_help="$ac_help
  --enable-lite-kernel    compile smaller kernel (requires DLD)"
ac_default_prefix=/usr/local

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

# Initialize some other variables.
subdirs=

ac_prev=
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

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

  -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
                          [$ac_default_prefix]
  --exec-prefix=PREFIX    install architecture-dependent files in PREFIX
                          [same as prefix]
  --srcdir=DIR            find the sources in DIR [configure dir or ..]
  --program-prefix=PREFIX prepend PREFIX to installed program names
  --program-suffix=SUFFIX append SUFFIX to installed program names
  --program-transform-name=PROGRAM run sed PROGRAM on installed program names
Host type:
  --build=BUILD           configure for building on BUILD [BUILD=HOST]
  --host=HOST             configure for HOST [guessed]
  --target=TARGET         configure for TARGET [TARGET=HOST]
Features and packages:
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
  --x-includes=DIR        X include files are in DIR
  --x-libraries=DIR       X library files are in DIR
--enable and --with options recognized:$ac_help
EOF
    exit 0 ;;

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

  -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 ;;

  -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" ;;

  -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 2.1"
    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 $ac_clean_files; exit 1' 1 2 15

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

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

# Strip out --no-create and --no-recursion so they do not pile up.
# Also quote any args containing shell metacharacters.
ac_configure_args=
for ac_arg
do
  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 LANG and LC_ALL to C if already set.
# These must not be set unconditionally because not all systems understand
# e.g. LANG=C (notably SCO).
if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi

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

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

# 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} $CFLAGS $CPPFLAGS conftest.$ac_ext -c 1>&5 2>&5'
ac_link='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext -o conftest $LIBS 1>&5 2>&5'

if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
  # 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




cat >> confdefs.h <<\EOF
#define OCTAVE_SOURCE 1
EOF


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.


# Make sure we can run config.sub.
if $ac_config_sub sun4 >/dev/null 2>&1; then :
else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
fi

echo $ac_n "checking host system type""... $ac_c" 1>&4

host_alias=$host
case "$host_alias" in
NONE)
  case $nonopt in
  NONE)
    if host_alias=`$ac_config_guess`; then :
    else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
    fi ;;
  *) host_alias=$nonopt ;;
  esac ;;
esac

host=`$ac_config_sub $host_alias`
host_cpu=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
host_vendor=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
host_os=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
echo "$ac_t""$host" 1>&4

if test -z "$host"; then
  host=unknown
fi
target_host_type=$host
canonical_host_type=$host
if test "$host" = unknown; then
  echo "configure: warning: configuring Octave for unknown system type
" 1>&2
fi


### Allow the user to force us to use f2c.

# Check whether --with-f2c or --without-f2c was given.
withval="$with_f2c"
if test -n "$withval"; then
  use_f2c=true
else
  use_f2c=false
fi


### Allow the user to experiment with dynamic linking using GNU dld.

# Check whether --enable-dld or --disable-dld was given.
enableval="$enable_dld"
if test -n "$enableval"; then
  use_dld=true
else
  use_dld=false
fi



### Allow compilation of smaller kernel.  This only works if some form
### of dynamic linking is also supported and used.

# Check whether --enable-lite-kernel or --disable-lite-kernel was given.
enableval="$enable_lite_kernel"
if test -n "$enableval"; then
  lite_kernel=true
else
  lite_kernel=false
fi

if $lite_kernel; then
  cat >> confdefs.h <<\EOF
#define OCTAVE_LITE 1
EOF

fi


### some defaults



exec_prefix='$(prefix)'
bindir='$(exec_prefix)/bin'
datadir='$(prefix)/lib'
libdir='$(exec_prefix)/lib'
includedir='$(prefix)/include/octave'
mandir='$(prefix)/man/man1'
infodir='$(prefix)/info'
fcnfiledir='$(datadir)/octave/$(version)/m'
localfcnfiledir='$(datadir)/octave/site/m'
localfcnfilepath='$(localfcnfiledir)//'
archlibdir='$(libdir)/octave/$(version)/exec/$(target_host_type)'
octfiledir='$(libdir)/octave/$(version)/oct/$(target_host_type)'
localoctfiledir='$(datadir)/octave/site/oct/$(target_host_type)'
localoctfilepath='$(localoctfiledir)//'
fcnfilepath='.:$(localoctfilepath):$(localfcnfilepath):$(octfiledir)//:$(fcnfiledir)//'
imagedir='$(datadir)/octave/$(version)/imagelib'
imagepath='.:$(imagedir)//'

echo "$ac_t""defining prefix to be $prefix" 1>&4
echo "$ac_t""defining exec_prefix to be $exec_prefix" 1>&4
echo "$ac_t""defining bindir to be $bindir" 1>&4
echo "$ac_t""defining datadir to be $datadir" 1>&4
echo "$ac_t""defining libdir to be $libdir" 1>&4
echo "$ac_t""defining includedir to be $includedir" 1>&4
echo "$ac_t""defining mandir to be $mandir" 1>&4
echo "$ac_t""defining infodir to be $infodir" 1>&4
echo "$ac_t""defining fcnfiledir to be $fcnfiledir" 1>&4
echo "$ac_t""defining localfcnfiledir to be $localfcnfiledir" 1>&4
echo "$ac_t""defining localfcnfilepath to be $localfcnfilepath" 1>&4
echo "$ac_t""defining archlibdir to be $archlibdir" 1>&4
echo "$ac_t""defining octfiledir to be $octfiledir" 1>&4
echo "$ac_t""defining localoctfiledir to be $localoctfiledir" 1>&4
echo "$ac_t""defining localoctfilepath to be $localoctfilepath" 1>&4
echo "$ac_t""defining fcnfilepath to be $fcnfilepath" 1>&4
echo "$ac_t""defining imagedir to be $imagedir" 1>&4
echo "$ac_t""defining imagepath to be $imagepath" 1>&4


















### Path separator.

cat >> confdefs.h <<\EOF
#define SEPCHAR ':'
EOF

cat >> confdefs.h <<\EOF
#define SEPCHAR_STR ":"
EOF


### Do special stuff if using dld.

DLD_DIR=
LIBDLD=
LIBOCTDLD='liboctdld.a'
LD_STATIC_FLAG=
if $use_dld; then
  DLD_DIR=dld
  LIBDLD='../dld/libdld.a'
# don't link them in only if doing dynamic linking and small kernel
# requested.
  if $lite_kernel; then
    LIBOCTDLD=
  fi
  LD_STATIC_FLAG=-static
  cat >> confdefs.h <<\EOF
#define WITH_DLD 1
EOF

fi

### Also use -static if compiling on Alpha OSF/1 1.3 systems.

case "$canonical_host_type" in
  alpha-dec-osf1.3)
    LD_STATIC_FLAG=-static
  ;;
esac

if test -n "$DLD_DIR"; then
  echo "$ac_t""defining DLD_DIR to be $DLD_DIR" 1>&4
fi
if test -n "$LIBDLD"; then
  echo "$ac_t""defining LIBDLD to be $LIBDLD" 1>&4
fi
if test -n "$LIBOCTDLD"; then
  echo "$ac_t""defining LIBOCTDLD to be $LIBOCTDLD" 1>&4
fi
if test -n "$LD_STATIC_FLAG"; then
  echo "$ac_t""defining LD_STATIC_FLAG to be $LD_STATIC_FLAG" 1>&4
fi





