OSDN Git Service

Initial revision
authorkseitz <kseitz>
Tue, 22 Jul 2008 20:41:59 +0000 (20:41 +0000)
committerkseitz <kseitz>
Tue, 22 Jul 2008 20:41:59 +0000 (20:41 +0000)
itcl/itk/tclconfig/install-sh [new file with mode: 0755]
itcl/itk/tclconfig/tcl.m4 [new file with mode: 0644]
itcl/itk/win/nmakehlp.c [new file with mode: 0644]
itcl/itk/win/toaster.bmp [new file with mode: 0644]

diff --git a/itcl/itk/tclconfig/install-sh b/itcl/itk/tclconfig/install-sh
new file mode 100755 (executable)
index 0000000..0ff4b6a
--- /dev/null
@@ -0,0 +1,119 @@
+#!/bin/sh
+
+#
+# install - install a program, script, or datafile
+# This comes from X11R5; it is not part of GNU.
+#
+# $XConsortium: install.sh,v 1.2 89/12/18 14:47:22 jim Exp $
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+#
+
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit="${DOITPROG-}"
+
+
+# put in absolute paths if you don't have them in your path; or use env. vars.
+
+mvprog="${MVPROG-mv}"
+cpprog="${CPPROG-cp}"
+chmodprog="${CHMODPROG-chmod}"
+chownprog="${CHOWNPROG-chown}"
+chgrpprog="${CHGRPPROG-chgrp}"
+stripprog="${STRIPPROG-strip}"
+rmprog="${RMPROG-rm}"
+
+instcmd="$mvprog"
+chmodcmd=""
+chowncmd=""
+chgrpcmd=""
+stripcmd=""
+rmcmd="$rmprog -f"
+mvcmd="$mvprog"
+src=""
+dst=""
+
+while [ x"$1" != x ]; do
+    case $1 in
+       -c) instcmd="$cpprog"
+           shift
+           continue;;
+
+       -m) chmodcmd="$chmodprog $2"
+           shift
+           shift
+           continue;;
+
+       -o) chowncmd="$chownprog $2"
+           shift
+           shift
+           continue;;
+
+       -g) chgrpcmd="$chgrpprog $2"
+           shift
+           shift
+           continue;;
+
+       -s) stripcmd="$stripprog"
+           shift
+           continue;;
+
+       *)  if [ x"$src" = x ]
+           then
+               src=$1
+           else
+               dst=$1
+           fi
+           shift
+           continue;;
+    esac
+done
+
+if [ x"$src" = x ]
+then
+       echo "install:  no input file specified"
+       exit 1
+fi
+
+if [ x"$dst" = x ]
+then
+       echo "install:  no destination specified"
+       exit 1
+fi
+
+
+# If destination is a directory, append the input filename; if your system
+# does not like double slashes in filenames, you may need to add some logic
+
+if [ -d $dst ]
+then
+       dst="$dst"/`basename $src`
+fi
+
+# Make a temp file name in the proper directory.
+
+dstdir=`dirname $dst`
+dsttmp=$dstdir/#inst.$$#
+
+# Move or copy the file name to the temp name
+
+$doit $instcmd $src $dsttmp
+
+# and set any options; do chmod last to preserve setuid bits
+
+if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; fi
+if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; fi
+if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; fi
+if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; fi
+
+# Now rename the file to the real destination.
+
+$doit $rmcmd $dst
+$doit $mvcmd $dsttmp $dst
+
+
+exit 0
diff --git a/itcl/itk/tclconfig/tcl.m4 b/itcl/itk/tclconfig/tcl.m4
new file mode 100644 (file)
index 0000000..3d41076
--- /dev/null
@@ -0,0 +1,3827 @@
+# 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.
+#
+# RCS: @(#) $Id$
+
+AC_PREREQ(2.50)
+
+#------------------------------------------------------------------------
+# TEA_PATH_TCLCONFIG --
+#
+#      Locate the tclConfig.sh file and perform a sanity check on
+#      the Tcl compile flags
+#
+# Arguments:
+#      none
+#
+# Results:
+#
+#      Adds the following arguments to configure:
+#              --with-tcl=...
+#
+#      Defines the following vars:
+#              TCL_BIN_DIR     Full path to the directory containing
+#                              the tclConfig.sh file
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PATH_TCLCONFIG, [
+    dnl Make sure we are initialized
+    AC_REQUIRE([TEA_INIT])
+    #
+    # Ok, lets find the tcl configuration
+    # First, look for one uninstalled.
+    # the alternative search directory is invoked by --with-tcl
+    #
+
+    if test x"${no_tcl}" = x ; then
+       # we reset no_tcl in case something fails here
+       no_tcl=true
+       AC_ARG_WITH(tcl, [  --with-tcl              directory containing tcl configuration (tclConfig.sh)], with_tclconfig=${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 )
+                       if test -f ${with_tclconfig}; then
+                           AC_MSG_WARN([--with-tcl argument should refer to directory containing tclConfig.sh, not to tclConfig.sh itself])
+                           with_tclconfig=`echo ${with_tclconfig} | sed 's!/tclConfig\.sh$!!'`
+                       fi ;;
+               esac
+               if test -f "${with_tclconfig}/tclConfig.sh" ; then
+                   ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
+               else
+                   AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
+               fi
+           fi
+
+           # then check for a private Tcl installation
+           if test x"${ac_cv_c_tclconfig}" = x ; then
+               for i in \
+                       ../tcl \
+                       `ls -dr ../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
+                       `ls -dr ../tcl[[8-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
+                       ../../tcl \
+                        `ls -dr ../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
+                        `ls -dr ../../tcl[[8-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ../../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
+                       ../../../tcl \
+                        `ls -dr ../../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
+                        `ls -dr ../../../tcl[[8-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ../../../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
+                   if test -f "$i/unix/tclConfig.sh" ; then
+                       ac_cv_c_tclconfig=`(cd $i/unix; pwd)`
+                       break
+                   fi
+               done
+           fi
+
+           # check in a few common install locations
+           if test x"${ac_cv_c_tclconfig}" = x ; then
+               for i in `ls -d ${exec_prefix}/lib 2>/dev/null` \
+                       `ls -d ${prefix}/lib 2>/dev/null` \
+                       `ls -d /usr/local/lib 2>/dev/null` \
+                       `ls -d /usr/contrib/lib 2>/dev/null` \
+                       `ls -d /usr/lib 2>/dev/null` \
+                       ; do
+                   if test -f "$i/tclConfig.sh" ; then
+                       ac_cv_c_tclconfig=`(cd $i; pwd)`
+                       break
+                   fi
+               done
+           fi
+
+           # check in a few other private locations
+           if test x"${ac_cv_c_tclconfig}" = x ; then
+               for i in \
+                       ${srcdir}/../tcl \
+                       `ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
+                       `ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
+                   if test -f "$i/unix/tclConfig.sh" ; then
+                   ac_cv_c_tclconfig=`(cd $i/unix; pwd)`
+                   break
+               fi
+               done
+           fi
+       ])
+
+       if test x"${ac_cv_c_tclconfig}" = x ; then
+           TCL_BIN_DIR="# no Tcl configs found"
+           AC_MSG_WARN("Cannot find Tcl configuration definitions")
+           exit 0
+       else
+           no_tcl=
+           TCL_BIN_DIR=${ac_cv_c_tclconfig}
+           AC_MSG_RESULT([found $TCL_BIN_DIR/tclConfig.sh])
+       fi
+    fi
+])
+
+#------------------------------------------------------------------------
+# TEA_PATH_TKCONFIG --
+#
+#      Locate the tkConfig.sh file
+#
+# Arguments:
+#      none
+#
+# Results:
+#
+#      Adds the following arguments to configure:
+#              --with-tk=...
+#
+#      Defines the following vars:
+#              TK_BIN_DIR      Full path to the directory containing
+#                              the tkConfig.sh file
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PATH_TKCONFIG, [
+    #
+    # Ok, lets find the tk configuration
+    # First, look for one uninstalled.
+    # the alternative search directory is invoked by --with-tk
+    #
+
+    if test x"${no_tk}" = x ; then
+       # we reset no_tk in case something fails here
+       no_tk=true
+       AC_ARG_WITH(tk, [  --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 -f ${with_tkconfig}; then
+                           AC_MSG_WARN([--with-tk argument should refer to directory containing tkConfig.sh, not to tkConfig.sh itself])
+                           with_tkconfig=`echo ${with_tkconfig} | sed 's!/tkConfig\.sh$!!'`
+                       fi ;;
+               esac
+               if test -f "${with_tkconfig}/tkConfig.sh" ; then
+                   ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
+               else
+                   AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
+               fi
+           fi
+
+           # then check for a private Tk library
+           if test x"${ac_cv_c_tkconfig}" = x ; then
+               for i in \
+                       ../tk \
+                       `ls -dr ../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
+                       `ls -dr ../tk[[8-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ../tk[[8-9]].[[0-9]]* 2>/dev/null` \
+                       ../../tk \
+                       `ls -dr ../../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
+                       `ls -dr ../../tk[[8-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ../../tk[[8-9]].[[0-9]]* 2>/dev/null` \
+                       ../../../tk \
+                       `ls -dr ../../../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
+                       `ls -dr ../../../tk[[8-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ../../../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
+                   if test -f "$i/unix/tkConfig.sh" ; then
+                       ac_cv_c_tkconfig=`(cd $i/unix; pwd)`
+                       break
+                   fi
+               done
+           fi
+           # check in a few common install locations
+           if test x"${ac_cv_c_tkconfig}" = x ; then
+               for i in `ls -d ${exec_prefix}/lib 2>/dev/null` \
+                       `ls -d ${prefix}/lib 2>/dev/null` \
+                       `ls -d /usr/local/lib 2>/dev/null` \
+                       `ls -d /usr/contrib/lib 2>/dev/null` \
+                       `ls -d /usr/lib 2>/dev/null` \
+                       ; do
+                   if test -f "$i/tkConfig.sh" ; then
+                       ac_cv_c_tkconfig=`(cd $i; pwd)`
+                       break
+                   fi
+               done
+           fi
+           # check in a few other private locations
+           if test x"${ac_cv_c_tkconfig}" = x ; then
+               for i in \
+                       ${srcdir}/../tk \
+                       `ls -dr ${srcdir}/../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
+                       `ls -dr ${srcdir}/../tk[[8-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ${srcdir}/../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
+                   if test -f "$i/unix/tkConfig.sh" ; then
+                       ac_cv_c_tkconfig=`(cd $i/unix; pwd)`
+                       break
+                   fi
+               done
+           fi
+       ])
+       if test x"${ac_cv_c_tkconfig}" = x ; then
+           TK_BIN_DIR="# no Tk configs found"
+           AC_MSG_WARN("Cannot find Tk configuration definitions")
+           exit 0
+       else
+           no_tk=
+           TK_BIN_DIR=${ac_cv_c_tkconfig}
+           AC_MSG_RESULT([found $TK_BIN_DIR/tkConfig.sh])
+       fi
+    fi
+
+])
+
+#------------------------------------------------------------------------
+# TEA_LOAD_TCLCONFIG --
+#
+#      Load the tclConfig.sh file
+#
+# Arguments:
+#      
+#      Requires the following vars to be set:
+#              TCL_BIN_DIR
+#
+# Results:
+#
+#      Subst the following vars:
+#              TCL_BIN_DIR
+#              TCL_SRC_DIR
+#              TCL_LIB_FILE
+#
+#------------------------------------------------------------------------
+
+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([file not found])
+    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}
+    fi
+
+    #
+    # eval is required to do the TCL_DBGX substitution
+    #
+
+    eval "TCL_LIB_FILE=\"${TCL_LIB_FILE}\""
+    eval "TCL_LIB_FLAG=\"${TCL_LIB_FLAG}\""
+    eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""
+
+    eval "TCL_STUB_LIB_FILE=\"${TCL_STUB_LIB_FILE}\""
+    eval "TCL_STUB_LIB_FLAG=\"${TCL_STUB_LIB_FLAG}\""
+    eval "TCL_STUB_LIB_SPEC=\"${TCL_STUB_LIB_SPEC}\""
+
+    AC_SUBST(TCL_VERSION)
+    AC_SUBST(TCL_BIN_DIR)
+    AC_SUBST(TCL_SRC_DIR)
+
+    AC_SUBST(TCL_LIB_FILE)
+    AC_SUBST(TCL_LIB_FLAG)
+    AC_SUBST(TCL_LIB_SPEC)
+
+    AC_SUBST(TCL_STUB_LIB_FILE)
+    AC_SUBST(TCL_STUB_LIB_FLAG)
+    AC_SUBST(TCL_STUB_LIB_SPEC)
+
+    AC_SUBST(TCL_LIBS)
+    AC_SUBST(TCL_DEFS)
+    AC_SUBST(TCL_EXTRA_CFLAGS)
+    AC_SUBST(TCL_LD_FLAGS)
+    AC_SUBST(TCL_SHLIB_LD_LIBS)
+    #AC_SUBST(TCL_BUILD_LIB_SPEC)
+    #AC_SUBST(TCL_BUILD_STUB_LIB_SPEC)
+])
+
+#------------------------------------------------------------------------
+# TEA_LOAD_TKCONFIG --
+#
+#      Load the tkConfig.sh file
+#
+# Arguments:
+#      
+#      Requires the following vars to be set:
+#              TK_BIN_DIR
+#
+# Results:
+#
+#      Sets the following vars that should be in tkConfig.sh:
+#              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}
+    fi
+
+    #
+    # eval is required to do the TK_DBGX substitution
+    #
+
+    eval "TK_LIB_FILE=\"${TK_LIB_FILE}\""
+    eval "TK_LIB_FLAG=\"${TK_LIB_FLAG}\""
+    eval "TK_LIB_SPEC=\"${TK_LIB_SPEC}\""
+
+    eval "TK_STUB_LIB_FILE=\"${TK_STUB_LIB_FILE}\""
+    eval "TK_STUB_LIB_FLAG=\"${TK_STUB_LIB_FLAG}\""
+    eval "TK_STUB_LIB_SPEC=\"${TK_STUB_LIB_SPEC}\""
+
+    AC_SUBST(TK_VERSION)
+    AC_SUBST(TK_BIN_DIR)
+    AC_SUBST(TK_SRC_DIR)
+
+    AC_SUBST(TK_LIB_FILE)
+    AC_SUBST(TK_LIB_FLAG)
+    AC_SUBST(TK_LIB_SPEC)
+
+    AC_SUBST(TK_STUB_LIB_FILE)
+    AC_SUBST(TK_STUB_LIB_FLAG)
+    AC_SUBST(TK_STUB_LIB_SPEC)
+
+    AC_SUBST(TK_LIBS)
+    AC_SUBST(TK_XINCLUDES)
+])
+
+#------------------------------------------------------------------------
+# TEA_ENABLE_SHARED --
+#
+#      Allows the building of shared libraries
+#
+# Arguments:
+#      none
+#      
+# Results:
+#
+#      Adds the following arguments to configure:
+#              --enable-shared=yes|no
+#
+#      Defines the following vars:
+#              STATIC_BUILD    Used for building import/export libraries
+#                              on Windows.
+#
+#      Sets the following vars:
+#              SHARED_BUILD    Value of 1 or 0
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_ENABLE_SHARED, [
+    AC_MSG_CHECKING([how to build libraries])
+    AC_ARG_ENABLE(shared,
+       [  --enable-shared         build and link with shared libraries [--enable-shared]],
+       [tcl_ok=$enableval], [tcl_ok=yes])
+
+    if test "${enable_shared+set}" = set; then
+       enableval="$enable_shared"
+       tcl_ok=$enableval
+    else
+       tcl_ok=yes
+    fi
+
+    if test "$tcl_ok" = "yes" ; then
+       AC_MSG_RESULT([shared])
+       SHARED_BUILD=1
+    else
+       AC_MSG_RESULT([static])
+       SHARED_BUILD=0
+       AC_DEFINE(STATIC_BUILD)
+    fi
+    AC_SUBST(SHARED_BUILD)
+])
+
+#------------------------------------------------------------------------
+# TEA_ENABLE_THREADS --
+#
+#      Specify if thread support should be enabled.  If "yes" is
+#      specified as an arg (optional), threads are enabled by default.
+#      TCL_THREADS is checked so that if you are compiling an extension
+#      against a threaded core, your extension must be compiled threaded
+#      as well.
+#
+# Arguments:
+#      none
+#      
+# Results:
+#
+#      Adds the following arguments to configure:
+#              --enable-threads
+#
+#      Sets the following vars:
+#              THREADS_LIBS    Thread library(s)
+#
+#      Defines the following vars:
+#              TCL_THREADS
+#              _REENTRANT
+#
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_ENABLE_THREADS, [
+    AC_ARG_ENABLE(threads, [  --enable-threads        build with threads],
+       [tcl_ok=$enableval], [tcl_ok=$1])
+
+    if test "$tcl_ok" = "yes" -o "${TCL_THREADS}" = 1; then
+       TCL_THREADS=1
+
+       if test "${TEA_PLATFORM}" != "windows" ; then
+           # We are always OK on Windows, so check what this platform wants.
+           AC_DEFINE(USE_THREAD_ALLOC)
+           AC_DEFINE(_REENTRANT)
+           AC_DEFINE(_THREAD_SAFE)
+           AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
+           if test "$tcl_ok" = "no"; then
+               # Check a little harder for __pthread_mutex_init in the
+               # same library, as some systems hide it there until
+               # pthread.h is defined.  We could alternatively do an
+               # AC_TRY_COMPILE with pthread.h, but that will work with
+               # libpthread really doesn't exist, like AIX 4.2.
+               # [Bug: 4359]
+               AC_CHECK_LIB(pthread, __pthread_mutex_init,
+                   tcl_ok=yes, tcl_ok=no)
+           fi
+           
+           if test "$tcl_ok" = "yes"; then
+               # The space is needed
+               THREADS_LIBS=" -lpthread"
+           else
+               AC_CHECK_LIB(pthreads, pthread_mutex_init,
+                   tcl_ok=yes, tcl_ok=no)
+               if test "$tcl_ok" = "yes"; then
+                   # The space is needed
+                   THREADS_LIBS=" -lpthreads"
+               else
+                   AC_CHECK_LIB(c, pthread_mutex_init,
+                       tcl_ok=yes, tcl_ok=no)
+                   if test "$tcl_ok" = "no"; then
+                       AC_CHECK_LIB(c_r, pthread_mutex_init,
+                           tcl_ok=yes, tcl_ok=no)
+                       if test "$tcl_ok" = "yes"; then
+                           # The space is needed
+                           THREADS_LIBS=" -pthread"
+                       else
+                           TCL_THREADS=0
+                           AC_MSG_WARN("Don t know how to find pthread lib on your system - thread support disabled")
+                       fi
+                   fi
+               fi
+           fi
+
+           # Does the pthread-implementation provide
+           # 'pthread_attr_setstacksize' ?
