TEA (tclconfig) Source Code

	* tcl.m4: [Patch #1055668] removal of exported internals from
	tclInt.h (EXTERN macro)

2010-04-14  Jan Nijtmans  <[email protected]>

	* tcl.m4    - Backport a lot of quoting fixes from tcl8.6/unix/tcl.m4
		    - Fix determination of CYGPATH for CYGWIN
	  With those fixes, itcl and tdbc compile fine with CYGWIN

2010-04-06  Jan Nijtmans  <[email protected]>

	* install-sh         [Bug 2982540] configure and install* script files
			     should always have LF

2010-02-19  Stuart Cassoff  <[email protected]>

	* tcl.m4: Correct compiler/linker flags for threaded builds on
	OpenBSD.

2010-01-19  Jan Nijtmans  <[email protected]>

	* tcl.m4: Allow ${SHLIB_SUFFIX} to be overridden at
	configure-time [Patch 1960628].  Also fix some comment typos,
	and an uninitialized variable bug-waiting-to-happen.

2008-12-21  Jan Nijtmans  <[email protected]>

	* tcl.m4: [Bug 2073255] Tcl_GetString(NULL) doesn't crash on HP-UX
		  (this bug report was for Tcl, but holds for TEA as well.)

2008-12-20  Daniel Steffen  <[email protected]>

	* tcl.m4: sync with tdbc tcl.m4 changes
	(SunOS-5.11): Sun cc SHLIB_LD: use LDFLAGS_DEFAULT instead of LDFLAGS

2008-12-02  Jeff Hobbs  <[email protected]>

2007-09-17  Joe English  <[email protected]>

	* tcl.m4: use '${CC} -shared' instead of 'ld -Bshareable'
	to build shared libraries on current NetBSDs [Bug 1749251].

2007-09-15  Daniel Steffen  <[email protected]>

	* tcl.m4:	replace all direct references to compiler by ${CC} to
			enable CC overriding at configure & make time.
	(SunOS-5.1x):	replace direct use of '/usr/ccs/bin/ld' in SHLIB_LD by
			'cc' compiler driver.

2007-08-08  Jeff Hobbs  <[email protected]>

	* tcl.m4: check Ttk dir for Tk private headers (8.5).

These files comprise the basic building blocks for a Tcl Extension
Architecture (TEA) extension.  For more information on TEA see:

	https://wiki.tcl-lang.org/page/TEA

This package is part of the Tcl project at SourceForge, but sources
and bug/patch database are hosted on fossil here:

	https://core.tcl-lang.org/tclconfig

This package is a freely available open source package.  You can do

#!/bin/sh
# install - install a program, script, or datafile

scriptversion=2020-11-14.01; # UTC

# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#

# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# 'make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.

tab='	'
nl='
'
IFS=" $tab$nl"

# Set DOITPROG to "echo" to test this script.


doit=${DOITPROG-}

doit_exec=${doit:-exec}




# Put in absolute file names if you don't have them in your path;
# or use environment vars.

chgrpprog=${CHGRPPROG-chgrp}
chmodprog=${CHMODPROG-chmod}
chownprog=${CHOWNPROG-chown}
cmpprog=${CMPPROG-cmp}
cpprog=${CPPROG-cp}
mkdirprog=${MKDIRPROG-mkdir}
mvprog=${MVPROG-mv}
rmprog=${RMPROG-rm}
stripprog=${STRIPPROG-strip}












posix_mkdir=

# Desired mode of installed file.
mode=0755

# Create dirs (including intermediate dirs) using mode 755.
# This is like GNU 'install' as of coreutils 8.32 (2020).
mkdir_umask=22

backupsuffix=
chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
mvcmd=$mvprog
rmcmd="$rmprog -f"
stripcmd=

src=
dst=
dir_arg=
dst_arg=

copy_on_change=false
is_target_a_directory=possibly

usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
   or: $0 [OPTION]... SRCFILES... DIRECTORY
   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
   or: $0 [OPTION]... -d DIRECTORIES...

In the 1st form, copy SRCFILE to DSTFILE.
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
In the 4th, create DIRECTORIES.

Options:
     --help     display this help and exit.
     --version  display version info and exit.

  -c            (ignored)
  -C            install only if different (preserve data modification time)
  -d            create directories instead of installing files.
  -g GROUP      $chgrpprog installed files to GROUP.
  -m MODE       $chmodprog installed files to MODE.
  -o USER       $chownprog installed files to USER.
  -p            pass -p to $cpprog.
  -s            $stripprog installed files.
  -S SUFFIX     attempt to back up existing files, with suffix SUFFIX.
  -t DIRECTORY  install into DIRECTORY.
  -T            report an error if DSTFILE is a directory.

Environment variables override the default commands:
  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
  RMPROG STRIPPROG

By default, rm is invoked with -f; when overridden with RMPROG,
it's up to you to specify -f if you want it.

If -S is not specified, no backups are attempted.

Email bug reports to [email protected].
Automake home page: https://www.gnu.org/software/automake/
"

while test $# -ne 0; do
  case $1 in
    -c) ;;

    -C) copy_on_change=true;;

    -d) dir_arg=true;;

    -g) chgrpcmd="$chgrpprog $2"
        shift;;

    --help) echo "$usage"; exit $?;;

    -m) mode=$2
        case $mode in

          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
            echo "$0: invalid mode: $mode" >&2
            exit 1;;
        esac
        shift;;

    -o) chowncmd="$chownprog $2"
        shift;;

    -p) cpprog="$cpprog -p";;

    -s) stripcmd=$stripprog;;

    -S) backupsuffix="$2"
        shift;;

    -t)
        is_target_a_directory=always
        dst_arg=$2
        # Protect names problematic for 'test' and other utilities.
        case $dst_arg in
          -* | [=\(\)!]) dst_arg=./$dst_arg;;
        esac
        shift;;

    -T) is_target_a_directory=never;;

    --version) echo "$0 $scriptversion"; exit $?;;

    --) shift
        break;;

    -*) echo "$0: invalid option: $1" >&2
        exit 1;;

    *)  break;;
  esac
  shift
done

# We allow the use of options -d and -T together, by making -d
# take the precedence; this is for compatibility with GNU install.

if test -n "$dir_arg"; then
  if test -n "$dst_arg"; then
    echo "$0: target directory not allowed when installing a directory." >&2
    exit 1
  fi
fi

if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
  # When -d is used, all remaining arguments are directories to create.
  # When -t is used, the destination is already specified.
  # Otherwise, the last argument is the destination.  Remove it from $@.
  for arg
  do
    if test -n "$dst_arg"; then
      # $@ is not empty: it contains at least $arg.
      set fnord "$@" "$dst_arg"
      shift # fnord
    fi
    shift # arg
    dst_arg=$arg
    # Protect names problematic for 'test' and other utilities.
    case $dst_arg in
      -* | [=\(\)!]) dst_arg=./$dst_arg;;
    esac
  done
fi

if test $# -eq 0; then
  if test -z "$dir_arg"; then
    echo "$0: no input file specified." >&2
    exit 1
  fi
  # It's OK to call 'install-sh -d' without argument.
  # This can happen when creating conditional directories.
  exit 0
fi

if test -z "$dir_arg"; then
  if test $# -gt 1 || test "$is_target_a_directory" = always; then
    if test ! -d "$dst_arg"; then
      echo "$0: $dst_arg: Is not a directory." >&2
      exit 1
    fi
  fi
fi

if test -z "$dir_arg"; then
  do_exit='(exit $ret); exit $ret'
  trap "ret=129; $do_exit" 1
  trap "ret=130; $do_exit" 2
  trap "ret=141; $do_exit" 13
  trap "ret=143; $do_exit" 15

  # Set umask so as not to create temps with too-generous modes.
  # However, 'strip' requires both read and write access to temps.
  case $mode in
    # Optimize common cases.
    *644) cp_umask=133;;
    *755) cp_umask=22;;

    *[0-7])
      if test -z "$stripcmd"; then
        u_plus_rw=
      else
        u_plus_rw='% 200'
      fi
      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
    *)
      if test -z "$stripcmd"; then
        u_plus_rw=
      else
        u_plus_rw=,u+rw
      fi
      cp_umask=$mode$u_plus_rw;;
  esac
fi

for src
do
  # Protect names problematic for 'test' and other utilities.
  case $src in
    -* | [=\(\)!]) src=./$src;;
  esac

  if test -n "$dir_arg"; then
    dst=$src
    dstdir=$dst
    test -d "$dstdir"
    dstdir_status=$?
    # Don't chown directories that already exist.
    if test $dstdir_status = 0; then
      chowncmd=""
    fi
  else

    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
    # might cause directories to be created, which would be especially bad
    # if $src (and thus $dsttmp) contains '*'.
    if test ! -f "$src" && test ! -d "$src"; then
      echo "$0: $src does not exist." >&2
      exit 1
    fi

    if test -z "$dst_arg"; then
      echo "$0: no destination specified." >&2
      exit 1
    fi

    dst=$dst_arg





    # If destination is a directory, append the input filename.

    if test -d "$dst"; then
      if test "$is_target_a_directory" = never; then
        echo "$0: $dst_arg: Is a directory" >&2
        exit 1
      fi
      dstdir=$dst
      dstbase=`basename "$src"`
      case $dst in
	*/) dst=$dst$dstbase;;
	*)  dst=$dst/$dstbase;;
      esac
      dstdir_status=0
    else

      dstdir=`dirname "$dst"`

























      test -d "$dstdir"
      dstdir_status=$?
    fi
  fi

  case $dstdir in
    */) dstdirslash=$dstdir;;
    *)  dstdirslash=$dstdir/;;
  esac

  obsolete_mkdir_used=false

  if test $dstdir_status != 0; then
    case $posix_mkdir in
      '')
















        # With -d, create the new directory with the user-specified mode.
        # Otherwise, rely on $mkdir_umask.
        if test -n "$dir_arg"; then
          mkdir_mode=-m$mode
        else
          mkdir_mode=
        fi

        posix_mkdir=false
	# The $RANDOM variable is not portable (e.g., dash).  Use it





	# here however when possible just to lower collision chance.
	tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$

	trap '
	  ret=$?
	  rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null
	  exit $ret
	' 0