### See if the optional nonlinear programming code is present.

echo $ac_n "checking for npsol""... $ac_c" 1>&4
if test -f $srcdir/libcruft/npsol/npsol.f; then
  echo "$ac_t""yes" 1>&4
else
  echo "$ac_t""no" 1>&4
  cat >> confdefs.h <<\EOF
#define NPSOL_MISSING 1
EOF

fi

echo $ac_n "checking for qpsol""... $ac_c" 1>&4
if test -f $srcdir/libcruft/qpsol/qpsol.f; then
  echo "$ac_t""yes" 1>&4
else
  echo "$ac_t""no" 1>&4
  cat >> confdefs.h <<\EOF
#define QPSOL_MISSING 1
EOF

fi

echo $ac_n "checking for fsqp""... $ac_c" 1>&4
if test -f $srcdir/libcruft/fsqp/fsqpd.f; then
  echo "$ac_t""yes" 1>&4
else
  echo "$ac_t""no" 1>&4
  cat >> confdefs.h <<\EOF
#define FSQP_MISSING 1
EOF

fi

### See which C++ compiler to use (we expect to find g++).

for ac_prog in $CCC c++ g++ gcc CC cxx
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_CXX'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$CXX"; then
  ac_cv_prog_CXX="$CXX" # Let the user override the test.
else
  IFS="${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_CXX="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CXX="$ac_cv_prog_CXX"
if test -n "$CXX"; then
  echo "$ac_t""$CXX" 1>&4
else
  echo "$ac_t""no" 1>&4
fi

test -n "$CXX" && break
done
test -n "$CXX" || CXX="gcc"


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

fi
    echo "$ac_t""$ac_cv_prog_gxx_g" 1>&4
    if test $ac_cv_prog_gxx_g = yes; then
      CXXFLAGS="-g -O"
    else
      CXXFLAGS="-O"
    fi
  fi
else
  GXX=
  test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
fi

echo $ac_n "checking how to run the C++ preprocessor""... $ac_c" 1>&4
if test -z "$CXXCPP"; then
if eval "test \"`echo '${'ac_cv_prog_CXXCPP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='${CXX-g++} $CXXFLAGS $CPPFLAGS conftest.$ac_ext -c 1>&5 2>&5'
ac_link='${CXX-g++} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext -o conftest $LIBS 1>&5 2>&5'
  CXXCPP="${CXX-g++} -E"
  cat > conftest.$ac_ext <<EOF
#line 757 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  rm -rf conftest*
  CXXCPP=/lib/cpp
fi
rm -f conftest*
  ac_cv_prog_CXXCPP="$CXXCPP"
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} $CFLAGS $CPPFLAGS conftest.$ac_ext -c 1>&5 2>&5'
ac_link='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext -o conftest $LIBS 1>&5 2>&5'
fi
fi
CXXCPP="$ac_cv_prog_CXXCPP"
echo "$ac_t""$CXXCPP" 1>&4


### Do special things for g++.

ADD_CXX_WALL=false
NO_IMPLICIT_TEMPLATES=
gxx_version=`$CXX -v 2>&1 | grep "^g.. version" | sed 's/^g.. version *//'`
case "$gxx_version" in
  2.[6789].*|2.[123456789][0123456789].*)
    if test -z "$CXXFLAGS"; then
      CXXFLAGS="-g -O"
      echo "$ac_t""defining CXXFLAGS to be $CXXFLAGS" 1>&4
      ADD_CXX_WALL=true
    fi
    NO_IMPLICIT_TEMPLATES="-fno-implicit-templates"
    echo "$ac_t""defining NO_IMPLICIT_TEMPLATES to be $NO_IMPLICIT_TEMPLATES" 1>&4
  ;;
  1.*|2.[012345].*)
    echo "configure: warning: g++ version $gxx_version will not work to compile Octave" 1>&2
  ;;
  *)
    echo "configure: warning: Octave has only been tested with g++, and I can't find it" 1>&2
  ;;
esac

HOST_CXXFLAGS=
case "$gxx_version" in
  2.6.*)
    case "$canonical_host_type" in
      rs6000-ibm-aix*)
        HOST_CXXFLAGS="-Wa,-u"
        echo "$ac_t""defining HOST_CXXFLAGS to be $HOST_CXXFLAGS" 1>&4
      ;;
    esac
  ;;
esac



### See what libraries are used by the C++ compiler.  Need this for
### dynamic linking.

CXXLIBS=`sh $srcdir/cxxlibs.sh`
echo "$ac_t""defining CXXLIBS to be $CXXLIBS" 1>&4





### See which C compiler to use (we expect to find gcc).

# Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_CC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$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="$ac_save_ifs"
  test -z "$ac_cv_prog_CC" && ac_cv_prog_CC="cc"
fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
  echo "$ac_t""$CC" 1>&4
else
  echo "$ac_t""no" 1>&4
fi


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

fi
    echo "$ac_t""$ac_cv_prog_gcc_g" 1>&4
    if test $ac_cv_prog_gcc_g = yes; then
      CFLAGS="-g -O"
    else
      CFLAGS="-O"
    fi
  fi
else
  GCC=
  test "${CFLAGS+set}" = set || CFLAGS="-g"
fi

echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&4
# 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) $ac_c" 1>&4
else
    # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and "${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 920 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  rm -rf conftest*
  CPP="${CC-cc} -E -traditional-cpp"
  cat > conftest.$ac_ext <<EOF
#line 934 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
rm -f conftest*
  ac_cv_prog_CPP="$CPP"
fi
fi
CPP="$ac_cv_prog_CPP"
echo "$ac_t""$CPP" 1>&4

if test $ac_cv_prog_gcc = yes; then
  echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
    ac_pattern="Autoconf.*'x'"
  cat > conftest.$ac_ext <<EOF
#line 964 "configure"
#include "confdefs.h"
#include <sgtty.h>
Autoconf TIOCGETP
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "$ac_pattern" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_prog_gcc_traditional=yes
else
  rm -rf conftest*
  ac_cv_prog_gcc_traditional=no
fi
rm -f conftest*


  if test $ac_cv_prog_gcc_traditional = no; then
    cat > conftest.$ac_ext <<EOF
#line 982 "configure"
#include "confdefs.h"
#include <termio.h>
Autoconf TCGETA
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "$ac_pattern" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_prog_gcc_traditional=yes
fi
rm -f conftest*

  fi
fi
  echo "$ac_t""$ac_cv_prog_gcc_traditional" 1>&4
  if test $ac_cv_prog_gcc_traditional = yes; then
    CC="$CC -traditional"
  fi
fi


### Do special things for gcc.

ADD_CC_WALL=false
gcc_version=`$CC -v 2>&1 | grep "^gcc version" | sed 's/^gcc version *//'`
case "$gcc_version" in
  2.*)
    if test -z "$CFLAGS"; then
      CFLAGS="-g -O"
      echo "$ac_t""defining CFLAGS to be $CFLAGS" 1>&4
      ADD_CC_WALL=true
    fi
    if test -z "$LDFLAGS"; then
      LDFLAGS="-g"
      echo "$ac_t""defining LDFLAGS to be $LDFLAGS" 1>&4
    fi
  ;;
  1.*)
    echo "configure: warning: gcc version $gcc_version is likely to cause problems" 1>&2
  ;;
  *)
    echo "configure: warning: Octave has only been tested with gcc, and I can't find it" 1>&2
  ;;
esac




