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20010503: McIDAS on Red Hat 7 (cont.)



>From: Wahner Paul Contr CSR4500 <address@hidden>
>Organization: Cape Canaveral Air Force Station
>Keywords: 200102121310.f1CDAFL23157 McIDAS-X Linux &

Paul,

>Now it's not to say I didn't do something wrong. But in an attempt to stay
>as close as possible to the distributed installation method, I put the new
>tclcomp.sh in ~mcidas/mcidas7.704/src. Then I made a new compressed tar file
>and then started my installation from scratch.  

I had another SSEC site contact me about getting McIDAS-X 7.7 to build
on Linux.  In reviewing the transaction I had with him, I found that
you need to also replace the configure (and configure.in if you want to
be really complete, but this is not necessary unless you plan on using
the GNU routine to remake configure).  file in the
~/mcidas7.704/tcl/unix directory.  Below, I have included this file for
you.  Roll this file into your new tar file and then start again.

Please see additional comments at the end of this email for more information.

-------------------- tcl/unix/configure -------------------------------------

#! /bin/sh

# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.9 
# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.

# Defaults:
ac_help=
ac_default_prefix=/usr/local
# Any additions from configure.in:
ac_help="$ac_help
  --enable-gcc            allow use of gcc if available"
ac_help="$ac_help
  --disable-load          disallow dynamic loading and "load" command"
ac_help="$ac_help
  --enable-symbols        build with debugging symbols"
ac_help="$ac_help
  --enable-shared         build libtcl as a shared library"

# Initialize some variables set by options.
# The variables have the same names as the options, with
# dashes changed to underlines.
build=NONE
cache_file=./config.cache
exec_prefix=NONE
host=NONE
no_create=
nonopt=NONE
no_recursion=
prefix=NONE
program_prefix=NONE
program_suffix=NONE
program_transform_name=s,x,x,
silent=
site=
srcdir=
target=NONE
verbose=
x_includes=NONE
x_libraries=NONE
bindir='${exec_prefix}/bin'
sbindir='${exec_prefix}/sbin'
libexecdir='${exec_prefix}/libexec'
datadir='${prefix}/share'
sysconfdir='${prefix}/etc'
sharedstatedir='${prefix}/com'
localstatedir='${prefix}/var'
libdir='${exec_prefix}/lib'
includedir='${prefix}/include'
oldincludedir='/usr/include'
infodir='${prefix}/info'
mandir='${prefix}/man'

# Initialize some other variables.
subdirs=
MFLAGS= MAKEFLAGS=

ac_prev=
for ac_option
do

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

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

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

  case "$ac_option" in

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

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

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

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

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

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

  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
  | --exec | --exe | --ex)
    ac_prev=exec_prefix ;;
  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
  | --exec=* | --exe=* | --ex=*)
    exec_prefix="$ac_optarg" ;;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  -version | --version | --versio | --versi | --vers)
    echo "configure generated by autoconf version 2.9"
    exit 0 ;;

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

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

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

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

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

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

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

  esac
done

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

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

# File descriptor usage:
# 0 standard input
# 1 file creation
# 2 errors and warnings
# 3 some systems may open it to /dev/tty
# 4 used on the Kubota Titan
# 6 checking for... messages and results
# 5 compiler messages saved in config.log
if test "$silent" = yes; then
  exec 6>/dev/null
else
  exec 6>&1
fi
exec 5>./config.log

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

# Strip out --no-create and --no-recursion so they do not pile up.
# Also quote any args containing shell metacharacters.
ac_configure_args=
for ac_arg
do
  case "$ac_arg" in
  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c) ;;
  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;;
  *" "*|*"      "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
  ac_configure_args="$ac_configure_args '$ac_arg'" ;;
  *) ac_configure_args="$ac_configure_args $ac_arg" ;;
  esac
done

# NLS nuisances.
# Only set 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=../generic/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} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 
1>&5'

if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
  # Stardent Vistra SVR4 grep lacks -e, says address@hidden
  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


# RCS: @(#) $Id: configure,v 1.8 1999/02/02 22:31:31 dglo Exp $

TCL_VERSION=8.0
TCL_MAJOR_VERSION=8
TCL_MINOR_VERSION=0
TCL_PATCH_LEVEL=".4"
VERSION=${TCL_VERSION}

if test "${prefix}" = "NONE"; then
    prefix=/usr/local
fi
if test "${exec_prefix}" = "NONE"; then
    exec_prefix=$prefix
fi
TCL_SRC_DIR=`cd $srcdir/..; pwd`

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

# Check whether --enable-gcc or --disable-gcc was given.
if test "${enable_gcc+set}" = set; then
  enableval="$enable_gcc"
  tcl_ok=$enableval
else
  tcl_ok=no
fi

if test "$tcl_ok" = "yes"; then
    # Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CC="gcc"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
  echo "$ac_t""$CC" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

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

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

echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.c <<EOF
#ifdef __GNUC__
  yes;
#endif
EOF
if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:663: \"$ac_try\") 
1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
  ac_cv_prog_gcc=yes
else
  ac_cv_prog_gcc=no
fi
fi

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

fi

echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
    if test $ac_cv_prog_gcc_g = yes; then
      CFLAGS="-g -O"
    else
      CFLAGS="-O"
    fi
  fi
else
  GCC=
  test "${CFLAGS+set}" = set || CFLAGS="-g"
fi

else
    CC=${CC-cc}

fi
# If we cannot run a trivial program, we must be cross compiling.
echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_c_cross=yes
else
cat > conftest.$ac_ext <<EOF
#line 713 "configure"
#include "confdefs.h"
main(){return(0);}
EOF
{ (eval echo configure:717: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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

echo "$ac_t""$ac_cv_c_cross" 1>&6
cross_compiling=$ac_cv_c_cross


# set the warning flags depending on whether or not we are using gcc
if test "${GCC}" = "yes" ; then
    CFLAGS_WARNING="-Wall -Wconversion"
else
    CFLAGS_WARNING=""
fi

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

# Check if Posix compliant getcwd exists, if not we'll use getwd.
for ac_func in getcwd
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 751 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
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 echo configure:773: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
  rm -rf conftest*
  eval "ac_cv_func_$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>&6
    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
  cat >> confdefs.h <<EOF
#define $ac_tr_func 1
EOF
 
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define USEGETWD 1
EOF

fi
done

# Nb: if getcwd uses popen and pwd(1) (like SunOS 4) we should really
# define USEGETWD even if the posix getcwd exists. Add a test ?

for ac_func in opendir strstr
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 809 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
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 echo configure:831: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
  rm -rf conftest*
  eval "ac_cv_func_$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 "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
LIBOBJS="$LIBOBJS ${ac_func}.o"
fi

done


for ac_func in strtol tmpnam waitpid
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 859 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
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 echo configure:881: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
  rm -rf conftest*
  eval "ac_cv_func_$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 "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
LIBOBJS="$LIBOBJS ${ac_func}.o"
fi

done

echo $ac_n "checking for strerror""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_strerror'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 906 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strerror(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
char strerror();

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_strerror) || defined (__stub___strerror)
choke me
#else
strerror();
#endif

; return 0; }
EOF
if { (eval echo configure:928: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
  rm -rf conftest*
  eval "ac_cv_func_strerror=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_strerror=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'strerror`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define NO_STRERROR 1
EOF

fi

echo $ac_n "checking for getwd""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_getwd'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 954 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char getwd(); below.  */
#include <assert.h>
/* 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 echo configure:976: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 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>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define NO_GETWD 1
EOF

fi

echo $ac_n "checking for wait3""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_wait3'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1002 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char wait3(); below.  */
#include <assert.h>
/* 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 echo configure:1024: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
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>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define NO_WAIT3 1
EOF

fi

echo $ac_n "checking for uname""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_uname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1050 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char uname(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
char uname();

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_uname) || defined (__stub___uname)
choke me
#else
uname();
#endif

; return 0; }
EOF
if { (eval echo configure:1072: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_func_uname=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_uname=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'uname`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define NO_UNAME 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 (and it must appear before "-lm").
#--------------------------------------------------------------------

echo $ac_n "checking for sin""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_sin'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1106 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char sin(); below.  */
#include <assert.h>
/* 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 echo configure:1128: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
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>&6
  MATH_LIBS=""
else
  echo "$ac_t""no" 1>&6
MATH_LIBS="-lm"
fi

echo $ac_n "checking for -lieee""... $ac_c" 1>&6
ac_lib_var=`echo ieee_main | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lieee  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1154 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char main();

int main() { return 0; }
int t() {
main()
; return 0; }
EOF
if { (eval echo configure:1164: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