+
+           ac_saved_libs=$LIBS
+           LIBS="$LIBS $THREADS_LIBS"
+           AC_CHECK_FUNCS(pthread_attr_setstacksize)
+           LIBS=$ac_saved_libs
+           AC_CHECK_FUNCS(readdir_r)
+       fi
+    else
+       TCL_THREADS=0
+    fi
+    # Do checking message here to not mess up interleaved configure output
+    AC_MSG_CHECKING([for building with threads])
+    if test "${TCL_THREADS}" = "1"; then
+       AC_DEFINE(TCL_THREADS)
+       #LIBS="$LIBS $THREADS_LIBS"
+       AC_MSG_RESULT([yes])
+    else
+       AC_MSG_RESULT([no (default)])
+    fi
+    # TCL_THREADS sanity checking.  See if our request for building with
+    # threads is the same as the way Tcl was built.  If not, warn the user.
+    case ${TCL_DEFS} in
+       *THREADS=1*)
+           if test "${TCL_THREADS}" = "0"; then
+               AC_MSG_WARN([
+    Building ${PACKAGE_NAME} without threads enabled, but building against a Tcl
+    that IS thread-enabled.])
+           fi
+           ;;
+       *)
+           if test "${TCL_THREADS}" = "1"; then
+               AC_MSG_WARN([
+    --enable-threads requested, but attempting building against a Tcl
+    that is NOT thread-enabled.])
+           fi
+           ;;
+    esac
+    AC_SUBST(TCL_THREADS)
+])
+
+#------------------------------------------------------------------------
+# TEA_ENABLE_SYMBOLS --
+#
+#      Specify if debugging symbols should be used
+#      Memory (TCL_MEM_DEBUG) debugging can also be enabled.
+#
+# Arguments:
+#      none
+#      
+#      Requires the following vars to be set:
+#              CFLAGS_DEBUG
+#              CFLAGS_OPTIMIZE
+#              LDFLAGS_DEBUG
+#              LDFLAGS_OPTIMIZE
+#      
+# Results:
+#
+#      Adds the following arguments to configure:
+#              --enable-symbols
+#
+#      Defines the following vars:
+#              CFLAGS_DEFAULT  Sets to CFLAGS_DEBUG if true
+#                              Sets to CFLAGS_OPTIMIZE if false
+#              LDFLAGS_DEFAULT Sets to LDFLAGS_DEBUG if true
+#                              Sets to LDFLAGS_OPTIMIZE if false
+#              DBGX            Formerly used as debug library extension;
+#                              always blank now.
+#
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_ENABLE_SYMBOLS, [
+    dnl Make sure we are initialized
+    AC_REQUIRE([TEA_CONFIG_CFLAGS])
+
+    DBGX=""
+
+    AC_MSG_CHECKING([for build with symbols])
+    AC_ARG_ENABLE(symbols, [  --enable-symbols        build with debugging symbols [--disable-symbols]],    [tcl_ok=$enableval], [tcl_ok=no])
+    if test "$tcl_ok" = "no"; then
+       CFLAGS_DEFAULT="${CFLAGS_OPTIMIZE}"
+       LDFLAGS_DEFAULT="${LDFLAGS_OPTIMIZE}"
+       AC_MSG_RESULT([no])
+    else
+       CFLAGS_DEFAULT="${CFLAGS_DEBUG}"
+       LDFLAGS_DEFAULT="${LDFLAGS_DEBUG}"
+       if test "$tcl_ok" = "yes"; then
+           AC_MSG_RESULT([yes (standard debugging)])
+       fi
+    fi
+    if test "${TEA_PLATFORM}" != "windows" ; then
+       LDFLAGS_DEFAULT="${LDFLAGS}"
+    fi
+
+    AC_SUBST(TCL_DBGX)
+    AC_SUBST(CFLAGS_DEFAULT)
+    AC_SUBST(LDFLAGS_DEFAULT)
+
+    if test "$tcl_ok" = "mem" -o "$tcl_ok" = "all"; then
+       AC_DEFINE(TCL_MEM_DEBUG)
+    fi
+
+    if test "$tcl_ok" != "yes" -a "$tcl_ok" != "no"; then
+       if test "$tcl_ok" = "all"; then
+           AC_MSG_RESULT([enabled symbols mem debugging])
+       else
+           AC_MSG_RESULT([enabled $tcl_ok debugging])
+       fi
+    fi
+])
+
+#------------------------------------------------------------------------
+# TEA_ENABLE_LANGINFO --
+#
+#      Allows use of modern nl_langinfo check for better l10n.
+#      This is only relevant for Unix.
+#
+# Arguments:
+#      none
+#      
+# Results:
+#
+#      Adds the following arguments to configure:
+#              --enable-langinfo=yes|no (default is yes)
+#
+#      Defines the following vars:
+#              HAVE_LANGINFO   Triggers use of nl_langinfo if defined.
+#
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_ENABLE_LANGINFO, [
+    AC_ARG_ENABLE(langinfo,
+       [  --enable-langinfo      use nl_langinfo if possible to determine
+                         encoding at startup, otherwise use old heuristic],
+       [langinfo_ok=$enableval], [langinfo_ok=yes])
+
+    HAVE_LANGINFO=0
+    if test "$langinfo_ok" = "yes"; then
+       if test "$langinfo_ok" = "yes"; then
+           AC_CHECK_HEADER(langinfo.h,[langinfo_ok=yes],[langinfo_ok=no])
+       fi
+    fi
+    AC_MSG_CHECKING([whether to use nl_langinfo])
+    if test "$langinfo_ok" = "yes"; then
+       AC_TRY_COMPILE([#include <langinfo.h>],
+               [nl_langinfo(CODESET);],[langinfo_ok=yes],[langinfo_ok=no])
+       if test "$langinfo_ok" = "no"; then
+           langinfo_ok="no (could not compile with nl_langinfo)";
+       fi
+       if test "$langinfo_ok" = "yes"; then
+           AC_DEFINE(HAVE_LANGINFO)
+       fi
+    fi
+    AC_MSG_RESULT([$langinfo_ok])
+])
+
+#--------------------------------------------------------------------
+# TEA_CONFIG_CFLAGS
+#
+#      Try to determine the proper flags to pass to the compiler
+#      for building shared libraries and other such nonsense.
+#
+# Arguments:
+#      none
+#
+# Results:
+#
+#      Defines the following vars:
+#
+#       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.
+#       LDFLAGS -      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.
+#       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
+#                       ${PACKAGE_VERSION} variable to put the version in
+#                       the right place.  This is used by platforms that
+#                       need non-standard library names.
+#                       Examples:  ${PACKAGE_VERSION}.so.1.1 on NetBSD,
+#                       since it needs to have a version after the .so, and
+#                       ${PACKAGE_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
+#                       ${PACKAGE_VERSION}${SHLIB_SUFFIX}.
+#       TCL_NEEDS_EXP_FILE -
+#                       1 means that an export file is needed to link to a
+#                       shared library.
+#       TCL_EXP_FILE -  The name of the installed export / import file which
+#                       should be used to link to the Tcl shared library.
+#                       Empty if Tcl is unshared.
+#       TCL_BUILD_EXP_FILE -
+#                       The name of the built export / import file which
+#                       should be used to link to the Tcl shared library.
+#                       Empty if Tcl is unshared.
+#      CFLAGS_DEBUG -
+#                      Flags used when running the compiler in debug mode
+#      CFLAGS_OPTIMIZE -
+#                      Flags used when running the compiler in optimize mode
+#      CFLAGS -        We add CFLAGS to pass to the compiler
+#
+#      Subst's the following vars:
+#              DL_LIBS
+#              CFLAGS_DEBUG
+#              CFLAGS_OPTIMIZE
+#              CFLAGS_WARNING
+#
+#              STLIB_LD
+#              SHLIB_LD
+#              SHLIB_CFLAGS
+#              LDFLAGS_DEBUG
+#              LDFLAGS_OPTIMIZE
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_CONFIG_CFLAGS, [
+    dnl Make sure we are initialized
+    AC_REQUIRE([TEA_INIT])
+
+    # Step 0: Enable 64 bit support?
+
+    AC_MSG_CHECKING([if 64bit support is enabled])
+    AC_ARG_ENABLE(64bit,[  --enable-64bit          enable 64bit support (where applicable)], [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,[  --enable-64bit-vis      enable 64bit Sparc VIS support], [do64bitVIS=$enableval], [do64bitVIS=no])
+    AC_MSG_RESULT([$do64bitVIS])
+
+    if test "$do64bitVIS" = "yes"; then
+       # Force 64bit on with VIS
+       do64bit=yes
+    fi
+
+    # Step 0.c: Cross-compiling options for Windows/CE builds?
+
+    if test "${TEA_PLATFORM}" = "windows" ; then
+       AC_MSG_CHECKING([if Windows/CE build is requested])
+       AC_ARG_ENABLE(wince,[  --enable-wince          enable Win/CE support (where applicable)], [doWince=$enableval], [doWince=no])
+       AC_MSG_RESULT($doWince)
+    fi
+
+    # 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.
+
+    AC_MSG_CHECKING([system version (for dynamic loading)])
+    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
+           AC_MSG_RESULT([unknown (can't find uname command)])
+           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 $3}' /etc/.relid'`
+           fi
+           if test "`uname -s`" = "AIX" ; then
+               system=AIX-`uname -v`.`uname -r`
+           fi
+           if test "${TEA_PLATFORM}" = "windows" ; then
+               system=windows
+           fi
+           AC_MSG_RESULT([$system])
+       fi
+    fi
+
+    # Step 2: check for existence of -ldl library.  This is needed because
+    # Linux can use either -ldl or -ldld for dynamic loading.
+
+    AC_CHECK_LIB(dl, dlopen, have_dl=yes, have_dl=no)
+
+    # Step 3: set configuration options based on system name and version.
+    # This is similar to Tcl's unix/tcl.m4 except that we've added a
+    # "windows" case and CC_SEARCH_FLAGS becomes LD_SEARCH_FLAGS for us
+    # (and we have no CC_SEARCH_FLAGS).
+
+    do64bit_ok=no
+    LDFLAGS_ORIG="$LDFLAGS"
+    TCL_EXPORT_FILE_SUFFIX=""
+    UNSHARED_LIB_SUFFIX=""
+    TCL_TRIM_DOTS='`echo ${PACKAGE_VERSION} | tr -d .`'
+    ECHO_VERSION='`echo ${PACKAGE_VERSION}`'
+    TCL_LIB_VERSIONS_OK=ok
+    CFLAGS_DEBUG=-g
+    if test "$GCC" = "yes" ; then
+       CFLAGS_OPTIMIZE=-O2
+       CFLAGS_WARNING="-Wall -Wno-implicit-int"
+    else
+       CFLAGS_OPTIMIZE=-O
+       CFLAGS_WARNING=""
+    fi
+    TCL_NEEDS_EXP_FILE=0
+    TCL_BUILD_EXP_FILE=""
+    TCL_EXP_FILE=""
+dnl FIXME: Replace AC_CHECK_PROG with AC_CHECK_TOOL once cross compiling is fixed.
+dnl AC_CHECK_TOOL(AR, ar, :)
+    AC_CHECK_PROG(AR, ar, ar)
+    STLIB_LD='${AR} cr'
+    LD_LIBRARY_PATH_VAR="LD_LIBRARY_PATH"
+    case $system in
+       windows)
+           # This is a 2-stage check to make sure we have the 64-bit SDK
+           # We have to know where the SDK is installed.
+           if test "$do64bit" = "yes" ; then
+               if test "x${MSSDK}x" = "xx" ; then
+                   MSSDK="C:/Progra~1/Microsoft SDK"
+               fi
+               # Ensure that this path has no spaces to work in autoconf
+               TEA_PATH_NOSPACE(MSSDK, ${MSSDK})
+               if test ! -d "${MSSDK}/bin/win64" ; then
+                   AC_MSG_WARN([could not find 64-bit SDK to enable 64bit mode])
+                   do64bit="no"
+               else
+                   do64bit_ok="yes"
+               fi
+           fi
+
+           if test "$doWince" != "no" ; then
+               if test "$do64bit" = "yes" ; then
+                   AC_MSG_ERROR([Windows/CE and 64-bit builds incompatible])
+               fi
+               if test "$GCC" = "yes" ; then
+                   AC_MSG_ERROR([Windows/CE and GCC builds incompatible])
+               fi
+               TEA_PATH_CELIB
+               # Set defaults for common evc4/PPC2003 setup
+               # Currently Tcl requires 300+, possibly 420+ for sockets
+               CEVERSION=420;          # could be 211 300 301 400 420 ...
+               TARGETCPU=ARMV4;        # could be ARMV4 ARM MIPS SH3 X86 ...
+               ARCH=ARM;               # could be ARM MIPS X86EM ...
+               PLATFORM="Pocket PC 2003"; # or "Pocket PC 2002"
+               if test "$doWince" != "yes"; then
+                   # If !yes then the user specified something
+                   # Reset ARCH to allow user to skip specifying it
+                   ARCH=
+                   eval `echo $doWince | awk -F, '{ \
+           if (length([$]1)) { printf "CEVERSION=\"%s\"\n", [$]1; \
+           if ([$]1 < 400)   { printf "PLATFORM=\"Pocket PC 2002\"\n" } }; \
+           if (length([$]2)) { printf "TARGETCPU=\"%s\"\n", toupper([$]2) }; \
+           if (length([$]3)) { printf "ARCH=\"%s\"\n", toupper([$]3) }; \
+           if (length([$]4)) { printf "PLATFORM=\"%s\"\n", [$]4 }; \
+                   }'`
+                   if test "x${ARCH}" = "x" ; then
+                       ARCH=$TARGETCPU;
+                   fi
+               fi
+               OSVERSION=WCE$CEVERSION;
+               if test "x${WCEROOT}" = "x" ; then
+                       WCEROOT="C:/Program Files/Microsoft eMbedded C++ 4.0"
+                   if test ! -d "${WCEROOT}" ; then
+                       WCEROOT="C:/Program Files/Microsoft eMbedded Tools"
+                   fi
+               fi
+               if test "x${SDKROOT}" = "x" ; then
+                   SDKROOT="C:/Program Files/Windows CE Tools"
+                   if test ! -d "${SDKROOT}" ; then
+                       SDKROOT="C:/Windows CE Tools"
+                   fi
+               fi
+               # Ensure that this path has no spaces to work in autoconf
+               TEA_PATH_NOSPACE(WCEROOT, ${WCEROOT})
+               TEA_PATH_NOSPACE(SDKROOT, ${SDKROOT})
+               if test ! -d "${SDKROOT}/${OSVERSION}/${PLATFORM}/Lib/${TARGETCPU}" \
+                   -o ! -d "${WCEROOT}/EVC/${OSVERSION}/bin"; then
+                   AC_MSG_ERROR([could not find PocketPC SDK or target compiler to enable WinCE mode [$CEVERSION,$TARGETCPU,$ARCH,$PLATFORM]])
+                   doWince="no"
+               else
+                   # We could PATH_NOSPACE these, but that's not important,
+                   # as long as we quote them when used.
+                   CEINCLUDE="${SDKROOT}/${OSVERSION}/${PLATFORM}/include"
+                   if test -d "${CEINCLUDE}/${TARGETCPU}" ; then
+                       CEINCLUDE="${CEINCLUDE}/${TARGETCPU}"
+                   fi
+                   CELIBPATH="${SDKROOT}/${OSVERSION}/${PLATFORM}/Lib/${TARGETCPU}"
+               fi
+           fi
+
+           if test "$GCC" != "yes" ; then
+               if test "${SHARED_BUILD}" = "0" ; then
+                   runtime=-MT
+               else
+                   runtime=-MD
+               fi
+
+                if test "$do64bit" = "yes" ; then
+                   # All this magic is necessary for the Win64 SDK RC1 - hobbs
+                   CC="${MSSDK}/Bin/Win64/cl.exe"
+                   CFLAGS="${CFLAGS} -I${MSSDK}/Include/prerelease \
+                       -I${MSSDK}/Include/Win64/crt \
+                       -I${MSSDK}/Include"
+                   RC="${MSSDK}/bin/rc.exe"
+                   lflags="-MACHINE:IA64 -LIBPATH:${MSSDK}/Lib/IA64 \
+                       -LIBPATH:${MSSDK}/Lib/Prerelease/IA64 -nologo"
+                   LINKBIN="${MSSDK}/bin/win64/link.exe"
+                   CFLAGS_DEBUG="-nologo -Zi -Od -W3 ${runtime}d"
+                   CFLAGS_OPTIMIZE="-nologo -O2 -W2 ${runtime}"
+               elif test "$doWince" != "no" ; then
+                   CEBINROOT="${WCEROOT}/EVC/${OSVERSION}/bin"
+                   if test "${TARGETCPU}" = "X86"; then
+                       CC="${CEBINROOT}/cl.exe"
+                   else
+                       CC="${CEBINROOT}/cl${ARCH}.exe"
+                   fi
+                   CFLAGS="$CFLAGS -I\"${CELIB_DIR}/inc\" -I\"${CEINCLUDE}\""
+                   RC="${WCEROOT}/Common/EVC/bin/rc.exe"
+                   arch=`echo ${ARCH} | awk '{print tolower([$]0)}'`
+                   defs="${ARCH} _${ARCH}_ ${arch} PALM_SIZE _MT _WINDOWS"
+                   if test "${SHARED_BUILD}" = "1" ; then
+                       # Static CE builds require static celib as well
+                       defs="${defs} _DLL"
+                   fi
+                   for i in $defs ; do
+                       AC_DEFINE_UNQUOTED($i)
+                   done
+                   AC_DEFINE_UNQUOTED(_WIN32_WCE, $CEVERSION)
+                   AC_DEFINE_UNQUOTED(UNDER_CE, $CEVERSION)
+                   CFLAGS_DEBUG="-nologo -Zi -Od"
+                   CFLAGS_OPTIMIZE="-nologo -Ox"
+                   lversion=`echo ${CEVERSION} | sed -e 's/\(.\)\(..\)/\1\.\2/'`
+                   lflags="-MACHINE:${ARCH} -LIBPATH:\"${CELIBPATH}\" -subsystem:windowsce,${lversion} -nologo"
+                   LINKBIN="${CEBINROOT}/link.exe"
+                   AC_SUBST(CELIB_DIR)
+               else
+                   RC="rc"
+                   lflags="-nologo"
+                   LINKBIN="link"
+                   CFLAGS_DEBUG="-nologo -Z7 -Od -W3 -WX ${runtime}d"
+                   CFLAGS_OPTIMIZE="-nologo -O2 -W2 ${runtime}"
+               fi
+           fi
+
+           if test "$GCC" = "yes"; then
+               # mingw gcc mode
+               RC="windres"
+               CFLAGS_DEBUG="-g"
+               CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
+               SHLIB_LD="$CC -shared"
+               UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
+               LDFLAGS_CONSOLE="-wl,--subsystem,console ${lflags}"
+               LDFLAGS_WINDOW="-wl,--subsystem,windows ${lflags}"
+           else
+               SHLIB_LD="${LINKBIN} -dll ${lflags}"
+               # link -lib only works when -lib is the first arg
+               STLIB_LD="${LINKBIN} -lib ${lflags}"
+               UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.lib'
+               PATHTYPE=-w
+               # For information on what debugtype is most useful, see:
+               # http://msdn.microsoft.com/library/en-us/dnvc60/html/gendepdebug.asp
+               # This essentially turns it all on.