### On Linux systems we need to compile with -mieee-fp to get full
### support for IEEE floating point.

case "$canonical_host_type" in
  i386-*-linux | i486-*-linux | i586-*-linux)
    GCC_IEEE_FP_FLAG="-mieee-fp"
    echo "$ac_t""defining GCC_IEEE_FP_FLAG to be $GCC_IEEE_FP_FLAG" 1>&4
  ;;
esac



### Special checks for odd OS specific things.

echo $ac_n "checking for POSIXized ISC""... $ac_c" 1>&4
if test -d /etc/conf/kconfig.d &&
  grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
then
  echo "$ac_t""yes" 1>&4
  ISC=yes # If later tests want to check for ISC.
  cat >> confdefs.h <<\EOF
#define _POSIX_SOURCE 1
EOF

  if test "$GCC" = yes; then
    CC="$CC -posix"
  else
    CC="$CC -Xp"
  fi
else
  echo "$ac_t""no" 1>&4
  ISC=
fi

ac_safe=`echo "minix/config.h" | tr './\055' '___'`
echo $ac_n "checking for minix/config.h""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1070 "configure"
#include "confdefs.h"
#include <minix/config.h>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  MINIX=yes
else
  echo "$ac_t""no" 1>&4
MINIX=
fi

if test "$MINIX" = yes; then
  cat >> confdefs.h <<\EOF
#define _POSIX_SOURCE 1
EOF

  cat >> confdefs.h <<\EOF
#define _POSIX_1_SOURCE 2
EOF

  cat >> confdefs.h <<\EOF
#define _MINIX 1
EOF

fi

echo $ac_n "checking for AIX""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1111 "configure"
#include "confdefs.h"
#ifdef _AIX
  yes
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "yes" >/dev/null 2>&1; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4; cat >> confdefs.h <<\EOF
#define _ALL_SOURCE 1
EOF

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


# strftime is in -lintl on SCO UNIX.
echo $ac_n "checking for -lintl""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_intl'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lintl "
cat > conftest.$ac_ext <<EOF
#line 1140 "configure"
#include "confdefs.h"

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

fi
if eval "test \"`echo '$ac_cv_lib_'intl`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  LIBS="$LIBS -lintl"
else
  echo "$ac_t""no" 1>&4
fi

echo $ac_n "checking for strftime""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_strftime'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1171 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char strftime(); 

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

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

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

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

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

echo $ac_n "checking for -lsun""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_sun'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lsun "
cat > conftest.$ac_ext <<EOF
#line 1218 "configure"
#include "confdefs.h"

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

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

  LIBS="$LIBS -lsun"

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


### How big are ints and how are they oriented?  These could probably
### be eliminated in favor of run-time checks.

# If we cannot run a trivial program, we must be cross compiling.
echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_cross'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$cross_compiling" = yes; then
  ac_cv_cross=yes
else
cat > conftest.$ac_ext <<EOF
#line 1263 "configure"
#include "confdefs.h"
main(){return(0);}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_c_cross=no
else
  ac_cv_c_cross=yes
fi
fi
rm -fr conftest*
fi
cross_compiling=$ac_cv_c_cross
echo "$ac_t""$ac_cv_c_cross" 1>&4

echo $ac_n "checking size of short""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_sizeof_short'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$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 1287 "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
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_sizeof_short=`cat conftestval`
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_sizeof_short" 1>&4
cat >> confdefs.h <<EOF
#define SIZEOF_SHORT $ac_cv_sizeof_short
EOF


echo $ac_n "checking size of int""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_sizeof_int'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$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 1319 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(int));
  exit(0);
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_sizeof_int=`cat conftestval`
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_sizeof_int" 1>&4
cat >> confdefs.h <<EOF
#define SIZEOF_INT $ac_cv_sizeof_int
EOF


echo $ac_n "checking size of long""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_sizeof_long'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$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 1351 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(long));
  exit(0);
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_sizeof_long=`cat conftestval`
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_sizeof_long" 1>&4
cat >> confdefs.h <<EOF
#define SIZEOF_LONG $ac_cv_sizeof_long
EOF


echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_bigendian'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$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 1383 "configure"
#include "confdefs.h"
main () {
  /* Are we little or big endian?  From Harbison&Steele.  */
  union
  {
    long l;
    char c[sizeof (long)];
  } u;
  u.l = 1;
  exit (u.c[sizeof (long) - 1] == 1);
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_c_bigendian=no
else
  ac_cv_c_bigendian=yes
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_c_bigendian" 1>&4
if test $ac_cv_c_bigendian = yes; then
  cat >> confdefs.h <<\EOF
#define WORDS_BIGENDIAN 1
EOF

fi


### Try to determine the floating point format.  This could probably
### be eliminated in favor of run-time checks.

echo $ac_n "checking floating point format""... $ac_c" 1>&4
XCFLAGS=`echo $CFLAGS | sed 's/-O[^ \t]*//'`
${CC-cc} -DDP $XCFLAGS $LDFLAGS $srcdir/float-type.c -o conftest >/dev/null 2>&1
FLOAT_FORMAT=`./conftest`
case "$FLOAT_FORMAT" in
  IEEE_BIG_ENDIAN)
    echo "$ac_t""IEEE big endian" 1>&4
    cat >> confdefs.h <<\EOF
#define IEEE_BIG_ENDIAN 1
EOF

  ;;
  IEEE_LITTLE_ENDIAN)
    echo "$ac_t""IEEE little endian" 1>&4
    cat >> confdefs.h <<\EOF
#define IEEE_LITTLE_ENDIAN 1
EOF

  ;;
  VAX_D_FLOAT)
    echo "$ac_t""VAX D floating" 1>&4
    cat >> confdefs.h <<\EOF
#define VAX_D_FLOAT 1
EOF

  ;;
  VAX_G_FLOAT)
    echo "$ac_t""VAX G floating" 1>&4
    cat >> confdefs.h <<\EOF
#define VAX_G_FLOAT 1
EOF

  ;;
  *)
    echo "$ac_t""" 1>&4
    echo "configure: warning: "unrecognized floating point format!"" 1>&2
  ;;
esac

### Does the C compiler handle alloca() and const correctly?

# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
# for constant arguments.  Useless!
echo $ac_n "checking for working alloca.h""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_alloca_h'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1465 "configure"
#include "confdefs.h"
#include <alloca.h>
int main() { return 0; }
int t() {
char *p = alloca(2 * sizeof(int));
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  ac_cv_header_alloca_h=yes
else
  rm -rf conftest*
  ac_cv_header_alloca_h=no
fi
rm -f conftest*

fi
echo "$ac_t""$ac_cv_header_alloca_h" 1>&4
if test $ac_cv_header_alloca_h = yes; then
  cat >> confdefs.h <<\EOF
#define HAVE_ALLOCA_H 1
EOF

fi

echo $ac_n "checking for alloca""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_alloca'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1496 "configure"
#include "confdefs.h"

