#!/bin/sh

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

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

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

# Initialize some other variables.
subdirs=

ac_prev=
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=readline.c

# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  ac_srcdir_defaulted=yes
  # Try the directory containing this script, then its parent.
  ac_prog=$0
  ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
  test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
  srcdir=$ac_confdir
  if test ! -r $srcdir/$ac_unique_file; then
    srcdir=..
  fi
else
  ac_srcdir_defaulted=no
fi
if test ! -r $srcdir/$ac_unique_file; then
  if test "$ac_srcdir_defaulted" = yes; then
    { echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; }
  else
    { echo "configure: error: can not find sources in $srcdir" 1>&2; exit 1; }
  fi
fi
srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`

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

if test -r "$cache_file"; then
  echo "loading cache $cache_file"
  . $cache_file
else
  echo "creating cache $cache_file"
  > $cache_file
fi

ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} $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='	' ac_tt=
  else
    ac_n=-n ac_c= ac_t= ac_tt='
         '
  fi
else
  ac_n= ac_c='\c' ac_t= ac_tt='
         '
fi



# Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'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 ${CC-cc} -E conftest.c 2>&5 | egrep yes >/dev/null 2>&1; then
  ac_cv_prog_gcc=yes
  # Add "-O" to both the CC and CPP commands, to eliminate possible confusion
  # that results from __OPTIMIZE__ being defined for CC but not CPP.
  CC="$CC -O"
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
else
  GCC=
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="${CC-cc} -E"
  if test -n "$GCC"; then
    # Suppress warning messages.
    CPP="$CPP -w"
  fi
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp. On NeXTstep 3.1 the same holds for /lib/cpp; use
  # "cc -E -traditional-cpp" instead.
  cat > conftest.$ac_ext <<EOF
#line 479 "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 "$ac_err"; then
  rm -rf conftest*
  ac_have_cpp=1
else
  echo "$ac_err" >&5
fi
rm -f conftest*
  if test -z "$ac_have_cpp"; then
    CPP="${CC-cc} -E -traditional-cpp"
    cat > conftest.$ac_ext <<EOF
#line 496 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  CC="${CC-cc} -traditional-cpp"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
  fi
  ac_cv_prog_CC="$CC"
  ac_cv_prog_CPP="$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 -traditional is needed for ${CC-cc} on this system""... $ac_c" 1>&4
if eval "test \"`echo '${'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 527 "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 545 "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
  if test $ac_cv_prog_gcc_traditional = no; then
    # On some USL SVR4 systems, gcc's fixinc.svr4 modifies <signal.h> and
    # <sys/signal.h> in such a way that "#include <signal.h>" results in a
    # syntax error because of `sigset_t' if gcc is called with __STDC__=1
    # but __STRICT_ANSI__ undefined. Remedy: use -traditional.
    ac_prog='
#include <sys/types.h>
#include <signal.h>
int main() { exit(0); }'
    echo "$ac_prog" > conftest.c
    if eval $ac_link; then
      :
    else
      ac_prog='
#undef __STDC__
#include <sys/types.h>
#include <signal.h>
int main() { exit(0); }'
      echo "$ac_prog" > conftest.c
      if eval $ac_link; then
        ac_cv_prog_gcc_traditional=yes
      fi
    fi
    rm -f conftest*
  fi
fi
  echo "$ac_t""$ac_cv_prog_gcc_traditional" 1>&4
  if test $ac_cv_prog_gcc_traditional = yes; then
    CC="$CC -traditional"
  fi
fi

                      # 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

                      # 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 '${'cl_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
	    cl_cv_path_install="$ac_dir/$ac_prog -c"
	    break 2
	  fi
	fi
      done
      ;;
    esac
  done
  IFS="$ac_save_ifs"
  # As a last resort, use cp.
  test -z "$cl_cv_path_install" && cl_cv_path_install="cp"

fi
  INSTALL="$cl_cv_path_install"
fi
echo "$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='$(INSTALL)'
if test -z "$INSTALL_DATA"; then
  case "$INSTALL" in
    cp | */cp ) INSTALL_DATA='$(INSTALL)' ;;
    * )         INSTALL_DATA='$(INSTALL) -m 644' ;;
  esac
fi

                      echo $ac_n "checking for AIX""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_sys_aix'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
cat > conftest.$ac_ext <<EOF
#line 679 "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*
  ac_cv_sys_aix=yes
else
  rm -rf conftest*
  ac_cv_sys_aix=no
fi
rm -f conftest*

