#!/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:
ac_help="$ac_help
--with-cc"
ac_help="$ac_help
--with-gcc"
ac_help="$ac_help
--with-acc"
ac_help="$ac_help
--with-lcc"
ac_help="$ac_help
--with-debug"

# 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=shlib_tcl.h

# 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


ac_aux_dir=
for ac_dir in .. $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 .. $srcdir/.." 1>&2; exit 1; }
fi
ac_config_guess=$ac_aux_dir/config.guess
ac_config_sub=$ac_aux_dir/config.sub
ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.

# Find a good install program.  We prefer a C program (faster),
# so one script is as good as another.  But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&4
if test -z "$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 "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

echo $ac_n "checking whether ln -s works""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_LN_S'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  rm -f conftestdata
if ln -s X conftestdata 2>/dev/null
then
  rm -f conftestdata
  ac_cv_prog_LN_S="ln -s"
else
  ac_cv_prog_LN_S=ln
fi
fi
LN_S="$ac_cv_prog_LN_S"
if test "$ac_cv_prog_LN_S" = "ln -s"; then
  echo "$ac_t""yes" 1>&4
else
  echo "$ac_t""no" 1>&4
fi

# -----------------------------------------------------------------------
# 	C compiler and debugging flags
# -----------------------------------------------------------------------
# Check whether --with-cc or --without-cc was given.
withval="$with_cc"
if test -n "$withval"; then
  CC=cc
fi

# Check whether --with-gcc or --without-gcc was given.
withval="$with_gcc"
if test -n "$withval"; then
  CC=gcc
fi

# Check whether --with-acc or --without-acc was given.
withval="$with_acc"
if test -n "$withval"; then
  CC=acc
fi

# Check whether --with-lcc or --without-lcc was given.
withval="$with_lcc"
if test -n "$withval"; then
  CC=lcc
fi

if test -z "$CC" ; then 
    CC=cc
fi


compiler=`basename $CC`
if test "$compiler" = "gcc" ; then
     GCCFLAGS="-fwritable-strings -Wall"
fi


CDEBUGFLAGS="-O"
# Check whether --with-debug or --without-debug was given.
withval="$with_debug"
if test -n "$withval"; then
  CDEBUGFLAGS=-g
fi


#-----------------------------
#------------------------------------------------------------------------
echo $ac_n "checking tcl source""... $ac_c" 1>&4
TCL_SRC=
for i in `ls -d ${srcdir}/../../tcl* 2>/dev/null` ${srcdir}/../../tcl ; do
    if test -f "$i/tclInt.h" ; then
      TCL_SRC=$i
    fi
done
if test x$TCL_SRC = x ; then
    TCL_SRC="# no TCL source found"
    echo "$ac_t"""      WARNING: Cannot find TCL source"" 1>&4
else
    echo "$ac_t"""        defining TCL_SRC to be $TCL_SRC"" 1>&4
fi

#-------------------------------------------------------------
# checking ARCH for shared library
# IRIX5, Solaris2, SunOs4, Linux, OSF, FreeBSD/NetBSD,
# HP/UX, DG/UX5, AIX3.2, SysV4 supported!
#--------------------------------------------------------
echo $ac_n "checking shared library architechure""... $ac_c" 1>&4