#ifdef __GNUC__
# define alloca __builtin_alloca
#else
# if HAVE_ALLOCA_H
#  include <alloca.h>
# else
#  ifdef _AIX
 #pragma alloca
#  else
#   ifndef alloca /* predefined by HP cc +Olibcalls */
char *alloca ();
#   endif
#  endif
# endif
#endif

int main() { return 0; }
int t() {
char *p = (char *) alloca(1);
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  ac_cv_func_alloca=yes
else
  rm -rf conftest*
  ac_cv_func_alloca=no
fi
rm -f conftest*

fi
echo "$ac_t""$ac_cv_func_alloca" 1>&4
if test $ac_cv_func_alloca = yes; then
  cat >> confdefs.h <<\EOF
#define HAVE_ALLOCA 1
EOF

fi

if test $ac_cv_func_alloca = no; then
  # The SVR3 libPW and SVR4 libucb both contain incompatible functions
  # that cause trouble.  Some versions do not even contain alloca or
  # contain a buggy version.  If you still want to use their alloca,
  # use ar to extract alloca.o from them instead of compiling alloca.c.
  ALLOCA=alloca.o
  cat >> confdefs.h <<\EOF
#define C_ALLOCA 1
EOF


echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_os_cray'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1554 "configure"
#include "confdefs.h"
#if defined(CRAY) && ! defined(CRAY2)
webecray
#else
wenotbecray
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "webecray" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_os_cray=yes
else
  rm -rf conftest*
  ac_cv_os_cray=no
fi
rm -f conftest*

fi
echo "$ac_t""$ac_cv_os_cray" 1>&4
if test $ac_cv_os_cray = yes; then
echo $ac_n "checking for _getb67""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func__getb67'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1581 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char _getb67(); 

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

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub__getb67) || defined (__stub____getb67)
choke me
#else
_getb67();
#endif

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_func__getb67=yes"
else
  rm -rf conftest*
  eval "ac_cv_func__getb67=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'_getb67`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  cat >> confdefs.h <<\EOF
#define CRAY_STACKSEG_END _getb67
EOF

else
  echo "$ac_t""no" 1>&4
echo $ac_n "checking for GETB67""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_GETB67'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1624 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char GETB67(); 

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

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_GETB67) || defined (__stub___GETB67)
choke me
#else
GETB67();
#endif

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_func_GETB67=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_GETB67=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'GETB67`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  cat >> confdefs.h <<\EOF
#define CRAY_STACKSEG_END GETB67
EOF

else
  echo "$ac_t""no" 1>&4
echo $ac_n "checking for getb67""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_getb67'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1667 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char getb67(); 

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

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_getb67) || defined (__stub___getb67)
choke me
#else
getb67();
#endif

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_func_getb67=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_getb67=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'getb67`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  cat >> confdefs.h <<\EOF
#define CRAY_STACKSEG_END getb67
EOF

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

fi

fi

fi

echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_stack_direction'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$cross_compiling" = yes; then
  ac_cv_c_stack_direction=0
else
cat > conftest.$ac_ext <<EOF
#line 1721 "configure"
#include "confdefs.h"
find_stack_direction ()
{
  static char *addr = 0;
  auto char dummy;
  if (addr == 0)
    {
      addr = &dummy;
      return find_stack_direction ();
    }
  else
    return (&dummy > addr) ? 1 : -1;
}
main ()
{
  exit (find_stack_direction() < 0);
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_c_stack_direction=1
else
  ac_cv_c_stack_direction=-1
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_c_stack_direction" 1>&4
cat >> confdefs.h <<EOF
#define STACK_DIRECTION $ac_cv_c_stack_direction
EOF

fi


### This one is for kpathsea.
###
### It would be nicer to test for the requisite putenv features directly,
### but can't figure out how to do that.

if test "`(uname) 2>/dev/null`" = NetBSD \
   || test "`(uname) 2>/dev/null`" = FreeBSD; then
  cat >> confdefs.h <<\EOF
#define SMART_PUTENV 1
EOF

fi

echo $ac_n "checking for working const""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_const'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1775 "configure"
#include "confdefs.h"

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

/* 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;
/* 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 $ac_compile; then
  rm -rf conftest*
  ac_cv_c_const=yes
else
  rm -rf conftest*
  ac_cv_c_const=no
fi
rm -f conftest*

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

fi


### If we haven't been forced to use f2c, try to find a Fortran compiler
### under any one of several common Un*x Fortran compiler names. 
### Put fc last to avoid confusion with some vendor's /bin/sh fc
### builtin.
###
###    xlf : IBM / AIX
###   cf77 : Cray / Unicos
###    g77 : GNU Fortran (someday...)
###     fc : Convex
###
### I don't think the Cray compiler will ever work like f2c...

if $use_f2c; then
  true
else
  for ac_prog in xlf cf77 f77 g77 fc
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_F77'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$F77"; then
  ac_cv_prog_F77="$F77" # Let the user override the test.
else
  IFS="${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_F77="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
F77="$ac_cv_prog_F77"
if test -n "$F77"; then
  echo "$ac_t""$F77" 1>&4
else
  echo "$ac_t""no" 1>&4
fi

test -n "$F77" && break
done


  # If it looks like we have a Fortran compiler, try to determine
  # whether it might be compatible with f2c.

  if test -n "$F77"; then
    echo $ac_n "checking $F77/f2c compatibility""... $ac_c" 1>&4
    export F77
    export CC
    tmpdef=`sh $srcdir/f2c-compat.sh $srcdir/flibs.sh`
    status=$?
    if test $status -eq 0; then
      echo "$ac_t""yes" 1>&4
      if test "$tmpdef" = '-DF77_APPEND_UNDERSCORE=1'; then
        cat >> confdefs.h <<\EOF
#define F77_APPEND_UNDERSCORE 1
EOF

      fi
    else
      echo "$ac_t""no" 1>&4
      F77=
    fi
  fi
fi

### If we can't find a Fortran compiler, or if it looks like it isn't
### compatible with f2c, try to find f2c.

if test -z "$F77"; then
  # Extract the first word of "f2c", so it can be a program name with args.
set dummy f2c; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_F2C'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$F2C"; then
  ac_cv_prog_F2C="$F2C" # Let the user override the test.
else
  IFS="${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_F2C="f2c"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
F2C="$ac_cv_prog_F2C"
if test -n "$F2C"; then
  echo "$ac_t""$F2C" 1>&4
else
  echo "$ac_t""no" 1>&4
fi

fi

if test -z "$F2CFLAGS"; then
  F2CFLAGS=
fi

if test -z "$FFLAGS"; then
  FFLAGS="-O"
  echo "$ac_t""defining FFLAGS to be $FFLAGS" 1>&4
fi

if test -n "$F77"; then
  export F77
  FLIBS=`sh $srcdir/flibs.sh`
  echo "$ac_t""defining FLIBS to be $FLIBS" 1>&4
  DOT_C_FROM_DOT_F_CMD=
  DOT_O_FROM_DOT_F_PAT=
elif test -n "$F2C" || $use_f2c; then
  echo $ac_n "checking for -lf2c""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_f2c'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lf2c "
cat > conftest.$ac_ext <<EOF
#line 1972 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
main()
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_lib_f2c=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_f2c=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'f2c`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  FLIBS=-lf2c
else
  echo "$ac_t""no" 1>&4
fi