+               LDFLAGS_DEBUG="-debug:full -debugtype:both -warn:2"
+               LDFLAGS_OPTIMIZE="-release"
+               if test "$doWince" != "no" ; then
+                   LDFLAGS_CONSOLE="-link ${lflags}"
+                   LDFLAGS_WINDOW=${LDFLAGS_CONSOLE}
+               else
+                   LDFLAGS_CONSOLE="-link -subsystem:console ${lflags}"
+                   LDFLAGS_WINDOW="-link -subsystem:windows ${lflags}"
+               fi
+           fi
+
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".dll"
+           SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.dll'
+
+           TCL_LIB_VERSIONS_OK=nodots
+           # Bogus to avoid getting this turned off
+           DL_OBJS="tclLoadNone.obj"
+           ;;
+       AIX-*)
+           if test "${TCL_THREADS}" = "1" -a "$GCC" != "yes" ; then
+               # AIX requires the _r compiler when gcc isn't being used
+               if test "${CC}" != "cc_r" ; then
+                   CC=${CC}_r
+               fi
+               AC_MSG_RESULT([Using $CC for compiling with threads])
+           fi
+           LIBS="$LIBS -lc"
+           SHLIB_CFLAGS=""
+           SHLIB_SUFFIX=".so"
+           SHLIB_LD_LIBS='${LIBS}'
+
+           DL_OBJS="tclLoadDl.o"
+           LD_LIBRARY_PATH_VAR="LIBPATH"
+
+           # AIX v<=4.1 has some different flags than 4.2+
+           if test "$system" = "AIX-4.1" -o "`uname -v`" -lt "4" ; then
+               #LIBOBJS="$LIBOBJS tclLoadAix.o"
+               AC_LIBOBJ([tclLoadAix])
+               DL_LIBS="-lld"
+           fi
+
+           # Check to enable 64-bit flags for compiler/linker on AIX 4+
+           if test "$do64bit" = "yes" -a "`uname -v`" -gt "3" ; then
+               if test "$GCC" = "yes" ; then
+                   AC_MSG_WARN("64bit mode not supported with GCC on $system")
+               else 
+                   do64bit_ok=yes
+                   CFLAGS="$CFLAGS -q64"
+                   LDFLAGS="$LDFLAGS -q64"
+                   RANLIB="${RANLIB} -X64"
+                   AR="${AR} -X64"
+                   SHLIB_LD_FLAGS="-b64"
+               fi
+           fi
+
+           if test "`uname -m`" = "ia64" ; then
+               # AIX-5 uses ELF style dynamic libraries on IA-64, but not PPC
+               SHLIB_LD="/usr/ccs/bin/ld -G -z text"
+               # AIX-5 has dl* in libc.so
+               DL_LIBS=""
+               if test "$GCC" = "yes" ; then
+                   LD_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
+               else
+                   LD_SEARCH_FLAGS='-R${LIB_RUNTIME_DIR}'
+               fi
+           else
+               if test "$GCC" = "yes" ; then
+                   SHLIB_LD="gcc -shared"
+               else
+                   SHLIB_LD="/bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512 -bnoentry"
+               fi
+               SHLIB_LD="${TCL_SRC_DIR}/unix/ldAix ${SHLIB_LD} ${SHLIB_LD_FLAGS}"
+               DL_LIBS="-ldl"
+               LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
+               TCL_NEEDS_EXP_FILE=1
+               TCL_EXPORT_FILE_SUFFIX='${PACKAGE_VERSION}.exp'
+           fi
+
+           # On AIX <=v4 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.
+           #
+           # 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.
+
+           AC_CHECK_LIB(bsd, gettimeofday, libbsd=yes, libbsd=no)
+           if test $libbsd = yes; then
+               MATH_LIBS="$MATH_LIBS -lbsd"
+               AC_DEFINE(USE_DELTA_FOR_TZ)
+           fi
+           ;;
+       BeOS*)
+           SHLIB_CFLAGS="-fPIC"
+           SHLIB_LD="${CC} -nostart"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS="-ldl"
+           ;;
+       BSD/OS-2.1*|BSD/OS-3*)
+           SHLIB_CFLAGS=""
+           SHLIB_LD="shlicc -r"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS="-ldl"
+           LD_SEARCH_FLAGS=""
+           ;;
+       BSD/OS-4.*)
+           SHLIB_CFLAGS="-export-dynamic -fPIC"
+           SHLIB_LD="cc -shared"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS="-ldl"
+           LDFLAGS="$LDFLAGS -export-dynamic"
+           LD_SEARCH_FLAGS=""
+           ;;
+       dgux*)
+           SHLIB_CFLAGS="-K PIC"
+           SHLIB_LD="cc -G"
+           SHLIB_LD_LIBS=""
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS="-ldl"
+           LD_SEARCH_FLAGS=""
+           ;;
+       HP-UX-*.11.*)
+           # Use updated header definitions where possible
+           AC_DEFINE(_XOPEN_SOURCE_EXTENDED)
+
+           SHLIB_SUFFIX=".sl"
+           AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
+           if test "$tcl_ok" = yes; then
+               SHLIB_CFLAGS="+z"
+               SHLIB_LD="ld -b"
+               SHLIB_LD_LIBS='${LIBS}'
+               DL_OBJS="tclLoadShl.o"
+               DL_LIBS="-ldld"
+               LDFLAGS="$LDFLAGS -Wl,-E"
+               LD_SEARCH_FLAGS='+s +b ${LIB_RUNTIME_DIR}:.'
+               LD_LIBRARY_PATH_VAR="SHLIB_PATH"
+           fi
+           if test "$GCC" = "yes" ; then
+               SHLIB_LD="gcc -shared"
+               SHLIB_LD_LIBS='${LIBS}'
+               LD_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
+           fi
+
+           # Users may want PA-RISC 1.1/2.0 portable code - needs HP cc
+           #CFLAGS="$CFLAGS +DAportable"
+
+           # Check to enable 64-bit flags for compiler/linker
+           if test "$do64bit" = "yes" ; then
+               if test "$GCC" = "yes" ; then
+                   hpux_arch=`${CC} -dumpmachine`
+                   case $hpux_arch in
+                       hppa64*)
+                           # 64-bit gcc in use.  Fix flags for GNU ld.
+                           do64bit_ok=yes
+                           SHLIB_LD="${CC} -shared"
+                           SHLIB_LD_LIBS='${LIBS}'
+                           ;;
+                       *)
+                           AC_MSG_WARN("64bit mode not supported with GCC on $system")
+                           ;;
+                   esac
+               else
+                   do64bit_ok=yes
+                   CFLAGS="$CFLAGS +DD64"
+                   LDFLAGS="$LDFLAGS +DD64"
+               fi
+           fi
+           ;;
+       HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
+           SHLIB_SUFFIX=".sl"
+           AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
+           if test "$tcl_ok" = yes; then
+               SHLIB_CFLAGS="+z"
+               SHLIB_LD="ld -b"
+               SHLIB_LD_LIBS=""
+               DL_OBJS="tclLoadShl.o"
+               DL_LIBS="-ldld"
+               LDFLAGS="$LDFLAGS -Wl,-E"
+               LD_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
+           fi
+           LD_LIBRARY_PATH_VAR="SHLIB_PATH"
+           ;;
+       IRIX-4.*)
+           SHLIB_CFLAGS="-G 0"
+           SHLIB_SUFFIX=".a"
+           SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
+           SHLIB_LD_LIBS='${LIBS}'
+           DL_OBJS="tclLoadAout.o"
+           DL_LIBS=""
+           LDFLAGS="$LDFLAGS -Wl,-D,08000000"
+           LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
+           SHARED_LIB_SUFFIX='${PACKAGE_VERSION}.a'
+           ;;
+       IRIX-5.*)
+           SHLIB_CFLAGS=""
+           SHLIB_LD="ld -shared -rdata_shared"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS=""
+           LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
+           ;;
+       IRIX-6.*|IRIX64-6.5*)
+           SHLIB_CFLAGS=""
+           SHLIB_LD="ld -n32 -shared -rdata_shared"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS=""
+           LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
+           if test "$GCC" = "yes" ; then
+               CFLAGS="$CFLAGS -mabi=n32"
+               LDFLAGS="$LDFLAGS -mabi=n32"
+           else
+               case $system in
+                   IRIX-6.3)
+                       # Use to build 6.2 compatible binaries on 6.3.
+                       CFLAGS="$CFLAGS -n32 -D_OLD_TERMIOS"
+                       ;;
+                   *)
+                       CFLAGS="$CFLAGS -n32"
+                       ;;
+               esac
+               LDFLAGS="$LDFLAGS -n32"
+           fi
+           ;;
+       IRIX64-6.*)
+           SHLIB_CFLAGS=""
+           SHLIB_LD="ld -n32 -shared -rdata_shared"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS=""
+           LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
+
+           # Check to enable 64-bit flags for compiler/linker
+
+           if test "$do64bit" = "yes" ; then
+               if test "$GCC" = "yes" ; then
+                   AC_MSG_WARN([64bit mode not supported by gcc])
+               else
+                   do64bit_ok=yes
+                   SHLIB_LD="ld -64 -shared -rdata_shared"
+                   CFLAGS="$CFLAGS -64"
+                   LDFLAGS="$LDFLAGS -64"
+               fi
+           fi
+           ;;
+       Linux*)
+           SHLIB_CFLAGS="-fPIC"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+
+           CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
+           # egcs-2.91.66 on Redhat Linux 6.0 generates lots of warnings 
+           # when you inline the string and math operations.  Turn this off to
+           # get rid of the warnings.
+
+           #CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
+
+           if test "$have_dl" = yes; then
+               SHLIB_LD="${CC} -shared"
+               DL_OBJS="tclLoadDl.o"
+               DL_LIBS="-ldl"
+               LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
+               LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
+           else
+               AC_CHECK_HEADER(dld.h, [
+                   SHLIB_LD="ld -shared"
+                   DL_OBJS="tclLoadDld.o"
+                   DL_LIBS="-ldld"
+                   LD_SEARCH_FLAGS=""])
+           fi
+           if test "`uname -m`" = "alpha" ; then
+               CFLAGS="$CFLAGS -mieee"
+           fi
+
+           # The combo of gcc + glibc has a bug related
+           # to inlining of functions like strtod(). The
+           # -fno-builtin flag should address this problem
+           # but it does not work. The -fno-inline flag
+           # is kind of overkill but it works.
+           # Disable inlining only when one of the
+           # files in compat/*.c is being linked in.
+           if test x"${USE_COMPAT}" != x ; then
+               CFLAGS="$CFLAGS -fno-inline"
+           fi
+
+           ;;
+       GNU*)
+           SHLIB_CFLAGS="-fPIC"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+
+           if test "$have_dl" = yes; then
+               SHLIB_LD="${CC} -shared"
+               DL_OBJS=""
+               DL_LIBS="-ldl"
+               LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
+               LD_SEARCH_FLAGS=""
+           else
+               AC_CHECK_HEADER(dld.h, [
+                   SHLIB_LD="ld -shared"
+                   DL_OBJS=""
+                   DL_LIBS="-ldld"
+                   LD_SEARCH_FLAGS=""])
+           fi
+           if test "`uname -m`" = "alpha" ; then
+               CFLAGS="$CFLAGS -mieee"
+           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_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"
+           LDFLAGS="$LDFLAGS -Wl,-Bexport"
+           LD_SEARCH_FLAGS=""
+           ;;
+       NetBSD-*|FreeBSD-[[1-2]].*)
+           # Not available on all versions:  check for include file.
+           AC_CHECK_HEADER(dlfcn.h, [
+               # NetBSD/SPARC needs -fPIC, -fpic will not do.
+               SHLIB_CFLAGS="-fPIC"
+               SHLIB_LD="ld -Bshareable -x"
+               SHLIB_LD_LIBS=""
+               SHLIB_SUFFIX=".so"
+               DL_OBJS="tclLoadDl.o"
+               DL_LIBS=""
+               LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
+               AC_MSG_CHECKING([for ELF])
+               AC_EGREP_CPP(yes, [
+#ifdef __ELF__
+       yes
+#endif
+               ],
+                   AC_MSG_RESULT([yes])
+                   SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so',
+                   AC_MSG_RESULT([no])
+                   SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
+               )
+           ], [
+               SHLIB_CFLAGS=""
+               SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r"
+               SHLIB_LD_LIBS='${LIBS}'
+               SHLIB_SUFFIX=".a"
+               DL_OBJS="tclLoadAout.o"
+               DL_LIBS=""
+               LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
+               SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
+           ])
+
+           # FreeBSD doesn't handle version numbers with dots.
+
+           UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
+           TCL_LIB_VERSIONS_OK=nodots
+           ;;
+       OpenBSD-*)
+           SHLIB_LD="${CC} -shared"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS=""
+           LD_SEARCH_FLAGS=""
+           AC_MSG_CHECKING(for ELF)
+           AC_EGREP_CPP(yes, [
+#ifdef __ELF__
+       yes
+#endif
+           ],
+               [AC_MSG_RESULT(yes)
+               SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'],
+               [AC_MSG_RESULT(no)
+               SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0']
+           )
+
+           # OpenBSD doesn't do version numbers with dots.
+           UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
+           TCL_LIB_VERSIONS_OK=nodots
+           ;;
+       FreeBSD-*)
+           # FreeBSD 3.* and greater have ELF.
+           SHLIB_CFLAGS="-fPIC"
+           SHLIB_LD="ld -Bshareable -x"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS=""
+           LDFLAGS="$LDFLAGS -export-dynamic"
+           LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
+           if test "${TCL_THREADS}" = "1" ; then
+               # The -pthread needs to go in the CFLAGS, not LIBS
+               LIBS=`echo $LIBS | sed s/-pthread//`
+               CFLAGS="$CFLAGS -pthread"
+               LDFLAGS="$LDFLAGS -pthread"
+           fi
+           case $system in
+           FreeBSD-3.*)
+               # FreeBSD-3 doesn't handle version numbers with dots.
+               UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
+               SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so'
+               TCL_LIB_VERSIONS_OK=nodots
+               ;;
+           esac
+           ;;
+       Darwin-*)
+           SHLIB_CFLAGS="-fno-common"
+           SHLIB_LD="cc -dynamiclib \${LDFLAGS}"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".dylib"
+           DL_OBJS="tclLoadDyld.o"
+           DL_LIBS=""
+           LDFLAGS="$LDFLAGS -prebind -Wl,-search_paths_first"
+           LD_SEARCH_FLAGS=""
+           LD_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH"
+           CFLAGS_OPTIMIZE="-Os"
+           ;;
+       NEXTSTEP-*)
+           SHLIB_CFLAGS=""
+           SHLIB_LD="cc -nostdlib -r"
+           SHLIB_LD_LIBS=""
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadNext.o"
+           DL_LIBS=""
+           LD_SEARCH_FLAGS=""
+           ;;
+       OS/390-*)
+           CFLAGS_OPTIMIZE=""      # Optimizer is buggy
+           AC_DEFINE(_OE_SOCKETS)  # needed in sys/socket.h
+           ;;      
+       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 $@:'
+           SHLIB_LD_LIBS=""
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadOSF.o"
+           DL_LIBS=""
+           LD_SEARCH_FLAGS=""
+           ;;
+       OSF1-1.*)
+           # OSF/1 1.3 from OSF using ELF, and derivatives, including AD2
+           SHLIB_CFLAGS="-fPIC"
+           if test "$SHARED_BUILD" = "1" ; then
+               SHLIB_LD="ld -shared"
+           else
+               SHLIB_LD="ld -non_shared"
+           fi
+           SHLIB_LD_LIBS=""
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS=""
+           LD_SEARCH_FLAGS=""
+           ;;
+       OSF1-V*)
+           # Digital OSF/1
+           SHLIB_CFLAGS=""
+           if test "$SHARED_BUILD" = "1" ; then
+               SHLIB_LD='ld -shared -expect_unresolved "*"'
+           else
+               SHLIB_LD='ld -non_shared -expect_unresolved "*"'
+           fi
+           SHLIB_LD_LIBS=""
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS=""
+           LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
+           if test "$GCC" = "yes" ; then
+               CFLAGS="$CFLAGS -mieee"
+            else
+               CFLAGS="$CFLAGS -DHAVE_TZSET -std1 -ieee"
+           fi
+           # see pthread_intro(3) for pthread support on osf1, k.furukawa
+           if test "${TCL_THREADS}" = "1" ; then
+               CFLAGS="$CFLAGS -DHAVE_PTHREAD_ATTR_SETSTACKSIZE"
+               CFLAGS="$CFLAGS -DTCL_THREAD_STACK_MIN=PTHREAD_STACK_MIN*64"
+               LIBS=`echo $LIBS | sed s/-lpthreads//`
+               if test "$GCC" = "yes" ; then
+                   LIBS="$LIBS -lpthread -lmach -lexc"
+               else
+                   CFLAGS="$CFLAGS -pthread"
+                   LDFLAGS="$LDFLAGS -pthread"
+               fi
+           fi
+
+           ;;
+       QNX-6*)
+           # QNX RTP
+           # This may work for all QNX, but it was only reported for v6.