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


#--------------------------------------------------------------------
#       On AIX systems, libbsd.a has to be linked in to support
#       non-blocking file IO.  This library has to be linked in after
#       the MATH_LIBS or it breaks the pow() function.  The way to
#       insure proper sequencing, is to add it to the tail of MATH_LIBS.
#        This library also supplies gettimeofday.
#--------------------------------------------------------------------
libbsd=no
if test "`uname -s`" = "AIX" ; then
    echo $ac_n "checking for -lbsd""... $ac_c" 1>&6
ac_lib_var=`echo bsd_gettimeofday | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lbsd  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1200 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char gettimeofday();

int main() { return 0; }
int t() {
gettimeofday()
; return 0; }
EOF
if { (eval echo configure:1210: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

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

    if test $libbsd = yes; then
        MATH_LIBS="$MATH_LIBS -lbsd"
    fi
fi

#--------------------------------------------------------------------
#       Supply substitutes for missing POSIX header files.  Special
#       notes:
#           - 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 dirent.h""... $ac_c" 1>&6
cat > conftest.$ac_ext <<EOF
#line 1244 "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 echo configure:1271: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  tcl_ok=yes
else
  rm -rf conftest*
  tcl_ok=no
fi
rm -f conftest*

if test $tcl_ok = no; then
    cat >> confdefs.h <<\EOF
#define NO_DIRENT_H 1
EOF

fi
echo "$ac_t""$tcl_ok" 1>&6
echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
  CPP=
fi
if test -z "$CPP"; then
if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and "${CC-cc}" will confuse make.
  CPP="${CC-cc} -E"
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp.
  cat > conftest.$ac_ext <<EOF
#line 1302 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1308: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  rm -rf conftest*
  CPP="${CC-cc} -E -traditional-cpp"
  cat > conftest.$ac_ext <<EOF
#line 1317 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1323: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
rm -f conftest*
  ac_cv_prog_CPP="$CPP"
fi
  CPP="$ac_cv_prog_CPP"
else
  ac_cv_prog_CPP="$CPP"
fi
echo "$ac_t""$CPP" 1>&6

ac_safe=`echo "errno.h" | tr './\055' '___'`
echo $ac_n "checking for errno.h""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1349 "configure"
#include "confdefs.h"
#include <errno.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1354: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
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""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1383 "configure"
#include "confdefs.h"
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1388: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define NO_FLOAT_H 1
EOF

fi

ac_safe=`echo "values.h" | tr './\055' '___'`
echo $ac_n "checking for values.h""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1417 "configure"
#include "confdefs.h"
#include <values.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1422: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define NO_VALUES_H 1
EOF

fi

ac_safe=`echo "limits.h" | tr './\055' '___'`
echo $ac_n "checking for limits.h""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1451 "configure"
#include "confdefs.h"
#include <limits.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1456: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
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""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1485 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1490: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tcl_ok=1
else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

cat > conftest.$ac_ext <<EOF
#line 1511 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$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.$ac_ext <<EOF
#line 1525 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$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.$ac_ext <<EOF
#line 1539 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$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""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1564 "configure"
#include "confdefs.h"
#include <string.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1569: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tcl_ok=1
else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

cat > conftest.$ac_ext <<EOF
#line 1590 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$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.$ac_ext <<EOF
#line 1604 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$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/wait.h" | tr './\055' '___'`
echo $ac_n "checking for sys/wait.h""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1629 "configure"
#include "confdefs.h"
#include <sys/wait.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1634: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define NO_SYS_WAIT_H 1
EOF

fi

ac_safe=`echo "dlfcn.h" | tr './\055' '___'`
echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1663 "configure"
#include "confdefs.h"
#include <dlfcn.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1668: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define NO_DLFCN_H 1
EOF

fi

for ac_hdr in unistd.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1699 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1704: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr 'abcdefghijklmnopqrstuvwxyz./\055' 
'ABCDEFGHIJKLMNOPQRSTUVWXYZ___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done


#---------------------------------------------------------------------------
#       Determine which interface to use to talk to the serial port.
#       Note that #include lines must begin in leftmost column for
#       some compilers to recognize them as preprocessor directives.
#---------------------------------------------------------------------------

echo $ac_n "checking termios vs. termio vs. sgtty""... $ac_c" 1>&6
if test "$cross_compiling" = yes; then
  tk_ok=no
else
cat > conftest.$ac_ext <<EOF
#line 1740 "configure"
#include "confdefs.h"

#include <termios.h>

main()
{
    struct termios t;
    if (tcgetattr(0, &t) == 0) {
        cfsetospeed(&t, 0);
        t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
        return 0;
    }
    return 1;
}
EOF
{ (eval echo configure:1756: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  tk_ok=termios
else
  tk_ok=no
fi
fi
rm -fr conftest*
if test $tk_ok = termios; then
    cat >> confdefs.h <<\EOF
#define USE_TERMIOS 1
EOF

else
if test "$cross_compiling" = yes; then
  tk_ok=no
else
cat > conftest.$ac_ext <<EOF
#line 1774 "configure"
#include "confdefs.h"

#include <termio.h>

main()
{
    struct termio t;
    if (ioctl(0, TCGETA, &t) == 0) {
        t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
        return 0;
    }
    return 1;
}
EOF
{ (eval echo configure:1789: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  tk_ok=termio
else
  tk_ok=no
fi
fi
rm -fr conftest*
if test $tk_ok = termio; then
    cat >> confdefs.h <<\EOF
#define USE_TERMIO 1
EOF

else
if test "$cross_compiling" = yes; then
  tk_ok=none
else
cat > conftest.$ac_ext <<EOF
#line 1807 "configure"
#include "confdefs.h"

#include <sgtty.h>

main()
{
    struct sgttyb t;
    if (ioctl(0, TIOCGETP, &t) == 0) {
        t.sg_ospeed = 0;
        t.sg_flags |= ODDP | EVENP | RAW;
        return 0;
    }
    return 1;
}
EOF
{ (eval echo configure:1823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  tk_ok=sgtty
else
  tk_ok=none
fi
fi
rm -fr conftest*
if test $tk_ok = sgtty; then
    cat >> confdefs.h <<\EOF
#define USE_SGTTY 1
EOF

fi
fi
fi
echo "$ac_t""$tk_ok" 1>&6

#--------------------------------------------------------------------
#       Include sys/select.h if it exists and if it supplies things
#       that appear to be useful and aren't already in sys/types.h.
#       This appears to be true only on the RS/6000 under AIX.  Some
#       systems like OSF/1 have a sys/select.h that's of no use, and
#       other systems like SCO UNIX have a sys/select.h that's
#       pernicious.  If "fd_set" isn't defined anywhere then set a
#       special flag.
#--------------------------------------------------------------------

echo $ac_n "checking fd_set and sys/select""... $ac_c" 1>&6
cat > conftest.$ac_ext <<EOF
#line 1853 "configure"
#include "confdefs.h"
#include <sys/types.h>
int main() { return 0; }
int t() {
fd_set readMask, writeMask;
; return 0; }
EOF
if { (eval echo configure:1861: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  tk_ok=yes
else
  rm -rf conftest*
  tk_ok=no
fi
rm -f conftest*

if test $tk_ok = no; then
    cat > conftest.$ac_ext <<EOF
#line 1872 "configure"
#include "confdefs.h"
#include <sys/select.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "fd_mask" >/dev/null 2>&1; then
  rm -rf conftest*
  tk_ok=yes
fi
rm -f conftest*

    if test $tk_ok = yes; then
        cat >> confdefs.h <<\EOF
#define HAVE_SYS_SELECT_H 1
EOF