# 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


JUMP_DIR=
JUMP_LIB=
UNSHARED=
SHLIBSA=
SHLIBSA_DEP=
SHLIBSA_BLD=
INSTALL_SO=
INSTALL_SA=
OS_NAME=

case $host in
   *-*-irix5* )
	echo "$ac_t"""SGI IRIX 5 share librariy supported" " 1>&4
	PICFLAGS="-KPIC"
	SHLIBSO="$(BASE_NAME).so.$(VERMAX).$(VERMIN)"
	SHLIBSO_BLD="rm -f $SHLIBSO; ld -no_unresolved -shared -all -soname $(BASE_NAME).so  -set_version $(VERMAX).$(VERMIN) -o $SHLIBSO $(OBJS);"
	INSTALL_SO="if test ! -d $(LIB_DIR); then mkdir $(LIB_DIR); fi; $(INSTALL_DATA) $SHLIBSO $(LIB_DIR); (cd $(LIB_DIR); rm -f $(BASE_NAME).so; $(LN_S) $SHLIBSO $(BASE_NAME).so);"
       ;;
   *-*-solaris2* )
	echo "$ac_t"""Solaris 2 share librariy supported"" 1>&4
	PICFLAGS="-K pic" 
	SHLIBSO="$(BASE_NAME).so.$(VERMAX).$(VERMIN)"
	SHLIBSO_BLD="rm -f $SHLIBSO; /usr/ccs/bin/ld -G -z text -h $SHLIBSO -o $SHLIBSO $(OBJS);"
        INSTALL_SO="if test ! -d $(LIB_DIR); then mkdir $(LIB_DIR); fi; $(INSTALL_DATA) $SHLIBSO $(LIB_DIR); (cd $(LIB_DIR); rm -f $(BASE_NAME).so; $(LN_S) $SHLIBSO $(BASE_NAME).so);"
       ;;
   *-*-sunos4* ) 
        echo "$ac_t"""SUN OS 4 share librariy supported" " 1>&4
	UNSHARED="tclMtherr.o"
	PICFLAGS="-pic"
	SHLIBSO="$(BASE_NAME).so.$(VERMAX).$(VERMIN)"
	SHLIBSO_BLD="rm -f $SHLIBSO; ld -assert pure-text -o $SHLIBSO $(OBJS)"
	SHLIBSA="$(BASE_NAME).sa.$(VERMAX).$(VERMIN)"
	SHLIBSA_DEP="$SHLIBSA: $(UNSHAREDOBJS)"
	SHLIBSA_BLD="rm -f $SHLIBSA; ar cr $SHLIBSA $(UNSHAREDOBJS); $(RANLIB) $SHLIBSA;"
        INSTALL_SO="if test ! -d $(LIB_DIR); then mkdir $(LIB_DIR); fi; $(INSTALL_DATA) $SHLIBSO $(LIB_DIR)"
        INSTALL_SA="$(INSTALL_DATA) $SHLIBSA $(LIB_DIR); (cd $(LIB_DIR); $(RANLIB) $SHLIBSA);"
       ;;
   *-*-freebsd* | *-*-netbsd* ) 
        echo "$ac_t"""FreeBSD/NetBSD share librariy supported" " 1>&4
	SHLIBSO="$(BASE_NAME).so.$(VERMAX).$(VERMIN)"
	PICFLAGS="-fpic"
	SHLIBSO_BLD="rm -f $SHLIBSO; ld -Bshareable -Bforcearchive -o $SHLIBSO $(LIBEXPECT)"
        INSTALL_SO="if test ! -d $(LIB_DIR); then mkdir $(LIB_DIR); fi; $(INSTALL_DATA) $SHLIBSO $(LIB_DIR); (cd $(LIB_DIR); rm -f $(BASE_NAME).so; $(LN_S) $SHLIBSO $(BASE_NAME).so)"
       ;;
   *-*-dgux5* )
	echo "$ac_t"""DG/UX 5 share librariy supported"" 1>&4
	PICFLAGS="-K pic" 
	SHLIBSO="$(BASE_NAME).so.$(VERMAX).$(VERMIN)"
	SHLIBSO_BLD="rm -f $SHLIBSO; ld -G -z text -h $SHLIBSO -o $SHLIBSO $(LIBEXPECT);"
        INSTALL_SO="if test ! -d $(LIB_DIR); then mkdir $(LIB_DIR); fi; $(INSTALL_DATA) $SHLIBSO $(LIB_DIR); (cd $(LIB_DIR); rm -f $(BASE_NAME).so; $(LN_S) $SHLIBSO $(BASE_NAME).so);"
       ;;
   *-*-sysv5 )
	echo "$ac_t"""SysV4 share librariy supported"" 1>&4
	PICFLAGS="-K pic" 
	SHLIBSO="$(BASE_NAME).so.$(VERMAX).$(VERMIN)"
	SHLIBSO_BLD="rm -f $SHLIBSO; ld -G -z text -h $SHLIBSO -o $SHLIBSO $(LIBEXPECT);"