+           SHLIB_CFLAGS="-fPIC"
+           SHLIB_LD="ld -Bshareable -x"
+           SHLIB_LD_LIBS=""
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           # dlopen is in -lc on QNX
+           DL_LIBS=""
+           LD_SEARCH_FLAGS=""
+           ;;
+       RISCos-*)
+           SHLIB_CFLAGS="-G 0"
+           SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".a"
+           DL_OBJS="tclLoadAout.o"
+           DL_LIBS=""
+           LDFLAGS="$LDFLAGS -Wl,-D,08000000"
+           LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
+           ;;
+       SCO_SV-3.2*)
+           # Note, dlopen is available only on SCO 3.2.5 and greater. However,
+           # this test works, since "uname -s" was non-standard in 3.2.4 and
+           # below.
+           if test "$GCC" = "yes" ; then
+               SHLIB_CFLAGS="-fPIC -melf"
+               LDFLAGS="$LDFLAGS -melf -Wl,-Bexport"
+           else
+               SHLIB_CFLAGS="-Kpic -belf"
+               LDFLAGS="$LDFLAGS -belf -Wl,-Bexport"
+           fi
+           SHLIB_LD="ld -G"
+           SHLIB_LD_LIBS=""
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS=""
+           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_SEARCH_FLAGS=""
+           ;;
+       SunOS-4*)
+           SHLIB_CFLAGS="-PIC"
+           SHLIB_LD="ld"
+           SHLIB_LD_LIBS=""
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS="-ldl"
+           LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
+
+           # SunOS can't handle version numbers with dots in them in library
+           # specs, like -ltcl7.5, so use -ltcl75 instead.  Also, it
+           # requires an extra version number at the end of .so file names.
+           # So, the library has to have a name like libtcl75.so.1.0
+
+           SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
+           UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
+           TCL_LIB_VERSIONS_OK=nodots
+           ;;
+       SunOS-5.[[0-6]]*)
+
+           # Note: If _REENTRANT isn't defined, then Solaris
+           # won't define thread-safe library routines.
+
+           AC_DEFINE(_REENTRANT)
+           AC_DEFINE(_POSIX_PTHREAD_SEMANTICS)
+
+           SHLIB_CFLAGS="-KPIC"
+
+           # Note: need the LIBS below, otherwise Tk won't find Tcl's
+           # symbols when dynamically loaded into tclsh.
+
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS="-ldl"
+           if test "$GCC" = "yes" ; then
+               SHLIB_LD="$CC -shared"
+               LD_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
+           else
+               SHLIB_LD="/usr/ccs/bin/ld -G -z text"
+               LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
+           fi
+           ;;
+       SunOS-5*)
+
+           # Note: If _REENTRANT isn't defined, then Solaris
+           # won't define thread-safe library routines.
+
+           AC_DEFINE(_REENTRANT)
+           AC_DEFINE(_POSIX_PTHREAD_SEMANTICS)
+
+           SHLIB_CFLAGS="-KPIC"
+    
+           # Check to enable 64-bit flags for compiler/linker
+           if test "$do64bit" = "yes" ; then
+               arch=`isainfo`
+               if test "$arch" = "sparcv9 sparc" ; then
+                       if test "$GCC" = "yes" ; then
+                           if test "`gcc -dumpversion` | awk -F. '{print $1}'" -lt "3" ; then
+                               AC_MSG_WARN([64bit mode not supported with GCC < 3.2 on $system])
+                           else
+                               do64bit_ok=yes
+                               CFLAGS="$CFLAGS -m64 -mcpu=v9"
+                               LDFLAGS="$LDFLAGS -m64 -mcpu=v9"
+                               SHLIB_CFLAGS="-fPIC"
+                           fi
+                       else
+                           do64bit_ok=yes
+                           if test "$do64bitVIS" = "yes" ; then
+                               CFLAGS="$CFLAGS -xarch=v9a"
+                               LDFLAGS="$LDFLAGS -xarch=v9a"
+                           else
+                               CFLAGS="$CFLAGS -xarch=v9"
+                               LDFLAGS="$LDFLAGS -xarch=v9"
+                           fi
+                       fi
+               else
+                   AC_MSG_WARN("64bit mode only supported sparcv9 system")
+               fi
+           fi
+           
+           # Note: need the LIBS below, otherwise Tk won't find Tcl's
+           # symbols when dynamically loaded into tclsh.
+
+           SHLIB_LD_LIBS='${LIBS}'
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS="-ldl"
+           if test "$GCC" = "yes" ; then
+               SHLIB_LD="$CC -shared"
+               LD_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
+               if test "$do64bit" = "yes" ; then
+                   # We need to specify -static-libgcc or we need to
+                   # add the path to the sparv9 libgcc.
+                   # JH: static-libgcc is necessary for core Tcl, but may
+                   # not be necessary for extensions.
+                   SHLIB_LD="$SHLIB_LD -m64 -mcpu=v9 -static-libgcc"
+                   # for finding sparcv9 libgcc, get the regular libgcc
+                   # path, remove so name and append 'sparcv9'
+                   #v9gcclibdir="`gcc -print-file-name=libgcc_s.so` | ..."
+                   #LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS},-R,$v9gcclibdir"
+               fi
+           else
+               SHLIB_LD="/usr/ccs/bin/ld -G -z text"
+               LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
+           fi
+           ;;
+       ULTRIX-4.*)
+           SHLIB_CFLAGS="-G 0"
+           SHLIB_SUFFIX=".a"
+           SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
+           SHLIB_LD_LIBS='${LIBS}'
+           DL_OBJS="tclLoadAout.o"
+           DL_LIBS=""
+           LDFLAGS="$LDFLAGS -Wl,-D,08000000"
+           LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
+           if test "$GCC" != "yes" ; then
+               CFLAGS="$CFLAGS -DHAVE_TZSET -std1"
+           fi
+           ;;
+       UNIX_SV* | UnixWare-5*)
+           SHLIB_CFLAGS="-KPIC"
+           SHLIB_LD="cc -G"
+           SHLIB_LD_LIBS=""
+           SHLIB_SUFFIX=".so"
+           DL_OBJS="tclLoadDl.o"
+           DL_LIBS="-ldl"
+           # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
+           # that don't grok the -Bexport option.  Test that it does.
+           hold_ldflags=$LDFLAGS
+           AC_MSG_CHECKING(for ld accepts -Bexport flag)
+           LDFLAGS="$LDFLAGS -Wl,-Bexport"
+           AC_TRY_LINK(, [int i;], [found=yes],
+                       [LDFLAGS=$hold_ldflags found=no])
+           AC_MSG_RESULT([$found])
+           LD_SEARCH_FLAGS=""
+           ;;
+    esac
+
+    if test "$do64bit" = "yes" -a "$do64bit_ok" = "no" ; then
+    AC_MSG_WARN("64bit support being disabled -- don\'t know magic for this platform")
+    fi
+
+    # Step 4: If pseudo-static linking is in use (see K. B. Kenny, "Dynamic
+    # Loading for Tcl -- What Became of It?".  Proc. 2nd Tcl/Tk Workshop,
+    # New Orleans, LA, Computerized Processes Unlimited, 1994), then we need
+    # to determine which of several header files defines the a.out file
+    # format (a.out.h, sys/exec.h, or sys/exec_aout.h).  At present, we
+    # support only a file format that is more or less version-7-compatible. 
+    # In particular,
+    #  - a.out files must begin with `struct exec'.
+    #  - the N_TXTOFF on the `struct exec' must compute the seek address
+    #    of the text segment
+    #  - The `struct exec' must contain a_magic, a_text, a_data, a_bss
+    #    and a_entry fields.
+    # The following compilation should succeed if and only if either sys/exec.h
+    # or a.out.h is usable for the purpose.
+    #
+    # Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the
+    # `struct exec' includes a second header that contains information that
+    # duplicates the v7 fields that are needed.
+
+    if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
+       AC_MSG_CHECKING([sys/exec.h])
+       AC_TRY_COMPILE([#include <sys/exec.h>],[
+           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;
+    ], tcl_ok=usable, tcl_ok=unusable)
+       AC_MSG_RESULT([$tcl_ok])
+       if test $tcl_ok = usable; then
+           AC_DEFINE(USE_SYS_EXEC_H)
+       else
+           AC_MSG_CHECKING([a.out.h])
+           AC_TRY_COMPILE([#include <a.out.h>],[
+               struct exec foo;
+               unsigned long seek;
+               int flag;
+#if defined(__mips) || defined(mips)
+               seek = N_TXTOFF (foo.ex_f, foo.ex_o);
+#else
+               seek = N_TXTOFF (foo);
+#endif
+               flag = (foo.a_magic == OMAGIC);
+               return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
+           ], tcl_ok=usable, tcl_ok=unusable)
+           AC_MSG_RESULT([$tcl_ok])
+           if test $tcl_ok = usable; then
+               AC_DEFINE(USE_A_OUT_H)
+           else
+               AC_MSG_CHECKING([sys/exec_aout.h])
+               AC_TRY_COMPILE([#include <sys/exec_aout.h>],[
+                   struct exec foo;
+                   unsigned long seek;
+                   int flag;
+#if defined(__mips) || defined(mips)
+                   seek = N_TXTOFF (foo.ex_f, foo.ex_o);
+#else
+                   seek = N_TXTOFF (foo);
+#endif
+                   flag = (foo.a_midmag == OMAGIC);
+                   return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
+               ], tcl_ok=usable, tcl_ok=unusable)
+               AC_MSG_RESULT([$tcl_ok])
+               if test $tcl_ok = usable; then
+                   AC_DEFINE(USE_SYS_EXEC_AOUT_H)
+               else
+                   DL_OBJS=""
+               fi
+           fi
+       fi
+    fi
+
+    # Step 5: disable dynamic loading if requested via a command-line switch.
+
+    AC_ARG_ENABLE(load, [  --disable-load          disallow dynamic loading and "load" command],
+       [tcl_ok=$enableval], [tcl_ok=yes])
+    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=""
+       LDFLAGS="$LDFLAGS_ORIG"
+       LD_SEARCH_FLAGS=""
+       BUILD_DLTEST=""
+    fi
+
+    # If we're running gcc, then change the C flags for compiling shared
+    # libraries to the right flags for gcc, instead of those for the
+    # standard manufacturer compiler.
+
+    if test "$DL_OBJS" != "tclLoadNone.o" ; then
+       if test "$GCC" = "yes" ; then
+           case $system in
+               AIX-*)
+                   ;;
+               BSD/OS*)
+                   ;;
+               IRIX*)
+                   ;;
+               NetBSD-*|FreeBSD-*)
+                   ;;
+               Darwin-*)
+                   ;;
+               RISCos-*)
+                   ;;
+               SCO_SV-3.2*)
+                   ;;
+               ULTRIX-4.*)
+                   ;;
+               windows)
+                   ;;
+               *)
+                   SHLIB_CFLAGS="-fPIC"
+                   ;;
+           esac
+       fi
+    fi
+
+    if test "$SHARED_LIB_SUFFIX" = "" ; then
+       SHARED_LIB_SUFFIX='${PACKAGE_VERSION}${SHLIB_SUFFIX}'
+    fi
+    if test "$UNSHARED_LIB_SUFFIX" = "" ; then
+       UNSHARED_LIB_SUFFIX='${PACKAGE_VERSION}.a'
+    fi
+
+    AC_SUBST(DL_LIBS)
+    AC_SUBST(CFLAGS_DEBUG)
+    AC_SUBST(CFLAGS_OPTIMIZE)
+    AC_SUBST(CFLAGS_WARNING)
+
+    AC_SUBST(STLIB_LD)
+    AC_SUBST(SHLIB_LD)
+    AC_SUBST(SHLIB_CFLAGS)
+    AC_SUBST(SHLIB_LD_LIBS)
+    AC_SUBST(LDFLAGS_DEBUG)
+    AC_SUBST(LDFLAGS_OPTIMIZE)
+    AC_SUBST(LD_LIBRARY_PATH_VAR)
+
+    # These must be called after we do the basic CFLAGS checks and
+    # verify any possible 64-bit or similar switches are necessary
+    TEA_TCL_EARLY_FLAGS
+    TEA_TCL_64BIT_FLAGS
+])
+
+#--------------------------------------------------------------------
+# TEA_SERIAL_PORT
+#
+#      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,
+#      and some build environments have stdin not pointing at a
+#      pseudo-terminal (usually /dev/null instead.)
+#
+# Arguments:
+#      none
+#      
+# Results:
+#
+#      Defines only one of the following vars:
+#              HAVE_SYS_MODEM_H
+#              USE_TERMIOS
+#              USE_TERMIO
+#              USE_SGTTY
+#
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_SERIAL_PORT, [
+    AC_CHECK_HEADERS(sys/modem.h)
+    AC_MSG_CHECKING([termios vs. termio vs. sgtty])
+    AC_CACHE_VAL(tcl_cv_api_serial, [
+    AC_TRY_RUN([
+#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_TRY_RUN([
+#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_TRY_RUN([
+#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=none, tcl_cv_api_serial=none)
+    fi
+    if test $tcl_cv_api_serial = no ; then
+       AC_TRY_RUN([
+#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_TRY_RUN([
+#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_TRY_RUN([
+#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 $tcl_cv_api_serial in
+       termios) AC_DEFINE(USE_TERMIOS);;
+       termio)  AC_DEFINE(USE_TERMIO);;
+       sgtty)   AC_DEFINE(USE_SGTTY);;
+    esac
+    AC_MSG_RESULT([$tcl_cv_api_serial])
+])
+
+#--------------------------------------------------------------------
+# TEA_MISSING_POSIX_HEADERS
+#
+#      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
+#
+# Arguments:
+#      none
+#      
+# Results:
+#
+#      Defines some of the following vars:
+#              NO_DIRENT_H
+#              NO_ERRNO_H
+#              NO_VALUES_H
+#              HAVE_LIMITS_H or NO_LIMITS_H
+#              NO_STDLIB_H
+#              NO_STRING_H
+#              NO_SYS_WAIT_H
+#              NO_DLFCN_H
+#              HAVE_SYS_PARAM_H
+#
+#              HAVE_STRING_H ?
+#
+# tkUnixPort.h checks for HAVE_LIMITS_H, so do both HAVE and
+# CHECK on limits.h
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_MISSING_POSIX_HEADERS, [
+    AC_MSG_CHECKING([dirent.h])
+    AC_TRY_LINK([#include <sys/types.h>
+#include <dirent.h>], [
+#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);
+], tcl_ok=yes, tcl_ok=no)
+
+    if test $tcl_ok = no; then
+       AC_DEFINE(NO_DIRENT_H)
+    fi
+
+    AC_MSG_RESULT([$tcl_ok])
+    AC_CHECK_HEADER(errno.h, , [AC_DEFINE(NO_ERRNO_H)])
+    AC_CHECK_HEADER(float.h, , [AC_DEFINE(NO_FLOAT_H)])
+    AC_CHECK_HEADER(values.h, , [AC_DEFINE(NO_VALUES_H)])
+    AC_CHECK_HEADER(limits.h,
+       [AC_DEFINE(HAVE_LIMITS_H)], [AC_DEFINE(NO_LIMITS_H)])
+    AC_CHECK_HEADER(stdlib.h, tcl_ok=1, tcl_ok=0)
+    AC_EGREP_HEADER(strtol, stdlib.h, , tcl_ok=0)
+    AC_EGREP_HEADER(strtoul, stdlib.h, , tcl_ok=0)
+    AC_EGREP_HEADER(strtod, stdlib.h, , tcl_ok=0)
+    if test $tcl_ok = 0; then
+       AC_DEFINE(NO_STDLIB_H)
+    fi
+    AC_CHECK_HEADER(string.h, tcl_ok=1, tcl_ok=0)
+    AC_EGREP_HEADER(strstr, string.h, , tcl_ok=0)
+    AC_EGREP_HEADER(strerror, string.h, , tcl_ok=0)
+
+    # See also memmove check below for a place where NO_STRING_H can be
+    # set and why.
+
+    if test $tcl_ok = 0; then
+       AC_DEFINE(NO_STRING_H)
+    fi
+
+    AC_CHECK_HEADER(sys/wait.h, , [AC_DEFINE(NO_SYS_WAIT_H)])
+    AC_CHECK_HEADER(dlfcn.h, , [AC_DEFINE(NO_DLFCN_H)])
+
+    # OS/390 lacks sys/param.h (and doesn't need it, by chance).
+    AC_HAVE_HEADERS(sys/param.h)
+
+])
+
+#--------------------------------------------------------------------
+# TEA_PATH_X
+#
+#      Locate the X11 header files and the X11 library archive.  Try
+#      the ac_path_x macro first, but if it doesn't find the X stuff
+#      (e.g. because there's no xmkmf program) then check through
+#      a list of possible directories.  Under some conditions the
+#      autoconf macro will return an include directory that contains
+#      no include files, so double-check its result just to be safe.
+#
+#      This should be called after TEA_CONFIG_CFLAGS as setting the
+#      LIBS line can confuse some configure macro magic.
+#
+# Arguments:
+#      none
+#      
+# Results:
+#
+#      Sets the following vars:
+#              XINCLUDES
+#              XLIBSW
+#              LIBS (appends to)
+#              TEA_WINDOWINGSYSTEM
+#
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_PATH_X, [
+    if test "${TEA_PLATFORM}" = "unix" ; then
+       case ${TK_DEFS} in
+           *MAC_OSX_TK*)
+               AC_DEFINE(MAC_OSX_TK)
+               TEA_WINDOWINGSYSTEM="aqua"
+               ;;
+           *)
+               TEA_PATH_UNIX_X
+               TEA_WINDOWINGSYSTEM="x11"
+               ;;
+       esac
+    elif test "${TEA_PLATFORM}" = "windows" ; then
+       TEA_WINDOWINGSYSTEM="windows"
+    fi
+])
+
+AC_DEFUN(TEA_PATH_UNIX_X, [
+    AC_PATH_X
+    not_really_there=""
+    if test "$no_x" = ""; then
+       if test "$x_includes" = ""; then
+           AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes")
+       else
+           if test ! -r $x_includes/X11/Intrinsic.h; then
+               not_really_there="yes"
+           fi
+       fi
+    fi
+    if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
+       AC_MSG_CHECKING([for X11 header files])
+       XINCLUDES="# no special path needed"
+       AC_TRY_CPP([#include <X11/Intrinsic.h>], , XINCLUDES="nope")
+       if test "$XINCLUDES" = nope; 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 $i/X11/Intrinsic.h; then
+                   AC_MSG_RESULT([$i])
+                   XINCLUDES=" -I$i"
+                   break
+               fi
+           done
+       fi
+    else
+       if test "$x_includes" != ""; then
+           XINCLUDES=-I$x_includes
+       else
+           XINCLUDES="# no special path needed"
+       fi
+    fi
+    if test "$XINCLUDES" = nope; then
+       AC_MSG_RESULT([could not find any!])