fi

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

fi

                      echo $ac_n "checking for POSIXized ISC""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_sys_isc_posix'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
if test -d /etc/conf/kconfig.d &&
  grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
then
  ac_cv_sys_isc_posix=yes
else
  ac_cv_sys_isc_posix=no
fi

fi

echo "$ac_t""$ac_cv_sys_isc_posix" 1>&4
if test $ac_cv_sys_isc_posix = yes; then
  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
  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 743 "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 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 787 "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

                      echo $ac_n "checking for inline""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_inline'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$GCC" = yes; then
cat > conftest.$ac_ext <<EOF
#line 861 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
} inline foo() {
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_cv_c_inline=yes
else
  rm -rf conftest*
  ac_cv_c_inline=__inline
fi
rm -f conftest*

else
  ac_cv_c_inline=no
fi
fi
echo "$ac_t""$ac_cv_c_inline" 1>&4
if test $ac_cv_c_inline != yes -a $ac_cv_c_inline != no; then
  cat >> confdefs.h <<EOF
#define inline $ac_cv_c_inline
EOF

fi

                      echo $ac_n "checking for working void""... $ac_c" 1>&4
if eval "test \"`echo '${'rl_cv_c_void'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
cat > conftest.$ac_ext <<EOF
#line 896 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
void f();
typedef void x; x g();
typedef void* y; y a;

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


fi

echo "$ac_t""$rl_cv_c_void" 1>&4
if test $rl_cv_c_void = yes; then
  :
else
  cat >> confdefs.h <<\EOF
#define void char
EOF

fi

                      echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&4
if eval "test \"`echo '${'cl_cv_header_stdc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
cat > conftest.$ac_ext <<EOF
#line 935 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
#include <limits.h>
EOF
eval "$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*
  cl_cv_header_stdc=yes
else
  echo "$ac_err" >&5
  rm -rf conftest*
  cl_cv_header_stdc=no
fi
rm -f conftest*

fi

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

fi


                      for ac_hdr in unistd.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 974 "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/file.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 1012 "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

if test $ac_cv_header_sys_file_h = yes; then
openflags_decl='#ifdef STDC_HEADERS
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <sys/types.h>
#include <unistd.h>
#endif
#include <fcntl.h>
'
openflags_prog='int x = O_RDWR | O_RDONLY | O_WRONLY | O_CREAT | O_TRUNC;'
echo $ac_n "checking for O_RDWR in fcntl.h""... $ac_c" 1>&4
if eval "test \"`echo '${'cl_cv_decl_O_RDWR_fcntl_h'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
cat > conftest.$ac_ext <<EOF
#line 1057 "configure"
#include "confdefs.h"
$openflags_decl
int main() { return 0; }
int t() {
$openflags_prog
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  cl_cv_decl_O_RDWR_fcntl_h=yes
else
  rm -rf conftest*
  cl_cv_decl_O_RDWR_fcntl_h=no
fi
rm -f conftest*


fi

echo "$ac_t""$cl_cv_decl_O_RDWR_fcntl_h" 1>&4
if test $cl_cv_decl_O_RDWR_fcntl_h = yes; then
  openflags_ok=1
fi
if test -z "$openflags_ok"; then
$openflags_decl#include <sys/file.h>, $openflags_prog,
cat >> confdefs.h <<\EOF
#define NEED_SYS_FILE_H 1
EOF

fi
fi

                      # If we cannot run a trivial program, we must be cross compiling.
echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_cross'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  if test "$cross_compiling" = yes; then
  ac_cv_cross=yes
else
cat > conftest.$ac_ext <<EOF
#line 1099 "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
if test -f core; then
  coredir=core`/bin/sh -c 'echo $$'`
  mkdir $coredir
  cp confdefs.h $coredir/confdefs.h
  mv conftest.c $coredir/conftest.c
  mv conftest $coredir/conftest
  mv core $coredir/core
  echo "warning: test program dumped core -- see subdirectory $coredir"
fi
fi
rm -fr conftest*
fi
cross_compiling=$ac_cv_c_cross
echo "$ac_t""$ac_cv_c_cross" 1>&4