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

fi

#------------------------------------------------------------------------------
#       Find out all about time handling differences.
#------------------------------------------------------------------------------

for ac_hdr in sys/time.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1910 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1915: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr 'abcdefghijklmnopqrstuvwxyz./\055' 
'ABCDEFGHIJKLMNOPQRSTUVWXYZ___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done

echo $ac_n "checking whether time.h and sys/time.h may both be included""... 
$ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1944 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>
int main() { return 0; }
int t() {
struct tm *tp;
; return 0; }
EOF
if { (eval echo configure:1954: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  ac_cv_header_time=yes
else
  rm -rf conftest*
  ac_cv_header_time=no
fi
rm -f conftest*

fi

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

fi

echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 
1>&6
if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1978 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <time.h>
int main() { return 0; }
int t() {
struct tm *tp; tp->tm_sec;
; return 0; }
EOF
if { (eval echo configure:1987: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  ac_cv_struct_tm=time.h
else
  rm -rf conftest*
  ac_cv_struct_tm=sys/time.h
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_struct_tm" 1>&6
if test $ac_cv_struct_tm = sys/time.h; then
  cat >> confdefs.h <<\EOF
#define TM_IN_SYS_TIME 1
EOF

fi

echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2011 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_cv_struct_tm>
int main() { return 0; }
int t() {
struct tm tm; tm.tm_zone;
; return 0; }
EOF
if { (eval echo configure:2020: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  ac_cv_struct_tm_zone=yes
else
  rm -rf conftest*
  ac_cv_struct_tm_zone=no
fi
rm -f conftest*

fi

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

else
  echo $ac_n "checking for tzname""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2043 "configure"
#include "confdefs.h"
#include <time.h>
#ifndef tzname /* For SGI.  */
extern char *tzname[]; /* RS6000 and others reject char **tzname.  */
#endif
int main() { return 0; }
int t() {
atoi(*tzname);
; return 0; }
EOF
if { (eval echo configure:2054: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  ac_cv_var_tzname=yes
else
  rm -rf conftest*
  ac_cv_var_tzname=no
fi
rm -f conftest*

fi

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

  fi
fi


echo $ac_n "checking tm_tzadj in struct tm""... $ac_c" 1>&6
cat > conftest.$ac_ext <<EOF
#line 2077 "configure"
#include "confdefs.h"
#include <time.h>
int main() { return 0; }
int t() {
struct tm tm; tm.tm_tzadj;
; return 0; }
EOF
if { (eval echo configure:2085: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define HAVE_TM_TZADJ 1
EOF

         echo "$ac_t""yes" 1>&6
else
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*


echo $ac_n "checking tm_gmtoff in struct tm""... $ac_c" 1>&6
cat > conftest.$ac_ext <<EOF
#line 2101 "configure"
#include "confdefs.h"
#include <time.h>
int main() { return 0; }
int t() {
struct tm tm; tm.tm_gmtoff;
; return 0; }
EOF
if { (eval echo configure:2109: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define HAVE_TM_GMTOFF 1
EOF

         echo "$ac_t""yes" 1>&6
else
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*


#
# Its important to include time.h in this check, as some systems (like convex)
# have timezone functions, etc.
#
have_timezone=no
echo $ac_n "checking long timezone variable""... $ac_c" 1>&6
cat > conftest.$ac_ext <<EOF
#line 2130 "configure"
#include "confdefs.h"
#include <time.h>
int main() { return 0; }
int t() {
extern long timezone;
         timezone += 1;
         exit (0);
; return 0; }
EOF
if { (eval echo configure:2140: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  have_timezone=yes
         cat >> confdefs.h <<\EOF
#define HAVE_TIMEZONE_VAR 1
EOF

         echo "$ac_t""yes" 1>&6
else
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*


#
# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
#
if test "$have_timezone" = no; then
   echo $ac_n "checking time_t timezone variable""... $ac_c" 1>&6
   cat > conftest.$ac_ext <<EOF
#line 2161 "configure"
#include "confdefs.h"
#include <time.h>
int main() { return 0; }
int t() {
extern time_t timezone;
         timezone += 1;
         exit (0);
; return 0; }
EOF
if { (eval echo configure:2171: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define HAVE_TIMEZONE_VAR 1
EOF

         echo "$ac_t""yes" 1>&6
else
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*

fi

#
# AIX does not have a timezone field in struct tm. When the AIX bsd
# library is used, the timezone global and the gettimeofday methods are
# to be avoided for timezone deduction instead, we deduce the timezone
# by comparing the localtime result on a known GMT value.
#
if test $libbsd = yes; then
    cat >> confdefs.h <<\EOF
#define USE_DELTA_FOR_TZ 1
EOF

fi

#--------------------------------------------------------------------
#       Some systems (e.g., IRIX 4.0.5) lack the st_blksize field
#       in struct stat.
#--------------------------------------------------------------------
echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2208 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
int main() { return 0; }
int t() {
struct stat s; s.st_blksize;
; return 0; }
EOF
if { (eval echo configure:2217: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  ac_cv_struct_st_blksize=yes
else
  rm -rf conftest*
  ac_cv_struct_st_blksize=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_struct_st_blksize" 1>&6
if test $ac_cv_struct_st_blksize = yes; then
  cat >> confdefs.h <<\EOF
#define HAVE_ST_BLKSIZE 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 proper strstr implementation""... $ac_c" 1>&6
if test "$cross_compiling" = yes; then
  tcl_ok=no
else
cat > conftest.$ac_ext <<EOF
#line 2247 "configure"
#include "confdefs.h"

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

EOF
{ (eval echo configure:2257: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  tcl_ok=yes
else
  tcl_ok=no
fi
fi
rm -fr conftest*
if test $tcl_ok = yes; then
    echo "$ac_t""yes" 1>&6
else
    echo "$ac_t""broken, using substitute" 1>&6
    LIBOBJS="$LIBOBJS strstr.o"
fi

#--------------------------------------------------------------------
#       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""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_strtoul'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2283 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strtoul(); below.  */
#include <assert.h>
/* 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 echo configure:2305: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
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>&6
  tcl_ok=1
else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

if test "$cross_compiling" = yes; then
  tcl_ok=0
else
cat > conftest.$ac_ext <<EOF
#line 2327 "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 echo configure:2343: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  tcl_ok=0
fi
fi
rm -fr conftest*
if test "$tcl_ok" = 0; then
    test -n "$verbose" && echo "        Adding strtoul.o."
    LIBOBJS="$LIBOBJS strtoul.o"
fi

#--------------------------------------------------------------------
#       Check for the strtod function.  This is tricky because in some
#       versions of Linux strtod mis-parses strings starting with "+".
#--------------------------------------------------------------------

echo $ac_n "checking for strtod""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2366 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strtod(); below.  */
#include <assert.h>
/* 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 echo configure:2388: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
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>&6
  tcl_ok=1
else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

if test "$cross_compiling" = yes; then
  tcl_ok=0
else
cat > conftest.$ac_ext <<EOF
#line 2410 "configure"
#include "confdefs.h"

extern double strtod();
int main()
{
    char *string = " +69";
    char *term;
    double value;
    value = strtod(string, &term);
    if ((value != 69) || (term != (string+4))) {
        exit(1);
    }
    exit(0);
}
EOF
{ (eval echo configure:2426: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  :
else
  tcl_ok=0
fi
fi
rm -fr conftest*
if test "$tcl_ok" = 0; then
    test -n "$verbose" && echo "        Adding strtod.o."
    LIBOBJS="$LIBOBJS strtod.o"
fi

#--------------------------------------------------------------------
#       Under Solaris 2.4, strtod returns the wrong value for the
#       terminating character under some conditions.  Check for this
#       and if the problem exists use a substitute procedure
#       "fixstrtod" that corrects the error.
#--------------------------------------------------------------------

echo $ac_n "checking for strtod""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2451 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strtod(); below.  */
#include <assert.h>
/* 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 echo configure:2473: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
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>&6
  tcl_strtod=1
else
  echo "$ac_t""no" 1>&6
tcl_strtod=0
fi

if test "$tcl_strtod" = 1; then
    echo $ac_n "checking for Solaris strtod bug""... $ac_c" 1>&6
    if test "$cross_compiling" = yes; then
  tcl_ok=0
else
cat > conftest.$ac_ext <<EOF
#line 2497 "configure"
#include "confdefs.h"

extern double strtod();
int main()
{
    char *string = "NaN";
    char *term;
    strtod(string, &term);
    if ((term != string) && (term[-1] == 0)) {
        exit(1);
    }
    exit(0);
}
EOF
{ (eval echo configure:2512: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  tcl_ok=1
else
  tcl_ok=0
fi
fi
rm -fr conftest*
    if test $tcl_ok = 1; then
        echo "$ac_t""ok" 1>&6
    else
        echo "$ac_t""buggy" 1>&6
        LIBOBJS="$LIBOBJS fixstrtod.o"
        cat >> confdefs.h <<\EOF
#define strtod fixstrtod
EOF

    fi
fi

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

echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2542 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2550: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$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 2565 "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 2583 "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
  :
else
cat > conftest.$ac_ext <<EOF
#line 2604 "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 echo configure:2615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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>&6
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""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2639 "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>&6
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""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2670 "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>&6
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""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2701 "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>&6
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""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2732 "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>&6
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""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_opendir'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2773 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char opendir(); below.  */
#include <assert.h>
/* 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 echo configure:2795: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
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>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define USE_DIRENT2_H 1
EOF

fi


#--------------------------------------------------------------------
#       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""... $ac_c" 1>&6
cat > conftest.$ac_ext <<EOF
#line 2827 "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 echo configure:2840: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  tcl_ok=yes
else
  rm -rf conftest*
  tcl_ok=no
fi
rm -f conftest*