	# Because "mkdir -p" follows existing symlinks and we likely work
	# directly in world-writeable /tmp, make sure that the '$tmpdir'
	# directory is successfully created first before we actually test
	# 'mkdir -p'.
	if (umask $mkdir_umask &&
	    $mkdirprog $mkdir_mode "$tmpdir" &&
	    exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
	then
	  if test -z "$dir_arg" || {
	       # Check for POSIX incompatibilities with -m.
	       # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
	       # other-writable bit of parent directory when it shouldn't.
	       # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
	       test_tmpdir="$tmpdir/a"
	       ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
	       case $ls_ld_tmpdir in
		 d????-?r-*) different_mode=700;;
		 d????-?--*) different_mode=755;;
		 *) false;;
	       esac &&
	       $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
		 ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
		 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
	       }
	     }
	  then posix_mkdir=:
	  fi
	  rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
	else
	  # Remove any dirs left behind by ancient mkdir implementations.
	  rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
	fi
	trap '' 0;;

    esac

    if
      $posix_mkdir && (
        umask $mkdir_umask &&
        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
      )
    then :
    else

      # mkdir does not conform to POSIX,
      # or it failed possibly due to a race condition.  Create the
      # directory the slow way, step by step, checking for races as we go.

      case $dstdir in
        /*) prefix='/';;
        [-=\(\)!]*) prefix='./';;
        *)  prefix='';;
      esac



      oIFS=$IFS
      IFS=/
      set -f
      set fnord $dstdir
      shift
      set +f
      IFS=$oIFS

      prefixes=

      for d
      do
        test X"$d" = X && continue

        prefix=$prefix$d
        if test -d "$prefix"; then
          prefixes=
        else
          if $posix_mkdir; then
            (umask $mkdir_umask &&
             $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
            # Don't fail if two instances are running concurrently.
            test -d "$prefix" || exit 1
          else
            case $prefix in
              *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
              *) qprefix=$prefix;;
            esac
            prefixes="$prefixes '$qprefix'"
          fi
        fi
        prefix=$prefix/
      done

      if test -n "$prefixes"; then
        # Don't fail if two instances are running concurrently.
        (umask $mkdir_umask &&
         eval "\$doit_exec \$mkdirprog $prefixes") ||
          test -d "$dstdir" || exit 1
        obsolete_mkdir_used=true
      fi
    fi
  fi

  if test -n "$dir_arg"; then
    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
  else

    # Make a couple of temp file names in the proper directory.
    dsttmp=${dstdirslash}_inst.$$_
    rmtmp=${dstdirslash}_rm.$$_

    # Trap to clean up those temp files at exit.
    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0

    # Copy the file name to the temp name.
    (umask $cp_umask &&
     { test -z "$stripcmd" || {
	 # Create $dsttmp read-write so that cp doesn't create it read-only,
	 # which would cause strip to fail.
	 if test -z "$doit"; then
	   : >"$dsttmp" # No need to fork-exec 'touch'.
	 else
	   $doit touch "$dsttmp"
	 fi
       }
     } &&
     $doit_exec $cpprog "$src" "$dsttmp") &&

    # and set any options; do chmod last to preserve setuid bits.
    #
    # If any of these fail, we abort the whole thing.  If we want to
    # ignore errors from any of these, just make sure not to ignore
    # errors from the above "$doit $cpprog $src $dsttmp" command.
    #
    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&

    # If -C, don't bother to copy if it wouldn't change the file.
    if $copy_on_change &&
       old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
       new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&


       set -f &&
       set X $old && old=:$2:$4:$5:$6 &&
       set X $new && new=:$2:$4:$5:$6 &&
       set +f &&

       test "$old" = "$new" &&
       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
    then
      rm -f "$dsttmp"
    else
      # If $backupsuffix is set, and the file being installed
      # already exists, attempt a backup.  Don't worry if it fails,
      # e.g., if mv doesn't support -f.
      if test -n "$backupsuffix" && test -f "$dst"; then
        $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null
      fi

      # Rename the file to the real destination.
      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||

      # The rename failed, perhaps because mv can't rename something else
      # to itself, or perhaps because mv is so ancient that it does not
      # support -f.
      {
        # Now remove or move aside any old file at destination location.
        # We try this two ways since rm can't unlink itself on some
        # systems and the destination file might be busy for other
        # reasons.  In this case, the final cleanup might fail but the new
        # file should still install successfully.
        {
          test ! -f "$dst" ||
          $doit $rmcmd "$dst" 2>/dev/null ||
          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
            { $doit $rmcmd "$rmtmp" 2>/dev/null; :; }
          } ||
          { echo "$0: cannot unlink or rename $dst" >&2
            (exit 1); exit 1
          }
        } &&

        # Now rename the file to the real destination.
        $doit $mvcmd "$dsttmp" "$dst"
      }
    fi || exit 1

    trap '' 0
  fi
done

# Local variables:
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC0"
# time-stamp-end: "; # UTC"
# End:

This software is copyrighted by the Regents of the University of
California, Sun Microsystems, Inc., Scriptics Corporation, ActiveState
Corporation and other parties.  The following terms apply to all files
associated with the software unless explicitly disclaimed in
individual files.

The authors hereby grant permission to use, copy, modify, distribute,
and license this software and its documentation for any purpose, provided
that existing copyright notices are retained in all copies and that this
notice is included verbatim in any distributions. No written agreement,
license, or royalty fee is required for any of the authorized uses.
Modifications to this software may be copyrighted by their authors
and need not follow the licensing terms described here, provided that
the new terms are clearly indicated on the first page of each file where
they apply.

IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.  THIS SOFTWARE
IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
MODIFICATIONS.

GOVERNMENT USE: If you are acquiring this software on behalf of the
U.S. government, the Government shall have only "Restricted Rights"
in the software and related documentation as defined in the Federal
Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
are acquiring the software on behalf of the Department of Defense, the
software shall be classified as "Commercial Computer Software" and the
Government shall have only "Restricted Rights" as defined in Clause
252.227-7014 (b) (3) of DFARs.  Notwithstanding the foregoing, the
authors grant the U.S. Government and others acting in its behalf
permission to use and distribute the software in accordance with the
terms specified in this license.

# tcl.m4 --
#
#	This file provides a set of autoconf macros to help TEA-enable
#	a Tcl extension.
#
# Copyright (c) 1999-2000 Ajuba Solutions.
# Copyright (c) 2002-2005 ActiveState Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.

AC_PREREQ([2.69])

# Possible values for key variables defined:
#
# TEA_WINDOWINGSYSTEM - win32 aqua x11 (mirrors 'tk windowingsystem')
# TEA_PLATFORM        - windows unix
# TEA_TK_EXTENSION    - True if this is a Tk extension
#

    # the alternative search directory is invoked by --with-tcl
    #

    if test x"${no_tcl}" = x ; then
	# we reset no_tcl in case something fails here
	no_tcl=true
	AC_ARG_WITH(tcl,
	    AS_HELP_STRING([--with-tcl],
		[directory containing tcl configuration (tclConfig.sh)]),
	    [with_tclconfig="${withval}"])
	AC_ARG_WITH(tcl8,
	    AS_HELP_STRING([--with-tcl8],
		[Compile for Tcl8 in Tcl9 environment]),
	    [with_tcl8="${withval}"])
	AC_MSG_CHECKING([for Tcl configuration])
	AC_CACHE_VAL(ac_cv_c_tclconfig,[

	    # First check to see if --with-tcl was specified.
	    if test x"${with_tclconfig}" != x ; then
		case "${with_tclconfig}" in
		    */tclConfig.sh )

			`ls -d ${exec_prefix}/lib 2>/dev/null` \
			`ls -d ${prefix}/lib 2>/dev/null` \
			`ls -d /usr/local/lib 2>/dev/null` \
			`ls -d /usr/contrib/lib 2>/dev/null` \
			`ls -d /usr/pkg/lib 2>/dev/null` \
			`ls -d /usr/lib 2>/dev/null` \
			`ls -d /usr/lib64 2>/dev/null` \
			`ls -d /usr/lib/tcl9.1 2>/dev/null` \
			`ls -d /usr/lib/tcl9.0 2>/dev/null` \
			`ls -d /usr/lib/tcl8.6 2>/dev/null` \
			`ls -d /usr/lib/tcl8.5 2>/dev/null` \
			`ls -d /usr/local/lib/tcl9.1 2>/dev/null` \
			`ls -d /usr/local/lib/tcl9.0 2>/dev/null` \
			`ls -d /usr/local/lib/tcl8.6 2>/dev/null` \
			`ls -d /usr/local/lib/tcl8.5 2>/dev/null` \
			`ls -d /usr/local/lib/tcl/tcl9.1 2>/dev/null` \
			`ls -d /usr/local/lib/tcl/tcl9.0 2>/dev/null` \
			`ls -d /usr/local/lib/tcl/tcl8.6 2>/dev/null` \
			`ls -d /usr/local/lib/tcl/tcl8.5 2>/dev/null` \
			; do
		    if test -f "$i/tclConfig.sh" ; then
			ac_cv_c_tclconfig="`(cd $i; pwd)`"
			break
		    fi

    # the alternative search directory is invoked by --with-tk
    #

    if test x"${no_tk}" = x ; then
	# we reset no_tk in case something fails here
	no_tk=true
	AC_ARG_WITH(tk,
	    AS_HELP_STRING([--with-tk],
		[directory containing tk configuration (tkConfig.sh)]),
	    [with_tkconfig="${withval}"])
	AC_MSG_CHECKING([for Tk configuration])
	AC_CACHE_VAL(ac_cv_c_tkconfig,[

	    # First check to see if --with-tkconfig was specified.
	    if test x"${with_tkconfig}" != x ; then
		case "${with_tkconfig}" in
		    */tkConfig.sh )

	    if test x"${ac_cv_c_tkconfig}" = x ; then
		for i in `ls -d ${libdir} 2>/dev/null` \
			`ls -d ${exec_prefix}/lib 2>/dev/null` \
			`ls -d ${prefix}/lib 2>/dev/null` \
			`ls -d /usr/local/lib 2>/dev/null` \
			`ls -d /usr/contrib/lib 2>/dev/null` \
			`ls -d /usr/pkg/lib 2>/dev/null` \
			`ls -d /usr/lib/tk9.1 2>/dev/null` \
			`ls -d /usr/lib/tk9.0 2>/dev/null` \
			`ls -d /usr/lib/tk8.6 2>/dev/null` \
			`ls -d /usr/lib/tk8.5 2>/dev/null` \
			`ls -d /usr/lib 2>/dev/null` \
			`ls -d /usr/lib64 2>/dev/null` \
			`ls -d /usr/local/lib/tk9.1 2>/dev/null` \
			`ls -d /usr/local/lib/tk9.0 2>/dev/null` \
			`ls -d /usr/local/lib/tk8.6 2>/dev/null` \
			`ls -d /usr/local/lib/tk8.5 2>/dev/null` \
			`ls -d /usr/local/lib/tcl/tk9.1 2>/dev/null` \
			`ls -d /usr/local/lib/tcl/tk9.0 2>/dev/null` \
			`ls -d /usr/local/lib/tcl/tk8.6 2>/dev/null` \
			`ls -d /usr/local/lib/tcl/tk8.5 2>/dev/null` \
			; do
		    if test -f "$i/tkConfig.sh" ; then
			ac_cv_c_tkconfig="`(cd $i; pwd)`"
			break
		    fi