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 1132 "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 "$ac_t""yes" 1>&4
  ac_header_dirent=$ac_hdr; break
else
  echo "$ac_t""no" 1>&4
fi

done
case "$ac_header_dirent" in
dirent.h) cat >> confdefs.h <<\EOF
#define DIRENT 1
EOF
 ;;
sys/ndir.h) cat >> confdefs.h <<\EOF
#define SYSNDIR 1
EOF
 ;;
sys/dir.h) cat >> confdefs.h <<\EOF
#define SYSDIR 1
EOF
 ;;
ndir.h) cat >> confdefs.h <<\EOF
#define NDIR 1
EOF
 ;;
esac
# 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 1186 "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 1220 "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 for closedir return value""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_closedir_void'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
if test "$cross_compiling" = yes; then
  # When cross-compiling, don't assume a return value.
ac_cv_func_closedir_void=yes
echo $ac_n "guessing $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1258 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_header_dirent>
int closedir(); main() { exit(closedir(opendir(".")) != 0); }
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_func_closedir_void=no
else
  ac_cv_func_closedir_void=yes
fi
if test -f core; then
  coredir=core`/bin/sh -c 'echo $$'`
  mkdir $coredir
  cp confdefs.h $coredir/confdefs.h
  mv conftest.c $coredir/conftest.c
  mv conftest $coredir/conftest
  mv core $coredir/core
  echo "warning: test program dumped core -- see subdirectory $coredir"
fi
fi
rm -fr conftest*
fi
if test $ac_cv_func_closedir_void = yes; then
  echo "$ac_t""void" 1>&4
  cat >> confdefs.h <<\EOF
#define VOID_CLOSEDIR 1
EOF

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

                      for ac_hdr in stdarg.h varargs.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 1300 "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 termios.h termio.h sys/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 1336 "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
if test $ac_cv_header_termios_h = yes; then
    for ac_func in tcgetattr tcflow
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 1371 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 1389 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char $ac_func(); 

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

$ac_func();

; 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
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 "$ac_t""no" 1>&4
fi
done
fi
for ac_hdr in sys/stream.h sys/ptem.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1434 "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
ioctl_decl='#ifdef STDC_HEADERS
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <sys/types.h>
#include <unistd.h>
#endif
#if defined(HAVE_TERMIOS_H) && defined(HAVE_TCGETATTR) && defined(HAVE_TCFLOW)
#include <termios.h>
#else
#if defined(HAVE_TERMIO_H) || defined(HAVE_SYS_TERMIO_H)
#ifdef HAVE_SYS_TERMIO_H
#include <sys/termio.h>
#else
#include <termio.h>
#endif
#else
#include <sgtty.h>
#include <sys/ioctl.h>
#endif
#endif
#ifdef HAVE_SYS_STREAM_H
#include <sys/stream.h>
#endif
#ifdef HAVE_SYS_PTEM_H
#include <sys/ptem.h>
#endif
'
ioctl_prog='int x = FIONREAD;'
echo $ac_n "checking for FIONREAD""... $ac_c" 1>&4
if eval "test \"`echo '${'cl_cv_decl_FIONREAD_termio_h'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
cat > conftest.$ac_ext <<EOF
#line 1496 "configure"
#include "confdefs.h"
$ioctl_decl
int main() { return 0; }
int t() {
$ioctl_prog
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  cl_cv_decl_FIONREAD_termio_h=yes
else
  rm -rf conftest*
  cl_cv_decl_FIONREAD_termio_h=no
fi
rm -f conftest*


fi

echo "$ac_t""$cl_cv_decl_FIONREAD_termio_h" 1>&4
if test $cl_cv_decl_FIONREAD_termio_h = yes; then
  ioctl_ok=1
fi
if test -z "$ioctl_ok"; then
echo $ac_n "checking for FIONREAD in sys/filio.h""... $ac_c" 1>&4
if eval "test \"`echo '${'cl_cv_decl_FIONREAD_sys_filio_h'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
cat > conftest.$ac_ext <<EOF
#line 1527 "configure"
#include "confdefs.h"
$ioctl_decl#include <sys/filio.h>
int main() { return 0; }
int t() {
$ioctl_prog
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  cl_cv_decl_FIONREAD_sys_filio_h=yes
else
  rm -rf conftest*
  cl_cv_decl_FIONREAD_sys_filio_h=no
fi
rm -f conftest*