        INSTALL_SO="if test ! -d $(LIB_DIR); then mkdir $(LIB_DIR); fi; $(INSTALL_DATA) $SHLIBSO $(LIB_DIR); (cd $(LIB_DIR); rm -f $(BASE_NAME).so; $(LN_S) $SHLIBSO $(BASE_NAME).so);"
       ;;
   *-*-osf* ) 
      echo "$ac_t"""DEC Alpha OSF share library supported" " 1>&4
	PICFLAGS="-fpic"
	SHLIBSO="$(BASE_NAME).so.$(VERMAX).$(VERMIN)"
	SHLIBSO_BLD="rm -f $SHLIBSO; ld -soname $(BASE_NAME).so -shared -all -o $SHLIBSO $(OBJS) -none;"
        INSTALL_SO="if test ! -d $(LIB_DIR); then mkdir $(LIB_DIR); fi; $(INSTALL_DATA) $SHLIBSO $(LIB_DIR); (cd $(LIB_DIR); rm -f $(BASE_NAME).so; $(LN_S) $SHLIBSO $(BASE_NAME).so);"
       ;;
   *-*-hpux9* | *-*-hpux ) 
        echo "$ac_t"""HP-UX share library supported" " 1>&4
	PICFLAGS="+z"
	SHLIBSO="$(BASE_NAME).sl"
	SHLIBSO_BLD="rm -f $SHLIBSO; ld -b -n -o $SHLIBSO $(OBJS);"
        INSTALL_SO="if test ! -d $(LIB_DIR); then mkdir $(LIB_DIR); fi; $(INSTALL_DATA) $SHLIBSO $(LIB_DIR)"
       ;;
   *-*-aix3* )
        echo "$ac_t"""IBM RS6K AIX3 share library supported"" 1>&4
	PICFLAGS="-bM\:SRE"
	SHLIBSO="$(BASE_NAME).a"
	SHLIBSO_BLD='rm -f $(SHLIBSO); ar cr $(SHLIBSO)~ $(OBJS); dump -g $(SHLIBSO)~ | awk "$$1 > 0 && $$1 < 999999 && $$2 > 0 {print $$2}" > $(SHLIBSO).syms; ld -o shr.o $(SHLIBSO)~ -H512 -T512 -bM:SRE -bE:$(SHLIBSO).syms -lc -lm; rm -f $(SHLIBSO)~; ar cr $(SHLIBSO)~ shr.o; rm -f $(SHLIBSO).syms $(SHLIBSO) shr.o; mv $(SHLIBS)~ $(SHLIBSO)'
        INSTALL_SO="if test ! -d $(LIB_DIR); then mkdir $(LIB_DIR); fi; $(INSTALL_DATA) $SHLIBSO $(LIB_DIR)"
      ;;
   *-*-linux* )
        echo "$ac_t"""LINUX share library supported" " 1>&4
	OS_NAME="linux"
        JUMP_DIR="export JUMP_DIR=./jump"
        JUMP_LIB="export JUMP_LIB=\$(BASE_NAME)"
        PICFLAGS="-B/usr/dll/jump/"
        SHLIBSO="\$(BASE_NAME).so.\$(VERMAX).\$(VERMIN)"
        SHLIBSO_BLD="\$(CC) -c \$(CC_SWITCHES) \$(PICFLAGS) dummy.c; mkimage -l \$(BASE_NAME) -v \$(VERMAX).\$(VERMIN) -a 0x60c00000 -j 0x4000 -g 4096 --  \$(OBJS) dummy.o -lm `gcc --print-libgcc-file-name` -lc;"
        SHLIBSA="\$(BASE_NAME).sa"
        SHLIBSA_DEP="$SHLIBSA: \$(UNSHAREDOBJS)"
        SHLIBSA_BLD="mkstubs -l \$(BASE_NAME) -v \$(VERMAX).\$(VERMIN) -a 0x60c00000 -j 0x4000 -g 4096  -- \$(BASE_NAME);"
        INSTALL_SO="if test ! -d \$(LIB_DIR); then mkdir \$(LIB_DIR); fi; strip $SHLIBSO; \$(INSTALL_DATA) $SHLIBSO \$(LIB_DIR); (cd \$(LIB_DIR); rm -f \$(BASE_NAME).so.\$(VERMAX); \$(LN_S) $SHLIBSO \$(BASE_NAME).so.\$(VERMAX));"
        INSTALL_SA="\$(INSTALL_DATA) $SHLIBSA \$(LIB_DIR); (cd \$(LIB_DIR); \$(RANLIB) $SHLIBSA);"
       ;;
#
# add new platform here
# ...
#
   * )
      echo "$ac_t"""Shared libraries unsupported in platform $host!!!"" 1>&4
      PICFLAGS=
      SHLIBSO=
      INSTALL_SO=
      SHLIBSO_BLD=
      ;;
esac