+       XINCLUDES="# no include files found"
+    fi
+
+    if test "$no_x" = yes; then
+       AC_MSG_CHECKING([for X11 libraries])
+       XLIBSW=nope
+       dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
+       for i in $dirs ; do
+           if test -r $i/libX11.a -o -r $i/libX11.so -o -r $i/libX11.sl; then
+               AC_MSG_RESULT([$i])
+               XLIBSW="-L$i -lX11"
+               x_libraries="$i"
+               break
+           fi
+       done
+    else
+       if test "$x_libraries" = ""; then
+           XLIBSW=-lX11
+       else
+           XLIBSW="-L$x_libraries -lX11"
+       fi
+    fi
+    if test "$XLIBSW" = nope ; then
+       AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow)
+    fi
+    if test "$XLIBSW" = nope ; then
+       AC_MSG_RESULT([could not find any!  Using -lX11.])
+       XLIBSW=-lX11
+    fi
+    if test x"${XLIBSW}" != x ; then
+       PKG_LIBS="${PKG_LIBS} ${XLIBSW}"
+    fi
+])
+
+#--------------------------------------------------------------------
+# TEA_BLOCKING_STYLE
+#
+#      The statements below check for systems where POSIX-style
+#      non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented. 
+#      On these systems (mostly older ones), use the old BSD-style
+#      FIONBIO approach instead.
+#
+# Arguments:
+#      none
+#      
+# Results:
+#
+#      Defines some of the following vars:
+#              HAVE_SYS_IOCTL_H
+#              HAVE_SYS_FILIO_H
+#              USE_FIONBIO
+#              O_NONBLOCK
+#
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_BLOCKING_STYLE, [
+    AC_CHECK_HEADERS(sys/ioctl.h)
+    AC_CHECK_HEADERS(sys/filio.h)
+    AC_MSG_CHECKING([FIONBIO vs. O_NONBLOCK for nonblocking I/O])
+    if test -f /usr/lib/NextStep/software_version; then
+       system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
+    else
+       system=`uname -s`-`uname -r`
+       if test "$?" -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 $system in
+       # There used to be code here to use FIONBIO under AIX.  However, it
+       # was reported that FIONBIO doesn't work under AIX 3.2.5.  Since
+       # using O_NONBLOCK seems fine under AIX 4.*, I removed the FIONBIO
+       # code (JO, 5/31/97).
+
+       OSF*)
+           AC_DEFINE(USE_FIONBIO)
+           AC_MSG_RESULT([FIONBIO])
+           ;;
+       SunOS-4*)
+           AC_DEFINE(USE_FIONBIO)
+           AC_MSG_RESULT([FIONBIO])
+           ;;
+       ULTRIX-4.*)
+           AC_DEFINE(USE_FIONBIO)
+           AC_MSG_RESULT([FIONBIO])
+           ;;
+       *)
+           AC_MSG_RESULT([O_NONBLOCK])
+           ;;
+    esac
+])
+
+#--------------------------------------------------------------------
+# TEA_TIME_HANLDER
+#
+#      Checks how the system deals with time.h, what time structures
+#      are used on the system, and what fields the structures have.
+#
+# Arguments:
+#      none
+#      
+# Results:
+#
+#      Defines some of the following vars:
+#              USE_DELTA_FOR_TZ
+#              HAVE_TM_GMTOFF
+#              HAVE_TM_TZADJ
+#              HAVE_TIMEZONE_VAR
+#
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_TIME_HANDLER, [
+    AC_CHECK_HEADERS(sys/time.h)
+    AC_HEADER_TIME
+    AC_STRUCT_TIMEZONE
+
+    AC_CHECK_FUNCS(gmtime_r localtime_r)
+
+    AC_MSG_CHECKING([tm_tzadj in struct tm])
+    AC_CACHE_VAL(tcl_cv_member_tm_tzadj,
+       AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_tzadj;],
+           tcl_cv_member_tm_tzadj=yes, tcl_cv_member_tm_tzadj=no))
+    AC_MSG_RESULT([$tcl_cv_member_tm_tzadj])
+    if test $tcl_cv_member_tm_tzadj = yes ; then
+       AC_DEFINE(HAVE_TM_TZADJ)
+    fi
+
+    AC_MSG_CHECKING([tm_gmtoff in struct tm])
+    AC_CACHE_VAL(tcl_cv_member_tm_gmtoff,
+       AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_gmtoff;],
+           tcl_cv_member_tm_gmtoff=yes, tcl_cv_member_tm_gmtoff=no))
+    AC_MSG_RESULT([$tcl_cv_member_tm_gmtoff])
+    if test $tcl_cv_member_tm_gmtoff = yes ; then
+       AC_DEFINE(HAVE_TM_GMTOFF)
+    fi
+
+    #
+    # Its important to include time.h in this check, as some systems
+    # (like convex) have timezone functions, etc.
+    #
+    AC_MSG_CHECKING([long timezone variable])
+    AC_CACHE_VAL(tcl_cv_var_timezone,
+       AC_TRY_COMPILE([#include <time.h>],
+           [extern long timezone;
+           timezone += 1;
+           exit (0);],
+           tcl_cv_timezone_long=yes, tcl_cv_timezone_long=no))
+    AC_MSG_RESULT([$tcl_cv_timezone_long])
+    if test $tcl_cv_timezone_long = yes ; then
+       AC_DEFINE(HAVE_TIMEZONE_VAR)
+    else
+       #
+       # On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
+       #
+       AC_MSG_CHECKING([time_t timezone variable])
+       AC_CACHE_VAL(tcl_cv_timezone_time,
+           AC_TRY_COMPILE([#include <time.h>],
+               [extern time_t timezone;
+               timezone += 1;
+               exit (0);],
+               tcl_cv_timezone_time=yes, tcl_cv_timezone_time=no))
+       AC_MSG_RESULT([$tcl_cv_timezone_time])
+       if test $tcl_cv_timezone_time = yes ; then
+           AC_DEFINE(HAVE_TIMEZONE_VAR)
+       fi
+    fi
+])
+
+#--------------------------------------------------------------------
+# TEA_BUGGY_STRTOD
+#
+#      Under Solaris 2.4, strtod returns the wrong value for the
+#      terminating character under some conditions.  Check for this
+#      and if the problem exists use a substitute procedure
+#      "fixstrtod" (provided by Tcl) that corrects the error.
+#      Also, on Compaq's Tru64 Unix 5.0,
+#      strtod(" ") returns 0.0 instead of a failure to convert.
+#
+# Arguments:
+#      none
+#      
+# Results:
+#
+#      Might defines some of the following vars:
+#              strtod (=fixstrtod)
+#
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_BUGGY_STRTOD, [
+    AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0)
+    if test "$tcl_strtod" = 1; then
+       AC_MSG_CHECKING([for Solaris2.4/Tru64 strtod bugs])
+       AC_TRY_RUN([
+           extern double strtod();
+           int main()
+           {
+               char *string = "NaN", *spaceString = " ";
+               char *term;
+               double value;
+               value = strtod(string, &term);
+               if ((term != string) && (term[-1] == 0)) {
+                   exit(1);
+               }
+               value = strtod(spaceString, &term);
+               if (term == (spaceString+1)) {
+                   exit(1);
+               }
+               exit(0);
+           }], tcl_ok=1, tcl_ok=0, tcl_ok=0)
+       if test "$tcl_ok" = 1; then
+           AC_MSG_RESULT([ok])
+       else
+           AC_MSG_RESULT([buggy])
+           #LIBOBJS="$LIBOBJS fixstrtod.o"
+           AC_LIBOBJ([fixstrtod])
+           USE_COMPAT=1
+           AC_DEFINE(strtod, fixstrtod)
+       fi
+    fi
+])
+
+#--------------------------------------------------------------------
+# TEA_TCL_LINK_LIBS
+#
+#      Search for the libraries needed to link the Tcl shell.
+#      Things like the math library (-lm) and socket stuff (-lsocket vs.
+#      -lnsl) are dealt with here.
+#
+# Arguments:
+#      Requires the following vars to be set in the Makefile:
+#              DL_LIBS
+#              LIBS
+#              MATH_LIBS
+#      
+# Results:
+#
+#      Subst's the following var:
+#              TCL_LIBS
+#              MATH_LIBS
+#
+#      Might append to the following vars:
+#              LIBS
+#
+#      Might define the following vars:
+#              HAVE_NET_ERRNO_H
+#
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_TCL_LINK_LIBS, [
+    #--------------------------------------------------------------------
+    # 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").
+    #--------------------------------------------------------------------
+
+    AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm")
+    AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"])
+
+    #--------------------------------------------------------------------
+    # Interactive UNIX requires -linet instead of -lsocket, plus it
+    # needs net/errno.h to define the socket-related error codes.
+    #--------------------------------------------------------------------
+
+    AC_CHECK_LIB(inet, main, [LIBS="$LIBS -linet"])
+    AC_CHECK_HEADER(net/errno.h, AC_DEFINE(HAVE_NET_ERRNO_H))
+
+    #--------------------------------------------------------------------
+    #  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
+    AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1)
+    if test "$tcl_checkSocket" = 1; then
+       AC_CHECK_FUNC(setsockopt, , [AC_CHECK_LIB(socket, setsockopt,
+           LIBS="$LIBS -lsocket", tcl_checkBoth=1)])
+    fi
+    if test "$tcl_checkBoth" = 1; then
+       tk_oldLibs=$LIBS
+       LIBS="$LIBS -lsocket -lnsl"
+       AC_CHECK_FUNC(accept, tcl_checkNsl=0, [LIBS=$tk_oldLibs])
+    fi
+    AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(nsl, gethostbyname,
+           [LIBS="$LIBS -lnsl"])])
+    
+    # Don't perform the eval of the libraries here because DL_LIBS
+    # won't be set until we call TEA_CONFIG_CFLAGS
+
+    TCL_LIBS='${DL_LIBS} ${LIBS} ${MATH_LIBS}'
+    AC_SUBST(TCL_LIBS)
+    AC_SUBST(MATH_LIBS)
+])
+
+#--------------------------------------------------------------------
+# TEA_TCL_EARLY_FLAGS
+#
+#      Check for what flags are needed to be passed so the correct OS
+#      features are available.
+#
+# Arguments:
+#      None
+#      
+# Results:
+#
+#      Might define the following vars:
+#              _ISOC99_SOURCE
+#              _LARGEFILE64_SOURCE
+#
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_TCL_EARLY_FLAG,[
+    AC_CACHE_VAL([tcl_cv_flag_]translit($1,[A-Z],[a-z]),
+       AC_TRY_COMPILE([$2], $3, [tcl_cv_flag_]translit($1,[A-Z],[a-z])=no,
+           AC_TRY_COMPILE([[#define ]$1[ 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($1)
+       tcl_flags="$tcl_flags $1"
+    fi
+])
+
+AC_DEFUN(TEA_TCL_EARLY_FLAGS,[
+    AC_MSG_CHECKING([for required early compiler flags])
+    tcl_flags=""
+    TEA_TCL_EARLY_FLAG(_ISOC99_SOURCE,[#include <stdlib.h>],
+       [char *p = (char *)strtoll; char *q = (char *)strtoull;])
+    TEA_TCL_EARLY_FLAG(_LARGEFILE64_SOURCE,[#include <sys/stat.h>],
+       [struct stat64 buf; int i = stat64("/", &buf);])
+    if test "x${tcl_flags}" = "x" ; then
+       AC_MSG_RESULT([none])
+    else
+       AC_MSG_RESULT([${tcl_flags}])
+    fi
+])
+
+#--------------------------------------------------------------------
+# TEA_TCL_64BIT_FLAGS
+#
+#      Check for what is defined in the way of 64-bit features.
+#
+# Arguments:
+#      None
+#      
+# Results:
+#
+#      Might define the following vars:
+#              TCL_WIDE_INT_IS_LONG
+#              TCL_WIDE_INT_TYPE
+#              HAVE_STRUCT_DIRENT64
+#              HAVE_STRUCT_STAT64
+#              HAVE_TYPE_OFF64_T
+#
+#--------------------------------------------------------------------
+
+AC_DEFUN(TEA_TCL_64BIT_FLAGS, [
+    AC_MSG_CHECKING([for 64-bit integer type])
+    AC_CACHE_VAL(tcl_cv_type_64bit,[
+       tcl_cv_type_64bit=none
+       # See if the compiler knows natively about __int64
+       AC_TRY_COMPILE(,[__int64 value = (__int64) 0;],
+           tcl_type_64bit=__int64, tcl_type_64bit="long long")
+       # See if we should use long anyway  Note that we substitute in the
+       # type that is our current guess for a 64-bit type inside this check
+       # program, so it should be modified only carefully...
+        AC_TRY_COMPILE(,[switch (0) { 
+            case 1: case (sizeof(]${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)
+       AC_MSG_RESULT([using long])
+    elif test "${tcl_cv_type_64bit}" = "__int64" \
+               -a "${TEA_PLATFORM}" = "windows" ; then
+       # 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,${tcl_cv_type_64bit})
+       AC_MSG_RESULT([${tcl_cv_type_64bit}])
+
+       # Now check for auxiliary declarations
+       AC_MSG_CHECKING([for struct dirent64])
+       AC_CACHE_VAL(tcl_cv_struct_dirent64,[
+           AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/dirent.h>],[struct dirent64 p;],
+               tcl_cv_struct_dirent64=yes,tcl_cv_struct_dirent64=no)])
+       if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
+           AC_DEFINE(HAVE_STRUCT_DIRENT64)
+       fi
+       AC_MSG_RESULT([${tcl_cv_struct_dirent64}])
+
+       AC_MSG_CHECKING([for struct stat64])
+       AC_CACHE_VAL(tcl_cv_struct_stat64,[
+           AC_TRY_COMPILE([#include <sys/stat.h>],[struct stat64 p;
+],
+               tcl_cv_struct_stat64=yes,tcl_cv_struct_stat64=no)])
+       if test "x${tcl_cv_struct_stat64}" = "xyes" ; then
+           AC_DEFINE(HAVE_STRUCT_STAT64)
+       fi
+       AC_MSG_RESULT([${tcl_cv_struct_stat64}])
+
+       AC_MSG_CHECKING([for off64_t])
+       AC_CACHE_VAL(tcl_cv_type_off64_t,[
+           AC_TRY_COMPILE([#include <sys/types.h>],[off64_t offset;
+],
+               tcl_cv_type_off64_t=yes,tcl_cv_type_off64_t=no)])
+       if test "x${tcl_cv_type_off64_t}" = "xyes" ; then
+           AC_DEFINE(HAVE_TYPE_OFF64_T)
+       fi
+       AC_MSG_RESULT([${tcl_cv_type_off64_t}])
+    fi
+])
+
+##
+## Here ends the standard Tcl configuration bits and starts the
+## TEA specific functions
+##
+
+#------------------------------------------------------------------------
+# TEA_INIT --
+#
+#      Init various Tcl Extension Architecture (TEA) variables.
+#      This should be the first called TEA_* macro.
+#
+# Arguments:
+#      none
+#
+# Results:
+#
+#      Defines and substs the following vars:
+#              CYGPATH
+#              EXEEXT
+#      Defines only:
+#              TEA_INITED
+#              TEA_PLATFORM (windows or unix)
+#
+# "cygpath" is used on windows to generate native path names for include
+# files. These variables should only be used with the compiler and linker
+# since they generate native path names.
+#
+# EXEEXT
+#      Select the executable extension based on the host type.  This
+#      is a lightweight replacement for AC_EXEEXT that doesn't require
+#      a compiler.
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_INIT, [
+    # TEA extensions pass this us the version of TEA they think they
+    # are compatible with.
+    TEA_VERSION="3.2"
+
+    AC_MSG_CHECKING([for correct TEA configuration])
+    if test x"${PACKAGE_NAME}" = x ; then
+       AC_MSG_ERROR([
+The PACKAGE_NAME variable must be defined by your TEA configure.in])
+    fi
+    if test x"$1" = x ; then
+       AC_MSG_ERROR([
+TEA version not specified.])
+    elif test "$1" != "${TEA_VERSION}" ; then
+       AC_MSG_RESULT([warning: requested TEA version "$1", have "${TEA_VERSION}"])
+    else
+       AC_MSG_RESULT([ok (TEA ${TEA_VERSION})])
+    fi
+    case "`uname -s`" in
+       *win32*|*WIN32*|*CYGWIN_NT*|*CYGWIN_9*|*CYGWIN_ME*|*MINGW32_*)
+           AC_CHECK_PROG(CYGPATH, cygpath, cygpath -w, echo)
+           EXEEXT=".exe"
+           TEA_PLATFORM="windows"
+           ;;
+       *)
+           CYGPATH=echo
+           EXEEXT=""
+           TEA_PLATFORM="unix"
+           ;;
+    esac
+
+    # Check if exec_prefix is set. If not use fall back to prefix.
+    # Note when adjusted, so that TEA_PREFIX can correct for this.
+    # This is needed for recursive configures, since autoconf propagates
+    # $prefix, but not $exec_prefix (doh!).
+    if test x$exec_prefix = xNONE ; then
+       exec_prefix_default=yes
+       exec_prefix=$prefix
+    fi
+
+    AC_SUBST(EXEEXT)
+    AC_SUBST(CYGPATH)
+
+    # This package name must be replaced statically for AC_SUBST to work
+    AC_SUBST(PKG_LIB_FILE)
+    # Substitute STUB_LIB_FILE in case package creates a stub library too.
+    AC_SUBST(PKG_STUB_LIB_FILE)
+
+    # 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)
+    AC_SUBST(PKG_INCLUDES)
+    AC_SUBST(PKG_LIBS)
+    AC_SUBST(PKG_CFLAGS)
+])
+
+#------------------------------------------------------------------------
+# TEA_ADD_SOURCES --
+#
+#      Specify one or more source files.  Users should check for
+#      the right platform before adding to their list.
+#      It is not important to specify the directory, as long as it is
+#      in the generic, win or unix subdirectory of $(srcdir).