fi

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

ioctl_ok=1
fi
fi
if test -z "$ioctl_ok"; then
echo $ac_n "checking for FIONREAD in sys/ioctl.h""... $ac_c" 1>&4
if eval "test \"`echo '${'cl_cv_decl_FIONREAD_sys_ioctl_h'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
cat > conftest.$ac_ext <<EOF
#line 1563 "configure"
#include "confdefs.h"
$ioctl_decl#include <sys/ioctl.h>
int main() { return 0; }
int t() {
$ioctl_prog
; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  cl_cv_decl_FIONREAD_sys_ioctl_h=yes
else
  rm -rf conftest*
  cl_cv_decl_FIONREAD_sys_ioctl_h=no
fi
rm -f conftest*


fi

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

ioctl_ok=1
fi
fi

                                                                                        for ac_func in select
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 1600 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 1618 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char $ac_func(); 

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

$ac_func();

; 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
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
if test $ac_cv_func_select = yes; then
echo $ac_n "checking for sys/select.h""... $ac_c" 1>&4
if eval "test \"`echo '${'cl_cv_header_sys_select_h'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
cat > conftest.$ac_ext <<EOF
#line 1661 "configure"
#include "confdefs.h"
#include <sys/time.h>
#include <sys/select.h>
int main() { return 0; }
int t() {

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


fi

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

fi
fi

                      # 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 1698 "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 1729 "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 1787 "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 1814 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func__getb67=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 1832 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char _getb67(); 

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

_getb67();

; 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
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 1870 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func_GETB67=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 1888 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char GETB67(); 

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

GETB67();

; 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
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 1926 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func_getb67=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 1944 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char getb67(); 

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

getb67();

; 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
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 1993 "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
if test -f core; then
  coredir=core`/bin/sh -c 'echo $$'`
  mkdir $coredir
  cp confdefs.h $coredir/confdefs.h
  mv conftest.c $coredir/conftest.c
  mv conftest $coredir/conftest
  mv core $coredir/core
  echo "warning: test program dumped core -- see subdirectory $coredir"
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_c_stack_direction" 1>&4
cat >> confdefs.h <<EOF
#define STACK_DIRECTION $ac_cv_c_stack_direction
EOF

fi

                      for ac_func in strchr strrchr strpbrk
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 2044 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 2062 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char $ac_func(); 

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

$ac_func();

; 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
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 return type of signal handlers""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 2101 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif

extern int (*signal ()) ();

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

; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  cl_cv_proto_signal_ret="int"
else
  rm -rf conftest*
  cl_cv_proto_signal_ret="void"
fi
rm -f conftest*


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

if test $cl_cv_proto_signal_ret = void; then
  cat >> confdefs.h <<\EOF
#define RETSIGTYPE_VOID 1
EOF

fi

                      signalblocks=""
echo $ac_n "checking for sighold""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_sighold'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2144 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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_sighold) || defined (__stub___sighold)
choke me
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func_sighold=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 2162 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char sighold(); 

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

sighold();

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

fi
rm -f conftest*

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

signalblocks="$signalblocks SystemV"
else
  echo "$ac_t""no" 1>&4
fi
cat > conftest.$ac_ext <<EOF
#line 2198 "configure"
#include "confdefs.h"
#include <signal.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "sigset_t" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  signals_not_posix=1
fi
rm -f conftest*
if test -z "$signals_not_posix"; then
echo $ac_n "checking for sigprocmask""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_sigprocmask'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2216 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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_sigprocmask) || defined (__stub___sigprocmask)
choke me
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func_sigprocmask=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 2234 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char sigprocmask(); 

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

sigprocmask();

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

fi
rm -f conftest*

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

signalblocks="$signalblocks POSIX"
else
  echo "$ac_t""no" 1>&4
fi
fi
echo $ac_n "checking for sigblock""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_sigblock'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2275 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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_sigblock) || defined (__stub___sigblock)
choke me
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func_sigblock=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 2293 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char sigblock(); 

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

sigblock();

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

fi
rm -f conftest*

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

signalblocks="$signalblocks BSD"
else
  echo "$ac_t""no" 1>&4
fi
echo $ac_n "checking for signal blocking interfaces""... $ac_c" 1>&4
if eval "test \"`echo '${'cl_cv_func_signalblocks'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
if test -z "$signalblocks"; then
  cl_cv_func_signalblocks="none"
else
  cl_cv_func_signalblocks=`echo $signalblocks`
fi

fi

echo "$ac_t""$cl_cv_func_signalblocks" 1>&4

                      case "$signalblocks" in
  *BSD*)
echo $ac_n "checking whether signals are blocked when signal handlers are entered""... $ac_c" 1>&4
if eval "test \"`echo '${'cl_cv_func_signal_blocked'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
if test "$cross_compiling" = yes; then
  cl_cv_func_signal_blocked="guessing yes"
else
cat > conftest.$ac_ext <<EOF
#line 2354 "configure"
#include "confdefs.h"