#		TCL_ZIPFS_SUPPORT
#------------------------------------------------------------------------

AC_DEFUN([TEA_LOAD_TCLCONFIG], [
    AC_MSG_CHECKING([for existence of ${TCL_BIN_DIR}/tclConfig.sh])

    if test -f "${TCL_BIN_DIR}/tclConfig.sh" ; then
	AC_MSG_RESULT([loading])
	. "${TCL_BIN_DIR}/tclConfig.sh"
    else
	AC_MSG_RESULT([could not find ${TCL_BIN_DIR}/tclConfig.sh])
    fi

    # If the TCL_BIN_DIR is the build directory (not the install directory),
    # then set the common variable name to the value of the build variables.
    # For example, the variable TCL_LIB_SPEC will be set to the value
    # of TCL_BUILD_LIB_SPEC. An extension should make use of TCL_LIB_SPEC
    # instead of TCL_BUILD_LIB_SPEC since it will work with both an
    # installed and uninstalled version of Tcl.
    if test -f "${TCL_BIN_DIR}/Makefile" ; then
	TCL_LIB_SPEC="${TCL_BUILD_LIB_SPEC}"
	TCL_STUB_LIB_SPEC="${TCL_BUILD_STUB_LIB_SPEC}"
	TCL_STUB_LIB_PATH="${TCL_BUILD_STUB_LIB_PATH}"
    elif test "`uname -s`" = "Darwin"; then
	# If Tcl was built as a framework, attempt to use the libraries
	# from the framework at the given location so that linking works
	# against Tcl.framework installed in an arbitrary location.
	case ${TCL_DEFS} in
	    *TCL_FRAMEWORK*)
		if test -f "${TCL_BIN_DIR}/${TCL_LIB_FILE}"; then

    AC_SUBST(TCL_STUB_LIB_FILE)
    AC_SUBST(TCL_STUB_LIB_FLAG)
    AC_SUBST(TCL_STUB_LIB_SPEC)

    AC_MSG_CHECKING([platform])
    hold_cc=$CC; CC="$TCL_CC"
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
	    #ifdef _WIN32
		#error win32
	    #endif
	]])],[
	    # first test we've already retrieved platform (cross-compile), fallback to unix otherwise:
	    TEA_PLATFORM="${TEA_PLATFORM-unix}"
	    CYGPATH=echo
	],[
	    TEA_PLATFORM="windows"
	    AC_CHECK_PROG(CYGPATH, cygpath, cygpath -m, echo)

    ])
    CC=$hold_cc
    AC_MSG_RESULT($TEA_PLATFORM)

    # The BUILD_$pkg is to define the correct extern storage class
    # handling when making this package
    # To be able to sefely use the package name in a #define, it must not
    # contain anything other than alphanumeric characters and underscores
    SAFE_PKG_NAME=patsubst(AC_PACKAGE_NAME, [[^A-Za-z0-9_]], [_])
    AC_DEFINE_UNQUOTED(BUILD_${SAFE_PKG_NAME}, [],
	    [Building extension source?])
    # Do this here as we have fully defined TEA_PLATFORM now
    if test "${TEA_PLATFORM}" = "windows" ; then
	EXEEXT=".exe"
	CLEANFILES="$CLEANFILES *.lib *.dll *.pdb *.exp"
    fi

#		TK_BIN_DIR
#------------------------------------------------------------------------

AC_DEFUN([TEA_LOAD_TKCONFIG], [
    AC_MSG_CHECKING([for existence of ${TK_BIN_DIR}/tkConfig.sh])

    if test -f "${TK_BIN_DIR}/tkConfig.sh" ; then
	AC_MSG_RESULT([loading])
	. "${TK_BIN_DIR}/tkConfig.sh"
    else
	AC_MSG_RESULT([could not find ${TK_BIN_DIR}/tkConfig.sh])
    fi

    # If the TK_BIN_DIR is the build directory (not the install directory),
    # then set the common variable name to the value of the build variables.
    # For example, the variable TK_LIB_SPEC will be set to the value
    # of TK_BUILD_LIB_SPEC. An extension should make use of TK_LIB_SPEC
    # instead of TK_BUILD_LIB_SPEC since it will work with both an
    # installed and uninstalled version of Tcl.
    if test -f "${TK_BIN_DIR}/Makefile" ; then
	TK_LIB_SPEC="${TK_BUILD_LIB_SPEC}"
	TK_STUB_LIB_SPEC="${TK_BUILD_STUB_LIB_SPEC}"
	TK_STUB_LIB_PATH="${TK_BUILD_STUB_LIB_PATH}"
    elif test "`uname -s`" = "Darwin"; then
	# If Tk was built as a framework, attempt to use the libraries
	# from the framework at the given location so that linking works
	# against Tk.framework installed in an arbitrary location.
	case ${TK_DEFS} in
	    *TK_FRAMEWORK*)
		if test -f "${TK_BIN_DIR}/${TK_LIB_FILE}"; then

#	Substitutes the following vars:
#		TCLSH_PROG
#------------------------------------------------------------------------

AC_DEFUN([TEA_PROG_TCLSH], [
    AC_MSG_CHECKING([for tclsh])
    if test -f "${TCL_BIN_DIR}/Makefile" ; then
	# tclConfig.sh is in Tcl build directory
	if test "${TEA_PLATFORM}" = "windows"; then
	  if test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${EXEEXT}" ; then
	    TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${EXEEXT}"
	  elif test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}s${EXEEXT}" ; then
	    TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}s${EXEEXT}"
	  elif test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}t${EXEEXT}" ; then
	    TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}t${EXEEXT}"
	  elif test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}st${EXEEXT}" ; then
	    TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}st${EXEEXT}"
	  fi
	else
	    TCLSH_PROG="${TCL_BIN_DIR}/tclsh"
	fi
    else
	# tclConfig.sh is in install location
	if test "${TEA_PLATFORM}" = "windows"; then
	    TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${EXEEXT}"
	else
	    TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}.${TCL_MINOR_VERSION}"
	fi
	list="`ls -d ${TCL_BIN_DIR}/../bin 2>/dev/null` \
	      `ls -d ${TCL_BIN_DIR}/..     2>/dev/null` \
	      `ls -d ${TCL_PREFIX}/bin     2>/dev/null`"
	for i in $list ; do
	    if test -f "$i/${TCLSH_PROG}" ; then
		REAL_TCL_BIN_DIR="`cd "$i"; pwd`/"
		break
	    fi
	done
	TCLSH_PROG="${REAL_TCL_BIN_DIR}${TCLSH_PROG}"
    fi
    AC_MSG_RESULT([${TCLSH_PROG}])
    AC_SUBST(TCLSH_PROG)
])

#------------------------------------------------------------------------
# TEA_PROG_WISH

#	Substitutes the following vars:
#		WISH_PROG
#------------------------------------------------------------------------

AC_DEFUN([TEA_PROG_WISH], [
    AC_MSG_CHECKING([for wish])
    if test -f "${TK_BIN_DIR}/Makefile" ; then
	# tkConfig.sh is in Tk build directory
	if test "${TEA_PLATFORM}" = "windows"; then
	  if test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${EXEEXT}" ; then
	    WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${EXEEXT}"
	  elif test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}s${EXEEXT}" ; then
	    WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}$s{EXEEXT}"
	  elif test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}t${EXEEXT}" ; then
	    WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}t${EXEEXT}"
	  elif test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}st${EXEEXT}" ; then
	    WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}st${EXEEXT}"
	  fi
	else
	    WISH_PROG="${TK_BIN_DIR}/wish"
	fi
    else
	# tkConfig.sh is in install location
	if test "${TEA_PLATFORM}" = "windows"; then
	    WISH_PROG="wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${EXEEXT}"
	else
	    WISH_PROG="wish${TK_MAJOR_VERSION}.${TK_MINOR_VERSION}"
	fi
	list="`ls -d ${TK_BIN_DIR}/../bin 2>/dev/null` \
	      `ls -d ${TK_BIN_DIR}/..     2>/dev/null` \
	      `ls -d ${TK_PREFIX}/bin     2>/dev/null`"
	for i in $list ; do
	    if test -f "$i/${WISH_PROG}" ; then
		REAL_TK_BIN_DIR="`cd "$i"; pwd`/"
		break
	    fi
	done
	WISH_PROG="${REAL_TK_BIN_DIR}${WISH_PROG}"
    fi
    AC_MSG_RESULT([${WISH_PROG}])
    AC_SUBST(WISH_PROG)
])

#------------------------------------------------------------------------
# TEA_ENABLE_SHARED --

#               USE_TCLOO_STUBS Value true: if SHARED_BUILD or --enable-stubs
#               USE_TK_STUBS    Value true: if SHARED_BUILD or --enable-stubs
#                                AND TEA_WINDOWING_SYSTEM != ""
#------------------------------------------------------------------------
AC_DEFUN([TEA_ENABLE_SHARED], [
    AC_MSG_CHECKING([how to build libraries])
    AC_ARG_ENABLE(shared,
	AS_HELP_STRING([--enable-shared],
	    [build and link with shared libraries (default: on)]),
	[shared_ok=$enableval], [shared_ok=yes])

    if test "${enable_shared+set}" = set; then
	enableval="$enable_shared"
	shared_ok=$enableval
    else
	shared_ok=yes
    fi

    AC_ARG_ENABLE(stubs,
	AS_HELP_STRING([--enable-stubs],
	    [build and link with stub libraries. Always true for shared builds (default: on)]),
	[stubs_ok=$enableval], [stubs_ok=yes])

    if test "${enable_stubs+set}" = set; then
	enableval="$enable_stubs"
	stubs_ok=$enableval
    else
	stubs_ok=yes
    fi

    # Stubs are always enabled for shared builds
    if test "$shared_ok" = "yes" ; then
	AC_MSG_RESULT([shared])
	SHARED_BUILD=1
	STUBS_BUILD=1
    else
	AC_MSG_RESULT([static])
	SHARED_BUILD=0
	AC_DEFINE(STATIC_BUILD, 1, [This a static build])
	if test "$stubs_ok" = "yes" ; then
	  STUBS_BUILD=1
	else
	  STUBS_BUILD=0
	fi
    fi
    if test "${STUBS_BUILD}" = "1" ; then
      AC_DEFINE(USE_TCL_STUBS, 1, [Use Tcl stubs])
      AC_DEFINE(USE_TCLOO_STUBS, 1, [Use TclOO stubs])
      if test "${TEA_WINDOWINGSYSTEM}" != ""; then
	AC_DEFINE(USE_TK_STUBS, 1, [Use Tk stubs])
      fi
    fi