+#
+# Arguments:
+#      one or more file names
+#
+# Results:
+#
+#      Defines and substs the following vars:
+#              PKG_SOURCES
+#              PKG_OBJECTS
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_ADD_SOURCES, [
+    vars="$@"
+    for i in $vars; do
+       case $i in
+           [\$]*)
+               # allow $-var names
+               PKG_SOURCES="$PKG_SOURCES $i"
+               PKG_OBJECTS="$PKG_OBJECTS $i"
+               ;;
+           *)
+               # check for existence - allows for generic/win/unix VPATH
+               if test ! -f "${srcdir}/$i" -a ! -f "${srcdir}/generic/$i" \
+                   -a ! -f "${srcdir}/win/$i" -a ! -f "${srcdir}/unix/$i" \
+                   ; then
+                   AC_MSG_ERROR([could not find source file '$i'])
+               fi
+               PKG_SOURCES="$PKG_SOURCES $i"
+               # this assumes it is in a VPATH dir
+               i=`basename $i`
+               # handle user calling this before or after TEA_SETUP_COMPILER
+               if test x"${OBJEXT}" != x ; then
+                   j="`echo $i | sed -e 's/\.[[^.]]*$//'`.${OBJEXT}"
+               else
+                   j="`echo $i | sed -e 's/\.[[^.]]*$//'`.\${OBJEXT}"
+               fi
+               PKG_OBJECTS="$PKG_OBJECTS $j"
+               ;;
+       esac
+    done
+    AC_SUBST(PKG_SOURCES)
+    AC_SUBST(PKG_OBJECTS)
+])
+
+#------------------------------------------------------------------------
+# TEA_ADD_STUB_SOURCES --
+#
+#      Specify one or more source files.  Users should check for
+#      the right platform before adding to their list.
+#      It is not important to specify the directory, as long as it is
+#      in the generic, win or unix subdirectory of $(srcdir).
+#
+# Arguments:
+#      one or more file names
+#
+# Results:
+#
+#      Defines and substs the following vars:
+#              PKG_STUB_SOURCES
+#              PKG_STUB_OBJECTS
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_ADD_STUB_SOURCES, [
+    vars="$@"
+    for i in $vars; do
+       # check for existence - allows for generic/win/unix VPATH
+       if test ! -f "${srcdir}/$i" -a ! -f "${srcdir}/generic/$i" \
+           -a ! -f "${srcdir}/win/$i" -a ! -f "${srcdir}/unix/$i" \
+           ; then
+           AC_MSG_ERROR([could not find stub source file '$i'])
+       fi
+       PKG_STUB_SOURCES="$PKG_STUB_SOURCES $i"
+       # this assumes it is in a VPATH dir
+       i=`basename $i`
+       # handle user calling this before or after TEA_SETUP_COMPILER
+       if test x"${OBJEXT}" != x ; then
+           j="`echo $i | sed -e 's/\.[[^.]]*$//'`.${OBJEXT}"
+       else
+           j="`echo $i | sed -e 's/\.[[^.]]*$//'`.\${OBJEXT}"
+       fi
+       PKG_STUB_OBJECTS="$PKG_STUB_OBJECTS $j"
+    done
+    AC_SUBST(PKG_STUB_SOURCES)
+    AC_SUBST(PKG_STUB_OBJECTS)
+])
+
+#------------------------------------------------------------------------
+# TEA_ADD_TCL_SOURCES --
+#
+#      Specify one or more Tcl source files.  These should be platform
+#      independent runtime files.
+#
+# Arguments:
+#      one or more file names
+#
+# Results:
+#
+#      Defines and substs the following vars:
+#              PKG_TCL_SOURCES
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_ADD_TCL_SOURCES, [
+    vars="$@"
+    for i in $vars; do
+       # check for existence, be strict because it is installed
+       if test ! -f "${srcdir}/$i" ; then
+           AC_MSG_ERROR([could not find tcl source file '${srcdir}/$i'])
+       fi
+       PKG_TCL_SOURCES="$PKG_TCL_SOURCES $i"
+    done
+    AC_SUBST(PKG_TCL_SOURCES)
+])
+
+#------------------------------------------------------------------------
+# TEA_ADD_HEADERS --
+#
+#      Specify one or more source headers.  Users should check for
+#      the right platform before adding to their list.
+#
+# Arguments:
+#      one or more file names
+#
+# Results:
+#
+#      Defines and substs the following vars:
+#              PKG_HEADERS
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_ADD_HEADERS, [
+    vars="$@"
+    for i in $vars; do
+       # check for existence, be strict because it is installed
+       if test ! -f "${srcdir}/$i" ; then
+           AC_MSG_ERROR([could not find header file '${srcdir}/$i'])
+       fi
+       PKG_HEADERS="$PKG_HEADERS $i"
+    done
+    AC_SUBST(PKG_HEADERS)
+])
+
+#------------------------------------------------------------------------
+# TEA_ADD_INCLUDES --
+#
+#      Specify one or more include dirs.  Users should check for
+#      the right platform before adding to their list.
+#
+# Arguments:
+#      one or more file names
+#
+# Results:
+#
+#      Defines and substs the following vars:
+#              PKG_INCLUDES
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_ADD_INCLUDES, [
+    vars="$@"
+    for i in $vars; do
+       PKG_INCLUDES="$PKG_INCLUDES $i"
+    done
+    AC_SUBST(PKG_INCLUDES)
+])
+
+#------------------------------------------------------------------------
+# TEA_ADD_LIBS --
+#
+#      Specify one or more libraries.  Users should check for
+#      the right platform before adding to their list.  For Windows,
+#      libraries provided in "foo.lib" format will be converted to
+#      "-lfoo" when using GCC (mingw).
+#
+# Arguments:
+#      one or more file names
+#
+# Results:
+#
+#      Defines and substs the following vars:
+#              PKG_LIBS
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_ADD_LIBS, [
+    vars="$@"
+    for i in $vars; do
+       if test "${TEA_PLATFORM}" = "windows" -a "$GCC" = "yes" ; then
+           # Convert foo.lib to -lfoo for GCC.  No-op if not *.lib
+           i=`echo "$i" | sed -e 's/^\([[^-]].*\)\.lib[$]/-l\1/i'`
+       fi
+       PKG_LIBS="$PKG_LIBS $i"
+    done
+    AC_SUBST(PKG_LIBS)
+])
+
+#------------------------------------------------------------------------
+# TEA_ADD_CFLAGS --
+#
+#      Specify one or more CFLAGS.  Users should check for
+#      the right platform before adding to their list.
+#
+# Arguments:
+#      one or more file names
+#
+# Results:
+#
+#      Defines and substs the following vars:
+#              PKG_CFLAGS
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_ADD_CFLAGS, [
+    PKG_CFLAGS="$PKG_CFLAGS $@"
+    AC_SUBST(PKG_CFLAGS)
+])
+
+#------------------------------------------------------------------------
+# TEA_PREFIX --
+#
+#      Handle the --prefix=... option by defaulting to what Tcl gave
+#
+# Arguments:
+#      none
+#
+# Results:
+#
+#      If --prefix or --exec-prefix was not specified, $prefix and
+#      $exec_prefix will be set to the values given to Tcl when it was
+#      configured.
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_PREFIX, [
+    if test "${prefix}" = "NONE"; then
+       prefix_default=yes
+       if test x"${TCL_PREFIX}" != x; then
+           AC_MSG_NOTICE([--prefix defaulting to TCL_PREFIX ${TCL_PREFIX}])
+           prefix=${TCL_PREFIX}
+       else
+           AC_MSG_NOTICE([--prefix defaulting to /usr/local])
+           prefix=/usr/local
+       fi
+    fi
+    if test "${exec_prefix}" = "NONE" -a x"${prefix_default}" = x"yes" \
+       -o x"${exec_prefix_default}" = x"yes" ; then
+       if test x"${TCL_EXEC_PREFIX}" != x; then
+           AC_MSG_NOTICE([--exec-prefix defaulting to TCL_EXEC_PREFIX ${TCL_EXEC_PREFIX}])
+           exec_prefix=${TCL_EXEC_PREFIX}
+       else
+           AC_MSG_NOTICE([--exec-prefix defaulting to ${prefix}])
+           exec_prefix=$prefix
+       fi
+    fi
+])
+
+#------------------------------------------------------------------------
+# TEA_SETUP_COMPILER_CC --
+#
+#      Do compiler checks the way we want.  This is just a replacement
+#      for AC_PROG_CC in TEA configure.in files to make them cleaner.
+#
+# Arguments:
+#      none
+#
+# Results:
+#
+#      Sets up CC var and other standard bits we need to make executables.
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_SETUP_COMPILER_CC, [
+    # Don't put any macros that use the compiler (e.g. AC_TRY_COMPILE)
+    # in this macro, they need to go into TEA_SETUP_COMPILER instead.
+
+    # If the user did not set CFLAGS, set it now to keep
+    # the AC_PROG_CC macro from adding "-g -O2".
+    if test "${CFLAGS+set}" != "set" ; then
+       CFLAGS=""
+    fi
+
+    AC_PROG_CC
+    AC_PROG_CPP
+
+    AC_PROG_INSTALL
+
+    #--------------------------------------------------------------------
+    # Checks to see if the make program sets the $MAKE variable.
+    #--------------------------------------------------------------------
+
+    AC_PROG_MAKE_SET
+
+    #--------------------------------------------------------------------
+    # Find ranlib
+    #--------------------------------------------------------------------
+
+    AC_PROG_RANLIB
+
+    #--------------------------------------------------------------------
+    # Determines the correct binary file extension (.o, .obj, .exe etc.)
+    #--------------------------------------------------------------------
+
+    AC_OBJEXT
+    AC_EXEEXT
+])
+
+#------------------------------------------------------------------------
+# TEA_SETUP_COMPILER --
+#
+#      Do compiler checks that use the compiler.  This must go after
+#      TEA_SETUP_COMPILER_CC, which does the actual compiler check.
+#
+# Arguments:
+#      none
+#
+# Results:
+#
+#      Sets up CC var and other standard bits we need to make executables.
+#------------------------------------------------------------------------
+AC_DEFUN(TEA_SETUP_COMPILER, [
+    # Any macros that use the compiler (e.g. AC_TRY_COMPILE) have to go here.
+    AC_REQUIRE([TEA_SETUP_COMPILER_CC])
+
+    #------------------------------------------------------------------------
+    # If we're using GCC, see if the compiler understands -pipe. If so, use it.
+    # It makes compiling go faster.  (This is only a performance feature.)
+    #------------------------------------------------------------------------
+
+    if test -z "$no_pipe" -a -n "$GCC"; then
+       AC_MSG_CHECKING([if the compiler understands -pipe])
+       OLDCC="$CC"
+       CC="$CC -pipe"
+       AC_TRY_COMPILE(,, AC_MSG_RESULT([yes]), CC="$OLDCC"
+           AC_MSG_RESULT([no]))
+    fi
+
+    #--------------------------------------------------------------------
+    # Common compiler flag setup
+    #--------------------------------------------------------------------
+
+    AC_C_BIGENDIAN
+    if test "${TEA_PLATFORM}" = "unix" ; then
+       TEA_TCL_LINK_LIBS
+       TEA_MISSING_POSIX_HEADERS
+       # Let the user call this, because if it triggers, they will
+       # need a compat/strtod.c that is correct.  Users can also
+       # use Tcl_GetDouble(FromObj) instead.
+       #TEA_BUGGY_STRTOD
+    fi
+])
+
+#------------------------------------------------------------------------
+# TEA_MAKE_LIB --
+#
+#      Generate a line that can be used to build a shared/unshared library
+#      in a platform independent manner.
+#
+# Arguments:
+#      none
+#
+#      Requires:
+#
+# Results:
+#
+#      Defines the following vars:
+#      CFLAGS -        Done late here to note disturb other AC macros
+#       MAKE_LIB -      Command to execute to build the Tcl library;
+#                       differs depending on whether or not Tcl is being
+#                       compiled as a shared library.
+#      MAKE_SHARED_LIB Makefile rule for building a shared library
+#      MAKE_STATIC_LIB Makefile rule for building a static library
+#      MAKE_STUB_LIB   Makefile rule for building a stub library
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_MAKE_LIB, [
+    if test "${TEA_PLATFORM}" = "windows" -a "$GCC" != "yes"; then
+       MAKE_STATIC_LIB="\${STLIB_LD} -out:\[$]@ \$(PKG_OBJECTS)"
+       MAKE_SHARED_LIB="\${SHLIB_LD} \${SHLIB_LD_LIBS} \${LDFLAGS_DEFAULT} -out:\[$]@ \$(PKG_OBJECTS)"
+       MAKE_STUB_LIB="\${STLIB_LD} -out:\[$]@ \$(PKG_STUB_OBJECTS)"
+    else
+       MAKE_STATIC_LIB="\${STLIB_LD} \[$]@ \$(PKG_OBJECTS)"
+       MAKE_SHARED_LIB="\${SHLIB_LD} -o \[$]@ \$(PKG_OBJECTS) \${SHLIB_LD_LIBS}"
+       MAKE_STUB_LIB="\${STLIB_LD} \[$]@ \$(PKG_STUB_OBJECTS)"
+    fi
+
+    if test "${SHARED_BUILD}" = "1" ; then
+       MAKE_LIB="${MAKE_SHARED_LIB} "
+    else
+       MAKE_LIB="${MAKE_STATIC_LIB} "
+    fi
+
+    #--------------------------------------------------------------------
+    # 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 "${TEA_PLATFORM}" = "windows" ; then
+       if test "${SHARED_BUILD}" = "1" ; then
+           # We force the unresolved linking of symbols that are really in
+           # the private libraries of Tcl and Tk.
+           SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}`\""
+           if test x"${TK_BIN_DIR}" != x ; then
+               SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TK_BIN_DIR}/${TK_STUB_LIB_FILE}`\""
+           fi
+           eval eval "PKG_LIB_FILE=${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
+       else
+           eval eval "PKG_LIB_FILE=${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
+       fi
+       # Some packages build there own stubs libraries
+       eval eval "PKG_STUB_LIB_FILE=${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
+       # 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} ${TK_STUB_LIB_SPEC}"
+           fi
+           eval eval "PKG_LIB_FILE=lib${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
+           RANLIB=:
+       else
+           eval eval "PKG_LIB_FILE=lib${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
+       fi
+       # Some packages build there own stubs libraries
+       eval eval "PKG_STUB_LIB_FILE=lib${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
+    fi
+
+    # These are escaped so that only CFLAGS is picked up at configure time.
+    # The other values will be substituted at make time.
+    CFLAGS="${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)
+    AC_SUBST(RANLIB_STUB)
+])
+
+#------------------------------------------------------------------------
+# TEA_LIB_SPEC --
+#
+#      Compute the name of an existing object library located in libdir
+#      from the given base name and produce the appropriate linker flags.
+#
+# Arguments:
+#      basename        The base name of the library without version
+#                      numbers, extensions, or "lib" prefixes.
+#      extra_dir       Extra directory in which to search for the
+#                      library.  This location is used first, then
+#                      $prefix/$exec-prefix, then some defaults.
+#
+# Requires:
+#      TEA_INIT and TEA_PREFIX must be called first.
+#
+# Results:
+#
+#      Defines the following vars:
+#              ${basename}_LIB_NAME    The computed library name.
+#              ${basename}_LIB_SPEC    The computed linker flags.
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_LIB_SPEC, [
+    AC_MSG_CHECKING([for $1 library])
+
+    # Look in exec-prefix for the library (defined by TEA_PREFIX).
+
+    tea_lib_name_dir="${exec_prefix}/lib"
+
+    # Or in a user-specified location.
+
+    if test x"$2" != x ; then
+       tea_extra_lib_dir=$2
+    else
+       tea_extra_lib_dir=NONE
+    fi
+
+    for i in \
+           `ls -dr ${tea_extra_lib_dir}/$1[[0-9]]*.lib 2>/dev/null ` \
+           `ls -dr ${tea_extra_lib_dir}/lib$1[[0-9]]* 2>/dev/null ` \
+           `ls -dr ${tea_lib_name_dir}/$1[[0-9]]*.lib 2>/dev/null ` \
+           `ls -dr ${tea_lib_name_dir}/lib$1[[0-9]]* 2>/dev/null ` \
+           `ls -dr /usr/lib/$1[[0-9]]*.lib 2>/dev/null ` \
+           `ls -dr /usr/lib/lib$1[[0-9]]* 2>/dev/null ` \
+           `ls -dr /usr/local/lib/$1[[0-9]]*.lib 2>/dev/null ` \
+           `ls -dr /usr/local/lib/lib$1[[0-9]]* 2>/dev/null ` ; do
+       if test -f "$i" ; then
+           tea_lib_name_dir=`dirname $i`
+           $1_LIB_NAME=`basename $i`
+           $1_LIB_PATH_NAME=$i
+           break
+       fi
+    done
+
+    if test "${TEA_PLATFORM}" = "windows"; then
+       $1_LIB_SPEC=\"`${CYGPATH} ${$1_LIB_PATH_NAME} 2>/dev/null`\"
+    else
+       # Strip off the leading "lib" and trailing ".a" or ".so"
+
+       tea_lib_name_lib=`echo ${$1_LIB_NAME}|sed -e 's/^lib//' -e 's/\.[[^.]]*$//' -e 's/\.so.*//'`
+       $1_LIB_SPEC="-L${tea_lib_name_dir} -l${tea_lib_name_lib}"
+    fi
+
+    if test "x${$1_LIB_NAME}" = x ; then
+       AC_MSG_ERROR([not found])
+    else
+       AC_MSG_RESULT([${$1_LIB_SPEC}])
+    fi
+])
+
+#------------------------------------------------------------------------
+# TEA_PRIVATE_TCL_HEADERS --
+#
+#      Locate the private Tcl include files
+#
+# Arguments:
+#
+#      Requires:
+#              TCL_SRC_DIR     Assumes that TEA_LOAD_TCLCONFIG has
+#                               already been called.