#ifdef STDC_HEADERS
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <signal.h>
int gotsig=0;
int wasblocked=0;
typedef RETSIGTYPE (*signal_handler) ();
RETSIGTYPE sigalrm_handler()
{ gotsig=1;
#ifdef SIGNAL_NEED_REINSTALL
  signal(SIGALRM,(signal_handler)sigalrm_handler);
#endif
#ifdef SIGNALBLOCK_POSIX
  { sigset_t blocked;
    sigprocmask(SIG_BLOCK, (sigset_t *) 0, &blocked);
    wasblocked = sigismember(&blocked,SIGALRM) ? 1 : 0;
  }
#else
  wasblocked = ((sigblock(0) & sigmask(SIGALRM)) != 0);
#endif
}
int got_sig () { return gotsig; }
main() { /* returns 0 if they need not to be unblocked */
  signal(SIGALRM,(signal_handler)sigalrm_handler); alarm(1); while (!got_sig());
  exit(wasblocked);
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  cl_cv_func_signal_blocked=no
else
  cl_cv_func_signal_blocked=yes
fi
if test -f core; then
  coredir=core`/bin/sh -c 'echo $$'`
  mkdir $coredir
  cp confdefs.h $coredir/confdefs.h
  mv conftest.c $coredir/conftest.c
  mv conftest $coredir/conftest
  mv core $coredir/core
  echo "warning: test program dumped core -- see subdirectory $coredir"
fi
fi
rm -fr conftest*

fi

echo "$ac_t""$cl_cv_func_signal_blocked" 1>&4
case "$cl_cv_func_signal_blocked" in
  *yes) cat >> confdefs.h <<\EOF
#define SIGNAL_NEED_UNBLOCK 1
EOF
 ;;
  *no) ;;
esac
  ;;
  *) ;;
esac

                      
echo $ac_n "checking for sigaction""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_sigaction'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2425 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* 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_sigaction) || defined (__stub___sigaction)
choke me
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "choke" >/dev/null 2>&1; then
  rm -rf conftest*
  eval "ac_cv_func_sigaction=no"
else
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 2443 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char sigaction(); 

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

sigaction();

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

fi
rm -f conftest*

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

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

                      echo $ac_n "checking for getpwuid declaration""... $ac_c" 1>&4
if eval "test \"`echo '${'cl_cv_proto_getpwuid'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 2484 "configure"
#include "confdefs.h"

#ifdef STDC_HEADERS
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <pwd.h>

extern 
#ifdef __STDC__
struct passwd * getpwuid (uid_t uid);
#else
struct passwd * getpwuid();
#endif

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

; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  cl_cv_proto_getpwuid_arg1="uid_t"
else
  rm -rf conftest*
  cl_cv_proto_getpwuid_arg1="int"
fi
rm -f conftest*



cl_cv_proto_getpwuid="extern struct passwd * getpwuid ($cl_cv_proto_getpwuid_arg1);"
fi

cl_cv_proto_getpwuid=`echo "$cl_cv_proto_getpwuid" | tr -s ' ' | sed -e 's/( /(/'`
echo "$ac_t""${ac_tt}$cl_cv_proto_getpwuid" 1>&4


cat >> confdefs.h <<EOF
#define GETPWUID_UID_T $cl_cv_proto_getpwuid_arg1
EOF


                      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

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

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

CEOF
EOF
cat >> $CONFIG_STATUS <<EOF

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

  # Adjust relative srcdir, etc. for subdirectories.

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

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

  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
" -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'
# ac_f turns "#define NAME" without trailing blanks into "#define NAME VALUE".
ac_fA='s%^\([ 	]*\)#\([ 	]*\)define\([ 	][ 	]*\)'
ac_fB='$%\1#\2define\3'
ac_fC=' '
ac_fD='%g'

CONFIG_HEADERS=${CONFIG_HEADERS-"config.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
s%ac_e%ac_f%gp
EOF
sed -n -f conftest.hdr confdefs.h > conftest.vals
rm -f conftest.hdr


# 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