    AC_SUBST(SHARED_BUILD)
    AC_SUBST(STUBS_BUILD)
])

#		TCL_THREADS
#		_REENTRANT
#		_THREAD_SAFE
#------------------------------------------------------------------------

AC_DEFUN([TEA_ENABLE_THREADS], [
    AC_ARG_ENABLE(threads,
	AS_HELP_STRING([--enable-threads],
	    [build with threads (default: on)]),
	[tcl_ok=$enableval], [tcl_ok=yes])

    if test "${enable_threads+set}" = set; then
	enableval="$enable_threads"
	tcl_ok=$enableval
    else

#------------------------------------------------------------------------

AC_DEFUN([TEA_ENABLE_SYMBOLS], [
    dnl TEA specific: Make sure we are initialized
    AC_REQUIRE([TEA_CONFIG_CFLAGS])
    AC_MSG_CHECKING([for build with symbols])
    AC_ARG_ENABLE(symbols,
	AS_HELP_STRING([--enable-symbols],
	    [build with debugging symbols (default: off)]),
	[tcl_ok=$enableval], [tcl_ok=no])
    if test "$tcl_ok" = "no"; then
	CFLAGS_DEFAULT="${CFLAGS_OPTIMIZE} -DNDEBUG"
	LDFLAGS_DEFAULT="${LDFLAGS_OPTIMIZE}"
	AC_MSG_RESULT([no])
	AC_DEFINE(TCL_CFG_OPTIMIZED, 1, [Is this an optimized build?])
    else
	CFLAGS_DEFAULT="${CFLAGS_DEBUG}"
	LDFLAGS_DEFAULT="${LDFLAGS_DEBUG}"
	if test "$tcl_ok" = "yes"; then
	    AC_MSG_RESULT([yes (standard debugging)])
	fi
    fi

#
#	Defines the following vars:
#		HAVE_LANGINFO	Triggers use of nl_langinfo if defined.
#------------------------------------------------------------------------

AC_DEFUN([TEA_ENABLE_LANGINFO], [
    AC_ARG_ENABLE(langinfo,
	AS_HELP_STRING([--enable-langinfo],
	    [use nl_langinfo if possible to determine encoding at startup, otherwise use old heuristic (default: on)]),
	[langinfo_ok=$enableval], [langinfo_ok=yes])

    HAVE_LANGINFO=0
    if test "$langinfo_ok" = "yes"; then
	AC_CHECK_HEADER(langinfo.h,[langinfo_ok=yes],[langinfo_ok=no])
    fi
    AC_MSG_CHECKING([whether to use nl_langinfo])
    if test "$langinfo_ok" = "yes"; then
	AC_CACHE_VAL(tcl_cv_langinfo_h, [
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]], [[nl_langinfo(CODESET);]])],
		    [tcl_cv_langinfo_h=yes],[tcl_cv_langinfo_h=no])])
	AC_MSG_RESULT([$tcl_cv_langinfo_h])
	if test $tcl_cv_langinfo_h = yes; then
	    AC_DEFINE(HAVE_LANGINFO, 1, [Do we have nl_langinfo()?])
	fi
    else
	AC_MSG_RESULT([$langinfo_ok])

    dnl TEA specific: Make sure we are initialized
    AC_REQUIRE([TEA_INIT])

    # Step 0.a: Enable 64 bit support?

    AC_MSG_CHECKING([if 64bit support is requested])
    AC_ARG_ENABLE(64bit,
	AS_HELP_STRING([--enable-64bit],
	    [enable 64bit support (default: off)]),
	[do64bit=$enableval], [do64bit=no])
    AC_MSG_RESULT([$do64bit])

    # Step 0.b: Enable Solaris 64 bit VIS support?

    AC_MSG_CHECKING([if 64bit Sparc VIS support is requested])
    AC_ARG_ENABLE(64bit-vis,
	AS_HELP_STRING([--enable-64bit-vis],
	    [enable 64bit Sparc VIS support (default: off)]),
	[do64bitVIS=$enableval], [do64bitVIS=no])
    AC_MSG_RESULT([$do64bitVIS])
    # Force 64bit on with VIS
    AS_IF([test "$do64bitVIS" = "yes"], [do64bit=yes])

    # Step 0.c: Check if visibility support is available. Do this here so
    # that platform specific alternatives can be used below if this fails.

    AC_CACHE_CHECK([if compiler supports visibility "hidden"],
	tcl_cv_cc_visibility_hidden, [
	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
	    extern __attribute__((__visibility__("hidden"))) void f(void);
	    void f(void) {}]], [[f();]])],[tcl_cv_cc_visibility_hidden=yes],
	    [tcl_cv_cc_visibility_hidden=no])
	CFLAGS=$hold_cflags])
    AS_IF([test $tcl_cv_cc_visibility_hidden = yes], [
	AC_DEFINE(MODULE_SCOPE,
	    [extern __attribute__((__visibility__("hidden")))],
	    [Compiler support for module scope symbols])
	AC_DEFINE(HAVE_HIDDEN, [1], [Compiler support for module scope symbols])
    ])

    # Step 0.d: Disable -rpath support?

    AC_MSG_CHECKING([if rpath support is requested])
    AC_ARG_ENABLE(rpath,
	AS_HELP_STRING([--disable-rpath],
	    [disable rpath support (default: on)]),
	[doRpath=$enableval], [doRpath=yes])
    AC_MSG_RESULT([$doRpath])

    # Set the variable "system" to hold the name and version number
    # for the system.

	windows)
	    MACHINE="X86"
	    if test "$do64bit" != "no" ; then
		case "$do64bit" in
		    amd64|x64|yes)
			MACHINE="AMD64" ; # default to AMD64 64-bit build
			;;
		    arm64|aarch64)
			MACHINE="ARM64"
			;;
		    ia64)
			MACHINE="IA64"
			;;
		esac
	    fi

	    if test "$GCC" != "yes" ; then
		if test "${SHARED_BUILD}" = "0" ; then
		    runtime=-MT
		else
		    runtime=-MD
		fi
		case "x`echo \${VisualStudioVersion}`" in
		    x1[[4-9]]*)
			lflags="${lflags} -nodefaultlib:ucrt.lib"
			TEA_ADD_LIBS([ucrt.lib])
		    ;;
		    *)
		    ;;
		esac

		if test "$do64bit" != "no" ; then
		    CC="cl.exe"
		    RC="rc.exe"
		    lflags="${lflags} -nologo -MACHINE:${MACHINE} "
		    LINKBIN="link.exe"
		    CFLAGS_DEBUG="-nologo -Zi -Od -W3 ${runtime}d"
		    CFLAGS_OPTIMIZE="-nologo -O2 -W2 ${runtime}"
		    # Avoid 'unresolved external symbol __security_cookie'

		SHLIB_LD='${CC} -shared'
		UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
		LDFLAGS_CONSOLE="-wl,--subsystem,console ${lflags}"
		LDFLAGS_WINDOW="-wl,--subsystem,windows ${lflags}"

		AC_CACHE_CHECK(for cross-compile version of gcc,
			ac_cv_cross,
			AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
			    #ifdef _WIN32
				#error cross-compiler
			    #endif
			]], [[]])],
			[ac_cv_cross=yes],
			[ac_cv_cross=no])
		      )
		      if test "$ac_cv_cross" = "yes"; then
			case "$do64bit" in
			    amd64|x64|yes)
				CC="x86_64-w64-mingw32-${CC}"
				LD="x86_64-w64-mingw32-ld"
				AR="x86_64-w64-mingw32-ar"
				RANLIB="x86_64-w64-mingw32-ranlib"
				RC="x86_64-w64-mingw32-windres"
			    ;;
			    arm64|aarch64)
				CC="aarch64-w64-mingw32-clang"
				LD="aarch64-w64-mingw32-ld"
				AR="aarch64-w64-mingw32-ar"
				RANLIB="aarch64-w64-mingw32-ranlib"
				RC="aarch64-w64-mingw32-windres"
			    ;;
			    *)
				CC="i686-w64-mingw32-${CC}"
				LD="i686-w64-mingw32-ld"
				AR="i686-w64-mingw32-ar"
				RANLIB="i686-w64-mingw32-ranlib"
				RC="i686-w64-mingw32-windres"
			    ;;

		LDFLAGS_WINDOW="-link -subsystem:windows ${lflags}"
	    fi

	    SHLIB_SUFFIX=".dll"
	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.dll'

	    TCL_LIB_VERSIONS_OK=nodots
	    ;;
	AIX-*)
	    AS_IF([test "$GCC" != "yes"], [
		# AIX requires the _r compiler when gcc isn't being used
		case "${CC}" in
		    *_r|*_r\ *)
			# ok ...
			;;
		    *)
			# Make sure only first arg gets _r
			CC=`echo "$CC" | sed -e 's/^\([[^ ]]*\)/\1_r/'`
			;;
		esac
		AC_MSG_RESULT([Using $CC for compiling with threads])
	    ])
	    LIBS="$LIBS -lc"
	    SHLIB_CFLAGS=""
	    SHLIB_SUFFIX=".so"

	    SHLIB_CFLAGS="-export-dynamic -fPIC"
	    SHLIB_LD='${CC} -shared'
	    SHLIB_SUFFIX=".so"
	    LDFLAGS="$LDFLAGS -export-dynamic"
	    CC_SEARCH_FLAGS=""
	    LD_SEARCH_FLAGS=""
	    ;;
	CYGWIN_*|MINGW32_*|MINGW64_*|MSYS_*)
	    SHLIB_CFLAGS=""
	    SHLIB_LD='${CC} -shared'
	    SHLIB_SUFFIX=".dll"
	    if test "${TEA_PLATFORM}" = "unix" -a  "${TCL_MAJOR_VERSION}" -gt 8 -a x"${with_tcl8}" = x; then
		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,--out-implib,\$(patsubst cyg%.dll,lib%.dll,\$[@]).a"
	    else
		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,--out-implib,\$[@].a"
	    fi
	    EXEEXT=".exe"
	    do64bit_ok=yes
	    CC_SEARCH_FLAGS=""
	    LD_SEARCH_FLAGS=""
	    ;;
	dgux*)
	    SHLIB_CFLAGS="-K PIC"

	    AS_IF([test $doRpath = yes], [
		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
		LD_SEARCH_FLAGS='-rpath "${LIB_RUNTIME_DIR}"'])