+#
+# Results:
+#
+#      Substs the following vars:
+#              TCL_TOP_DIR_NATIVE
+#              TCL_GENERIC_DIR_NATIVE
+#              TCL_UNIX_DIR_NATIVE
+#              TCL_WIN_DIR_NATIVE
+#              TCL_BMAP_DIR_NATIVE
+#              TCL_TOOL_DIR_NATIVE
+#              TCL_PLATFORM_DIR_NATIVE
+#              TCL_BIN_DIR_NATIVE
+#              TCL_INCLUDES
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PRIVATE_TCL_HEADERS, [
+    AC_MSG_CHECKING([for Tcl private include files])
+
+    if test "${TEA_PLATFORM}" = "windows"; then
+       TCL_TOP_DIR_NATIVE=\"`${CYGPATH} ${TCL_SRC_DIR}`\"
+       TCL_GENERIC_DIR_NATIVE=\"`${CYGPATH} ${TCL_SRC_DIR}/generic`\"
+       TCL_UNIX_DIR_NATIVE=\"`${CYGPATH} ${TCL_SRC_DIR}/unix`\"
+       TCL_WIN_DIR_NATIVE=\"`${CYGPATH} ${TCL_SRC_DIR}/win`\"
+       TCL_BMAP_DIR_NATIVE=\"`${CYGPATH} ${TCL_SRC_DIR}/bitmaps`\"
+       TCL_TOOL_DIR_NATIVE=\"`${CYGPATH} ${TCL_SRC_DIR}/tools`\"
+       TCL_COMPAT_DIR_NATIVE=\"`${CYGPATH} ${TCL_SRC_DIR}/compat`\"
+       TCL_PLATFORM_DIR_NATIVE=${TCL_WIN_DIR_NATIVE}
+
+       TCL_INCLUDES="-I${TCL_GENERIC_DIR_NATIVE} -I${TCL_PLATFORM_DIR_NATIVE}"
+    else
+       TCL_TOP_DIR_NATIVE='$(TCL_SRC_DIR)'
+       TCL_GENERIC_DIR_NATIVE='${TCL_TOP_DIR_NATIVE}/generic'
+       TCL_UNIX_DIR_NATIVE='${TCL_TOP_DIR_NATIVE}/unix'
+       TCL_WIN_DIR_NATIVE='${TCL_TOP_DIR_NATIVE}/win'
+       TCL_BMAP_DIR_NATIVE='${TCL_TOP_DIR_NATIVE}/bitmaps'
+       TCL_TOOL_DIR_NATIVE='${TCL_TOP_DIR_NATIVE}/tools'
+       TCL_COMPAT_DIR_NATIVE='${TCL_TOP_DIR_NATIVE}/compat'
+       TCL_PLATFORM_DIR_NATIVE=${TCL_UNIX_DIR_NATIVE}
+
+       # substitute these in "relaxed" so that TCL_INCLUDES still works
+       # without requiring the other vars to be defined in the Makefile
+       eval "TCL_INCLUDES=\"-I${TCL_GENERIC_DIR_NATIVE} -I${TCL_PLATFORM_DIR_NATIVE}\""
+    fi
+
+    AC_SUBST(TCL_TOP_DIR_NATIVE)
+    AC_SUBST(TCL_GENERIC_DIR_NATIVE)
+    AC_SUBST(TCL_UNIX_DIR_NATIVE)
+    AC_SUBST(TCL_WIN_DIR_NATIVE)
+    AC_SUBST(TCL_BMAP_DIR_NATIVE)
+    AC_SUBST(TCL_TOOL_DIR_NATIVE)
+    AC_SUBST(TCL_PLATFORM_DIR_NATIVE)
+
+    AC_SUBST(TCL_INCLUDES)
+    AC_MSG_RESULT([Using srcdir found in tclConfig.sh: ${TCL_SRC_DIR}])
+])
+
+#------------------------------------------------------------------------
+# TEA_PUBLIC_TCL_HEADERS --
+#
+#      Locate the installed public Tcl header files
+#
+# Arguments:
+#      None.
+#
+# Requires:
+#      CYGPATH must be set
+#
+# Results:
+#
+#      Adds a --with-tclinclude switch to configure.
+#      Result is cached.
+#
+#      Substs the following vars:
+#              TCL_INCLUDES
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PUBLIC_TCL_HEADERS, [
+    AC_MSG_CHECKING([for Tcl public headers])
+
+    AC_ARG_WITH(tclinclude, [  --with-tclinclude       directory containing the public Tcl header files], with_tclinclude=${withval})
+
+    AC_CACHE_VAL(ac_cv_c_tclh, [
+       # Use the value from --with-tclinclude, if it was given
+
+       if test x"${with_tclinclude}" != x ; then
+           if test -f "${with_tclinclude}/tcl.h" ; then
+               ac_cv_c_tclh=${with_tclinclude}
+           else
+               AC_MSG_ERROR([${with_tclinclude} directory does not contain tcl.h])
+           fi
+       else
+           # Check order: pkg --prefix location, Tcl's --prefix location,
+           # directory of tclConfig.sh, and Tcl source directory.
+           # Looking in the source dir is not ideal, but OK.
+
+           eval "temp_includedir=${includedir}"
+           list="`ls -d ${temp_includedir}      2>/dev/null` \
+               `ls -d ${TCL_PREFIX}/include     2>/dev/null` \
+               `ls -d ${TCL_BIN_DIR}/../include 2>/dev/null` \
+               `ls -d ${TCL_SRC_DIR}/generic    2>/dev/null`"
+           if test "${TEA_PLATFORM}" != "windows" -o "$GCC" = "yes"; then
+               list="$list /usr/local/include /usr/include"
+           fi
+           for i in $list ; do
+               if test -f "$i/tcl.h" ; then
+                   ac_cv_c_tclh=$i
+                   break
+               fi
+           done
+       fi
+    ])
+
+    # Print a message based on how we determined the include path
+
+    if test x"${ac_cv_c_tclh}" = x ; then
+       AC_MSG_ERROR([tcl.h not found.  Please specify its location with --with-tclinclude])
+    else
+       AC_MSG_RESULT([${ac_cv_c_tclh}])
+    fi
+
+    # Convert to a native path and substitute into the output files.
+
+    INCLUDE_DIR_NATIVE=`${CYGPATH} ${ac_cv_c_tclh}`
+
+    TCL_INCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
+
+    AC_SUBST(TCL_INCLUDES)
+])
+
+#------------------------------------------------------------------------
+# TEA_PRIVATE_TK_HEADERS --
+#
+#      Locate the private Tk include files
+#
+# Arguments:
+#
+#      Requires:
+#              TK_SRC_DIR      Assumes that TEA_LOAD_TKCONFIG has
+#                               already been called.
+#
+# Results:
+#
+#      Substs the following vars:
+#              TK_INCLUDES
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PRIVATE_TK_HEADERS, [
+    AC_MSG_CHECKING([for Tk private include files])
+
+    if test "${TEA_PLATFORM}" = "windows"; then
+       TK_TOP_DIR_NATIVE=\"`${CYGPATH} ${TK_SRC_DIR}`\"
+       TK_UNIX_DIR_NATIVE=\"`${CYGPATH} ${TK_SRC_DIR}/unix`\"
+       TK_WIN_DIR_NATIVE=\"`${CYGPATH} ${TK_SRC_DIR}/win`\"
+       TK_GENERIC_DIR_NATIVE=\"`${CYGPATH} ${TK_SRC_DIR}/generic`\"
+       TK_XLIB_DIR_NATIVE=\"`${CYGPATH} ${TK_SRC_DIR}/xlib`\"
+       TK_PLATFORM_DIR_NATIVE=${TK_WIN_DIR_NATIVE}
+
+       TK_INCLUDES="-I${TK_GENERIC_DIR_NATIVE} -I${TK_PLATFORM_DIR_NATIVE} -I${TK_XLIB_DIR_NATIVE}"
+    else
+       TK_TOP_DIR_NATIVE='${TK_SRC_DIR}'
+       TK_GENERIC_DIR_NATIVE='${TK_TOP_DIR_NATIVE}/generic'
+       TK_UNIX_DIR_NATIVE='${TK_TOP_DIR_NATIVE}/unix'
+       TK_WIN_DIR_NATIVE='${TK_TOP_DIR_NATIVE}/win'
+       TK_PLATFORM_DIR_NATIVE=${TK_UNIX_DIR_NATIVE}
+
+       # substitute these in "relaxed" so that TK_INCLUDES still works
+       # without requiring the other vars to be defined in the Makefile
+       eval "TK_INCLUDES=\"-I${TK_GENERIC_DIR_NATIVE} -I${TK_PLATFORM_DIR_NATIVE}\""
+    fi
+
+    AC_SUBST(TK_TOP_DIR_NATIVE)
+    AC_SUBST(TK_UNIX_DIR_NATIVE)
+    AC_SUBST(TK_WIN_DIR_NATIVE)
+    AC_SUBST(TK_GENERIC_DIR_NATIVE)
+    AC_SUBST(TK_XLIB_DIR_NATIVE)
+    AC_SUBST(TK_PLATFORM_DIR_NATIVE)
+
+    AC_SUBST(TK_INCLUDES)
+    AC_MSG_RESULT([Using srcdir found in tkConfig.sh: ${TK_SRC_DIR}])
+])
+
+#------------------------------------------------------------------------
+# TEA_PUBLIC_TK_HEADERS --
+#
+#      Locate the installed public Tk header files
+#
+# Arguments:
+#      None.
+#
+# Requires:
+#      CYGPATH must be set
+#
+# Results:
+#
+#      Adds a --with-tkinclude switch to configure.
+#      Result is cached.
+#
+#      Substs the following vars:
+#              TK_INCLUDES
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PUBLIC_TK_HEADERS, [
+    AC_MSG_CHECKING([for Tk public headers])
+
+    AC_ARG_WITH(tkinclude, [  --with-tkinclude      directory containing the public Tk header files.], with_tkinclude=${withval})
+
+    AC_CACHE_VAL(ac_cv_c_tkh, [
+       # Use the value from --with-tkinclude, if it was given
+
+       if test x"${with_tkinclude}" != x ; then
+           if test -f "${with_tkinclude}/tk.h" ; then
+               ac_cv_c_tkh=${with_tkinclude}
+           else
+               AC_MSG_ERROR([${with_tkinclude} directory does not contain tk.h])
+           fi
+       else
+           # Check order: pkg --prefix location, Tcl's --prefix location,
+           # directory of tclConfig.sh, and Tcl source directory.
+           # Looking in the source dir is not ideal, but OK.
+
+           eval "temp_includedir=${includedir}"
+           list="`ls -d ${temp_includedir}      2>/dev/null` \
+               `ls -d ${TK_PREFIX}/include      2>/dev/null` \
+               `ls -d ${TCL_PREFIX}/include     2>/dev/null` \
+               `ls -d ${TCL_BIN_DIR}/../include 2>/dev/null` \
+               `ls -d ${TK_SRC_DIR}/generic     2>/dev/null`"
+           if test "${TEA_PLATFORM}" != "windows" -o "$GCC" = "yes"; then
+               list="$list /usr/local/include /usr/include"
+           fi
+           for i in $list ; do
+               if test -f "$i/tk.h" ; then
+                   ac_cv_c_tkh=$i
+                   break
+               fi
+           done
+       fi
+    ])
+
+    # Print a message based on how we determined the include path
+
+    if test x"${ac_cv_c_tkh}" = x ; then
+       AC_MSG_ERROR([tk.h not found.  Please specify its location with --with-tkinclude])
+    else
+       AC_MSG_RESULT([${ac_cv_c_tkh}])
+    fi
+
+    # Convert to a native path and substitute into the output files.
+
+    INCLUDE_DIR_NATIVE=`${CYGPATH} ${ac_cv_c_tkh}`
+
+    TK_INCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
+
+    AC_SUBST(TK_INCLUDES)
+
+    if test "${TEA_PLATFORM}" = "windows" ; then
+       # On Windows, we need the X compat headers
+       AC_MSG_CHECKING([for X11 header files])
+       if test ! -r "${INCLUDE_DIR_NATIVE}/X11/Xlib.h"; then
+           INCLUDE_DIR_NATIVE="`${CYGPATH} ${TK_SRC_DIR}/xlib`"
+           TK_XINCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
+           AC_SUBST(TK_XINCLUDES)
+       fi
+       AC_MSG_RESULT([${INCLUDE_DIR_NATIVE}])
+    fi
+])
+
+#------------------------------------------------------------------------
+# TEA_PROG_TCLSH
+#      Locate a tclsh shell in the following directories:
+#              ${TCL_BIN_DIR}          ${TCL_BIN_DIR}/../bin
+#              ${exec_prefix}/bin      ${prefix}/bin
+#              ${PATH}
+#
+# Arguments
+#      none
+#
+# Results
+#      Subst's the following values:
+#              TCLSH_PROG
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PROG_TCLSH, [
+    # Allow the user to provide this setting in the env
+    if test "x${TCLSH_PROG}" = "x" ; then
+       AC_MSG_CHECKING([for tclsh])
+
+       AC_CACHE_VAL(ac_cv_path_tclsh, [
+       search_path=`echo ${PATH} | sed -e 's/:/ /g'`
+       if test "${TEA_PLATFORM}" != "windows" -o \
+               \( "$do64bit_ok" = "no" -a "$doWince" = "no" \) ; then
+           # Do not allow target tclsh in known cross-compile builds,
+           # as we need one we can run on this system
+           search_path="${TCL_BIN_DIR} ${TCL_BIN_DIR}/../bin ${exec_prefix}/bin ${prefix}/bin ${search_path}"
+       fi
+       for dir in $search_path ; do
+           for j in `ls -r $dir/tclsh[[8-9]]*${EXEEXT} 2> /dev/null` \
+                   `ls -r $dir/tclsh*${EXEEXT} 2> /dev/null` ; do
+               if test x"$ac_cv_path_tclsh" = x ; then
+                   if test -f "$j" ; then
+                       ac_cv_path_tclsh=$j
+                       break
+                   fi
+               fi
+           done
+       done
+       ])
+
+       if test -f "$ac_cv_path_tclsh" ; then
+           TCLSH_PROG=$ac_cv_path_tclsh
+           AC_MSG_RESULT([$TCLSH_PROG])
+       else
+           AC_MSG_ERROR([No tclsh found in PATH: $search_path])
+       fi
+    fi
+    AC_SUBST(TCLSH_PROG)
+])
+
+#------------------------------------------------------------------------
+# TEA_PROG_WISH
+#      Locate a wish shell in the following directories:
+#              ${TK_BIN_DIR}           ${TK_BIN_DIR}/../bin
+#              ${TCL_BIN_DIR}          ${TCL_BIN_DIR}/../bin
+#              ${exec_prefix}/bin      ${prefix}/bin
+#              ${PATH}
+#
+# Arguments
+#      none
+#
+# Results
+#      Subst's the following values:
+#              WISH_PROG
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PROG_WISH, [
+    # Allow the user to provide this setting in the env
+    if test "x${WISH_PROG}" = "x" ; then
+       AC_MSG_CHECKING([for wish])
+
+       AC_CACHE_VAL(ac_cv_path_wish, [
+       search_path=`echo ${PATH} | sed -e 's/:/ /g'`
+       if test "${TEA_PLATFORM}" != "windows" -o \
+               \( "$do64bit_ok" = "no" -a "$doWince" = "no" \) ; then
+           # Do not allow target wish in known cross-compile builds,
+           # as we need one we can run on this system
+           search_path="${TK_BIN_DIR} ${TK_BIN_DIR}/../bin ${TCL_BIN_DIR} ${TCL_BIN_DIR}/../bin ${exec_prefix}/bin ${prefix}/bin ${search_path}"
+       fi
+       for dir in $search_path ; do
+           for j in `ls -r $dir/wish[[8-9]]*${EXEEXT} 2> /dev/null` \
+                   `ls -r $dir/wish*${EXEEXT} 2> /dev/null` ; do
+               if test x"$ac_cv_path_wish" = x ; then
+                   if test -f "$j" ; then
+                       ac_cv_path_wish=$j
+                       break
+                   fi
+               fi
+           done
+       done
+       ])
+
+       if test -f "$ac_cv_path_wish" ; then
+       WISH_PROG=$ac_cv_path_wish
+           AC_MSG_RESULT([$WISH_PROG])
+       else
+           AC_MSG_ERROR([No wish found in PATH: $search_path])
+       fi
+    fi
+    AC_SUBST(WISH_PROG)
+])
+
+#------------------------------------------------------------------------
+# TEA_PATH_CONFIG --
+#
+#      Locate the ${1}Config.sh file and perform a sanity check on
+#      the ${1} compile flags.  These are used by packages like
+#      [incr Tk] that load *Config.sh files from more than Tcl and Tk.
+#
+# Arguments:
+#      none
+#
+# Results:
+#
+#      Adds the following arguments to configure:
+#              --with-$1=...
+#
+#      Defines the following vars:
+#              $1_BIN_DIR      Full path to the directory containing
+#                              the $1Config.sh file
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PATH_CONFIG, [
+    #
+    # Ok, lets find the $1 configuration
+    # First, look for one uninstalled.
+    # the alternative search directory is invoked by --with-$1
+    #
+
+    if test x"${no_$1}" = x ; then
+       # we reset no_$1 in case something fails here
+       no_$1=true
+       AC_ARG_WITH($1, [  --with-$1              directory containing $1 configuration ($1Config.sh)], with_$1config=${withval})
+       AC_MSG_CHECKING([for $1 configuration])
+       AC_CACHE_VAL(ac_cv_c_$1config,[
+
+           # First check to see if --with-$1 was specified.
+           if test x"${with_$1config}" != x ; then
+               case ${with_$1config} in
+                   */$1Config.sh )
+                       if test -f ${with_$1config}; then
+                           AC_MSG_WARN([--with-$1 argument should refer to directory containing $1Config.sh, not to $1Config.sh itself])
+                           with_$1config=`echo ${with_$1config} | sed 's!/$1Config\.sh$!!'`
+                       fi;;
+               esac
+               if test -f "${with_$1config}/$1Config.sh" ; then
+                   ac_cv_c_$1config=`(cd ${with_$1config}; pwd)`
+               else
+                   AC_MSG_ERROR([${with_$1config} directory doesn't contain $1Config.sh])
+               fi
+           fi
+
+           # then check for a private $1 installation
+           if test x"${ac_cv_c_$1config}" = x ; then
+               for i in \
+                       ../$1 \
+                       `ls -dr ../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
+                       `ls -dr ../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
+                       `ls -dr ../$1*[[0-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
+                       ../../$1 \
+                       `ls -dr ../../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
+                       `ls -dr ../../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
+                       `ls -dr ../../$1*[[0-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ../../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
+                       ../../../$1 \
+                       `ls -dr ../../../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
+                       `ls -dr ../../../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
+                       `ls -dr ../../../$1*[[0-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ../../../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
+                       ${srcdir}/../$1 \
+                       `ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
+                       `ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
+                       `ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]] 2>/dev/null` \
+                       `ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
+                       ; do
+                   if test -f "$i/$1Config.sh" ; then
+                       ac_cv_c_$1config=`(cd $i; pwd)`
+                       break
+                   fi
+                   if test -f "$i/unix/$1Config.sh" ; then
+                       ac_cv_c_$1config=`(cd $i/unix; pwd)`
+                       break
+                   fi
+               done
+           fi
+
+           # check in a few common install locations
+           if test x"${ac_cv_c_$1config}" = x ; then
+               for i in `ls -d ${exec_prefix}/lib 2>/dev/null` \
+                       `ls -d ${prefix}/lib 2>/dev/null` \
+                       `ls -d /usr/local/lib 2>/dev/null` \
+                       `ls -d /usr/contrib/lib 2>/dev/null` \
+                       `ls -d /usr/lib 2>/dev/null` \
+                       ; do
+                   if test -f "$i/$1Config.sh" ; then
+                       ac_cv_c_$1config=`(cd $i; pwd)`
+                       break
+                   fi
+               done
+           fi
+       ])
+
+       if test x"${ac_cv_c_$1config}" = x ; then
+           $1_BIN_DIR="# no $1 configs found"
+           AC_MSG_WARN("Cannot find $1 configuration definitions")
+           exit 0
+       else
+           no_$1=
+           $1_BIN_DIR=${ac_cv_c_$1config}
+           AC_MSG_RESULT([found $$1_BIN_DIR/$1Config.sh])
+       fi
+    fi
+])
+
+#------------------------------------------------------------------------
+# TEA_LOAD_CONFIG --
+#
+#      Load the $1Config.sh file
+#
+# Arguments:
+#      
+#      Requires the following vars to be set:
+#              $1_BIN_DIR
+#
+# Results:
+#
+#      Subst the following vars:
+#              $1_SRC_DIR
+#              $1_LIB_FILE
+#              $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}
+    fi
+
+    AC_SUBST($1_VERSION)
+    AC_SUBST($1_BIN_DIR)
+    AC_SUBST($1_SRC_DIR)
+
+    AC_SUBST($1_LIB_FILE)
+    AC_SUBST($1_LIB_SPEC)
+
+    AC_SUBST($1_STUB_LIB_FILE)
+    AC_SUBST($1_STUB_LIB_SPEC)
+    AC_SUBST($1_STUB_LIB_PATH)
+])
+
+#------------------------------------------------------------------------
+# TEA_PATH_CELIB --
+#
+#      Locate Keuchel's celib emulation layer for targeting Win/CE
+#
+# Arguments:
+#      none
+#
+# Results:
+#
+#      Adds the following arguments to configure:
+#              --with-celib=...