  if test -z "$FLIBS" ; then
    echo $ac_n "checking for -lF77""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_F77'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lF77 "
cat > conftest.$ac_ext <<EOF
#line 2006 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
main()
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_lib_F77=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_F77=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'F77`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  FLIBS=-lF77
else
  echo "$ac_t""no" 1>&4
fi

    if test -n "$FLIBS" ; then
      echo $ac_n "checking for -lI77""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_I77'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lI77 "
cat > conftest.$ac_ext <<EOF
#line 2040 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
main()
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_lib_I77=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_I77=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'I77`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  FLIBS="$FLIBS -lI77"
else
  echo "$ac_t""no" 1>&4
fi

    fi
  fi
  if test -z "$FLIBS" ; then
    echo "configure: warning: I found f2c but not libf2c.a, or libF77.a and libI77.a" 1>&2
  fi
  DOT_C_FROM_DOT_F_CMD='	cat $< | $(F2C) $(F2CFLAGS) > $(@F)'
  echo "$ac_t""defining DOT_C_FROM_DOT_F_CMD to be $DOT_C_FROM_DOT_F_CMD" 1>&4
  DOT_O_FROM_DOT_F_PAT='%.o : %.f'
  echo "$ac_t""defining DOT_O_FROM_DOT_F_PAT to be $DOT_O_FROM_DOT_F_PAT" 1>&4
  cat >> confdefs.h <<\EOF
#define F77_APPEND_UNDERSCORE 1
EOF

else
  echo "configure: warning: in order to build octave, you must have a compatible" 1>&2
  echo "configure: warning: Fortran compiler or f2c installed and in your path." 1>&2
  echo "configure: warning: See the file INSTALL for more information." 1>&2
  echo "configure: warning: Continuing anyway..." 1>&2
fi









### Extract libraries and directories from FLIBS and CXXLIBS.
###
### Leave only libraries, with -lfoo converted to libfoo.a:

FLIB_LIST=`echo " $FLIBS " | sed -e 's/ -Xlinker *[^ ]*/ /g' \
	-e 's/ -L *[^ ]*/ /g' \
	-e 's/ -l *\([^ ]*\)/ lib\1.a/g' -e 's/ -u *[^ ]*/ /g' \
	-e 's/ [^ ]*\.o//g' \
	-e 's/^ *//' -e 's/ *$//' -e 's/  */:/g'`

CXXLIB_LIST=`echo " $CXXLIBS " | sed -e 's/ -Xlinker *[^ ]*/ /g' \
	-e 's/ -L *[^ ]*/ /g' \
	-e 's/ -l *\([^ ]*\)/ lib\1.a/g' -e 's/ -u *[^ ]*/ /g' \
	-e 's/ [^ ]*\.o//g' \
	-e 's/^ *//' -e 's/ *$//' -e 's/  */:/g'`

### Leave only directories where libraries might be found:

FLIB_PATH=`echo " $FLIBS " | sed \
	-e 's/ /  /g' -e 's/ -Xlinker *[^ ]*/ /g' \
	-e 's/ -L *\([^ ]*\)/ \1/g' -e 's, /[^ ]*\.a , ,g' \
	-e 's/ -l *[^ ]*/ /g' -e 's/ -u *[^ ]*/ /g' \
	-e 's/ [^ ]*\.o//g' \
	-e 's/^ *//' -e 's/ *$//' -e 's/  */:/g'`

CXXLIB_PATH=`echo " $CXXLIBS " | sed -e 's/ -Xlinker *[^ ]*/ /g' \
	-e 's/ -L *\([^ ]*\)/ \1/g' -e 's, /[^ ]*\.a , ,g' \
	-e 's/ /  /g' -e 's/ -Xlinker *[^ ]*/ /g' \
	-e 's/ -l *[^ ]*/ /g' -e 's/ -u *[^ ]*/ /g' \
	-e 's/ [^ ]*\.o//g' \
	-e 's/^ *//' -e 's/ *$//' -e 's/  */:/g'`

echo "$ac_t""defining FLIB_LIST to be $FLIB_LIST" 1>&4
echo "$ac_t""defining FLIB_PATH to be $FLIB_PATH" 1>&4

echo "$ac_t""defining CXXLIB_LIST to be $CXXLIB_LIST" 1>&4
echo "$ac_t""defining CXXLIB_PATH to be $CXXLIB_PATH" 1>&4







### Checks for header files.

echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_stdc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2145 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  ac_cv_header_stdc=yes
else
  echo "$ac_err" >&5
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

if test $ac_cv_header_stdc = yes; then
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 2167 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "memchr" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 2185 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "free" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
if test "$cross_compiling" = yes; then
  ac_cv_header_stdc=no
else
cat > conftest.$ac_ext <<EOF
#line 2206 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
int main () { int i; for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }

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

fi

for ac_hdr in assert.h float.h limits.h memory.h pwd.h stdlib.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2243 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&4
fi
done

for ac_hdr in string.h varargs.h unistd.h floatingpoint.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2279 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&4
fi
done

for ac_hdr in sys/utsname.h sys/time.h sys/fcntl.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2315 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&4
fi
done

for ac_hdr in sys/ttold.h sys/ptem.h sys/select.h sys/resource.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2351 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&4
fi
done

ac_header_dirent=no
for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2388 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_hdr>
int main() { return 0; }
int t() {
DIR *dirp = 0;
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  eval "ac_cv_header_dirent_$ac_safe=yes"
else
  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>&4
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 ac_header_dirent=$ac_hdr; break
else
  echo "$ac_t""no" 1>&4
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 -ldir""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_dir'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -ldir "
cat > conftest.$ac_ext <<EOF
#line 2427 "configure"
#include "confdefs.h"

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

fi
if eval "test \"`echo '$ac_cv_lib_'dir`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  LIBS="$LIBS -ldir"
else
  echo "$ac_t""no" 1>&4
fi

else
echo $ac_n "checking for -lx""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_x'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lx "
cat > conftest.$ac_ext <<EOF
#line 2461 "configure"
#include "confdefs.h"

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

fi
if eval "test \"`echo '$ac_cv_lib_'x`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  LIBS="$LIBS -lx"
else
  echo "$ac_t""no" 1>&4
fi

fi

echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_time'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2494 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>
int main() { return 0; }
int t() {
struct tm *tp;
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_cv_header_time=yes
else
  rm -rf conftest*
  ac_cv_header_time=no
fi
rm -f conftest*

fi
echo "$ac_t""$ac_cv_header_time" 1>&4
if test $ac_cv_header_time = yes; then
  cat >> confdefs.h <<\EOF
#define TIME_WITH_SYS_TIME 1
EOF

fi


### Use sgtty on Ultrix so that using DEC Migrate to convert a Mips
### binary to an Alpha binary will work.  Also on Alpha/OSF to avoid
### a readline bug.

case "$canonical_host_type" in
  mips-dec-ultrix* | alpha-dec-osf*)
    ac_safe=`echo "sgtty.h" | tr './\055' '___'`
echo $ac_n "checking for sgtty.h""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2535 "configure"
#include "confdefs.h"
#include <sgtty.h>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  cat >> confdefs.h <<\EOF
#define HAVE_SGTTY_H 1
EOF

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


    if test "$ac_cv_header_sgtty_h" = no; then
      for ac_hdr in termios.h termio.h sgtty.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2571 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 break
else
  echo "$ac_t""no" 1>&4
fi
done

    fi
  ;;
  *)
    for ac_hdr in termios.h termio.h sgtty.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2610 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 break
else
  echo "$ac_t""no" 1>&4
fi
done