	    # Check to enable 64-bit flags for compiler/linker

	    AS_IF([test "$do64bit" = yes], [
		AS_IF([test "$GCC" = yes], [
		    AC_MSG_WARN([64bit mode not supported by gcc])
		], [
		    do64bit_ok=yes
		    SHLIB_LD="ld -64 -shared -rdata_shared"
		    CFLAGS="$CFLAGS -64"
		    LDFLAGS_ARCH="-64"
		])
	    ])
	    ;;
	Linux*|GNU*|NetBSD-Debian|DragonFly-*|FreeBSD-*)
	    SHLIB_CFLAGS="-fPIC"
	    SHLIB_SUFFIX=".so"

	    # TEA specific:

	    DragonFly-*|FreeBSD-*)
		AS_IF([test "${TCL_THREADS}" = "1"], [
		    # The -pthread needs to go in the LDFLAGS, not LIBS
		    LIBS=`echo $LIBS | sed s/-pthread//`
		    CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
		    LDFLAGS="$LDFLAGS $PTHREAD_LIBS"])
	    ;;
	    esac

	    AS_IF([test $doRpath = yes], [
		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'])
	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
	    AS_IF([test "`uname -m`" = "alpha"], [CFLAGS="$CFLAGS -mieee"])
	    AS_IF([test $do64bit = yes], [
		AC_CACHE_CHECK([if compiler accepts -m64 flag], tcl_cv_cc_m64, [
		    hold_cflags=$CFLAGS
		    CFLAGS="$CFLAGS -m64"
		    AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
			    [tcl_cv_cc_m64=yes],[tcl_cv_cc_m64=no])
		    CFLAGS=$hold_cflags])
		AS_IF([test $tcl_cv_cc_m64 = yes], [
		    CFLAGS="$CFLAGS -m64"
		    do64bit_ok=yes
		])
	   ])

	    AS_IF([test $do64bit = yes], [
		case `arch` in
		    ppc)
			AC_CACHE_CHECK([if compiler accepts -arch ppc64 flag],
				tcl_cv_cc_arch_ppc64, [
			    hold_cflags=$CFLAGS
			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
			    AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
				    [tcl_cv_cc_arch_ppc64=yes],[tcl_cv_cc_arch_ppc64=no])
			    CFLAGS=$hold_cflags])
			AS_IF([test $tcl_cv_cc_arch_ppc64 = yes], [
			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
			    do64bit_ok=yes
			]);;
		    i386)
			AC_CACHE_CHECK([if compiler accepts -arch x86_64 flag],
				tcl_cv_cc_arch_x86_64, [
			    hold_cflags=$CFLAGS
			    CFLAGS="$CFLAGS -arch x86_64"
			    AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
				    [tcl_cv_cc_arch_x86_64=yes],[tcl_cv_cc_arch_x86_64=no])
			    CFLAGS=$hold_cflags])
			AS_IF([test $tcl_cv_cc_arch_x86_64 = yes], [
			    CFLAGS="$CFLAGS -arch x86_64"
			    do64bit_ok=yes
			]);;
		    *)
			AC_MSG_WARN([Don't know how enable 64-bit on architecture `arch`]);;
		esac
	    ], [
		# Check for combined 32-bit and 64-bit fat build
		AS_IF([echo "$CFLAGS " |grep -E -q -- '-arch (ppc64|x86_64) ' \
		    && echo "$CFLAGS " |grep -E -q -- '-arch (ppc|i386) '], [
		    fat_32_64=yes])
	    ])
	    # TEA specific: use LDFLAGS_DEFAULT instead of LDFLAGS
	    SHLIB_LD='${CC} -dynamiclib ${CFLAGS} ${LDFLAGS_DEFAULT}'








	    # TEA specific: link shlib with current and compatibility version flags
	    vers=`echo ${PACKAGE_VERSION} | sed -e 's/^\([[0-9]]\{1,5\}\)\(\(\.[[0-9]]\{1,3\}\)\{0,2\}\).*$/\1\2/p' -e d`
	    SHLIB_LD="${SHLIB_LD} -current_version ${vers:-0} -compatibility_version ${vers:-0}"
	    SHLIB_SUFFIX=".dylib"
	    LDFLAGS="$LDFLAGS -headerpad_max_install_names"
	    AC_CACHE_CHECK([if ld accepts -search_paths_first flag],
		    tcl_cv_ld_search_paths_first, [
		hold_ldflags=$LDFLAGS
		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
		AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])],
			[tcl_cv_ld_search_paths_first=yes],[tcl_cv_ld_search_paths_first=no])
		LDFLAGS=$hold_ldflags])
	    AS_IF([test $tcl_cv_ld_search_paths_first = yes], [
		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
	    ])
	    AS_IF([test "$tcl_cv_cc_visibility_hidden" != yes], [
		AC_DEFINE(MODULE_SCOPE, [__private_extern__],
		    [Compiler support for module scope symbols])

		AS_IF([test "${TEA_WINDOWINGSYSTEM}" = x11], [
		    AC_CACHE_CHECK([for 64-bit X11], tcl_cv_lib_x11_64, [
			for v in CFLAGS CPPFLAGS LDFLAGS; do
			    eval 'hold_'$v'="$'$v'";'$v'="`echo "$'$v' "|sed -e "s/-arch ppc / /g" -e "s/-arch i386 / /g"`"'
			done
			CPPFLAGS="$CPPFLAGS -I/usr/X11R6/include"
			LDFLAGS="$LDFLAGS -L/usr/X11R6/lib -lX11"
			AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]], [[XrmInitialize();]])],
			    [tcl_cv_lib_x11_64=yes],[tcl_cv_lib_x11_64=no])
			for v in CFLAGS CPPFLAGS LDFLAGS; do
			    eval $v'="$hold_'$v'"'
			done])
		])
		AS_IF([test "${TEA_WINDOWINGSYSTEM}" = aqua], [
		    AC_CACHE_CHECK([for 64-bit Tk], tcl_cv_lib_tk_64, [
			for v in CFLAGS CPPFLAGS LDFLAGS; do
			    eval 'hold_'$v'="$'$v'";'$v'="`echo "$'$v' "|sed -e "s/-arch ppc / /g" -e "s/-arch i386 / /g"`"'
			done
			CPPFLAGS="$CPPFLAGS -DUSE_TCL_STUBS=1 -DUSE_TK_STUBS=1 ${TCL_INCLUDES} ${TK_INCLUDES}"
			LDFLAGS="$LDFLAGS ${TCL_STUB_LIB_SPEC} ${TK_STUB_LIB_SPEC}"
			AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <tk.h>]], [[Tk_InitStubs(NULL, "", 0);]])],
			    [tcl_cv_lib_tk_64=yes],[tcl_cv_lib_tk_64=no])
			for v in CFLAGS CPPFLAGS LDFLAGS; do
			    eval $v'="$hold_'$v'"'
			done])
		])
		# remove 64-bit arch flags from CFLAGS et al. if configuration
		# does not support 64-bit.
		AS_IF([test "$tcl_cv_lib_tk_64" = no -o "$tcl_cv_lib_x11_64" = no], [

	    AC_DEFINE(_OE_SOCKETS, 1,	# needed in sys/socket.h
		[Should OS/390 do the right thing with sockets?])
	    ;;
	OSF1-V*)
	    # Digital OSF/1
	    SHLIB_CFLAGS=""
	    AS_IF([test "$SHARED_BUILD" = 1], [
		SHLIB_LD='ld -shared -expect_unresolved "*"'
	    ], [
		SHLIB_LD='ld -non_shared -expect_unresolved "*"'
	    ])
	    SHLIB_SUFFIX=".so"
	    AS_IF([test $doRpath = yes], [
		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'])
	    AS_IF([test "$GCC" = yes], [CFLAGS="$CFLAGS -mieee"], [
		CFLAGS="$CFLAGS -DHAVE_TZSET -std1 -ieee"])

	    SHLIB_LD_LIBS=""
	    SHLIB_SUFFIX=".so"
	    # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
	    # that don't grok the -Bexport option.  Test that it does.
	    AC_CACHE_CHECK([for ld accepts -Bexport flag], tcl_cv_ld_Bexport, [
		hold_ldflags=$LDFLAGS
		LDFLAGS="$LDFLAGS -Wl,-Bexport"
		AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])],
			[tcl_cv_ld_Bexport=yes],[tcl_cv_ld_Bexport=no])
		LDFLAGS=$hold_ldflags])
	    AS_IF([test $tcl_cv_ld_Bexport = yes], [
		LDFLAGS="$LDFLAGS -Wl,-Bexport"
	    ])
	    CC_SEARCH_FLAGS=""
	    LD_SEARCH_FLAGS=""
	    ;;
    esac

    AS_IF([test "$UNSHARED_LIB_SUFFIX" = ""], [
    # TEA specific: use PACKAGE_VERSION instead of VERSION
    UNSHARED_LIB_SUFFIX='${PACKAGE_VERSION}.a'])

    if test "${GCC}" = "yes" -a ${SHLIB_SUFFIX} = ".dll"; then
	AC_CACHE_CHECK(for SEH support in compiler,
	    tcl_cv_seh,
	AC_RUN_IFELSE([AC_LANG_SOURCE([[
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN

	    int main(int argc, char** argv) {
		int a, b = 0;
		__try {
		    a = 666 / b;
		}
		__except (EXCEPTION_EXECUTE_HANDLER) {
		    return 0;
		}
		return 1;
	    }
	]])],
	    [tcl_cv_seh=yes],
	    [tcl_cv_seh=no],
	    [tcl_cv_seh=no])
	)
	if test "$tcl_cv_seh" = "no" ; then
	    AC_DEFINE(HAVE_NO_SEH, 1,
		    [Defined when mingw does not support SEH])
	fi

	#
	# Check to see if the excpt.h include file provided contains the
	# definition for EXCEPTION_DISPOSITION; if not, which is the case
	# with Cygwin's version as of 2002-04-10, define it to be int,
	# sufficient for getting the current code to work.
	#
	AC_CACHE_CHECK(for EXCEPTION_DISPOSITION support in include files,
	    tcl_cv_eh_disposition,
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#	    define WIN32_LEAN_AND_MEAN
#	    include <windows.h>
#	    undef WIN32_LEAN_AND_MEAN
	    ]], [[
		EXCEPTION_DISPOSITION x;
	    ]])],
		[tcl_cv_eh_disposition=yes],
		[tcl_cv_eh_disposition=no])
	)
	if test "$tcl_cv_eh_disposition" = "no" ; then
	AC_DEFINE(EXCEPTION_DISPOSITION, int,
		[Defined when cygwin/mingw does not support EXCEPTION DISPOSITION])
	fi

	# Check to see if winnt.h defines CHAR, SHORT, and LONG
	# even if VOID has already been #defined. The win32api
	# used by mingw and cygwin is known to do this.