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

fi

#--------------------------------------------------------------------
#       Check to see whether the system supports the matherr function
#       and its associated type "struct exception".
#--------------------------------------------------------------------

echo $ac_n "checking matherr support""... $ac_c" 1>&6
cat > conftest.$ac_ext <<EOF
#line 2864 "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 echo configure:2876: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  tcl_ok=yes
else
  rm -rf conftest*
  tcl_ok=no
fi
rm -f conftest*

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

fi

#--------------------------------------------------------------------
#       Check to see whether the system provides a vfork kernel call.
#       If not, then use fork instead.  Also, check for a problem with
#       vforks and signals that can cause core dumps if a vforked child
#       resets a signal handler.  If the problem exists, then use fork
#       instead of vfork.
#--------------------------------------------------------------------

echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2906 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif
#ifdef __cplusplus
extern "C" void (*signal (int, void (*)(int)))(int);
#else
void (*signal ()) ();
#endif

int main() { return 0; }
int t() {
int i;
; return 0; }
EOF
if { (eval echo configure:2924: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; 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>&6
cat >> confdefs.h <<EOF
#define RETSIGTYPE $ac_cv_type_signal
EOF


echo $ac_n "checking for vfork""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_vfork'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2946 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char vfork(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
char vfork();

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_vfork) || defined (__stub___vfork)
choke me
#else
vfork();
#endif

; return 0; }
EOF
if { (eval echo configure:2968: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_func_vfork=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_vfork=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'vfork`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tcl_ok=1
else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

if test "$tcl_ok" = 1; then
    echo $ac_n "checking vfork/signal bug""... $ac_c" 1>&6;
    if test "$cross_compiling" = yes; then
  tcl_ok=0
else
cat > conftest.$ac_ext <<EOF
#line 2992 "configure"
#include "confdefs.h"

#include <stdio.h>
#include <signal.h>
#include <sys/wait.h>
int gotSignal = 0;
sigProc(sig)
    int sig;
{
    gotSignal = 1;
}
main()
{
    int pid, sts;
    (void) signal(SIGCHLD, sigProc);
    pid = vfork();
    if (pid <  0) {
        exit(1);
    } else if (pid == 0) {
        (void) signal(SIGCHLD, SIG_DFL);
        _exit(0);
    } else {
        (void) wait(&sts);
    }
    exit((gotSignal) ? 0 : 1);
}
EOF
{ (eval echo configure:3020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  tcl_ok=1
else
  tcl_ok=0
fi
fi
rm -fr conftest*
    if test "$tcl_ok" = 1; then
        echo "$ac_t""ok" 1>&6
    else
        echo "$ac_t""buggy, using fork instead" 1>&6
    fi
fi
rm -f core
if test "$tcl_ok" = 0; then
    cat >> confdefs.h <<\EOF
#define vfork fork
EOF

fi

#--------------------------------------------------------------------
#       Check whether there is an strncasecmp function on this system.
#       This is a bit tricky because under SCO it's in -lsocket and
#       under Sequent Dynix it's in -linet.
#--------------------------------------------------------------------

echo $ac_n "checking for strncasecmp""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_strncasecmp'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3053 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strncasecmp(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
char strncasecmp();

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_strncasecmp) || defined (__stub___strncasecmp)
choke me
#else
strncasecmp();
#endif

; return 0; }
EOF
if { (eval echo configure:3075: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_func_strncasecmp=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_strncasecmp=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'strncasecmp`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tcl_ok=1
else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

if test "$tcl_ok" = 0; then
    echo $ac_n "checking for -lsocket""... $ac_c" 1>&6
ac_lib_var=`echo socket_strncasecmp | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lsocket  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3102 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char strncasecmp();

int main() { return 0; }
int t() {
strncasecmp()
; return 0; }
EOF
if { (eval echo configure:3112: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tcl_ok=1
else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

fi
if test "$tcl_ok" = 0; then
    echo $ac_n "checking for -linet""... $ac_c" 1>&6
ac_lib_var=`echo inet_strncasecmp | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-linet  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3141 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char strncasecmp();

int main() { return 0; }
int t() {
strncasecmp()
; return 0; }
EOF
if { (eval echo configure:3151: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tcl_ok=1
else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

fi
if test "$tcl_ok" = 0; then
    LIBOBJS="$LIBOBJS strncasecmp.o"
fi

#--------------------------------------------------------------------
#       The code below deals with several issues related to gettimeofday:
#       1. Some systems don't provide a gettimeofday function at all
#          (set NO_GETTOD if this is the case).
#       2. SGI systems don't use the BSD form of the gettimeofday function,
#          but they have a BSDgettimeofday function that can be used instead.
#       3. See if gettimeofday is declared in the <sys/time.h> header file.
#          if not, set the GETTOD_NOT_DECLARED flag so that tclPort.h can
#          declare it.
#--------------------------------------------------------------------

echo $ac_n "checking for BSDgettimeofday""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_BSDgettimeofday'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3191 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char BSDgettimeofday(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
char BSDgettimeofday();

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_BSDgettimeofday) || defined (__stub___BSDgettimeofday)
choke me
#else
BSDgettimeofday();
#endif

; return 0; }
EOF
if { (eval echo configure:3213: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_func_BSDgettimeofday=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_BSDgettimeofday=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'BSDgettimeofday`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  cat >> confdefs.h <<\EOF
#define HAVE_BSDGETTIMEOFDAY 1
EOF

else
  echo "$ac_t""no" 1>&6
echo $ac_n "checking for gettimeofday""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_gettimeofday'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3236 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char gettimeofday(); below.  */
#include <assert.h>
/* 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 echo configure:3258: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
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>&6
  :
else
  echo "$ac_t""no" 1>&6
cat >> confdefs.h <<\EOF
#define NO_GETTOD 1
EOF

fi

fi

echo $ac_n "checking for gettimeofday declaration""... $ac_c" 1>&6
cat > conftest.$ac_ext <<EOF
#line 3283 "configure"
#include "confdefs.h"
#include <sys/time.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "gettimeofday" >/dev/null 2>&1; then
  rm -rf conftest*
  echo "$ac_t""present" 1>&6
else
  rm -rf conftest*
  
    echo "$ac_t""missing" 1>&6
    cat >> confdefs.h <<\EOF
#define GETTOD_NOT_DECLARED 1
EOF


fi
rm -f conftest*


#--------------------------------------------------------------------
#       Interactive UNIX requires -linet instead of -lsocket, plus it
#       needs net/errno.h to define the socket-related error codes.
#--------------------------------------------------------------------

echo $ac_n "checking for -linet""... $ac_c" 1>&6
ac_lib_var=`echo inet_main | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-linet  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3317 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char main();

int main() { return 0; }
int t() {
main()
; return 0; }
EOF
if { (eval echo configure:3327: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

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

ac_safe=`echo "net/errno.h" | tr './\055' '___'`
echo $ac_n "checking for net/errno.h""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3351 "configure"
#include "confdefs.h"
#include <net/errno.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:3356: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  cat >> confdefs.h <<\EOF
#define HAVE_NET_ERRNO_H 1
EOF

else
  echo "$ac_t""no" 1>&6
fi


#--------------------------------------------------------------------
#       The following code checks to see whether it is possible to get
#       signed chars on this platform.  This is needed in order to
#       properly generate sign-extended ints from character values.
#--------------------------------------------------------------------

echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$GCC" = yes; then
  # GCC predefines this symbol on systems where it applies.
cat > conftest.$ac_ext <<EOF
#line 3392 "configure"
#include "confdefs.h"
#ifdef __CHAR_UNSIGNED__
  yes
#endif