  ;;
esac

if test "$ac_cv_header_termios_h" = yes \
    || test "$ac_cv_header_termio_h" = yes \
    || test "$ac_cv_header_sgtty_h" = yes; then
  true
else
  { echo "configure: error: I couldn't find termios.h, termio.h, or sgtty.h!" 1>&2; exit 1; }
fi

### Checks for functions.

for ac_func in setvbuf getcwd gethostname bzero bcopy rindex vfprintf vsprintf
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2658 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char $ac_func(); 

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

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

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

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

for ac_func in stricmp strnicmp strcasecmp strncasecmp strerror atexit
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2707 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char $ac_func(); 

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

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

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

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

for ac_func in on_exit tempnam memmove putenv gettimeofday getrusage
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2756 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char $ac_func(); 

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

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

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

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



### Check to see if we have IEEE math functions, and if so, which ones.
###
### For Linux: add -mieee-fp flag to CFLAGS when checking for IEEE FP
### functions, otherwise we may not find them.
###
### Also check for some additional trig functions that aren't ANSI but
### are often available.  If they are missing, we try to replace them
### with functions from the BSD/NET2 math library.

echo $ac_n "checking for -lsunmath""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_sunmath'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lsunmath "
cat > conftest.$ac_ext <<EOF
#line 2816 "configure"
#include "confdefs.h"

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

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

  LIBS="$LIBS -lsunmath"

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



case "$canonical_host_type" in
  *-*-linux*)
    echo $ac_n "checking for -lm""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_m'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lm -lc"
cat > conftest.$ac_ext <<EOF
#line 2859 "configure"
#include "confdefs.h"

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

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

  LIBS="$LIBS -lm"

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

  ;;
  *)
    echo $ac_n "checking for -lm""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_m'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lm "
cat > conftest.$ac_ext <<EOF
#line 2900 "configure"
#include "confdefs.h"

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

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

  LIBS="$LIBS -lm"

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

  ;;
esac

XCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $GCC_IEEE_FP_FLAG"

### Inf and NaN don't work with gcc on the Alpha yet.  I am also told
### that they don't work on m68k HP sytems either.

case "$canonical_host_type" in
  alpha-dec-osf* | m68k-hp-hpux*)
  ;;
  *)
    for ac_func in finite isnan isinf infinity quiet_nan
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2952 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char $ac_func(); 

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

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

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

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

  ;;
esac

### Check for nonstandard but common math functions that we need.

for ac_func in acosh asinh atanh erf erfc lgamma
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 3006 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char $ac_func(); 

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

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

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

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


echo $ac_n "checking for signgam declaration in math.h""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 3051 "configure"
#include "confdefs.h"
#include <math.h>
int main() { return 0; }
int t() {
int foo = signgam + 1;
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4
  cat >> confdefs.h <<\EOF
#define SIGNGAM_DECLARED 1
EOF

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


CFLAGS="$XCFLAGS"

### Checks for OS specific cruft.

echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_struct_tm'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 3082 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <time.h>
int main() { return 0; }
int t() {
struct tm *tp; tp->tm_sec;
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_cv_struct_tm=time.h
else
  rm -rf conftest*
  ac_cv_struct_tm=sys/time.h
fi
rm -f conftest*

fi
echo "$ac_t""$ac_cv_struct_tm" 1>&4
if test $ac_cv_struct_tm = sys/time.h; then
  cat >> confdefs.h <<\EOF
#define TM_IN_SYS_TIME 1
EOF

fi

echo $ac_n "checking whether setvbuf arguments are reversed""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_setvbuf_reversed'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$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 3117 "configure"
#include "confdefs.h"
#include <stdio.h>
/* If setvbuf has the reversed format, exit 0. */
main () {
  /* This call has the arguments reversed.
     A reversed system may check and see that the address of main
     is not _IOLBF, _IONBF, or _IOFBF, and return nonzero.  */
  if (setvbuf(stdout, _IOLBF, (char *) main, BUFSIZ) != 0)
    exit(1);
  putc('\r', stdout);
  exit(0);			/* Non-reversed systems segv here.  */
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_func_setvbuf_reversed=yes
else
  ac_cv_func_setvbuf_reversed=no
fi
fi
rm -fr conftest*
rm -f core
fi
echo "$ac_t""$ac_cv_func_setvbuf_reversed" 1>&4
if test $ac_cv_func_setvbuf_reversed = yes; then
  cat >> confdefs.h <<\EOF
#define SETVBUF_REVERSED 1
EOF

fi

TERMLIBS=""
for termlib in termcap terminfo curses termlib ; do
  echo $ac_n "checking for -l${termlib}""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_${termlib}'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -l${termlib} "
cat > conftest.$ac_ext <<EOF
#line 3158 "configure"
#include "confdefs.h"

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

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

  case "${TERMLIBS}" in
    *-l${termlib}*)
      echo "$ac_t""defining TERMLIBS to be $TERMLIBS" 1>&4
      break
    ;;
  esac
done

echo $ac_n "checking for struct exception in math.h""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 3194 "configure"
#include "confdefs.h"
#include <math.h>
int main() { return 0; }
int t() {
struct exception *x; x->type; x->name;
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4
  cat >> confdefs.h <<\EOF
#define EXCEPTION_IN_MATH 1
EOF

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




### Signal stuff.

echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_type_signal'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 3225 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif
extern void (*signal ()) ();
int main() { return 0; }
int t() {
int i;
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_cv_type_signal=void
else
  rm -rf conftest*
  ac_cv_type_signal=int
fi
rm -f conftest*

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


echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 3259 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
/* NetBSD declares sys_siglist in unistd.h.  */
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
int main() { return 0; }
int t() {
char *msg = *(sys_siglist + 1);
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_cv_decl_sys_siglist=yes
else
  rm -rf conftest*
  ac_cv_decl_sys_siglist=no
fi
rm -f conftest*

fi
echo "$ac_t""$ac_cv_decl_sys_siglist" 1>&4
if test $ac_cv_decl_sys_siglist = yes; then
  cat >> confdefs.h <<\EOF
#define SYS_SIGLIST_DECLARED 1
EOF

fi

echo $ac_n "checking for sys_siglist variable""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 3292 "configure"
#include "confdefs.h"
#include <stdio.h>
int main() { return 0; }
int t() {
extern char *sys_siglist[]; printf ("%s\n", sys_siglist[1]);
; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&4
  cat >> confdefs.h <<\EOF
#define HAVE_SYS_SIGLIST 1
EOF

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


### Define VOID_SIGHANDLER for readline.

case "$RETSIGTYPE" in
  int)
  ;;
  *)
    VOID_SIGHANDLER="-DVOID_SIGHANDLER=1"
    echo "$ac_t""defining VOID_SIGHANDLER to be 1" 1>&4
  ;;
esac


### Checks for other programs used for building, testing, installing,
### and running Octave.
###
### For now, don't define LEXLIB to be -lfl -- we don't use anything in
### it, and it might not be installed.
###
### Also make sure that we generate an interactive scanner if we are
### using flex.