	AC_CACHE_CHECK(for winnt.h that ignores VOID define,
	    tcl_cv_winnt_ignore_void,
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#define VOID void
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
	    ]], [[
		CHAR c;
		SHORT s;
		LONG l;
	    ]])],
	[tcl_cv_winnt_ignore_void=yes],
	[tcl_cv_winnt_ignore_void=no])
	)
	if test "$tcl_cv_winnt_ignore_void" = "yes" ; then
	    AC_DEFINE(HAVE_WINNT_IGNORE_VOID, 1,
		    [Defined when cygwin/mingw ignores VOID define in winnt.h])
	fi
    fi

	# See if the compiler supports casting to a union type.
	# This is used to stop gcc from printing a compiler
	# warning when initializing a union member.

	AC_CACHE_CHECK(for cast to union support,
	    tcl_cv_cast_to_union,
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[

		  union foo { int i; double d; };
		  union foo f = (union foo) (int) 0;
	    ]])],
	    [tcl_cv_cast_to_union=yes],
	    [tcl_cv_cast_to_union=no])
	)
	if test "$tcl_cv_cast_to_union" = "yes"; then
	    AC_DEFINE(HAVE_CAST_TO_UNION, 1,
		    [Defined when compiler supports casting to union type.])
	fi

	AC_CHECK_HEADER(stdbool.h, [AC_DEFINE(HAVE_STDBOOL_H, 1, [Do we have <stdbool.h>?])],)

#		USE_TERMIO
#		USE_SGTTY
#--------------------------------------------------------------------

AC_DEFUN([TEA_SERIAL_PORT], [
    AC_CHECK_HEADERS(sys/modem.h)
    AC_CACHE_CHECK([termios vs. termio vs. sgtty], tcl_cv_api_serial, [
    AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <termios.h>

int main() {
    struct termios t;
    if (tcgetattr(0, &t) == 0) {
	cfsetospeed(&t, 0);
	t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
}]])],[tcl_cv_api_serial=termios],[tcl_cv_api_serial=no],[tcl_cv_api_serial=no])
    if test $tcl_cv_api_serial = no ; then
	AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <termio.h>

int main() {
    struct termio t;
    if (ioctl(0, TCGETA, &t) == 0) {
	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
}]])],[tcl_cv_api_serial=termio],[tcl_cv_api_serial=no],[tcl_cv_api_serial=no])
    fi
    if test $tcl_cv_api_serial = no ; then
	AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sgtty.h>

int main() {
    struct sgttyb t;
    if (ioctl(0, TIOCGETP, &t) == 0) {
	t.sg_ospeed = 0;
	t.sg_flags |= ODDP | EVENP | RAW;
	return 0;
    }
    return 1;
}]])],[tcl_cv_api_serial=sgtty],[tcl_cv_api_serial=no],[tcl_cv_api_serial=no])
    fi
    if test $tcl_cv_api_serial = no ; then
	AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <termios.h>
#include <errno.h>

int main() {
    struct termios t;
    if (tcgetattr(0, &t) == 0
	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
	cfsetospeed(&t, 0);
	t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
}]])],[tcl_cv_api_serial=termios],[tcl_cv_api_serial=no],[tcl_cv_api_serial=no])
    fi
    if test $tcl_cv_api_serial = no; then
	AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <termio.h>
#include <errno.h>

int main() {
    struct termio t;
    if (ioctl(0, TCGETA, &t) == 0
	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
    }]])],[tcl_cv_api_serial=termio],[tcl_cv_api_serial=no],[tcl_cv_api_serial=no])
    fi
    if test $tcl_cv_api_serial = no; then
	AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sgtty.h>
#include <errno.h>

int main() {
    struct sgttyb t;
    if (ioctl(0, TIOCGETP, &t) == 0
	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
	t.sg_ospeed = 0;
	t.sg_flags |= ODDP | EVENP | RAW;
	return 0;
    }
    return 1;
}]])],[tcl_cv_api_serial=sgtty],[tcl_cv_api_serial=none],[tcl_cv_api_serial=none])
    fi])
    case $tcl_cv_api_serial in
	termios) AC_DEFINE(USE_TERMIOS, 1, [Use the termios API for serial lines]);;
	termio)  AC_DEFINE(USE_TERMIO, 1, [Use the termio API for serial lines]);;
	sgtty)   AC_DEFINE(USE_SGTTY, 1, [Use the sgtty API for serial lines]);;
    esac
])

])

AC_DEFUN([TEA_PATH_UNIX_X], [
    AC_PATH_X
    not_really_there=""
    if test "$no_x" = ""; then
	if test "$x_includes" = ""; then
	    AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <X11/Xlib.h>]])],[],[not_really_there="yes"])
	else
	    if test ! -r $x_includes/X11/Xlib.h; then
		not_really_there="yes"
	    fi
	fi
    fi
    if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
	AC_MSG_CHECKING([for X11 header files])
	found_xincludes="no"
	AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <X11/Xlib.h>]])],[found_xincludes="yes"],[found_xincludes="no"])
	if test "$found_xincludes" = "no"; then
	    dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include"
	    for i in $dirs ; do
		if test -r $i/X11/Xlib.h; then
		    AC_MSG_RESULT([$i])
		    XINCLUDES=" -I$i"
		    found_xincludes="yes"

    AC_CHECK_HEADERS(sys/time.h)
    AC_HEADER_TIME
    AC_STRUCT_TIMEZONE

    AC_CHECK_FUNCS(gmtime_r localtime_r mktime)

    AC_CACHE_CHECK([tm_tzadj in struct tm], tcl_cv_member_tm_tzadj, [
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[struct tm tm; (void)tm.tm_tzadj;]])],
	    [tcl_cv_member_tm_tzadj=yes],
	    [tcl_cv_member_tm_tzadj=no])])
    if test $tcl_cv_member_tm_tzadj = yes ; then
	AC_DEFINE(HAVE_TM_TZADJ, 1, [Should we use the tm_tzadj field of struct tm?])
    fi

    AC_CACHE_CHECK([tm_gmtoff in struct tm], tcl_cv_member_tm_gmtoff, [
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[struct tm tm; (void)tm.tm_gmtoff;]])],
	    [tcl_cv_member_tm_gmtoff=yes],
	    [tcl_cv_member_tm_gmtoff=no])])
    if test $tcl_cv_member_tm_gmtoff = yes ; then
	AC_DEFINE(HAVE_TM_GMTOFF, 1, [Should we use the tm_gmtoff field of struct tm?])
    fi

    #
    # Its important to include time.h in this check, as some systems
    # (like convex) have timezone functions, etc.
    #
    AC_CACHE_CHECK([long timezone variable], tcl_cv_timezone_long, [
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>
#include <stdlib.h>]],
	[[extern long timezone;
	    timezone += 1;
	    exit (0);]])],
	    [tcl_cv_timezone_long=yes], [tcl_cv_timezone_long=no])])
    if test $tcl_cv_timezone_long = yes ; then
	AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
    else
	#
	# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
	#
	AC_CACHE_CHECK([time_t timezone variable], tcl_cv_timezone_time, [
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>
#include <stdlib.h>]],
	    [[extern time_t timezone;
		timezone += 1;
		exit (0);]])],
		[tcl_cv_timezone_time=yes], [tcl_cv_timezone_time=no])])
	if test $tcl_cv_timezone_time = yes ; then
	    AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
	fi
    fi
])

#--------------------------------------------------------------------

#		strtod (=fixstrtod)
#--------------------------------------------------------------------

AC_DEFUN([TEA_BUGGY_STRTOD], [
    AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0)
    if test "$tcl_strtod" = 1; then
	AC_CACHE_CHECK([for Solaris2.4/Tru64 strtod bugs], tcl_cv_strtod_buggy,[
	    AC_RUN_IFELSE([AC_LANG_SOURCE([[
		#include <stdlib.h>
		extern double strtod();
		int main() {
		    char *infString="Inf", *nanString="NaN", *spaceString=" ";
		    char *term;
		    double value;
		    value = strtod(infString, &term);
		    if ((term != infString) && (term[-1] == 0)) {
			exit(1);
		    }
		    value = strtod(nanString, &term);
		    if ((term != nanString) && (term[-1] == 0)) {
			exit(1);
		    }
		    value = strtod(spaceString, &term);
		    if (term == (spaceString+1)) {
			exit(1);
		    }
		    exit(0);
		}]])], [tcl_cv_strtod_buggy=ok], [tcl_cv_strtod_buggy=buggy],
		    [tcl_cv_strtod_buggy=buggy])])
	if test "$tcl_cv_strtod_buggy" = buggy; then
	    AC_LIBOBJ([fixstrtod])
	    USE_COMPAT=1
	    AC_DEFINE(strtod, fixstrtod, [Do we want to use the strtod() in compat?])
	fi
    fi
])

# Arguments:
#	None
#
# Results:
#
#	Might define the following vars:
#		_ISOC99_SOURCE

#		_FILE_OFFSET_BITS
#
#--------------------------------------------------------------------

AC_DEFUN([TEA_TCL_EARLY_FLAG],[
    AC_CACHE_VAL([tcl_cv_flag_]translit($1,[A-Z],[a-z]),
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$2]], [[$3]])],
	    [tcl_cv_flag_]translit($1,[A-Z],[a-z])=no,[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[[#define ]$1[ ]m4_default([$4],[1])[

]$2]], [[$3]])],
	[tcl_cv_flag_]translit($1,[A-Z],[a-z])=yes,
	[tcl_cv_flag_]translit($1,[A-Z],[a-z])=no)]))
    if test ["x${tcl_cv_flag_]translit($1,[A-Z],[a-z])[}" = "xyes"] ; then
	AC_DEFINE($1, m4_default([$4],[1]), [Add the ]$1[ flag when building])
	tcl_flags="$tcl_flags $1"
    fi
])

AC_DEFUN([TEA_TCL_EARLY_FLAGS],[
    AC_MSG_CHECKING([for required early compiler flags])
    tcl_flags=""
    TEA_TCL_EARLY_FLAG(_ISOC99_SOURCE,[#include <stdlib.h>],
	[char *p = (char *)strtoll; char *q = (char *)strtoull;])
    if test "${TCL_MAJOR_VERSION}" -ne 8 ; then

	TEA_TCL_EARLY_FLAG(_FILE_OFFSET_BITS,[#include <sys/stat.h>],

	    [switch (0) { case 0: case (sizeof(off_t)==sizeof(long long)): ; }],64)
    fi
    if test "x${tcl_flags}" = "x" ; then
	AC_MSG_RESULT([none])
    else
	AC_MSG_RESULT([${tcl_flags}])
    fi
])