+#
+#      Defines the following vars:
+#              CELIB_DIR       Full path to the directory containing
+#                              the include and platform lib files
+#------------------------------------------------------------------------
+
+AC_DEFUN(TEA_PATH_CELIB, [
+    # First, look for one uninstalled.
+    # the alternative search directory is invoked by --with-celib
+
+    if test x"${no_celib}" = x ; then
+       # we reset no_celib in case something fails here
+       no_celib=true
+       AC_ARG_WITH(celib,[  --with-celib=DIR        use Windows/CE support library from DIR], with_celibconfig=${withval})
+       AC_MSG_CHECKING([for Windows/CE celib directory])
+       AC_CACHE_VAL(ac_cv_c_celibconfig,[
+           # First check to see if --with-celibconfig was specified.
+           if test x"${with_celibconfig}" != x ; then
+               if test -d "${with_celibconfig}/inc" ; then
+                   ac_cv_c_celibconfig=`(cd ${with_celibconfig}; pwd)`
+               else
+                   AC_MSG_ERROR([${with_celibconfig} directory doesn't contain inc directory])
+               fi
+           fi
+
+           # then check for a celib library
+           if test x"${ac_cv_c_celibconfig}" = x ; then
+               for i in \
+                       ../celib-palm-3.0 \
+                       ../celib \
+                       ../../celib-palm-3.0 \
+                       ../../celib \
+                       `ls -dr ../celib-*3.[[0-9]]* 2>/dev/null` \
+                       ${srcdir}/../celib-palm-3.0 \
+                       ${srcdir}/../celib \
+                       `ls -dr ${srcdir}/../celib-*3.[[0-9]]* 2>/dev/null` \
+                       ; do
+                   if test -d "$i/inc" ; then
+                       ac_cv_c_celibconfig=`(cd $i; pwd)`
+                       break
+                   fi
+               done
+           fi
+       ])
+       if test x"${ac_cv_c_celibconfig}" = x ; then
+           AC_MSG_ERROR([Cannot find celib support library directory])
+       else
+           no_celib=
+           CELIB_DIR=${ac_cv_c_celibconfig}
+           AC_MSG_RESULT([found $CELIB_DIR])
+           TEA_PATH_NOSPACE(CELIB_DIR, ${ac_cv_c_celibconfig})
+       fi
+    fi
+])
+
+#------------------------------------------------------------------------
+# TEA_PATH_NOSPACE
+#      Ensure that the given path has no spaces.  This is necessary for
+#      CC (and consitutuent vars that build it up) to work in the
+#      tortured autoconf environment.  Currently only for Windows use.
+#
+# Arguments
+#      VAR  - name of the variable to set
+#      PATH - path to ensure no spaces in
+#
+# Results
+#      Sets $VAR to short path of $PATH if it can be found.
+#------------------------------------------------------------------------
+
+AC_DEFUN([TEA_PATH_NOSPACE], [
+    if test "${TEA_PLATFORM}" = "windows" ; then
+       # we need TCLSH_PROG defined to get Windows short pathnames
+       AC_REQUIRE([TEA_PROG_TCLSH])
+
+       AC_MSG_CHECKING([short pathname for $1 ($2)])
+
+       shortpath=
+       case "$2" in
+           *\ *)
+               # Only do this if we need to.
+               shortpath=`echo "puts [[file attributes {$2} -shortname]] ; exit" | ${TCLSH_PROG} 2>/dev/null`
+               ;;
+       esac
+       if test "x${shortpath}" = "x" ; then
+           AC_MSG_RESULT([not changed])
+       else
+           $1=$shortpath
+           AC_MSG_RESULT([${$1}])
+       fi
+    fi
+])
diff --git a/itcl/itk/win/nmakehlp.c b/itcl/itk/win/nmakehlp.c
new file mode 100644 (file)
index 0000000..547b1c1
--- /dev/null
@@ -0,0 +1,359 @@
+/* ----------------------------------------------------------------------------
+ * nmakehlp.c --
+ *
+ *     This is used to fix limitations within nmake and the environment.
+ *
+ * Copyright (c) 2002 by David Gravereaux.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * ----------------------------------------------------------------------------
+ * RCS: @(#) $Id$
+ * ----------------------------------------------------------------------------
+ */
+#include <windows.h>
+#pragma comment (lib, "user32.lib")
+#pragma comment (lib, "kernel32.lib")
+#include <stdio.h>
+#include <math.h>
+
+/* protos */
+int CheckForCompilerFeature (const char *option);
+int CheckForLinkerFeature (const char *option);
+int IsIn (const char *string, const char *substring);
+int GrepForDefine (const char *file, const char *string);
+DWORD WINAPI ReadFromPipe (LPVOID args);
+
+/* globals */
+#define CHUNK  25
+#define STATICBUFFERSIZE    1000
+typedef struct {
+    HANDLE pipe;
+    char buffer[STATICBUFFERSIZE];
+} pipeinfo;
+
+pipeinfo Out = {INVALID_HANDLE_VALUE, '\0'};
+pipeinfo Err = {INVALID_HANDLE_VALUE, '\0'};
+
+
+
+/* exitcodes: 0 == no, 1 == yes, 2 == error */
+int
+main (int argc, char *argv[])
+{
+    char msg[300];
+    DWORD dwWritten;
+    int chars;
+
+    /* make sure children (cl.exe and link.exe) are kept quiet. */
+    SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
+
+    /* Make sure the compiler and linker aren't effected by the outside world. */
+    SetEnvironmentVariable("CL", "");
+    SetEnvironmentVariable("LINK", "");
+
+    if (argc > 1 && *argv[1] == '-') {
+       switch (*(argv[1]+1)) {
+       case 'c':
+           if (argc != 3) {
+               chars = wsprintf(msg, "usage: %s -c <compiler option>\n"
+                       "Tests for whether cl.exe supports an option\n"
+                       "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
+               WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL);
+               return 2;
+           }
+           return CheckForCompilerFeature(argv[2]);
+       case 'l':
+           if (argc != 3) {
+               chars = wsprintf(msg, "usage: %s -l <linker option>\n"
+                       "Tests for whether link.exe supports an option\n"
+                       "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
+               WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL);
+               return 2;
+           }
+           return CheckForLinkerFeature(argv[2]);
+       case 'f':
+           if (argc == 2) {
+               chars = wsprintf(msg, "usage: %s -f <string> <substring>\n"
+                   "Find a substring within another\n"
+                   "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
+               WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL);
+               return 2;
+           } else if (argc == 3) {
+               /* if the string is blank, there is no match */
+               return 0;
+           } else {
+               return IsIn(argv[2], argv[3]);
+           }
+       case 'g':
+           if (argc == 2) {
+               chars = wsprintf(msg, "usage: %s -g <file> <string>\n"
+                   "grep for a #define\n"
+                   "exitcodes: integer of the found string (no decimals)\n", argv[0]);
+               WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL);
+               return 2;
+           }
+           return GrepForDefine(argv[2], argv[3]);
+       }
+    }
+    chars = wsprintf(msg, "usage: %s -c|-l|-f ...\n"
+           "This is a little helper app to equalize shell differences between WinNT and\n"
+           "Win9x and get nmake.exe to accomplish its job.\n",
+           argv[0]);
+    WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL);
+    return 2;
+}
+
+int
+CheckForCompilerFeature (const char *option)
+{
+    STARTUPINFO si;
+    PROCESS_INFORMATION pi;
+    SECURITY_ATTRIBUTES sa;
+    DWORD threadID;
+    char msg[300];
+    BOOL ok;
+    HANDLE hProcess, h, pipeThreads[2];
+    char cmdline[100];
+
+    hProcess = GetCurrentProcess();
+
+    ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
+    ZeroMemory(&si, sizeof(STARTUPINFO));
+    si.cb = sizeof(STARTUPINFO);
+    si.dwFlags   = STARTF_USESTDHANDLES;
+    si.hStdInput = INVALID_HANDLE_VALUE;
+
+    ZeroMemory(&sa, sizeof(SECURITY_ATTRIBUTES));
+    sa.nLength = sizeof(SECURITY_ATTRIBUTES);
+    sa.lpSecurityDescriptor = NULL;
+    sa.bInheritHandle = FALSE;
+
+    /* create a non-inheritible pipe. */
+    CreatePipe(&Out.pipe, &h, &sa, 0);
+
+    /* dupe the write side, make it inheritible, and close the original. */
+    DuplicateHandle(hProcess, h, hProcess, &si.hStdOutput, 
+           0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
+
+    /* Same as above, but for the error side. */
+    CreatePipe(&Err.pipe, &h, &sa, 0);
+    DuplicateHandle(hProcess, h, hProcess, &si.hStdError, 
+           0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
+
+    /* base command line */
+    strcpy(cmdline, "cl.exe -nologo -c -TC -Zs -X ");
+    /* append our option for testing */
+    strcat(cmdline, option);
+    /* filename to compile, which exists, but is nothing and empty. */
+    strcat(cmdline, " .\\nul");
+
+    ok = CreateProcess(
+           NULL,           /* Module name. */
+           cmdline,        /* Command line. */
+           NULL,           /* Process handle not inheritable. */
+           NULL,           /* Thread handle not inheritable. */
+           TRUE,           /* yes, inherit handles. */
+           DETACHED_PROCESS, /* No console for you. */
+           NULL,           /* Use parent's environment block. */
+           NULL,           /* Use parent's starting directory. */
+           &si,            /* Pointer to STARTUPINFO structure. */
+           &pi);           /* Pointer to PROCESS_INFORMATION structure. */
+
+    if (!ok) {
+       DWORD err = GetLastError();
+       int chars = wsprintf(msg, "Tried to launch: \"%s\", but got error [%u]: ", cmdline, err);
+
+       FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS |
+               FORMAT_MESSAGE_MAX_WIDTH_MASK, 0L, err, 0, (LPVOID) &msg[chars],
+               (300-chars), 0);
+       WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, strlen(msg), &err, NULL);
+       return 2;
+    }
+
+    /* close our references to the write handles that have now been inherited. */
+    CloseHandle(si.hStdOutput);
+    CloseHandle(si.hStdError);
+
+    WaitForInputIdle(pi.hProcess, 5000);
+    CloseHandle(pi.hThread);
+
+    /* start the pipe reader threads. */
+    pipeThreads[0] = CreateThread(NULL, 0, ReadFromPipe, &Out, 0, &threadID);
+    pipeThreads[1] = CreateThread(NULL, 0, ReadFromPipe, &Err, 0, &threadID);
+
+    /* block waiting for the process to end. */
+    WaitForSingleObject(pi.hProcess, INFINITE);
+    CloseHandle(pi.hProcess);
+
+    /* wait for our pipe to get done reading, should it be a little slow. */
+    WaitForMultipleObjects(2, pipeThreads, TRUE, 500);
+    CloseHandle(pipeThreads[0]);
+    CloseHandle(pipeThreads[1]);
+
+    /* look for the commandline warning code in both streams. */
+    return !(strstr(Out.buffer, "D4002") != NULL || strstr(Err.buffer, "D4002") != NULL);
+}
+
+int
+CheckForLinkerFeature (const char *option)
+{
+    STARTUPINFO si;
+    PROCESS_INFORMATION pi;
+    SECURITY_ATTRIBUTES sa;
+    DWORD threadID;
+    char msg[300];
+    BOOL ok;
+    HANDLE hProcess, h, pipeThreads[2];
+    char cmdline[100];
+
+    hProcess = GetCurrentProcess();
+
+    ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
+    ZeroMemory(&si, sizeof(STARTUPINFO));
+    si.cb = sizeof(STARTUPINFO);
+    si.dwFlags   = STARTF_USESTDHANDLES;
+    si.hStdInput = INVALID_HANDLE_VALUE;
+
+    ZeroMemory(&sa, sizeof(SECURITY_ATTRIBUTES));
+    sa.nLength = sizeof(SECURITY_ATTRIBUTES);
+    sa.lpSecurityDescriptor = NULL;
+    sa.bInheritHandle = TRUE;
+
+    /* create a non-inheritible pipe. */
+    CreatePipe(&Out.pipe, &h, &sa, 0);
+
+    /* dupe the write side, make it inheritible, and close the original. */
+    DuplicateHandle(hProcess, h, hProcess, &si.hStdOutput, 
+           0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
+
+    /* Same as above, but for the error side. */
+    CreatePipe(&Err.pipe, &h, &sa, 0);
+    DuplicateHandle(hProcess, h, hProcess, &si.hStdError, 
+           0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
+
+    /* base command line */
+    strcpy(cmdline, "link.exe -nologo ");
+    /* append our option for testing */
+    strcat(cmdline, option);
+
+    ok = CreateProcess(
+           NULL,           /* Module name. */
+           cmdline,        /* Command line. */
+           NULL,           /* Process handle not inheritable. */
+           NULL,           /* Thread handle not inheritable. */
+           TRUE,           /* yes, inherit handles. */
+           DETACHED_PROCESS, /* No console for you. */
+           NULL,           /* Use parent's environment block. */
+           NULL,           /* Use parent's starting directory. */
+           &si,            /* Pointer to STARTUPINFO structure. */
+           &pi);           /* Pointer to PROCESS_INFORMATION structure. */
+
+    if (!ok) {
+       DWORD err = GetLastError();
+       int chars = wsprintf(msg, "Tried to launch: \"%s\", but got error [%u]: ", cmdline, err);
+
+       FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS |
+               FORMAT_MESSAGE_MAX_WIDTH_MASK, 0L, err, 0, (LPVOID) &msg[chars],
+               (300-chars), 0);
+       WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, strlen(msg), &err, NULL);
+       return 2;
+    }
+
+    /* close our references to the write handles that have now been inherited. */
+    CloseHandle(si.hStdOutput);
+    CloseHandle(si.hStdError);
+
+    WaitForInputIdle(pi.hProcess, 5000);
+    CloseHandle(pi.hThread);
+
+    /* start the pipe reader threads. */
+    pipeThreads[0] = CreateThread(NULL, 0, ReadFromPipe, &Out, 0, &threadID);
+    pipeThreads[1] = CreateThread(NULL, 0, ReadFromPipe, &Err, 0, &threadID);
+
+    /* block waiting for the process to end. */
+    WaitForSingleObject(pi.hProcess, INFINITE);
+    CloseHandle(pi.hProcess);
+
+    /* wait for our pipe to get done reading, should it be a little slow. */
+    WaitForMultipleObjects(2, pipeThreads, TRUE, 500);
+    CloseHandle(pipeThreads[0]);
+    CloseHandle(pipeThreads[1]);
+
+    /* look for the commandline warning code in the stderr stream. */
+    return !(strstr(Out.buffer, "LNK1117") != NULL || strstr(Err.buffer, "LNK1117") != NULL);
+}
+
+DWORD WINAPI
+ReadFromPipe (LPVOID args)
+{
+    pipeinfo *pi = (pipeinfo *) args;
+    char *lastBuf = pi->buffer;
+    DWORD dwRead;
+    BOOL ok;
+
+again:
+    if (lastBuf - pi->buffer + CHUNK > STATICBUFFERSIZE) {
+       CloseHandle(pi->pipe);
+       return -1;
+    }
+    ok = ReadFile(pi->pipe, lastBuf, CHUNK, &dwRead, 0L);
+    if (!ok || dwRead == 0) {
+       CloseHandle(pi->pipe);
+       return 0;
+    }
+    lastBuf += dwRead;
+    goto again;
+
+    return 0;  /* makes the compiler happy */
+}
+
+int
+IsIn (const char *string, const char *substring)
+{
+    return (strstr(string, substring) != NULL);
+}
+
+/*
+ *  Find a specified #define by name.
+ *
+ *  If the line is '#define TCL_VERSION "8.5"', it returns
+ *  85 as the result.
+ */
+
+int
+GrepForDefine (const char *file, const char *string)
+{
+    FILE *f;
+    char s1[51], s2[51], s3[51];
+    int r = 0;
+    double d1;
+
+    f = fopen(file, "rt");
+    if (f == NULL) {
+       return 0;
+    }
+
+    do {
+       r = fscanf(f, "%50s", s1);
+       if (r == 1 && !strcmp(s1, "#define")) {
+           /* get next two words */
+           r = fscanf(f, "%50s %50s", s2, s3);
+           if (r != 2) continue;
+           /* is the first word what we're looking for? */
+           if (!strcmp(s2, string)) {
+               fclose(f);
+               /* add 1 past first double quote char. "8.5" */
+               d1 = atof(s3 + 1);                /*    8.5  */
+               while (floor(d1) != d1) {
+                   d1 *= 10.0;
+               }
+               return ((int) d1);                /*    85   */
+           }
+       }
+    } while (!feof(f));
+
+    fclose(f);
+    return 0;
+}
diff --git a/itcl/itk/win/toaster.bmp b/itcl/itk/win/toaster.bmp
new file mode 100644 (file)
index 0000000..5ea80e6
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