# 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""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_LEX'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$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>&4
else
  echo "$ac_t""no" 1>&4
fi

if test -z "$LEXLIB"
then
  case "$LEX" in
  flex*) ac_lib=fl ;;
  *) ac_lib=l ;;
  esac
  echo $ac_n "checking for -l$ac_lib""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_$ac_lib'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -l$ac_lib "
cat > conftest.$ac_ext <<EOF
#line 3376 "configure"
#include "confdefs.h"

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

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  LEXLIB="-l$ac_lib"
else
  echo "$ac_t""no" 1>&4
fi

fi

case "$LEX" in
  flex*)
    LFLAGS="-t -I"
    echo "$ac_t""defining LFLAGS to be $LFLAGS" 1>&4
    LEXLIB=
  ;;
  *)
    LFLAGS="-t"
    echo "$ac_t""defining LFLAGS to be $LFLAGS" 1>&4
    echo "configure: warning: I didn't find flex, but that's only a problem" 1>&2
    echo "configure: warning: if you need to reconstruct lex.cc" 1>&2
  ;;
esac


for ac_prog in 'bison -y' byacc
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_YACC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$YACC"; then
  ac_cv_prog_YACC="$YACC" # Let the user override the test.
else
  IFS="${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_YACC="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
YACC="$ac_cv_prog_YACC"
if test -n "$YACC"; then
  echo "$ac_t""$YACC" 1>&4
else
  echo "$ac_t""no" 1>&4
fi

test -n "$YACC" && break
done
test -n "$YACC" || YACC="yacc"

case "$YACC" in
  bison*)
  ;;
  *)
    echo "configure: warning: I didn't find bison, but that's only a problem" 1>&2
    echo "configure: warning: if you need to reconstruct parse.cc" 1>&2
  ;;
esac

# 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""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_RANLIB'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$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>&4
else
  echo "$ac_t""no" 1>&4
fi


# Extract the first word of "runtest", so it can be a program name with args.
set dummy runtest; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_RUNTEST'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$RUNTEST"; then
  ac_cv_prog_RUNTEST="$RUNTEST" # Let the user override the test.
else
  IFS="${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_RUNTEST="runtest"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
RUNTEST="$ac_cv_prog_RUNTEST"
if test -n "$RUNTEST"; then
  echo "$ac_t""$RUNTEST" 1>&4
else
  echo "$ac_t""no" 1>&4
fi

# Extract the first word of "expect", so it can be a program name with args.
set dummy expect; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_EXPECT'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$EXPECT"; then
  ac_cv_prog_EXPECT="$EXPECT" # Let the user override the test.
else
  IFS="${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_EXPECT="expect"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
EXPECT="$ac_cv_prog_EXPECT"
if test -n "$EXPECT"; then
  echo "$ac_t""$EXPECT" 1>&4
else
  echo "$ac_t""no" 1>&4
fi

if test -z "$EXPECT" ; then
  RUNTEST=
fi


# Find a good install program.  We prefer a C program (faster),
# so one script is as good as another.  But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&4
if test -z "$INSTALL"; then
if eval "test \"`echo '${'ac_cv_path_install'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
    IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    case "$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="$ac_save_ifs"
  # As a last resort, use the slow shell script.
  test -z "$ac_cv_path_install" && ac_cv_path_install="$ac_install_sh"
fi
  INSTALL="$ac_cv_path_install"
fi
echo "$ac_t""$INSTALL" 1>&4

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

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


# Extract the first word of "gnuplot", so it can be a program name with args.
set dummy gnuplot; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_GNUPLOT_BINARY'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$GNUPLOT_BINARY"; then
  ac_cv_prog_GNUPLOT_BINARY="$GNUPLOT_BINARY" # Let the user override the test.
else
  IFS="${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_GNUPLOT_BINARY="gnuplot"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
GNUPLOT_BINARY="$ac_cv_prog_GNUPLOT_BINARY"
if test -n "$GNUPLOT_BINARY"; then
  echo "$ac_t""$GNUPLOT_BINARY" 1>&4
else
  echo "$ac_t""no" 1>&4
fi

if test -z "$GNUPLOT_BINARY"; then
  echo "configure: warning: I didn't find gnuplot.  It isn't necessary to have gnuplot" 1>&2
  echo "configure: warning: installed, but you won't be able to use any of Octave's" 1>&2
  echo "configure: warning: plotting commands without it." 1>&2
  echo "configure: warning: " 1>&2
  echo "configure: warning: If gnuplot is installed but it isn't in your path, you can" 1>&2
  echo "configure: warning: tell Octave where to find it by typing the command" 1>&2
  echo "configure: warning: " 1>&2
  echo "configure: warning: gnuplot_binary = "/full/path/to/gnuplot/binary"" 1>&2
  echo "configure: warning: " 1>&2
  echo "configure: warning: at the Octave prompt." 1>&2
fi

for ac_prog in less more page pg
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_DEFAULT_PAGER'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test -n "$DEFAULT_PAGER"; then
  ac_cv_prog_DEFAULT_PAGER="$DEFAULT_PAGER" # Let the user override the test.
else
  IFS="${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_DEFAULT_PAGER="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
DEFAULT_PAGER="$ac_cv_prog_DEFAULT_PAGER"
if test -n "$DEFAULT_PAGER"; then
  echo "$ac_t""$DEFAULT_PAGER" 1>&4
else
  echo "$ac_t""no" 1>&4
fi

test -n "$DEFAULT_PAGER" && break
done

if test -z "$DEFAULT_PAGER"; then
  echo "configure: warning: I couldn't find `less', `more', `page', or `pg'" 1>&2
elif test "$DEFAULT_PAGER" = less; then
  DEFAULT_PAGER="less -e"
  echo "$ac_t""defining DEFAULT_PAGER to be $DEFAULT_PAGER" 1>&4
fi

### Even though we include config.h in most files, some need to be
### compiled with the -D options on the compiler command line.  Use
### UGLY_DEFS for that.

# Transform confdefs.h into DEFS.
# Protect against shell expansion while executing Makefile rules.
# Protect against Makefile macro expansion.
cat > conftest.defs <<\EOF
s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%-D\1=\2%g
s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
s%\[%\\&%g
s%\]%\\&%g
s%\$%$$%g
EOF
DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
rm -f conftest.defs

UGLY_DEFS="$DEFS"
echo "$ac_t""defining UGLY_DEFS to be $UGLY_DEFS" 1>&4


### Maybe add -Wall to compiler flags now that we're done feature
### testing. 
###
### To get gcc and g++ to be really picky, try these adding these
### options to CFLAGS and CXXFLAGS along with -Wall:
###
###   -ansi
###   -pedantic
###   -Wwrite-strings
###   -Wid-clash-31
###   -Wpointer-arith
###   -Wcast-qual
###   -Wenum-clash
###   -Wcast-align
###   -Wtraditional
###   -Wstrict-prototypes
###   -Wmissing-prototypes
###   -Wnested-externs
###   -Woverloaded-virtual
###   -Winline
###   -felide-constructors
###   -fnonnull-objects

if $ADD_CXX_WALL; then
  CXXFLAGS="$CXXFLAGS -Wall"
  echo "$ac_t""adding -Wall to CXXFLAGS" 1>&4
fi
if $ADD_CC_WALL; then
  CFLAGS="$CFLAGS -Wall"
  echo "$ac_t""adding -Wall to CFLAGS" 1>&4
fi