#
#	Might define the following vars:
#		TCL_WIDE_INT_IS_LONG
#		TCL_WIDE_INT_TYPE
#		HAVE_STRUCT_DIRENT64, HAVE_DIR64
#		HAVE_STRUCT_STAT64
#		HAVE_TYPE_OFF64_T
#		_TIME_BITS
#
#--------------------------------------------------------------------

AC_DEFUN([TEA_TCL_64BIT_FLAGS], [
    AC_MSG_CHECKING([for 64-bit integer type])
    AC_CACHE_VAL(tcl_cv_type_64bit,[
	tcl_cv_type_64bit=none
	# See if the compiler knows natively about __int64
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[__int64 value = (__int64) 0;]])],
	    [tcl_type_64bit=__int64],[tcl_type_64bit="long long"])
	# See if we could use long anyway  Note that we substitute in the
	# type that is our current guess for a 64-bit type inside this check
	# program, so it should be modified only carefully...
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[switch (0) {
	    case 1: case (sizeof(${tcl_type_64bit})==sizeof(long)): ;
	}]])],[tcl_cv_type_64bit=${tcl_type_64bit}],[])])
    if test "${tcl_cv_type_64bit}" = none ; then
	AC_DEFINE(TCL_WIDE_INT_IS_LONG, 1, [Do 'long' and 'long long' have the same size (64-bit)?])
	AC_MSG_RESULT([yes])
    elif test "${tcl_cv_type_64bit}" = "__int64" \
		-a "${TEA_PLATFORM}" = "windows" ; then
	# TEA specific: We actually want to use the default tcl.h checks in
	# this case to handle both TCL_WIDE_INT_TYPE and TCL_LL_MODIFIER*
	AC_MSG_RESULT([using Tcl header defaults])
    else
	AC_DEFINE_UNQUOTED(TCL_WIDE_INT_TYPE,${tcl_cv_type_64bit},
	    [What type should be used to define wide integers?])
	AC_MSG_RESULT([${tcl_cv_type_64bit}])

	# Now check for auxiliary declarations
    if test "${TCL_MAJOR_VERSION}" -ne 8 ; then
	    AC_CACHE_CHECK([for 64-bit time_t], tcl_cv_time_t_64,[
		AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>]],
		    [[switch (0) {case 0: case (sizeof(time_t)==sizeof(long long)): ;}]])],
		    [tcl_cv_time_t_64=yes],[tcl_cv_time_t_64=no])])
	    if test "x${tcl_cv_time_t_64}" = "xno" ; then
		# Note that _TIME_BITS=64 requires _FILE_OFFSET_BITS=64
		# which SC_TCL_EARLY_FLAGS has defined if necessary.
		AC_CACHE_CHECK([if _TIME_BITS=64 enables 64-bit time_t], tcl_cv__time_bits,[
		    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#define _TIME_BITS 64
#include <sys/types.h>]],
			[[switch (0) {case 0: case (sizeof(time_t)==sizeof(long long)): ;}]])],
			[tcl_cv__time_bits=yes],[tcl_cv__time_bits=no])])
		if test "x${tcl_cv__time_bits}" = "xyes" ; then
		    AC_DEFINE(_TIME_BITS, 64, [_TIME_BITS=64 enables 64-bit time_t.])
		fi
	    fi
	fi

	AC_CACHE_CHECK([for struct dirent64], tcl_cv_struct_dirent64,[
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <dirent.h>]], [[struct dirent64 p;]])],
		[tcl_cv_struct_dirent64=yes],[tcl_cv_struct_dirent64=no])])
	if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
	    AC_DEFINE(HAVE_STRUCT_DIRENT64, 1, [Is 'struct dirent64' in <sys/types.h>?])
	fi

	AC_CACHE_CHECK([for DIR64], tcl_cv_DIR64,[
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <dirent.h>]], [[struct dirent64 *p; DIR64 d = opendir64(".");
	    p = readdir64(d); rewinddir64(d); closedir64(d);]])],
		[tcl_cv_DIR64=yes], [tcl_cv_DIR64=no])])
	if test "x${tcl_cv_DIR64}" = "xyes" ; then
	    AC_DEFINE(HAVE_DIR64, 1, [Is 'DIR64' in <sys/types.h>?])
	fi

	AC_CACHE_CHECK([for struct stat64], tcl_cv_struct_stat64,[
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat64 p;
]])],
		[tcl_cv_struct_stat64=yes], [tcl_cv_struct_stat64=no])])
	if test "x${tcl_cv_struct_stat64}" = "xyes" ; then
	    AC_DEFINE(HAVE_STRUCT_STAT64, 1, [Is 'struct stat64' in <sys/stat.h>?])
	fi

	AC_CHECK_FUNCS(open64 lseek64)
	AC_MSG_CHECKING([for off64_t])
	AC_CACHE_VAL(tcl_cv_type_off64_t,[
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>]], [[off64_t offset;
]])],
		[tcl_cv_type_off64_t=yes], [tcl_cv_type_off64_t=no])])
	dnl Define HAVE_TYPE_OFF64_T only when the off64_t type and the
	dnl functions lseek64 and open64 are defined.
	if test "x${tcl_cv_type_off64_t}" = "xyes" && \
		test "x${ac_cv_func_lseek64}" = "xyes" && \
		test "x${ac_cv_func_open64}" = "xyes" ; then
	    AC_DEFINE(HAVE_TYPE_OFF64_T, 1, [Is off64_t in <sys/types.h>?])
	    AC_MSG_RESULT([yes])
	else
	    AC_MSG_RESULT([no])
	fi
    fi
])

    AC_MSG_NOTICE([configuring ${PACKAGE_NAME} ${PACKAGE_VERSION}])

    AC_SUBST(EXEEXT)
    AC_SUBST(CYGPATH)

    # This package name must be replaced statically for AC_SUBST to work
    AC_SUBST(PKG_LIB_FILE)
    AC_SUBST(PKG_LIB_FILE8)
    AC_SUBST(PKG_LIB_FILE9)

    # We AC_SUBST these here to ensure they are subst'ed,
    # in case the user doesn't call TEA_ADD_...
    AC_SUBST(PKG_STUB_SOURCES)
    AC_SUBST(PKG_STUB_OBJECTS)
    AC_SUBST(PKG_TCL_SOURCES)
    AC_SUBST(PKG_HEADERS)

    # It makes compiling go faster.  (This is only a performance feature.)
    #------------------------------------------------------------------------

    if test -z "$no_pipe" -a -n "$GCC"; then
	AC_CACHE_CHECK([if the compiler understands -pipe],
	    tcl_cv_cc_pipe, [
	    hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -pipe"
	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[tcl_cv_cc_pipe=yes],[tcl_cv_cc_pipe=no])
	    CFLAGS=$hold_cflags])
	if test $tcl_cv_cc_pipe = yes; then
	    CFLAGS="$CFLAGS -pipe"
	fi
    fi

    if test "${TCL_MAJOR_VERSION}" -lt 9 -a "${TCL_MINOR_VERSION}" -lt 7; then
	    AC_DEFINE(Tcl_Size, int, [Is 'Tcl_Size' in <tcl.h>?])
	fi

    #--------------------------------------------------------------------
    # Common compiler flag setup
    #--------------------------------------------------------------------

    AC_C_BIGENDIAN(,,,[#])
])

#------------------------------------------------------------------------
# TEA_MAKE_LIB --
#
#	Generate a line that can be used to build a shared/unshared library
#	in a platform independent manner.

    #--------------------------------------------------------------------
    # Shared libraries and static libraries have different names.
    # Use the double eval to make sure any variables in the suffix is
    # substituted. (@@@ Might not be necessary anymore)
    #--------------------------------------------------------------------

    if test "$TEA_PLATFORM" = "unix"; then
	PACKAGE_LIB_PREFIX8="lib"
	if test "$EXEEXT" = ".exe" -a "$SHARED_BUILD" != "0"; then
	    PACKAGE_LIB_PREFIX9="cygtcl9"
	else
	    PACKAGE_LIB_PREFIX9="libtcl9"
	fi
    else
	PACKAGE_LIB_PREFIX8=""
	PACKAGE_LIB_PREFIX9="tcl9"
    fi
    if test "${TCL_MAJOR_VERSION}" -gt 8 -a x"${with_tcl8}" = x; then
	PACKAGE_LIB_PREFIX="${PACKAGE_LIB_PREFIX9}"
    else
	PACKAGE_LIB_PREFIX="${PACKAGE_LIB_PREFIX8}"
	AC_DEFINE(TCL_MAJOR_VERSION, 8, [Compile for Tcl8?])
	AC_DEFINE(TK_MAJOR_VERSION, 8, [Compile for Tk8?])
    fi
    if test "${TEA_PLATFORM}" = "windows" ; then
	if test "${SHARED_BUILD}" = "1" ; then
	    # We force the unresolved linking of symbols that are really in
	    # the private libraries of Tcl and Tk.
	    if test x"${TK_BIN_DIR}" != x ; then
		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TK_BIN_DIR}/${TK_STUB_LIB_FILE}`\""
	    fi
	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}`\""
	    if test "$GCC" = "yes"; then
		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -static-libgcc"
	    fi
	    AC_CACHE_CHECK([if the linker understands --disable-high-entropy-va],
		tcl_cv_ld_high_entropy, [
		hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Wl,--disable-high-entropy-va"
		AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[tcl_cv_ld_high_entropy=yes],[tcl_cv_ld_high_entropy=no])
		CFLAGS=$hold_cflags])
	    if test $tcl_cv_ld_high_entropy = yes; then
		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,--disable-high-entropy-va"
	    fi
	    eval eval "PKG_LIB_FILE8=${PACKAGE_LIB_PREFIX8}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
	    eval eval "PKG_LIB_FILE9=${PACKAGE_LIB_PREFIX9}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
	    eval eval "PKG_LIB_FILE=${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
	else