if test x$CC = xgcc -a  x$OS_NAME != xlinux; then PICFLAGS="-fpic"; fi












#
#--------------------------------------------------------------------
#	Supply substitutes for missing POSIX library procedures, or
#	set flags so Tcl uses alternate procedures.
#--------------------------------------------------------------------

for ac_func in getcwd opendir strerror strncasecmp strstr
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 756 "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 "$ac_t""yes" 1>&4
  :
else
  echo "$ac_t""no" 1>&4
LIBOBJS="$LIBOBJS ${ac_func}.o"
fi

done

for ac_func in strtol tmpnam waitpid
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 803 "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 "$ac_t""yes" 1>&4
  :
else
  echo "$ac_t""no" 1>&4
LIBOBJS="$LIBOBJS ${ac_func}.o"
fi

done

echo $ac_n "checking for gettimeofday""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_gettimeofday'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 848 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char gettimeofday(); 

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_gettimeofday) || defined (__stub___gettimeofday)
choke me
#else
gettimeofday();
#endif

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

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

fi

echo $ac_n "checking for getwd""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_getwd'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 894 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char getwd(); 

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_getwd) || defined (__stub___getwd)
choke me
#else
getwd();
#endif

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

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

fi

echo $ac_n "checking for wait3""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_wait3'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 940 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char wait3(); 

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_wait3) || defined (__stub___wait3)
choke me
#else
wait3();
#endif

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  eval "ac_cv_func_wait3=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_wait3=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'wait3`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  :
else
  echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define NO_WAIT3 1
EOF

fi

#--------------------------------------------------------------------
#       On a few very rare systems, all of the libm.a stuff is
#       already in libc.a.  Set compiler flags accordingly.
#       Also, Linux requires the "ieee" library for math to work
#       right.
#--------------------------------------------------------------------

echo $ac_n "checking for sin""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_sin'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 993 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char sin(); 

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_sin) || defined (__stub___sin)
choke me
#else
sin();
#endif

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

fi
if eval "test \"`echo '$ac_cv_func_'sin`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  MATH_LIBS=""
else
  echo "$ac_t""no" 1>&4
MATH_LIBS="-lm"
fi


echo $ac_n "checking for -lieee""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_ieee'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  ac_save_LIBS="$LIBS"
LIBS="$LIBS -lieee "
cat > conftest.$ac_ext <<EOF
#line 1039 "configure"
#include "confdefs.h"

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

fi
if eval "test \"`echo '$ac_cv_lib_'ieee`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  MATH_LIBS="$MATH_LIBS -lieee"
else
  echo "$ac_t""no" 1>&4
fi


#--------------------------------------------------------------------
#	Supply substitutes for missing POSIX header files.  Special
#	notes:
#	    - Sprite's dirent.h exists but is bogus.
#	    - stdlib.h doesn't define strtol, strtoul, or
#	      strtod insome versions of SunOS
#	    - some versions of string.h don't declare procedures such
#	      as strstr
#--------------------------------------------------------------------

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 1091 "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 1105 "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

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 1136 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&4
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&4
fi
done

echo $ac_n "checking dirent.h""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1166 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <dirent.h>
int main() { return 0; }
int t() {

#ifndef _POSIX_SOURCE
#   ifdef __Lynx__
        /*
         * Generate compilation error to make the test fail:  Lynx headers
         * are only valid if really in the POSIX environment.
         */

        missing_procedure();
#   endif
#endif
DIR *d;
struct dirent *entryPtr;
char *p;
d = opendir("foobar");
entryPtr = readdir(d);
p = entryPtr->d_name;
closedir(d);

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  tcl_ok=1
else
  rm -rf conftest*
  tcl_ok=0
fi
rm -f conftest*

cat > conftest.$ac_ext <<EOF
#line 1203 "configure"
#include "confdefs.h"
#include <tcl_ok=0>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "Sprite version.* NOT POSIX" >/dev/null 2>&1; then
  :
fi
rm -f conftest*

if test $tcl_ok = 0; then
    cat >> confdefs.h <<\EOF
#define NO_DIRENT_H 1
EOF

fi
ac_safe=`echo "errno.h" | tr './\055' '___'`
echo $ac_n "checking for errno.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 1225 "configure"
#include "confdefs.h"
#include <errno.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 "$ac_t""yes" 1>&4
  :
else
  echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define NO_ERRNO_H 1
EOF

fi

ac_safe=`echo "float.h" | tr './\055' '___'`
echo $ac_n "checking for float.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 1258 "configure"
#include "confdefs.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 "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$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 "$ac_t""yes" 1>&4
  :
else
  echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define NO_FLOAT_H 1
EOF

fi

ac_safe=`echo "limits.h" | tr './\055' '___'`
echo $ac_n "checking for limits.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 1291 "configure"
#include "confdefs.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 "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$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 "$ac_t""yes" 1>&4
  :
else
  echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define NO_LIMITS_H 1
EOF

fi

ac_safe=`echo "stdlib.h" | tr './\055' '___'`
echo $ac_n "checking for stdlib.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 1324 "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 "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$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 "$ac_t""yes" 1>&4
  tcl_ok=1
else
  echo "$ac_t""no" 1>&4
tcl_ok=0
fi

cat > conftest.$ac_ext <<EOF
#line 1349 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "strtol" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  tcl_ok=0
fi
rm -f conftest*

cat > conftest.$ac_ext <<EOF
#line 1363 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "strtoul" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  tcl_ok=0
fi
rm -f conftest*

cat > conftest.$ac_ext <<EOF
#line 1377 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "strtod" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  tcl_ok=0
fi
rm -f conftest*

if test $tcl_ok = 0; then
    cat >> confdefs.h <<\EOF
#define NO_STDLIB_H 1
EOF

fi
ac_safe=`echo "string.h" | tr './\055' '___'`
echo $ac_n "checking for string.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 1402 "configure"
#include "confdefs.h"
#include <string.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 "$ac_t""yes" 1>&4
  tcl_ok=1
else
  echo "$ac_t""no" 1>&4
tcl_ok=0
fi

cat > conftest.$ac_ext <<EOF
#line 1427 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "strstr" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  tcl_ok=0
fi
rm -f conftest*

cat > conftest.$ac_ext <<EOF
#line 1441 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "strerror" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  tcl_ok=0
fi
rm -f conftest*

if test $tcl_ok = 0; then
    cat >> confdefs.h <<\EOF
#define NO_STRING_H 1
EOF

fi
ac_safe=`echo "sys/time.h" | tr './\055' '___'`
echo $ac_n "checking for sys/time.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 1466 "configure"
#include "confdefs.h"
#include <sys/time.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 "$ac_t""yes" 1>&4
  :
else
  echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define NO_SYS_TIME_H 1
EOF

fi

ac_safe=`echo "sys/wait.h" | tr './\055' '___'`
echo $ac_n "checking for sys/wait.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 1499 "configure"
#include "confdefs.h"
#include <sys/wait.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 "$ac_t""yes" 1>&4
  :
else
  echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define NO_SYS_WAIT_H 1
EOF

fi


#--------------------------------------------------------------------
#	On some systems strstr is broken: it returns a pointer even
#	even if the original string is empty.
#--------------------------------------------------------------------
echo $ac_n "checking "checking for strstr.o"""... $ac_c" 1>&4
# 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 1541 "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

if test "$cross_compiling" = yes; then
  echo "$ac_t"""No cross compiling"" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1561 "configure"
#include "confdefs.h"

extern int strstr();
int main()
{
    exit(strstr("\0test", "test") ? 1 : 0);
}

EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  LIBOBJS="$LIBOBJS strstr.o"
fi
fi
rm -fr conftest*

#--------------------------------------------------------------------
#	Check for strtoul function.  This is tricky because under some
#	versions of AIX strtoul returns an incorrect terminator
#	pointer for the string "0".
#--------------------------------------------------------------------

echo $ac_n "checking for strtoul""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_strtoul'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1591 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char strtoul(); 

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_strtoul) || defined (__stub___strtoul)
choke me
#else
strtoul();
#endif

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

fi
if eval "test \"`echo '$ac_cv_func_'strtoul`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  tcl_ok=1
else
  echo "$ac_t""no" 1>&4
tcl_ok=0
fi

if test "$cross_compiling" = yes; then
  echo "$ac_t"""No cross compiling"" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1633 "configure"
#include "confdefs.h"

extern int strtoul();
int main()
{
    char *string = "0";
    char *term;
    int value;
    value = strtoul(string, &term, 0);
    if ((value != 0) || (term != (string+1))) {
        exit(1);
    }
    exit(0);
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  tcl_ok=0
fi
fi
rm -fr conftest*
if test $tcl_ok = 0; then
    LIBOBJS="$LIBOBJS strtoul.o"
fi

#--------------------------------------------------------------------
#	Check for the strtod function.  This is tricky because under
#	some versions of Linux it mis-parses the string "+".
#--------------------------------------------------------------------

echo $ac_n "checking for strtod""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_strtod'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1671 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char strtod(); 

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_strtod) || defined (__stub___strtod)
choke me
#else
strtod();
#endif

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

fi
if eval "test \"`echo '$ac_cv_func_'strtod`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  tcl_ok=1
else
  echo "$ac_t""no" 1>&4
tcl_ok=0
fi

if test "$cross_compiling" = yes; then
  echo "$ac_t"""No cross compiling"" 1>&4 
else
cat > conftest.$ac_ext <<EOF
#line 1713 "configure"
#include "confdefs.h"

extern double strtod();
int main()
{
    char *string = "+";
    char *term;
    double value;
    value = strtod(string, &term);
    if (term != string) {
	exit(1);
    }
    exit(0);
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  tcl_ok=0
fi
fi
rm -fr conftest*
if test $tcl_ok = 0; then
    LIBOBJS="$LIBOBJS strtod.o"
fi

#--------------------------------------------------------------------
#	Check for various typedefs and provide substitutes if
#	they don't exist.
#--------------------------------------------------------------------

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 1751 "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 1773 "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 1791 "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 1812 "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

echo $ac_n "checking for mode_t""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_type_mode_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1846 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "mode_t" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_mode_t=yes
else
  rm -rf conftest*
  ac_cv_type_mode_t=no
fi
rm -f conftest*

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

fi

echo $ac_n "checking for pid_t""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_type_pid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1877 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "pid_t" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_pid_t=yes
else
  rm -rf conftest*
  ac_cv_type_pid_t=no
fi
rm -f conftest*

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

fi

echo $ac_n "checking for size_t""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_type_size_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1908 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "size_t" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_size_t=yes
else
  rm -rf conftest*
  ac_cv_type_size_t=no
fi
rm -f conftest*

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

fi

echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_type_uid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1939 "configure"
#include "confdefs.h"
#include <sys/types.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "uid_t" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_uid_t=yes
else
  rm -rf conftest*
  ac_cv_type_uid_t=no
fi
rm -f conftest*

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

  cat >> confdefs.h <<\EOF
#define gid_t int
EOF

fi


#--------------------------------------------------------------------
#	If a system doesn't have an opendir function (man, that's old!)
#	then we have to supply a different version of dirent.h which
#	is compatible with the substitute version of opendir that's
#	provided.  This version only works with V7-style directories.
#--------------------------------------------------------------------

echo $ac_n "checking for opendir""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_opendir'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  cat > conftest.$ac_ext <<EOF
#line 1979 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
/* Override any gcc2 internal prototype to avoid an error.  */
char opendir(); 

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_opendir) || defined (__stub___opendir)
choke me
#else
opendir();
#endif

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

fi
if eval "test \"`echo '$ac_cv_func_'opendir`\" = yes"; then
  echo "$ac_t""yes" 1>&4
  :
else
  echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define USE_DIRENT2_H 1
EOF

fi


#--------------------------------------------------------------------
#	Check for the existence of sys_errlist (this is only needed if
#	there's no strerror, but I don't know how to conditionalize the
#	check).
#--------------------------------------------------------------------
echo $ac_n "checking sys_errlist""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 2028 "configure"
#include "confdefs.h"

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

extern char *sys_errlist[];
extern int sys_nerr;
sys_errlist[sys_nerr-1][0] = 0;

; return 0; }
EOF
if eval $ac_link; then
  :
else
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define NO_SYS_ERRLIST 1
EOF

fi
rm -f conftest*


#--------------------------------------------------------------------
#	The check below checks whether <sys/wait.h> defines the type
#	"union wait" correctly.  It's needed because of weirdness in
#	HP-UX where "union wait" is defined in both the BSD and SYS-V
#	environments.  Checking the usability of WIFEXITED seems to do
#	the trick.
#--------------------------------------------------------------------
echo $ac_n "checking union wait""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 2061 "configure"
#include "confdefs.h"
#include <sys/types.h> 
#include <sys/wait.h>
int main() { return 0; }
int t() {

union wait x;
WIFEXITED(x);		/* Generates compiler error if WIFEXITED
			 * uses an int. */

; return 0; }
EOF
if eval $ac_link; then
  :
else
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define NO_UNION_WAIT 1
EOF

fi
rm -f conftest*


#--------------------------------------------------------------------
#	Check to see whether the system supports the matherr function
#	and its associated type "struct exception".
#--------------------------------------------------------------------
echo $ac_n "checking matherr support""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 2092 "configure"
#include "confdefs.h"
#include <math.h>
int main() { return 0; }
int t() {

struct exception x;
x.type = DOMAIN;
x.type = SING;

; return 0; }
EOF
if eval $ac_link; then
  rm -rf conftest*
  LIBOBJS="$LIBOBJS tclMtherr.o"; cat >> confdefs.h <<\EOF
#define NEED_MATHERR 1
EOF

fi
rm -f conftest*


#--------------------------------------------------------------------
#       Check to see whether the system provides a vfork kernel call.
#       If not, then use fork instead.
#--------------------------------------------------------------------
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 2123 "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


ac_safe=`echo "vfork.h" | tr './\055' '___'`
echo $ac_n "checking for vfork.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 2158 "configure"
#include "confdefs.h"
#include <vfork.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_VFORK_H 1
EOF

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

echo $ac_n "checking for working vfork""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_vfork'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&4
else
  
if test "$cross_compiling" = yes; then
  ac_cv_func_vfork=no
else
cat > conftest.$ac_ext <<EOF
#line 2193 "configure"
#include "confdefs.h"
/* Thanks to Paul Eggert for this test.  */
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_VFORK_H
#include <vfork.h>
#endif
/* On sparc systems, changes by the child to local and incoming
   argument registers are propagated back to the parent.
   The compiler is told about this with #include <vfork.h>,
   but some compilers (e.g. gcc -O) don't grok <vfork.h>.
   Test for this by using a static variable whose address
   is put into a register that is clobbered by the vfork.  */
static
#ifdef __cplusplus
sparc_address_test (int arg)
#else
sparc_address_test (arg) int arg;
#endif
{
  static pid_t child;
  if (!child) {
    child = vfork ();
    if (child < 0)
      perror ("vfork");
    if (!child) {
      arg = getpid();
      write(-1, "", 0);
      _exit (arg);
    }
  }
}
static int signalled;
static RETSIGTYPE catch (s) int s; { signalled = 1; }
main() {
  pid_t parent = getpid ();
  pid_t child;

  sparc_address_test ();

  signal (SIGINT, catch);

  child = vfork ();

  if (child == 0) {
    /* Here is another test for sparc vfork register problems.
       This test uses lots of local variables, at least
       as many local variables as main has allocated so far
       including compiler temporaries.  4 locals are enough for
       gcc 1.40.3 on a sparc, but we use 8 to be safe.
       A buggy compiler should reuse the register of parent
       for one of the local variables, since it will think that
       parent can't possibly be used any more in this routine.
       Assigning to the local variable will thus munge parent
       in the parent process.  */
    pid_t
      p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
      p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
    /* Convince the compiler that p..p7 are live; otherwise, it might
       use the same hardware register for all 8 local variables.  */
    if (p != p1 || p != p2 || p != p3 || p != p4
	|| p != p5 || p != p6 || p != p7)
      _exit(1);

    /* On some systems (e.g. SunOS 5.2), if the parent is catching
       a signal, the child ignores the signal before execing,
       and the parent later receives that signal, the parent dumps core.
       Test for this by ignoring SIGINT in the child.  */
    signal (SIGINT, SIG_IGN);

    /* On some systems (e.g. IRIX 3.3),
       vfork doesn't separate parent from child file descriptors.
       If the child closes a descriptor before it execs or exits,
       this munges the parent's descriptor as well.
       Test for this by closing stdout in the child.  */
    _exit(close(fileno(stdout)) != 0);
  } else {
    int status;
    struct stat st;

    while (wait(&status) != child)
      ;
    exit(
	 /* Was there some problem with vforking?  */
	 child < 0

	 /* Did the child fail?  (This shouldn't happen.)  */
	 || status

	 /* Did the vfork/compiler bug occur?  */
	 || parent != getpid()

	 /* Did the signal handling bug occur?  */
	 || kill(parent, SIGINT) != 0
	 || signalled != 1

	 /* Did the file descriptor bug occur?  */
	 || fstat(fileno(stdout), &st) != 0
	 );
  }
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_func_vfork=yes
else
  ac_cv_func_vfork=no
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_func_vfork" 1>&4
if test $ac_cv_func_vfork = no; then
  cat >> confdefs.h <<\EOF
#define vfork fork
EOF

fi


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

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

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

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

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

# 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


# 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 -f Makefile; 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%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@RANLIB@%$RANLIB%g
s%@LN_S@%$LN_S%g
s%@CC@%$CC%g
s%@GCCFLAGS@%$GCCFLAGS%g
s%@CDEBUGFLAGS@%$CDEBUGFLAGS%g
s%@TCL_SRC@%$TCL_SRC%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@%$host_os%g
s%@UNSHARED@%$UNSHARED%g
s%@PICFLAGS@%$PICFLAGS%g
s%@SHLIBSO@%$SHLIBSO%g
s%@SHLIBSO_BLD@%$SHLIBSO_BLD%g
s%@SHLIBSA@%$SHLIBSA%g
s%@SHLIBSA_DEP@%$SHLIBSA_DEP%g
s%@SHLIBSA_BLD@%$SHLIBSA_BLD%g
s%@JUMP_DIR@%$JUMP_DIR%g
s%@JUMP_LIB@%$JUMP_LIB%g
s%@INSTALL_SO@%$INSTALL_SO%g
s%@INSTALL_SA@%$INSTALL_SA%g
s%@LIBOBJS@%$LIBOBJS%g
s%@MATH_LIBS@%$MATH_LIBS%g
s%@CPP@%$CPP%g

CEOF
EOF
cat >> $CONFIG_STATUS <<EOF

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

  # Adjust relative srcdir, etc. for subdirectories.

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

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

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



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