### Do the substitutions in all the Makefiles.





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

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

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

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

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

DEFS=-DHAVE_CONFIG_H

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

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

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

ac_given_srcdir=$srcdir
ac_given_INSTALL="$INSTALL"

trap 'rm -fr Makefile octMakefile Makeconf libcruft/Makefile libcruft/Makerules liboctave/Makefile src/Makefile dld/Makefile info/Makefile readline/Makefile readline/doc/Makefile readline/examples/Makefile doc/Makefile test/Makefile kpathsea/Makefile libcruft/blas/Makefile libcruft/balgen/Makefile libcruft/dassl/Makefile libcruft/eispack/Makefile libcruft/fftpack/Makefile libcruft/fsqp/Makefile libcruft/lapack/Makefile libcruft/linpack/Makefile libcruft/minpack/Makefile libcruft/misc/Makefile libcruft/npsol/Makefile libcruft/odepack/Makefile libcruft/qpsol/Makefile libcruft/quadpack/Makefile libcruft/ranlib/Makefile libcruft/slatec-fn/Makefile libcruft/villad/Makefile scripts/Makefile scripts/control/Makefile scripts/general/Makefile scripts/image/Makefile scripts/linear-algebra/Makefile scripts/miscellaneous/Makefile scripts/plot/Makefile scripts/polynomial/Makefile scripts/set/Makefile scripts/signal/Makefile scripts/special-matrix/Makefile scripts/startup/Makefile scripts/statistics/Makefile scripts/elfun/Makefile scripts/specfun/Makefile scripts/strings/Makefile config.h kpathsea/c-auto.h conftest*; exit 1' 1 2 15

# Protect against being on the right side of a sed subst in config.status. 
sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g; 
 s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
$ac_vpsub
$extrasub
s%@CFLAGS@%$CFLAGS%g
s%@CPPFLAGS@%$CPPFLAGS%g
s%@CXXFLAGS@%$CXXFLAGS%g
s%@DEFS@%$DEFS%g
s%@LDFLAGS@%$LDFLAGS%g
s%@LIBS@%$LIBS%g
s%@exec_prefix@%$exec_prefix%g
s%@prefix@%$prefix%g
s%@program_transform_name@%$program_transform_name%g
s%@host@%$host%g
s%@host_alias@%$host_alias%g
s%@host_cpu@%$host_cpu%g
s%@host_vendor@%$host_vendor%g
s%@host_os@%$host_os%g
s%@target_host_type@%$target_host_type%g
s%@use_dld@%$use_dld%g
s%@lite_kernel@%$lite_kernel%g
s%@bindir@%$bindir%g
s%@datadir@%$datadir%g
s%@libdir@%$libdir%g
s%@includedir@%$includedir%g
s%@mandir@%$mandir%g
s%@infodir@%$infodir%g
s%@fcnfiledir@%$fcnfiledir%g
s%@localfcnfiledir@%$localfcnfiledir%g
s%@localfcnfilepath@%$localfcnfilepath%g
s%@archlibdir@%$archlibdir%g
s%@octfiledir@%$octfiledir%g
s%@localoctfiledir@%$localoctfiledir%g
s%@localoctfilepath@%$localoctfilepath%g
s%@fcnfilepath@%$fcnfilepath%g
s%@imagedir@%$imagedir%g
s%@imagepath@%$imagepath%g
s%@DLD_DIR@%$DLD_DIR%g
s%@LIBDLD@%$LIBDLD%g
s%@LIBOCTDLD@%$LIBOCTDLD%g
s%@LD_STATIC_FLAG@%$LD_STATIC_FLAG%g
s%@CXX@%$CXX%g
s%@CXXCPP@%$CXXCPP%g
s%@HOST_CXXFLAGS@%$HOST_CXXFLAGS%g
s%@NO_IMPLICIT_TEMPLATES@%$NO_IMPLICIT_TEMPLATES%g
s%@CXXLIBS@%$CXXLIBS%g
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@GCC_IEEE_FP_FLAG@%$GCC_IEEE_FP_FLAG%g
s%@ALLOCA@%$ALLOCA%g
s%@F77@%$F77%g
s%@F2C@%$F2C%g
s%@FFLAGS@%$FFLAGS%g
s%@FLIBS@%$FLIBS%g
s%@F2CFLAGS@%$F2CFLAGS%g
s%@DOT_C_FROM_DOT_F_CMD@%$DOT_C_FROM_DOT_F_CMD%g
s%@DOT_O_FROM_DOT_F_PAT@%$DOT_O_FROM_DOT_F_PAT%g
s%@FLIB_LIST@%$FLIB_LIST%g
s%@FLIB_PATH@%$FLIB_PATH%g
s%@CXXLIB_LIST@%$CXXLIB_LIST%g
s%@CXXLIB_PATH@%$CXXLIB_PATH%g
s%@TERMLIBS@%$TERMLIBS%g
s%@VOID_SIGHANDLER@%$VOID_SIGHANDLER%g
s%@LEX@%$LEX%g
s%@LEXLIB@%$LEXLIB%g
s%@LFLAGS@%$LFLAGS%g
s%@YACC@%$YACC%g
s%@RANLIB@%$RANLIB%g
s%@RUNTEST@%$RUNTEST%g
s%@EXPECT@%$EXPECT%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@GNUPLOT_BINARY@%$GNUPLOT_BINARY%g
s%@DEFAULT_PAGER@%$DEFAULT_PAGER%g
s%@UGLY_DEFS@%$UGLY_DEFS%g

CEOF
EOF
cat >> $CONFIG_STATUS <<EOF

CONFIG_FILES=\${CONFIG_FILES-"Makefile octMakefile Makeconf libcruft/Makefile libcruft/Makerules liboctave/Makefile src/Makefile dld/Makefile info/Makefile readline/Makefile readline/doc/Makefile readline/examples/Makefile doc/Makefile test/Makefile kpathsea/Makefile libcruft/blas/Makefile libcruft/balgen/Makefile libcruft/dassl/Makefile libcruft/eispack/Makefile libcruft/fftpack/Makefile libcruft/fsqp/Makefile libcruft/lapack/Makefile libcruft/linpack/Makefile libcruft/minpack/Makefile libcruft/misc/Makefile libcruft/npsol/Makefile libcruft/odepack/Makefile libcruft/qpsol/Makefile libcruft/quadpack/Makefile libcruft/ranlib/Makefile libcruft/slatec-fn/Makefile libcruft/villad/Makefile scripts/Makefile scripts/control/Makefile scripts/general/Makefile scripts/image/Makefile scripts/linear-algebra/Makefile scripts/miscellaneous/Makefile scripts/plot/Makefile scripts/polynomial/Makefile scripts/set/Makefile scripts/signal/Makefile scripts/special-matrix/Makefile scripts/startup/Makefile scripts/statistics/Makefile scripts/elfun/Makefile scripts/specfun/Makefile scripts/strings/Makefile"}
EOF
cat >> $CONFIG_STATUS <<\EOF
for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
  # Support "outfile[:infile]", defaulting infile="outfile.in".
  case "$ac_file" in
  *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
       ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
  *) ac_file_in="${ac_file}.in" ;;
  esac

  # Adjust relative srcdir, etc. for subdirectories.

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

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

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

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

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

  echo creating $ac_file

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

EOF

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

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

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

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

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



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