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

else
if test "$cross_compiling" = yes; then
    { echo "configure: error: can not run test program while cross compiling" 
1>&2; exit 1; }
else
cat > conftest.$ac_ext <<EOF
#line 3414 "configure"
#include "confdefs.h"
/* volatile prevents gcc2 from optimizing the test away on sparcs.  */
#if !defined(__STDC__) || __STDC__ != 1
#define volatile
#endif
main() {
  volatile char c = 255; exit(c < 0);
}
EOF
{ (eval echo configure:3424: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  ac_cv_c_char_unsigned=yes
else
  ac_cv_c_char_unsigned=no
fi
fi
rm -fr conftest*
fi
fi

echo "$ac_t""$ac_cv_c_char_unsigned" 1>&6
if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then
  cat >> confdefs.h <<\EOF
#define __CHAR_UNSIGNED__ 1
EOF

fi

echo $ac_n "checking signed char declarations""... $ac_c" 1>&6
cat > conftest.$ac_ext <<EOF
#line 3445 "configure"
#include "confdefs.h"

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

signed char *p;
p = 0;

; return 0; }
EOF
if { (eval echo configure:3456: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  tcl_ok=yes
else
  rm -rf conftest*
  tcl_ok=no
fi
rm -f conftest*

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

fi

#--------------------------------------------------------------------
#       Check for the existence of the -lsocket and -lnsl libraries.
#       The order here is important, so that they end up in the right
#       order in the command line generated by make.  Here are some
#       special considerations:
#       1. Use "connect" and "accept" to check for -lsocket, and
#          "gethostbyname" to check for -lnsl.
#       2. Use each function name only once:  can't redo a check because
#          autoconf caches the results of the last check and won't redo it.
#       3. Use -lnsl and -lsocket only if they supply procedures that
#          aren't already present in the normal libraries.  This is because
#          IRIX 5.2 has libraries, but they aren't needed and they're
#          bogus:  they goof up name resolution if used.
#       4. On some SVR4 systems, can't use -lsocket without -lnsl too.
#          To get around this problem, check for both libraries together
#          if -lsocket doesn't work by itself.
#--------------------------------------------------------------------

tcl_checkBoth=0
echo $ac_n "checking for connect""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3497 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char connect(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
char connect();

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

; return 0; }
EOF
if { (eval echo configure:3519: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_func_connect=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_connect=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'connect`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tcl_checkSocket=0
else
  echo "$ac_t""no" 1>&6
tcl_checkSocket=1
fi

if test "$tcl_checkSocket" = 1; then
    echo $ac_n "checking for -lsocket""... $ac_c" 1>&6
ac_lib_var=`echo socket_main | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lsocket  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3546 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char main();

int main() { return 0; }
int t() {
main()
; return 0; }
EOF
if { (eval echo configure:3556: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

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

fi
if test "$tcl_checkBoth" = 1; then
    tk_oldLibs=$LIBS
    LIBS="$LIBS -lsocket -lnsl"
    echo $ac_n "checking for accept""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3584 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char accept(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
char accept();

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_accept) || defined (__stub___accept)
choke me
#else
accept();
#endif

; return 0; }
EOF
if { (eval echo configure:3606: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_func_accept=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_accept=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'accept`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tcl_checkNsl=0
else
  echo "$ac_t""no" 1>&6
LIBS=$tk_oldLibs
fi

fi
echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3630 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char gethostbyname(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
char gethostbyname();

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

; return 0; }
EOF
if { (eval echo configure:3652: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname=yes"
else
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname=no"
fi
rm -f conftest*

fi
if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
echo $ac_n "checking for -lnsl""... $ac_c" 1>&6
ac_lib_var=`echo nsl_main | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lnsl  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3675 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char main();

int main() { return 0; }
int t() {
main()
; return 0; }
EOF
if { (eval echo configure:3685: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

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

fi


#--------------------------------------------------------------------
#       The statements below define a collection of symbols related to
#       dynamic loading and shared libraries:
#
#       DL_OBJS -       Name of the object file that implements dynamic
#                       loading for Tcl on this system.
#       DL_LIBS -       Library file(s) to include in tclsh and other base
#                       applications in order for the "load" command to work.
#       LD_FLAGS -      Flags to pass to the compiler when linking object
#                       files into an executable application binary such
#                       as tclsh.
#       LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib",
#                       that tell the run-time dynamic linker where to look
#                       for shared libraries such as libtcl.so.  Depends on
#                       the variable LIB_RUNTIME_DIR in the Makefile.
#       MAKE_LIB -      Command to execute to build the Tcl library;
#                       differs depending on whether or not Tcl is being
#                       compiled as a shared library.
#       SHLIB_CFLAGS -  Flags to pass to cc when compiling the components
#                       of a shared library (may request position-independent
#                       code, among other things).
#       SHLIB_LD -      Base command to use for combining object files
#                       into a shared library.
#       SHLIB_LD_LIBS - Dependent libraries for the linker to scan when
#                       creating shared libraries.  This symbol typically
#                       goes at the end of the "ld" commands that build
#                       shared libraries. The value of the symbol is
#                       "${LIBS}" if all of the dependent libraries should
#                       be specified when creating a shared library.  If
#                       dependent libraries should not be specified (as on
#                       SunOS 4.x, where they cause the link to fail, or in
#                       general if Tcl and Tk aren't themselves shared
#                       libraries), then this symbol has an empty string
#                       as its value.
#       SHLIB_SUFFIX -  Suffix to use for the names of dynamically loadable
#                       extensions.  An empty string means we don't know how
#                       to use shared libraries on this platform.
#       TCL_LIB_FILE -  Name of the file that contains the Tcl library, such
#                       as libtcl7.8.so or libtcl7.8.a.
#       TCL_LIB_SUFFIX -Specifies everything that comes after the "libtcl"
#                       in the shared library name, using the $VERSION variable
#                       to put the version in the right place.  This is used
#                       by platforms that need non-standard library names.
#                       Examples:  ${VERSION}.so.1.1 on NetBSD, since it needs
#                       to have a version after the .so, and ${VERSION}.a
#                       on AIX, since the Tcl shared library needs to have
#                       a .a extension whereas shared objects for loadable
#                       extensions have a .so extension.  Defaults to
#                       ${VERSION}${SHLIB_SUFFIX}.
#--------------------------------------------------------------------

# Step 1: set the variable "system" to hold the name and version number
# for the system.  This can usually be done via the "uname" command, but
# there are a few systems, like Next, where this doesn't work.

echo $ac_n "checking system version (for dynamic loading)""... $ac_c" 1>&6
if test -f /usr/lib/NextStep/software_version; then
    system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
else
    system=`uname -s`-`uname -r`
    if test "$?" -ne 0 ; then
        echo "$ac_t""unknown (can't find uname command)" 1>&6
        system=unknown
    else
        # Special check for weird MP-RAS system (uname returns weird
        # results, and the version is kept in special file).
    
        if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then
            system=MP-RAS-`awk '{print $3}' /etc/.relid'`
        fi
        if test "`uname -s`" = "AIX" ; then
            system=AIX-`uname -v`.`uname -r`
        fi
        echo "$ac_t""$system" 1>&6
    fi
fi

# Step 2: check for existence of -ldl library.  This is needed because
# Linux can use either -ldl or -ldld for dynamic loading.

echo $ac_n "checking for -ldl""... $ac_c" 1>&6
ac_lib_var=`echo dl_dlopen | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldl  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3794 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char dlopen();

int main() { return 0; }
int t() {
dlopen()
; return 0; }
EOF
if { (eval echo configure:3804: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

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


# Step 3: set configuration options based on system name and version.

fullSrcDir=`cd $srcdir; pwd`
EXTRA_CFLAGS=""
TCL_UNSHARED_LIB_SUFFIX=""
TCL_TRIM_DOTS='`echo ${VERSION} | tr -d .`'
ECHO_VERSION='`echo ${VERSION}`'
TCL_LIB_VERSIONS_OK=ok
CFLAGS_DEBUG=-g
CFLAGS_OPTIMIZE=-O
case $system in
    AIX-4.[2-9])
        SHLIB_CFLAGS=""
        SHLIB_LD="$fullSrcDir/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 
-T512 -bnoentry"
        SHLIB_LD_LIBS='${LIBS}'
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS="-ldl"
        LD_FLAGS=""
        LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
        AIX=yes
        TCL_SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a'
        ;;
    AIX-*)
        SHLIB_CFLAGS=""
        SHLIB_LD="$fullSrcDir/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 
-T512 -bnoentry"
        SHLIB_LD_LIBS='${LIBS}'
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o tclLoadAix.o"
        DL_LIBS="-lld"
        LD_FLAGS=""
        LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
        TCL_SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a'
        ;;
    BSD/OS-2.1*|BSD/OS-3*)
        SHLIB_CFLAGS=""
        SHLIB_LD="shlicc -r"
        SHLIB_LD_LIBS='${LIBS}'
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS="-ldl"
        LD_FLAGS=""
        LD_SEARCH_FLAGS=""
        ;;
    dgux*)
        SHLIB_CFLAGS="-K PIC"
        SHLIB_LD="cc -G"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS="-ldl"
        LD_FLAGS=""
        LD_SEARCH_FLAGS=""
        ;;
    HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
        echo $ac_n "checking for -ldld""... $ac_c" 1>&6
ac_lib_var=`echo dld_shl_load | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldld  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3887 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
char shl_load();

int main() { return 0; }
int t() {
shl_load()
; return 0; }
EOF
if { (eval echo configure:3897: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

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

        if test "$tcl_ok" = yes; then
            SHLIB_CFLAGS="+z"
            SHLIB_LD="ld -b"
            SHLIB_LD_LIBS=""
            SHLIB_SUFFIX=".sl"
            DL_OBJS="tclLoadShl.o"
            DL_LIBS="-ldld"
            LD_FLAGS="-Wl,-E"
            LD_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
        fi
        ;;
    IRIX-4.*)
        SHLIB_CFLAGS="-G 0"
        SHLIB_SUFFIX=".a"
        SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
        SHLIB_LD_LIBS='${LIBS}'
        DL_OBJS="tclLoadAout.o"
        DL_LIBS=""
        LD_FLAGS="-Wl,-D,08000000"
        LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
        TCL_SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a'
        ;;
    IRIX-5.*|IRIX-6.*)
        SHLIB_CFLAGS=""
        SHLIB_LD="ld -n32 -shared -rdata_shared"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS=""
        LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
        if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then
            EXTRA_CFLAGS="-mabi=n32"
            LD_FLAGS="-mabi=n32"
        else
            case $system in
                IRIX-6.3)
                    # Use to build 6.2 compatible binaries on 6.3.
                    EXTRA_CFLAGS="-n32 -D_OLD_TERMIOS"
                    ;;
                *)
                    EXTRA_CFLAGS="-n32"
                    ;;
            esac
            LD_FLAGS="-n32"
        fi
        ;;
    IRIX64-6.*)
        SHLIB_CFLAGS=""
        SHLIB_LD="ld -n32 -shared -rdata_shared -rpath /usr/local/lib"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS=""
        LD_FLAGS=""
        LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
        ;;
    Linux*)
        SHLIB_CFLAGS="-fPIC"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        if test "$have_dl" = yes; then
            SHLIB_LD="${CC} -shared"
            DL_OBJS="tclLoadDl.o"
            DL_LIBS="-ldl"
            LD_FLAGS='-rdynamic -Wl,-rpath,${LIB_RUNTIME_DIR}'
            LD_SEARCH_FLAGS=' '
        else
            ac_safe=`echo "dld.h" | tr './\055' '___'`
echo $ac_n "checking for dld.h""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3989 "configure"
#include "confdefs.h"
#include <dld.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:3994: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
                SHLIB_LD="ld -shared"
                DL_OBJS="tclLoadDld.o"
                DL_LIBS="-ldld"
                LD_FLAGS=""
                LD_SEARCH_FLAGS=""
else
  echo "$ac_t""no" 1>&6
fi

        fi
        ;;
    MP-RAS-02*)
        SHLIB_CFLAGS="-K PIC"
        SHLIB_LD="cc -G"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS="-ldl"
        LD_FLAGS=""
        LD_SEARCH_FLAGS=""
        ;;
    MP-RAS-*)
        SHLIB_CFLAGS="-K PIC"
        SHLIB_LD="cc -G"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS="-ldl"
        LD_FLAGS="-Wl,-Bexport"
        LD_SEARCH_FLAGS=""
        ;;
    NetBSD-*|FreeBSD-*|OpenBSD-*)
        # Not available on all versions:  check for include file.
        ac_safe=`echo "dlfcn.h" | tr './\055' '___'`
echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4048 "configure"
#include "confdefs.h"
#include <dlfcn.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:4053: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
            SHLIB_CFLAGS="-fpic"
            SHLIB_LD="ld -Bshareable -x"
            SHLIB_LD_LIBS=""
            SHLIB_SUFFIX=".so"
            DL_OBJS="tclLoadDl.o"
            DL_LIBS=""
            LD_FLAGS=""
            LD_SEARCH_FLAGS=""
            TCL_SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1.0'
        
else
  echo "$ac_t""no" 1>&6

            SHLIB_CFLAGS=""
            SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r"
            SHLIB_LD_LIBS='${LIBS}'
            SHLIB_SUFFIX=".a"
            DL_OBJS="tclLoadAout.o"
            DL_LIBS=""
            LD_FLAGS=""
            LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
            TCL_SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a'
        
fi


        # FreeBSD doesn't handle version numbers with dots.

        TCL_UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a'
        TCL_LIB_VERSIONS_OK=nodots
        ;;
    NEXTSTEP-*)
        SHLIB_CFLAGS=""
        SHLIB_LD="cc -nostdlib -r"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadNext.o"
        DL_LIBS=""
        LD_FLAGS=""
        LD_SEARCH_FLAGS=""
        ;;
    OSF1-1.0|OSF1-1.1|OSF1-1.2)
        # OSF/1 1.[012] from OSF, and derivatives, including Paragon OSF/1
        SHLIB_CFLAGS=""
        # Hack: make package name same as library name
        SHLIB_LD='ld -R -export $@:'
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadOSF.o"
        DL_LIBS=""
        LD_FLAGS=""
        LD_SEARCH_FLAGS=""
        ;;
    OSF1-1.*)
        # OSF/1 1.3 from OSF using ELF, and derivatives, including AD2
        SHLIB_CFLAGS="-fpic"
        SHLIB_LD="ld -shared"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS=""
        LD_FLAGS=""
        LD_SEARCH_FLAGS=""
        ;;
    OSF1-V*)
        # Digital OSF/1
        SHLIB_CFLAGS=""
        SHLIB_LD='ld -shared -expect_unresolved "*"'
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS=""
        LD_FLAGS=""
        LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
        ;;
    RISCos-*)
        SHLIB_CFLAGS="-G 0"
        SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
        SHLIB_LD_LIBS='${LIBS}'
        SHLIB_SUFFIX=".a"
        DL_OBJS="tclLoadAout.o"
        DL_LIBS=""
        LD_FLAGS="-Wl,-D,08000000"
        LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
        ;;
    SCO_SV-3.2*)
        # Note, dlopen is available only on SCO 3.2.5 and greater.  However,
        # this test works, since "uname -s" was non-standard in 3.2.4 and
        # below.
        SHLIB_CFLAGS="-Kpic -belf"
        SHLIB_LD="ld -G"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS=""
        LD_FLAGS="-belf -Wl,-Bexport"
        LD_SEARCH_FLAGS=""
        ;;
     SINIX*5.4*)
        SHLIB_CFLAGS="-K PIC"
        SHLIB_LD="cc -G"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS="-ldl"
        LD_FLAGS=""
        LD_SEARCH_FLAGS=""
        ;;
    SunOS-4*)
        SHLIB_CFLAGS="-PIC"
        SHLIB_LD="ld"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS="-ldl"
        LD_FLAGS=""
        LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'

        # SunOS can't handle version numbers with dots in them in library
        # specs, like -ltcl7.5, so use -ltcl75 instead.  Also, it
        # requires an extra version number at the end of .so file names.
        # So, the library has to have a name like libtcl75.so.1.0

        TCL_SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1.0'
        TCL_UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a'
        TCL_LIB_VERSIONS_OK=nodots
        ;;
    SunOS-5*)
        SHLIB_CFLAGS="-KPIC"
        SHLIB_LD="/usr/ccs/bin/ld -G -z text"

        # Note: need the LIBS below, otherwise Tk won't find Tcl's
        # symbols when dynamically loaded into tclsh.

        SHLIB_LD_LIBS='${LIBS}'
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS="-ldl"
        LD_FLAGS=""
        LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
        ;;
    ULTRIX-4.*)
        SHLIB_CFLAGS="-G 0"
        SHLIB_SUFFIX=".a"
        SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
        SHLIB_LD_LIBS='${LIBS}'
        DL_OBJS="tclLoadAout.o"
        DL_LIBS=""
        LD_FLAGS="-Wl,-D,08000000"
        LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
        ;;
    UNIX_SV* | UnixWare-5*)
        SHLIB_CFLAGS="-KPIC"
        SHLIB_LD="cc -G"
        SHLIB_LD_LIBS=""
        SHLIB_SUFFIX=".so"
        DL_OBJS="tclLoadDl.o"
        DL_LIBS="-ldl"
        # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
        # that don't grok the -Bexport option.  Test that it does.
        hold_ldflags=$LDFLAGS
        echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
        LDFLAGS="${LDFLAGS} -Wl,-Bexport"
        cat > conftest.$ac_ext <<EOF
#line 4232 "configure"
#include "confdefs.h"

int main() { return 0; }
int t() {
int i;
; return 0; }
EOF
if { (eval echo configure:4240: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; 
then
  rm -rf conftest*
  found=yes
else
  rm -rf conftest*
  found=no
fi
rm -f conftest*

        LDFLAGS=$hold_ldflags
        echo "$ac_t""$found" 1>&6
        if test $found = yes; then
          LD_FLAGS="-Wl,-Bexport"
        else
          LD_FLAGS=""
        fi
        LD_SEARCH_FLAGS=""
        ;;
esac

# Step 4: If pseudo-static linking is in use (see K. B. Kenny, "Dynamic
# Loading for Tcl -- What Became of It?".  Proc. 2nd Tcl/Tk Workshop,
# New Orleans, LA, Computerized Processes Unlimited, 1994), then we need
# to determine which of several header files defines the a.out file
# format (a.out.h, sys/exec.h, or sys/exec_aout.h).  At present, we
# support only a file format that is more or less version-7-compatible. 
# In particular,
#       - a.out files must begin with `struct exec'.
#       - the N_TXTOFF on the `struct exec' must compute the seek address
#         of the text segment
#       - The `struct exec' must contain a_magic, a_text, a_data, a_bss
#         and a_entry fields.
# The following compilation should succeed if and only if either sys/exec.h
# or a.out.h is usable for the purpose.
#
# Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the
# `struct exec' includes a second header that contains information that
# duplicates the v7 fields that are needed.

if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
    echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
    cat > conftest.$ac_ext <<EOF
#line 4282 "configure"
#include "confdefs.h"
#include <sys/exec.h>
int main() { return 0; }
int t() {

        struct exec foo;
        unsigned long seek;
        int flag;
#if defined(__mips) || defined(mips)
        seek = N_TXTOFF (foo.ex_f, foo.ex_o);
#else
        seek = N_TXTOFF (foo);
#endif
        flag = (foo.a_magic == OMAGIC);
        return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;

; return 0; }
EOF
if { (eval echo configure:4301: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  tcl_ok=usable
else
  rm -rf conftest*
  tcl_ok=unusable
fi
rm -f conftest*

    echo "$ac_t""$tcl_ok" 1>&6
    if test $tcl_ok = usable; then
        cat >> confdefs.h <<\EOF
#define USE_SYS_EXEC_H 1
EOF

    else
        echo $ac_n "checking a.out.h""... $ac_c" 1>&6
        cat > conftest.$ac_ext <<EOF
#line 4319 "configure"
#include "confdefs.h"
#include <a.out.h>
int main() { return 0; }
int t() {

            struct exec foo;
            unsigned long seek;
            int flag;
#if defined(__mips) || defined(mips)
            seek = N_TXTOFF (foo.ex_f, foo.ex_o);
#else
            seek = N_TXTOFF (foo);
#endif
            flag = (foo.a_magic == OMAGIC);
            return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
        
; return 0; }
EOF
if { (eval echo configure:4338: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  tcl_ok=usable
else
  rm -rf conftest*
  tcl_ok=unusable
fi
rm -f conftest*

        echo "$ac_t""$tcl_ok" 1>&6
        if test $tcl_ok = usable; then
            cat >> confdefs.h <<\EOF
#define USE_A_OUT_H 1
EOF

        else
            echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
            cat > conftest.$ac_ext <<EOF
#line 4356 "configure"
#include "confdefs.h"
#include <sys/exec_aout.h>
int main() { return 0; }
int t() {

                struct exec foo;
                unsigned long seek;
                int flag;
#if defined(__mips) || defined(mips)
                seek = N_TXTOFF (foo.ex_f, foo.ex_o);
#else
                seek = N_TXTOFF (foo);
#endif
                flag = (foo.a_midmag == OMAGIC);
                return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
            
; return 0; }
EOF
if { (eval echo configure:4375: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; 
}; then
  rm -rf conftest*
  tcl_ok=usable
else
  rm -rf conftest*
  tcl_ok=unusable
fi
rm -f conftest*

            echo "$ac_t""$tcl_ok" 1>&6
            if test $tcl_ok = usable; then
                cat >> confdefs.h <<\EOF
#define USE_SYS_EXEC_AOUT_H 1
EOF

            else
                DL_OBJS=""
            fi
        fi
    fi
fi

# Step 5: disable dynamic loading if requested via a command-line switch.

# Check whether --enable-load or --disable-load was given.
if test "${enable_load+set}" = set; then
  enableval="$enable_load"
  tcl_ok=$enableval
else
  tcl_ok=yes
fi

if test "$tcl_ok" = "no"; then
    DL_OBJS=""
fi

if test "x$DL_OBJS" != "x" ; then
    BUILD_DLTEST="\$(DLTEST_TARGETS)"
else
    echo "Can't figure out how to do dynamic loading or shared libraries"
    echo "on this system."
    SHLIB_CFLAGS=""
    SHLIB_LD=""
    SHLIB_SUFFIX=""
    DL_OBJS="tclLoadNone.o"
    DL_LIBS=""
    LD_FLAGS=""
    LD_SEARCH_FLAGS=""
    BUILD_DLTEST=""
fi

# If we're running gcc, then change the C flags for compiling shared
# libraries to the right flags for gcc, instead of those for the
# standard manufacturer compiler.

if test "$DL_OBJS" != "tclLoadNone.o" ; then
    if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then
        case $system in
            AIX-*)
                ;;
            BSD/OS*)
                ;;
            IRIX*)
                ;;
            NetBSD-*|FreeBSD-*|OpenBSD-*)
                ;;
            RISCos-*)
                ;;
            ULTRIX-4.*)
                ;;
            *)
                SHLIB_CFLAGS="-fPIC"
                ;;
        esac
    fi
fi

# Set the default compiler switches based on the --enable-symbols option

# Check whether --enable-symbols or --disable-symbols was given.
if test "${enable_symbols+set}" = set; then
  enableval="$enable_symbols"
  tcl_ok=$enableval
else
  tcl_ok=no
fi

if test "$tcl_ok" = "yes"; then
    CFLAGS_DEFAULT=CFLAGS_DEBUG
    TCL_DBGX=g
else
    CFLAGS_DEFAULT=CFLAGS_OPTIMIZE
    TCL_DBGX=""
fi

#--------------------------------------------------------------------
#       The statements below check for systems where POSIX-style
#       non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented. 
#       On these systems (mostly older ones), use the old BSD-style
#       FIONBIO approach instead.
#--------------------------------------------------------------------

for ac_hdr in sys/ioctl.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4485 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:4490: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr 'abcdefghijklmnopqrstuvwxyz./\055' 
'ABCDEFGHIJKLMNOPQRSTUVWXYZ___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done

for ac_hdr in sys/filio.h
do
ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4522 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:4527: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_hdr=HAVE_`echo $ac_hdr | tr 'abcdefghijklmnopqrstuvwxyz./\055' 
'ABCDEFGHIJKLMNOPQRSTUVWXYZ___'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done

echo $ac_n "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O""... $ac_c" 1>&6
if test -f /usr/lib/NextStep/software_version; then
    system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
else
    system=`uname -s`-`uname -r`
    if test "$?" -ne 0 ; then
        system=unknown
    else
        # Special check for weird MP-RAS system (uname returns weird
        # results, and the version is kept in special file).
    
        if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then
            system=MP-RAS-`awk '{print $3}' /etc/.relid'`
        fi
        if test "`uname -s`" = "AIX" ; then
            system=AIX-`uname -v`.`uname -r`
        fi
    fi
fi
case $system in
    # There used to be code here to use FIONBIO under AIX.  However, it
    # was reported that FIONBIO doesn't work under AIX 3.2.5.  Since
    # using O_NONBLOCK seems fine under AIX 4.*, I removed the FIONBIO
    # code (JO, 5/31/97).

    OSF*)
        cat >> confdefs.h <<\EOF
#define USE_FIONBIO 1
EOF

        echo "$ac_t""FIONBIO" 1>&6
        ;;
    SunOS-4*)
        cat >> confdefs.h <<\EOF
#define USE_FIONBIO 1
EOF

        echo "$ac_t""FIONBIO" 1>&6
        ;;
    ULTRIX-4.*)
        cat >> confdefs.h <<\EOF
#define USE_FIONBIO 1
EOF

        echo "$ac_t""FIONBIO" 1>&6
        ;;
    *)
        echo "$ac_t""O_NONBLOCK" 1>&6
        ;;
esac

#--------------------------------------------------------------------
#       The statements below define a collection of symbols related to
#       building libtcl as a shared library instead of a static library.
#--------------------------------------------------------------------

realRanlib=$RANLIB
if test "$TCL_SHARED_LIB_SUFFIX" = "" ; then
    TCL_SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}${SHLIB_SUFFIX}'
fi
if test "$TCL_UNSHARED_LIB_SUFFIX" = "" ; then
    TCL_UNSHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a'
fi
# Check whether --enable-shared or --disable-shared was given.
if test "${enable_shared+set}" = set; then
  enableval="$enable_shared"
  tcl_ok=$enableval
else
  tcl_ok=no
fi

if test "$tcl_ok" = "yes" -a "${SHLIB_SUFFIX}" != "" ; then
    TCL_SHARED_BUILD=1
    TCL_SHLIB_CFLAGS="${SHLIB_CFLAGS}"
    TCL_LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS}"
    eval "TCL_LIB_FILE=libtcl${TCL_SHARED_LIB_SUFFIX}"
    if test "x$DL_OBJS" = "xtclLoadAout.o"; then
        MAKE_LIB="ar cr \${TCL_LIB_FILE} \${OBJS}"
    else
        MAKE_LIB="\${SHLIB_LD} -o \${TCL_LIB_FILE} \${OBJS} ${SHLIB_LD_LIBS}"
        RANLIB=":"
    fi
else
    TCL_SHARED_BUILD=0
    case $system in
        BSD/OS*)
            ;;

        AIX-*)
            ;;

        *)
            SHLIB_LD_LIBS=""
            ;;
    esac
    TCL_SHLIB_CFLAGS=""
    TCL_LD_SEARCH_FLAGS=""
    eval "TCL_LIB_FILE=libtcl${TCL_UNSHARED_LIB_SUFFIX}"
    MAKE_LIB="ar cr \${TCL_LIB_FILE} \${OBJS}"
fi

# Note:  in the following variable, it's important to use the absolute
# path name of the Tcl directory rather than "..":  this is because
# AIX remembers this path and will attempt to use it at run-time to look
# up the Tcl library.

if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
    TCL_LIB_FLAG="-ltcl${TCL_VERSION}\${TCL_DBGX}"
else
    TCL_LIB_FLAG="-ltcl`echo ${TCL_VERSION} | tr -d .`\${TCL_DBGX}"
fi
TCL_BUILD_LIB_SPEC="-L`pwd` ${TCL_LIB_FLAG}"
TCL_LIB_SPEC="-L${exec_prefix}/lib ${TCL_LIB_FLAG}"

# tclConfig.sh needs a version of the _LIB_SUFFIX that has been eval'ed
# so that the backslashes quoting the DBX braces are dropped.

# Trick to replace DBGX with TCL_DBGX
DBGX='${TCL_DBGX}'
eval "TCL_LIB_FILE=${TCL_LIB_FILE}"

VERSION='${VERSION}'
eval "CFG_TCL_SHARED_LIB_SUFFIX=${TCL_SHARED_LIB_SUFFIX}"
eval "CFG_TCL_UNSHARED_LIB_SUFFIX=${TCL_UNSHARED_LIB_SUFFIX}"

#--------------------------------------------------------------------
#       The statements below define the symbol TCL_PACKAGE_PATH, which
#       gives a list of directories that may contain packages.  The list
#       consists of one directory for machine-dependent binaries and
#       another for platform-independent scripts.
#--------------------------------------------------------------------

if test "$prefix" != "$exec_prefix"; then
    TCL_PACKAGE_PATH="${exec_prefix}/lib ${prefix}/lib"
else
    TCL_PACKAGE_PATH="${prefix}/lib"
fi




































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

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

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

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

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

# 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 2.9"
    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 `echo "Makefile tclConfig.sh" | sed "s/:[^ ]*//g"` conftest*; exit 
1' 1 2 15
EOF
cat >> $CONFIG_STATUS <<EOF

# Protect against being on the right side of a sed subst in config.status.
sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
 s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
$ac_vpsub
$extrasub
address@hidden@%$CFLAGS%g
address@hidden@%$CPPFLAGS%g
address@hidden@%$CXXFLAGS%g
address@hidden@%$DEFS%g
address@hidden@%$LDFLAGS%g
address@hidden@%$LIBS%g
address@hidden@%$exec_prefix%g
address@hidden@%$prefix%g
address@hidden@%$program_transform_name%g
address@hidden@%$bindir%g
address@hidden@%$sbindir%g
address@hidden@%$libexecdir%g
address@hidden@%$datadir%g
address@hidden@%$sysconfdir%g
address@hidden@%$sharedstatedir%g
address@hidden@%$localstatedir%g
address@hidden@%$libdir%g
address@hidden@%$includedir%g
address@hidden@%$oldincludedir%g
address@hidden@%$infodir%g
address@hidden@%$mandir%g
address@hidden@%$RANLIB%g
address@hidden@%$CC%g
address@hidden@%$LIBOBJS%g
address@hidden@%$CPP%g
address@hidden@%$BUILD_DLTEST%g
address@hidden@%$CFLAGS_DEBUG%g
address@hidden@%$CFLAGS_DEFAULT%g
address@hidden@%$CFLAGS_OPTIMIZE%g
address@hidden@%$CFLAGS_WARNING%g
address@hidden@%$CFG_TCL_SHARED_LIB_SUFFIX%g
address@hidden@%$CFG_TCL_UNSHARED_LIB_SUFFIX%g
address@hidden@%$TCL_DBGX%g
address@hidden@%$DL_LIBS%g
address@hidden@%$DL_OBJS%g
address@hidden@%$EXTRA_CFLAGS%g
address@hidden@%$LD_FLAGS%g
address@hidden@%$MAKE_LIB%g
address@hidden@%$MATH_LIBS%g
address@hidden@%$SHLIB_CFLAGS%g
address@hidden@%$SHLIB_LD%g
address@hidden@%$SHLIB_LD_LIBS%g
address@hidden@%$SHLIB_SUFFIX%g
address@hidden@%$TCL_BUILD_LIB_SPEC%g
address@hidden@%$TCL_LD_SEARCH_FLAGS%g
address@hidden@%$TCL_LIB_FILE%g
address@hidden@%$TCL_LIB_FLAG%g
address@hidden@%$TCL_LIB_SPEC%g
address@hidden@%$TCL_LIB_VERSIONS_OK%g
address@hidden@%$TCL_MAJOR_VERSION%g
address@hidden@%$TCL_MINOR_VERSION%g
address@hidden@%$TCL_PACKAGE_PATH%g
address@hidden@%$TCL_PATCH_LEVEL%g
address@hidden@%$TCL_SHARED_LIB_SUFFIX%g
address@hidden@%$TCL_SHARED_BUILD%g
address@hidden@%$TCL_SHLIB_CFLAGS%g
address@hidden@%$TCL_SRC_DIR%g
address@hidden@%$TCL_UNSHARED_LIB_SUFFIX%g
address@hidden@%$TCL_VERSION%g

CEOF
EOF
cat >> $CONFIG_STATUS <<EOF

CONFIG_FILES=\${CONFIG_FILES-"Makefile tclConfig.sh"}
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="/`echo $ac_dir|sed 's%^\./%%'`"
    # A "../" for each directory in $ac_dir_suffix.
    ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
  else
    ac_dir_suffix= ac_dots=
  fi

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

  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
address@hidden@%$configure_input%g
address@hidden@%$srcdir%g
address@hidden@%$top_srcdir%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 || exit 1

-------------------- tcl/unix/configure -------------------------------------

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