	    if test "$GCC" = "yes"; then
		PACKAGE_LIB_PREFIX=lib${PACKAGE_LIB_PREFIX}
	    fi
	    eval eval "PKG_LIB_FILE8=${PACKAGE_LIB_PREFIX8}${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
	    eval eval "PKG_LIB_FILE9=${PACKAGE_LIB_PREFIX9}${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
	    eval eval "PKG_LIB_FILE=${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
	fi
	# Some packages build their own stubs libraries
	if test "${TCL_MAJOR_VERSION}" -gt 8 -a x"${with_tcl8}" = x; then
	    eval eval "PKG_STUB_LIB_FILE=${PACKAGE_LIB_PREFIX8}${PACKAGE_NAME}stub.a"
	else
	    eval eval "PKG_STUB_LIB_FILE=${PACKAGE_LIB_PREFIX8}${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
	fi
	if test "$GCC" = "yes"; then
	    PKG_STUB_LIB_FILE=lib${PKG_STUB_LIB_FILE}
	fi
	# These aren't needed on Windows (either MSVC or gcc)
	RANLIB=:
	RANLIB_STUB=:
    else
	RANLIB_STUB="${RANLIB}"
	if test "${SHARED_BUILD}" = "1" ; then
	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} ${TCL_STUB_LIB_SPEC}"
	    if test x"${TK_BIN_DIR}" != x ; then
		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} ${TK_STUB_LIB_SPEC}"
	    fi
	    eval eval "PKG_LIB_FILE8=${PACKAGE_LIB_PREFIX8}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
	    eval eval "PKG_LIB_FILE9=${PACKAGE_LIB_PREFIX9}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
	    eval eval "PKG_LIB_FILE=${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
	    RANLIB=:
	else
	    eval eval "PKG_LIB_FILE8=${PACKAGE_LIB_PREFIX8}${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
	    eval eval "PKG_LIB_FILE9=${PACKAGE_LIB_PREFIX9}${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
	    eval eval "PKG_LIB_FILE=${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
	fi
	# Some packages build their own stubs libraries
	if test "${TCL_MAJOR_VERSION}" -gt 8 -a x"${with_tcl8}" = x; then
	    eval eval "PKG_STUB_LIB_FILE=${PACKAGE_LIB_PREFIX8}${PACKAGE_NAME}stub.a"
	else
	    eval eval "PKG_STUB_LIB_FILE=${PACKAGE_LIB_PREFIX8}${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
	fi
    fi

    # These are escaped so that only CFLAGS is picked up at configure time.
    # The other values will be substituted at make time.
    CFLAGS="${CFLAGS} \${CFLAGS_DEFAULT} \${CFLAGS_WARNING}"
    if test "${SHARED_BUILD}" = "1" ; then
	CFLAGS="${CFLAGS} \${SHLIB_CFLAGS}"
    fi

    AC_SUBST(MAKE_LIB)
    AC_SUBST(MAKE_SHARED_LIB)
    AC_SUBST(MAKE_STATIC_LIB)
    AC_SUBST(MAKE_STUB_LIB)
    # Substitute STUB_LIB_FILE in case package creates a stub library too.
    AC_SUBST(PKG_STUB_LIB_FILE)
    AC_SUBST(RANLIB_STUB)
    AC_SUBST(VC_MANIFEST_EMBED_DLL)
    AC_SUBST(VC_MANIFEST_EMBED_EXE)
])

#------------------------------------------------------------------------
# TEA_LIB_SPEC --

	fi
	# Overwrite the previous TCL_INCLUDES as this should capture both
	# public and private headers in the same set.
	# We want to ensure these are substituted so as not to require
	# any *_NATIVE vars be defined in the Makefile
	TCL_INCLUDES="-I${TCL_GENERIC_DIR_NATIVE} -I${TCL_PLATFORM_DIR_NATIVE}"
	if test "`uname -s`" = "Darwin"; then
	    # If Tcl was built as a framework, attempt to use
	    # the framework's Headers and PrivateHeaders directories
	    case ${TCL_DEFS} in
		*TCL_FRAMEWORK*)
		    if test -d "${TCL_BIN_DIR}/Headers" -a \
			    -d "${TCL_BIN_DIR}/PrivateHeaders"; then
			TCL_INCLUDES="-I\"${TCL_BIN_DIR}/Headers\" -I\"${TCL_BIN_DIR}/PrivateHeaders\" ${TCL_INCLUDES}"
		    else
			TCL_INCLUDES="${TCL_INCLUDES} ${TCL_INCLUDE_SPEC} `echo "${TCL_INCLUDE_SPEC}" | sed -e 's/Headers/PrivateHeaders/'`"
		    fi
		    ;;
	    esac
	    result="Using ${TCL_INCLUDES}"
	else
	    if test ! -f "${TCL_SRC_DIR}/generic/tclInt.h" ; then
		AC_MSG_ERROR([Cannot find private header tclInt.h in ${TCL_SRC_DIR}])
	    fi
	    result="Using srcdir found in tclConfig.sh: ${TCL_SRC_DIR}"

#		$1_LIB_SPEC
#------------------------------------------------------------------------

AC_DEFUN([TEA_LOAD_CONFIG], [
    AC_MSG_CHECKING([for existence of ${$1_BIN_DIR}/$1Config.sh])

    if test -f "${$1_BIN_DIR}/$1Config.sh" ; then
	AC_MSG_RESULT([loading])
	. "${$1_BIN_DIR}/$1Config.sh"
    else
	AC_MSG_RESULT([file not found])
    fi

    #
    # If the $1_BIN_DIR is the build directory (not the install directory),
    # then set the common variable name to the value of the build variables.
    # For example, the variable $1_LIB_SPEC will be set to the value
    # of $1_BUILD_LIB_SPEC. An extension should make use of $1_LIB_SPEC
    # instead of $1_BUILD_LIB_SPEC since it will work with both an
    # installed and uninstalled version of Tcl.
    #

    if test -f "${$1_BIN_DIR}/Makefile" ; then
	AC_MSG_WARN([Found Makefile - using build library specs for $1])
	$1_LIB_SPEC=${$1_BUILD_LIB_SPEC}
	$1_STUB_LIB_SPEC=${$1_BUILD_STUB_LIB_SPEC}
	$1_STUB_LIB_PATH=${$1_BUILD_STUB_LIB_PATH}
	$1_INCLUDE_SPEC=${$1_BUILD_INCLUDE_SPEC}
	$1_LIBRARY_PATH=${$1_LIBRARY_PATH}
    fi

    AC_SUBST($1_VERSION)
    AC_SUBST($1_BIN_DIR)
    AC_SUBST($1_SRC_DIR)

    AC_SUBST($1_LIB_FILE)

    if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
	eval $1_LIB_FLAG="-l$1${PACKAGE_VERSION}"
	eval $1_STUB_LIB_FLAG="-l$1stub${PACKAGE_VERSION}"
    else
	eval $1_LIB_FLAG="-l$1`echo ${PACKAGE_VERSION} | tr -d .`"
	eval $1_STUB_LIB_FLAG="-l$1stub`echo ${PACKAGE_VERSION} | tr -d .`"
    fi
    if test "${TCL_MAJOR_VERSION}" -gt 8 -a x"${with_tcl8}" = x; then
	eval $1_STUB_LIB_FLAG="-l$1stub"
    fi

    $1_BUILD_LIB_SPEC="-L`$CYGPATH $(pwd)` ${$1_LIB_FLAG}"
    $1_LIB_SPEC="-L`$CYGPATH ${pkglibdir}` ${$1_LIB_FLAG}"
    $1_BUILD_STUB_LIB_SPEC="-L`$CYGPATH $(pwd)` [$]{$1_STUB_LIB_FLAG}"
    $1_STUB_LIB_SPEC="-L`$CYGPATH ${pkglibdir}` [$]{$1_STUB_LIB_FLAG}"
    $1_BUILD_STUB_LIB_PATH="`$CYGPATH $(pwd)`/[$]{PKG_STUB_LIB_FILE}"
    $1_STUB_LIB_PATH="`$CYGPATH ${pkglibdir}`/[$]{PKG_STUB_LIB_FILE}"

    AC_SUBST(INSTALL_LIBRARY)
])

###
# Tip 430 - ZipFS Modifications
###
#------------------------------------------------------------------------
# TEA_ZIPFS_SUPPORT
#	Locate a zip encoder installed on the system path, or none.
#
# Arguments:
#	none
#
# Results:
#	Substitutes the following vars:



#       MACHER_PROG











#       ZIP_PROG
#       ZIP_PROG_OPTIONS
#       ZIP_PROG_VFSSEARCH
#       ZIP_INSTALL_OBJS
#------------------------------------------------------------------------

AC_DEFUN([TEA_ZIPFS_SUPPORT], [
    MACHER_PROG=""
    ZIP_PROG=""
    ZIP_PROG_OPTIONS=""
    ZIP_PROG_VFSSEARCH=""
    ZIP_INSTALL_OBJS=""


    AC_MSG_CHECKING([for macher])
    AC_CACHE_VAL(ac_cv_path_macher, [
    search_path=`echo ${PATH} | sed -e 's/:/ /g'`
    for dir in $search_path ; do
	for j in `ls -r $dir/macher 2> /dev/null` \
	    `ls -r $dir/macher 2> /dev/null` ; do
	if test x"$ac_cv_path_macher" = x ; then
	    if test -f "$j" ; then
	    ac_cv_path_macher=$j
	    break
	    fi
	fi
	done
    done
    ])
    if test -f "$ac_cv_path_macher" ; then
	MACHER_PROG="$ac_cv_path_macher"
	AC_MSG_RESULT([$MACHER_PROG])
	AC_MSG_RESULT([Found macher in environment])
    fi
    AC_MSG_CHECKING([for zip])
    AC_CACHE_VAL(ac_cv_path_zip, [
    search_path=`echo ${PATH} | sed -e 's/:/ /g'`
    for dir in $search_path ; do
	for j in `ls -r $dir/zip 2> /dev/null` \
	    `ls -r $dir/zip 2> /dev/null` ; do
	if test x"$ac_cv_path_zip" = x ; then
	    if test -f "$j" ; then
	    ac_cv_path_zip=$j
	    break
	    fi
	fi
	done
    done
    ])
    if test -f "$ac_cv_path_zip" ; then
	ZIP_PROG="$ac_cv_path_zip"
	AC_MSG_RESULT([$ZIP_PROG])
	ZIP_PROG_OPTIONS="-rq"
	ZIP_PROG_VFSSEARCH="*"
	AC_MSG_RESULT([Found INFO Zip in environment])
	# Use standard arguments for zip



    else
	# It is not an error if an installed version of Zip can't be located.
	# We can use the locally distributed minizip instead
	ZIP_PROG="./minizip${EXEEXT_FOR_BUILD}"
	ZIP_PROG_OPTIONS="-o -r"
	ZIP_PROG_VFSSEARCH="*"








	ZIP_INSTALL_OBJS="minizip${EXEEXT_FOR_BUILD}"
	AC_MSG_RESULT([No zip found on PATH. Building minizip])







    fi




    AC_SUBST(MACHER_PROG)


    AC_SUBST(ZIP_PROG)
    AC_SUBST(ZIP_PROG_OPTIONS)
    AC_SUBST(ZIP_PROG_VFSSEARCH)

    AC_SUBST(ZIP_INSTALL_OBJS)
])

# Local Variables:
# mode: autoconf
# End: