diff --git a/lib/tcl.m4 b/lib/tcl.m4
index 2ec82a29..a7d51c82 100644
--- a/lib/tcl.m4
+++ b/lib/tcl.m4
@@ -9,7 +9,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 
-AC_PREREQ(2.57)
+AC_PREREQ([2.69])
 
 # Possible values for key variables defined:
 #
@@ -50,9 +50,9 @@ AC_DEFUN([TEA_PATH_TCLCONFIG], [
 	# we reset no_tcl in case something fails here
 	no_tcl=true
 	AC_ARG_WITH(tcl,
-	    AC_HELP_STRING([--with-tcl],
+	    AS_HELP_STRING([--with-tcl],
 		[directory containing tcl configuration (tclConfig.sh)]),
-	    with_tclconfig="${withval}")
+	    [with_tclconfig="${withval}"])
 	AC_MSG_CHECKING([for Tcl configuration])
 	AC_CACHE_VAL(ac_cv_c_tclconfig,[
 
@@ -104,7 +104,6 @@ AC_DEFUN([TEA_PATH_TCLCONFIG], [
 		for i in `ls -d ~/Library/Frameworks 2>/dev/null` \
 			`ls -d /Library/Frameworks 2>/dev/null` \
 			`ls -d /Network/Library/Frameworks 2>/dev/null` \
-			`ls -d /System/Library/Frameworks 2>/dev/null` \
 			`ls -d /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/Library/Frameworks/Tcl.framework 2>/dev/null` \
 			`ls -d /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/Network/Library/Frameworks/Tcl.framework 2>/dev/null` \
 			`ls -d /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Tcl.framework 2>/dev/null` \
@@ -213,9 +212,9 @@ AC_DEFUN([TEA_PATH_TKCONFIG], [
 	# we reset no_tk in case something fails here
 	no_tk=true
 	AC_ARG_WITH(tk,
-	    AC_HELP_STRING([--with-tk],
+	    AS_HELP_STRING([--with-tk],
 		[directory containing tk configuration (tkConfig.sh)]),
-	    with_tkconfig="${withval}")
+	    [with_tkconfig="${withval}"])
 	AC_MSG_CHECKING([for Tk configuration])
 	AC_CACHE_VAL(ac_cv_c_tkconfig,[
 
@@ -267,10 +266,6 @@ AC_DEFUN([TEA_PATH_TKCONFIG], [
 		for i in `ls -d ~/Library/Frameworks 2>/dev/null` \
 			`ls -d /Library/Frameworks 2>/dev/null` \
 			`ls -d /Network/Library/Frameworks 2>/dev/null` \
-			`ls -d /System/Library/Frameworks 2>/dev/null` \
-			`ls -d /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/Library/Frameworks/Tcl.framework 2>/dev/null` \
-			`ls -d /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/Network/Library/Frameworks/Tcl.framework 2>/dev/null` \
-			`ls -d /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Tcl.framework 2>/dev/null` \
 			; do
 		    if test -f "$i/Tk.framework/tkConfig.sh" ; then
 			ac_cv_c_tkconfig="`(cd $i/Tk.framework; pwd)`"
@@ -287,10 +282,10 @@ AC_DEFUN([TEA_PATH_TKCONFIG], [
 			`ls -d /usr/local/lib 2>/dev/null` \
 			`ls -d /usr/contrib/lib 2>/dev/null` \
 			`ls -d /usr/pkg/lib 2>/dev/null` \
-			`ls -d /usr/lib 2>/dev/null` \
-			`ls -d /usr/lib64 2>/dev/null` \
 			`ls -d /usr/lib/tk8.6 2>/dev/null` \
 			`ls -d /usr/lib/tk8.5 2>/dev/null` \
+			`ls -d /usr/lib 2>/dev/null` \
+			`ls -d /usr/lib64 2>/dev/null` \
 			`ls -d /usr/local/lib/tk8.6 2>/dev/null` \
 			`ls -d /usr/local/lib/tk8.5 2>/dev/null` \
 			`ls -d /usr/local/lib/tcl/tk8.6 2>/dev/null` \
@@ -377,10 +372,6 @@ AC_DEFUN([TEA_LOAD_TCLCONFIG], [
         AC_MSG_RESULT([could not find ${TCL_BIN_DIR}/tclConfig.sh])
     fi
 
-    # eval is required to do the TCL_DBGX substitution
-    eval "TCL_LIB_FILE=\"${TCL_LIB_FILE}\""
-    eval "TCL_STUB_LIB_FILE=\"${TCL_STUB_LIB_FILE}\""
-
     # 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
@@ -414,12 +405,6 @@ AC_DEFUN([TEA_LOAD_TCLCONFIG], [
 	esac
     fi
 
-    # eval is required to do the TCL_DBGX substitution
-    eval "TCL_LIB_FLAG=\"${TCL_LIB_FLAG}\""
-    eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""
-    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_PATCH_LEVEL)
     AC_SUBST(TCL_BIN_DIR)
@@ -435,17 +420,18 @@ AC_DEFUN([TEA_LOAD_TCLCONFIG], [
 
     AC_MSG_CHECKING([platform])
     hold_cc=$CC; CC="$TCL_CC"
-    AC_TRY_COMPILE(,[
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
 	    #ifdef _WIN32
 		#error win32
 	    #endif
-	], [
-	    TEA_PLATFORM="unix"
+	]])],[
+	    # first test we've already retrieved platform (cross-compile), fallback to unix otherwise:
+	    TEA_PLATFORM="${TEA_PLATFORM-unix}"
 	    CYGPATH=echo
-	], [
+	],[
 	    TEA_PLATFORM="windows"
-	    AC_CHECK_PROG(CYGPATH, cygpath, cygpath -m, echo)	]
-    )
+	    AC_CHECK_PROG(CYGPATH, cygpath, cygpath -m, echo)
+    ])
     CC=$hold_cc
     AC_MSG_RESULT($TEA_PLATFORM)
 
@@ -494,10 +480,6 @@ AC_DEFUN([TEA_LOAD_TKCONFIG], [
         AC_MSG_RESULT([could not find ${TK_BIN_DIR}/tkConfig.sh])
     fi
 
-    # eval is required to do the TK_DBGX substitution
-    eval "TK_LIB_FILE=\"${TK_LIB_FILE}\""
-    eval "TK_STUB_LIB_FILE=\"${TK_STUB_LIB_FILE}\""
-
     # 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
@@ -531,12 +513,6 @@ AC_DEFUN([TEA_LOAD_TKCONFIG], [
 	esac
     fi
 
-    # eval is required to do the TK_DBGX substitution
-    eval "TK_LIB_FLAG=\"${TK_LIB_FLAG}\""
-    eval "TK_LIB_SPEC=\"${TK_LIB_SPEC}\""
-    eval "TK_STUB_LIB_FLAG=\"${TK_STUB_LIB_FLAG}\""
-    eval "TK_STUB_LIB_SPEC=\"${TK_STUB_LIB_SPEC}\""
-
     # TEA specific: Ensure windowingsystem is defined
     if test "${TEA_PLATFORM}" = "unix" ; then
 	case ${TK_DEFS} in
@@ -593,14 +569,14 @@ AC_DEFUN([TEA_PROG_TCLSH], [
     if test -f "${TCL_BIN_DIR}/Makefile" ; then
         # tclConfig.sh is in Tcl build directory
         if test "${TEA_PLATFORM}" = "windows"; then
-          if test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}${EXEEXT}" ; then
-            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}${EXEEXT}"
-          elif test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}s${EXEEXT}" ; then
-            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}s${EXEEXT}"
-          elif test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}t${EXEEXT}" ; then
-            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}t${EXEEXT}"
-          elif test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}st${EXEEXT}" ; then
-            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}st${EXEEXT}"
+          if test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${EXEEXT}" ; then
+            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${EXEEXT}"
+          elif test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}s${EXEEXT}" ; then
+            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}s${EXEEXT}"
+          elif test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}t${EXEEXT}" ; then
+            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}t${EXEEXT}"
+          elif test -f "${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}st${EXEEXT}" ; then
+            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}st${EXEEXT}"
           fi
         else
             TCLSH_PROG="${TCL_BIN_DIR}/tclsh"
@@ -608,9 +584,9 @@ AC_DEFUN([TEA_PROG_TCLSH], [
     else
         # tclConfig.sh is in install location
         if test "${TEA_PLATFORM}" = "windows"; then
-            TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}${EXEEXT}"
+            TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${EXEEXT}"
         else
-            TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}.${TCL_MINOR_VERSION}${TCL_DBGX}"
+            TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}.${TCL_MINOR_VERSION}"
         fi
         list="`ls -d ${TCL_BIN_DIR}/../bin 2>/dev/null` \
               `ls -d ${TCL_BIN_DIR}/..     2>/dev/null` \
@@ -651,14 +627,14 @@ AC_DEFUN([TEA_PROG_WISH], [
     if test -f "${TK_BIN_DIR}/Makefile" ; then
         # tkConfig.sh is in Tk build directory
         if test "${TEA_PLATFORM}" = "windows"; then
-          if test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}${EXEEXT}" ; then
-            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}${EXEEXT}"
-          elif test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}s${EXEEXT}" ; then
-            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}$s{EXEEXT}"
-          elif test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}t${EXEEXT}" ; then
-            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}t${EXEEXT}"
-          elif test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}st${EXEEXT}" ; then
-            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}st${EXEEXT}"
+          if test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${EXEEXT}" ; then
+            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${EXEEXT}"
+          elif test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}s${EXEEXT}" ; then
+            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}$s{EXEEXT}"
+          elif test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}t${EXEEXT}" ; then
+            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}t${EXEEXT}"
+          elif test -f "${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}st${EXEEXT}" ; then
+            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}st${EXEEXT}"
           fi
         else
             WISH_PROG="${TK_BIN_DIR}/wish"
@@ -666,9 +642,9 @@ AC_DEFUN([TEA_PROG_WISH], [
     else
         # tkConfig.sh is in install location
         if test "${TEA_PLATFORM}" = "windows"; then
-            WISH_PROG="wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}${EXEEXT}"
+            WISH_PROG="wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${EXEEXT}"
         else
-            WISH_PROG="wish${TK_MAJOR_VERSION}.${TK_MINOR_VERSION}${TK_DBGX}"
+            WISH_PROG="wish${TK_MAJOR_VERSION}.${TK_MINOR_VERSION}"
         fi
         list="`ls -d ${TK_BIN_DIR}/../bin 2>/dev/null` \
               `ls -d ${TK_BIN_DIR}/..     2>/dev/null` \
@@ -714,7 +690,7 @@ AC_DEFUN([TEA_PROG_WISH], [
 AC_DEFUN([TEA_ENABLE_SHARED], [
     AC_MSG_CHECKING([how to build libraries])
     AC_ARG_ENABLE(shared,
-	AC_HELP_STRING([--enable-shared],
+	AS_HELP_STRING([--enable-shared],
 	    [build and link with shared libraries (default: on)]),
 	[shared_ok=$enableval], [shared_ok=yes])
 
@@ -726,7 +702,7 @@ AC_DEFUN([TEA_ENABLE_SHARED], [
     fi
 
     AC_ARG_ENABLE(stubs,
-	AC_HELP_STRING([--enable-stubs],
+	AS_HELP_STRING([--enable-stubs],
 	    [build and link with stub libraries. Always true for shared builds (default: on)]),
 	[stubs_ok=$enableval], [stubs_ok=yes])
 
@@ -798,7 +774,7 @@ AC_DEFUN([TEA_ENABLE_SHARED], [
 
 AC_DEFUN([TEA_ENABLE_THREADS], [
     AC_ARG_ENABLE(threads,
-	AC_HELP_STRING([--enable-threads],
+	AS_HELP_STRING([--enable-threads],
 	    [build with threads (default: on)]),
 	[tcl_ok=$enableval], [tcl_ok=yes])
 
@@ -883,14 +859,6 @@ AC_DEFUN([TEA_ENABLE_THREADS], [
     that IS thread-enabled.  It is recommended to use --enable-threads.])
 	    fi
 	    ;;
-	*)
-	    if test "${TCL_THREADS}" = "1"; then
-		AC_MSG_WARN([
-    --enable-threads requested, but building against a Tcl that is NOT
-    thread-enabled.  This is an OK configuration that will also run in
-    a thread-enabled core.])
-	    fi
-	    ;;
     esac
     AC_SUBST(TCL_THREADS)
 ])
@@ -920,8 +888,6 @@ AC_DEFUN([TEA_ENABLE_THREADS], [
 #				Sets to "$(CFLAGS_OPTIMIZE) -DNDEBUG" 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], [
@@ -929,10 +895,9 @@ AC_DEFUN([TEA_ENABLE_SYMBOLS], [
     AC_REQUIRE([TEA_CONFIG_CFLAGS])
     AC_MSG_CHECKING([for build with symbols])
     AC_ARG_ENABLE(symbols,
-	AC_HELP_STRING([--enable-symbols],
+	AS_HELP_STRING([--enable-symbols],
 	    [build with debugging symbols (default: off)]),
 	[tcl_ok=$enableval], [tcl_ok=no])
-    DBGX=""
     if test "$tcl_ok" = "no"; then
 	CFLAGS_DEFAULT="${CFLAGS_OPTIMIZE} -DNDEBUG"
 	LDFLAGS_DEFAULT="${LDFLAGS_OPTIMIZE}"
@@ -944,13 +909,8 @@ AC_DEFUN([TEA_ENABLE_SYMBOLS], [
 	    AC_MSG_RESULT([yes (standard debugging)])
 	fi
     fi
-    # TEA specific:
-    if test "${TEA_PLATFORM}" != "windows" ; then
-	LDFLAGS_DEFAULT="${LDFLAGS}"
-    fi
     AC_SUBST(CFLAGS_DEFAULT)
     AC_SUBST(LDFLAGS_DEFAULT)
-    AC_SUBST(TCL_DBGX)
 
     if test "$tcl_ok" = "mem" -o "$tcl_ok" = "all"; then
 	AC_DEFINE(TCL_MEM_DEBUG, 1, [Is memory debugging enabled?])
@@ -985,7 +945,7 @@ AC_DEFUN([TEA_ENABLE_SYMBOLS], [
 
 AC_DEFUN([TEA_ENABLE_LANGINFO], [
     AC_ARG_ENABLE(langinfo,
-	AC_HELP_STRING([--enable-langinfo],
+	AS_HELP_STRING([--enable-langinfo],
 	    [use nl_langinfo if possible to determine encoding at startup, otherwise use old heuristic (default: on)]),
 	[langinfo_ok=$enableval], [langinfo_ok=yes])
 
@@ -996,7 +956,7 @@ AC_DEFUN([TEA_ENABLE_LANGINFO], [
     AC_MSG_CHECKING([whether to use nl_langinfo])
     if test "$langinfo_ok" = "yes"; then
 	AC_CACHE_VAL(tcl_cv_langinfo_h, [
-	    AC_TRY_COMPILE([#include <langinfo.h>], [nl_langinfo(CODESET);],
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]], [[nl_langinfo(CODESET);]])],
 		    [tcl_cv_langinfo_h=yes],[tcl_cv_langinfo_h=no])])
 	AC_MSG_RESULT([$tcl_cv_langinfo_h])
 	if test $tcl_cv_langinfo_h = yes; then
@@ -1021,6 +981,7 @@ AC_DEFUN([TEA_ENABLE_LANGINFO], [
 #	Defines the following var:
 #
 #	system -	System/platform/version identification code.
+#
 #--------------------------------------------------------------------
 
 AC_DEFUN([TEA_CONFIG_SYSTEM], [
@@ -1037,6 +998,9 @@ AC_DEFUN([TEA_CONFIG_SYSTEM], [
 		if test "`uname -s`" = "AIX" ; then
 		    tcl_cv_sys_version=AIX-`uname -v`.`uname -r`
 		fi
+		if test "`uname -s`" = "NetBSD" -a -f /etc/debian_version ; then
+		    tcl_cv_sys_version=NetBSD-Debian
+		fi
 	    fi
 	fi
     ])
@@ -1113,7 +1077,7 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 
     AC_MSG_CHECKING([if 64bit support is requested])
     AC_ARG_ENABLE(64bit,
-	AC_HELP_STRING([--enable-64bit],
+	AS_HELP_STRING([--enable-64bit],
 	    [enable 64bit support (default: off)]),
 	[do64bit=$enableval], [do64bit=no])
     AC_MSG_RESULT([$do64bit])
@@ -1122,7 +1086,7 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 
     AC_MSG_CHECKING([if 64bit Sparc VIS support is requested])
     AC_ARG_ENABLE(64bit-vis,
-	AC_HELP_STRING([--enable-64bit-vis],
+	AS_HELP_STRING([--enable-64bit-vis],
 	    [enable 64bit Sparc VIS support (default: off)]),
 	[do64bitVIS=$enableval], [do64bitVIS=no])
     AC_MSG_RESULT([$do64bitVIS])
@@ -1135,10 +1099,10 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
     AC_CACHE_CHECK([if compiler supports visibility "hidden"],
 	tcl_cv_cc_visibility_hidden, [
 	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
-	AC_TRY_LINK([
+	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 	    extern __attribute__((__visibility__("hidden"))) void f(void);
-	    void f(void) {}], [f();], tcl_cv_cc_visibility_hidden=yes,
-	    tcl_cv_cc_visibility_hidden=no)
+	    void f(void) {}]], [[f();]])],[tcl_cv_cc_visibility_hidden=yes],
+	    [tcl_cv_cc_visibility_hidden=no])
 	CFLAGS=$hold_cflags])
     AS_IF([test $tcl_cv_cc_visibility_hidden = yes], [
 	AC_DEFINE(MODULE_SCOPE,
@@ -1151,22 +1115,11 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 
     AC_MSG_CHECKING([if rpath support is requested])
     AC_ARG_ENABLE(rpath,
-	AC_HELP_STRING([--disable-rpath],
+	AS_HELP_STRING([--disable-rpath],
 	    [disable rpath support (default: on)]),
 	[doRpath=$enableval], [doRpath=yes])
     AC_MSG_RESULT([$doRpath])
 
-    # TEA specific: Cross-compiling options for Windows/CE builds?
-
-    AS_IF([test "${TEA_PLATFORM}" = windows], [
-	AC_MSG_CHECKING([if Windows/CE build is requested])
-	AC_ARG_ENABLE(wince,
-	    AC_HELP_STRING([--enable-wince],
-		[enable Win/CE support (where applicable)]),
-	    [doWince=$enableval], [doWince=no])
-	AC_MSG_RESULT([$doWince])
-    ])
-
     # Set the variable "system" to hold the name and version number
     # for the system.
 
@@ -1207,95 +1160,16 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
     case $system in
 	# TEA specific:
 	windows)
-	    # This is a 2-stage check to make sure we have the 64-bit SDK
-	    # We have to know where the SDK is installed.
-	    # This magic is based on MS Platform SDK for Win2003 SP1 - hobbs
-	    # MACHINE is IX86 for LINK, but this is used by the manifest,
-	    # which requires x86|amd64|ia64.
 	    MACHINE="X86"
 	    if test "$do64bit" != "no" ; then
-		if test "x${MSSDK}x" = "xx" ; then
-		    MSSDK="C:/Progra~1/Microsoft Platform SDK"
-		fi
-		MSSDK=`echo "$MSSDK" | sed -e  's!\\\!/!g'`
-		PATH64=""
 		case "$do64bit" in
 		    amd64|x64|yes)
 			MACHINE="AMD64" ; # default to AMD64 64-bit build
-			PATH64="${MSSDK}/Bin/Win64/x86/AMD64"
 			;;
 		    ia64)
 			MACHINE="IA64"
-			PATH64="${MSSDK}/Bin/Win64"
 			;;
 		esac
-		if test "$GCC" != "yes" -a ! -d "${PATH64}" ; then
-		    AC_MSG_WARN([Could not find 64-bit $MACHINE SDK to enable 64bit mode])
-		    AC_MSG_WARN([Ensure latest Platform SDK is installed])
-		    do64bit="no"
-		else
-		    AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
-		    do64bit_ok="yes"
-		fi
-	    fi
-
-	    if test "$doWince" != "no" ; then
-		if test "$do64bit" != "no" ; then
-		    AC_MSG_ERROR([Windows/CE and 64-bit builds incompatible])
-		fi
-		if test "$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 "${SDKROOT}" ; then
-			SDKROOT="C:/Windows CE Tools"
-		    fi
-		fi
-		WCEROOT=`echo "$WCEROOT" | sed -e 's!\\\!/!g'`
-		SDKROOT=`echo "$SDKROOT" | sed -e 's!\\\!/!g'`
-		if test ! -d "${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
@@ -1314,43 +1188,15 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	        esac
 
                 if test "$do64bit" != "no" ; then
-		    # All this magic is necessary for the Win64 SDK RC1 - hobbs
-		    CC="\"${PATH64}/cl.exe\""
-		    CFLAGS="${CFLAGS} -I\"${MSSDK}/Include\" -I\"${MSSDK}/Include/crt\" -I\"${MSSDK}/Include/crt/sys\""
-		    RC="\"${MSSDK}/bin/rc.exe\""
-		    lflags="${lflags} -nologo -MACHINE:${MACHINE} -LIBPATH:\"${MSSDK}/Lib/${MACHINE}\""
-		    LINKBIN="\"${PATH64}/link.exe\""
+		    CC="cl.exe"
+		    RC="rc.exe"
+		    lflags="${lflags} -nologo -MACHINE:${MACHINE} "
+		    LINKBIN="link.exe"
 		    CFLAGS_DEBUG="-nologo -Zi -Od -W3 ${runtime}d"
 		    CFLAGS_OPTIMIZE="-nologo -O2 -W2 ${runtime}"
 		    # Avoid 'unresolved external symbol __security_cookie'
 		    # errors, c.f. http://support.microsoft.com/?id=894573
 		    TEA_ADD_LIBS([bufferoverflowU.lib])
-		elif test "$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, 1, [WinCE def ]$i)
-		    done
-		    AC_DEFINE_UNQUOTED(_WIN32_WCE, $CEVERSION, [_WIN32_WCE version])
-		    AC_DEFINE_UNQUOTED(UNDER_CE, $CEVERSION, [UNDER_CE version])
-		    CFLAGS_DEBUG="-nologo -Zi -Od"
-		    CFLAGS_OPTIMIZE="-nologo -Ox"
-		    lversion=`echo ${CEVERSION} | sed -e 's/\(.\)\(..\)/\1\.\2/'`
-		    lflags="${lflags} -MACHINE:${ARCH} -LIBPATH:\"${CELIBPATH}\" -subsystem:windowsce,${lversion} -nologo"
-		    LINKBIN="\"${CEBINROOT}/link.exe\""
-		    AC_SUBST(CELIB_DIR)
 		else
 		    RC="rc"
 		    lflags="${lflags} -nologo"
@@ -1372,25 +1218,25 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 
 		AC_CACHE_CHECK(for cross-compile version of gcc,
 			ac_cv_cross,
-			AC_TRY_COMPILE([
+			AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 			    #ifdef _WIN32
 				#error cross-compiler
 			    #endif
-			], [],
-			ac_cv_cross=yes,
-			ac_cv_cross=no)
+			]], [[]])],
+			[ac_cv_cross=yes],
+			[ac_cv_cross=no])
 		      )
 		      if test "$ac_cv_cross" = "yes"; then
 			case "$do64bit" in
 			    amd64|x64|yes)
-				CC="x86_64-w64-mingw32-gcc"
+				CC="x86_64-w64-mingw32-${CC}"
 				LD="x86_64-w64-mingw32-ld"
 				AR="x86_64-w64-mingw32-ar"
 				RANLIB="x86_64-w64-mingw32-ranlib"
 				RC="x86_64-w64-mingw32-windres"
 			    ;;
 			    *)
-				CC="i686-w64-mingw32-gcc"
+				CC="i686-w64-mingw32-${CC}"
 				LD="i686-w64-mingw32-ld"
 				AR="i686-w64-mingw32-ar"
 				RANLIB="i686-w64-mingw32-ranlib"
@@ -1412,13 +1258,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 		# This essentially turns it all on.
 		LDFLAGS_DEBUG="-debug -debugtype:cv"
 		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
+		LDFLAGS_CONSOLE="-link -subsystem:console ${lflags}"
+		LDFLAGS_WINDOW="-link -subsystem:windows ${lflags}"
 	    fi
 
 	    SHLIB_SUFFIX=".dll"
@@ -1427,7 +1268,7 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    TCL_LIB_VERSIONS_OK=nodots
     	    ;;
 	AIX-*)
-	    AS_IF([test "${TCL_THREADS}" = "1" -a "$GCC" != "yes"], [
+	    AS_IF([test "$GCC" != "yes"], [
 		# AIX requires the _r compiler when gcc isn't being used
 		case "${CC}" in
 		    *_r|*_r\ *)
@@ -1464,11 +1305,11 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 		# AIX-5 uses ELF style dynamic libraries on IA-64, but not PPC
 		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
 		AS_IF([test "$GCC" = yes], [
-		    CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
+		    CC_SEARCH_FLAGS='"-Wl,-R,${LIB_RUNTIME_DIR}"'
 		], [
-		    CC_SEARCH_FLAGS='-R${LIB_RUNTIME_DIR}'
+		    CC_SEARCH_FLAGS='"-R${LIB_RUNTIME_DIR}"'
 		])
-		LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
+		LD_SEARCH_FLAGS='-R "${LIB_RUNTIME_DIR}"'
 	    ], [
 		AS_IF([test "$GCC" = yes], [
 		    SHLIB_LD='${CC} -shared -Wl,-bexpall'
@@ -1477,7 +1318,7 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 		    LDFLAGS="$LDFLAGS -brtl"
 		])
 		SHLIB_LD="${SHLIB_LD} ${SHLIB_LD_FLAGS}"
-		CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
+		CC_SEARCH_FLAGS='"-L${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 	    ])
 	    ;;
@@ -1493,6 +1334,13 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    #-----------------------------------------------------------
 	    AC_CHECK_LIB(bind, inet_ntoa, [LIBS="$LIBS -lbind -lsocket"])
 	    ;;
+	BSD/OS-2.1*|BSD/OS-3*)
+	    SHLIB_CFLAGS=""
+	    SHLIB_LD="shlicc -r"
+	    SHLIB_SUFFIX=".so"
+	    CC_SEARCH_FLAGS=""
+	    LD_SEARCH_FLAGS=""
+	    ;;
 	BSD/OS-4.*)
 	    SHLIB_CFLAGS="-export-dynamic -fPIC"
 	    SHLIB_LD='${CC} -shared'
@@ -1504,13 +1352,21 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	CYGWIN_*)
 	    SHLIB_CFLAGS=""
 	    SHLIB_LD='${CC} -shared'
-	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,--out-implib,\$[@].a"
 	    SHLIB_SUFFIX=".dll"
+	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,--out-implib,\$[@].a"
 	    EXEEXT=".exe"
 	    do64bit_ok=yes
 	    CC_SEARCH_FLAGS=""
 	    LD_SEARCH_FLAGS=""
 	    ;;
+	dgux*)
+	    SHLIB_CFLAGS="-K PIC"
+	    SHLIB_LD='${CC} -G'
+	    SHLIB_LD_LIBS=""
+	    SHLIB_SUFFIX=".so"
+	    CC_SEARCH_FLAGS=""
+	    LD_SEARCH_FLAGS=""
+	    ;;
 	Haiku*)
 	    LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
 	    SHLIB_CFLAGS="-fPIC"
@@ -1527,18 +1383,16 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 
 	    AS_IF([test "`uname -m`" = ia64], [
 		SHLIB_SUFFIX=".so"
-		# Use newer C++ library for C++ extensions
-		#if test "$GCC" != "yes" ; then
-		#   CPPFLAGS="-AA"
-		#fi
 	    ], [
 		SHLIB_SUFFIX=".sl"
 	    ])
 	    AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
 	    AS_IF([test "$tcl_ok" = yes], [
+		SHLIB_CFLAGS="+z"
+		SHLIB_LD="ld -b"
 		LDFLAGS="$LDFLAGS -Wl,-E"
-		CC_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
-		LD_SEARCH_FLAGS='+s +b ${LIB_RUNTIME_DIR}:.'
+		CC_SEARCH_FLAGS='"-Wl,+s,+b,${LIB_RUNTIME_DIR}:."'
+		LD_SEARCH_FLAGS='+s +b "${LIB_RUNTIME_DIR}:."'
 		LD_LIBRARY_PATH_VAR="SHLIB_PATH"
 	    ])
 	    AS_IF([test "$GCC" = yes], [
@@ -1546,10 +1400,6 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 	    ], [
 		CFLAGS="$CFLAGS -z"
-		# Users may want PA-RISC 1.1/2.0 portable code - needs HP cc
-		#CFLAGS="$CFLAGS +DAportable"
-		SHLIB_CFLAGS="+z"
-		SHLIB_LD="ld -b"
 	    ])
 
 	    # Check to enable 64-bit flags for compiler/linker
@@ -1561,7 +1411,7 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 			    do64bit_ok=yes
 			    SHLIB_LD='${CC} -shared'
 			    AS_IF([test $doRpath = yes], [
-				CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
+				CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'])
 			    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 			    ;;
 			*)
@@ -1574,13 +1424,34 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 		    LDFLAGS_ARCH="+DD64"
 		])
 	    ]) ;;
+	HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
+	    SHLIB_SUFFIX=".sl"
+	    AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
+	    AS_IF([test "$tcl_ok" = yes], [
+		SHLIB_CFLAGS="+z"
+		SHLIB_LD="ld -b"
+		SHLIB_LD_LIBS=""
+		LDFLAGS="$LDFLAGS -Wl,-E"
+		CC_SEARCH_FLAGS='"-Wl,+s,+b,${LIB_RUNTIME_DIR}:."'
+		LD_SEARCH_FLAGS='+s +b "${LIB_RUNTIME_DIR}:."'
+		LD_LIBRARY_PATH_VAR="SHLIB_PATH"
+	    ]) ;;
+	IRIX-5.*)
+	    SHLIB_CFLAGS=""
+	    SHLIB_LD="ld -shared -rdata_shared"
+	    SHLIB_SUFFIX=".so"
+	    AC_LIBOBJ(mkstemp)
+	    AS_IF([test $doRpath = yes], [
+		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
+		LD_SEARCH_FLAGS='-rpath "${LIB_RUNTIME_DIR}"'])
+	    ;;
 	IRIX-6.*)
 	    SHLIB_CFLAGS=""
 	    SHLIB_LD="ld -n32 -shared -rdata_shared"
 	    SHLIB_SUFFIX=".so"
 	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'])
+		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
+		LD_SEARCH_FLAGS='-rpath "${LIB_RUNTIME_DIR}"'])
 	    AS_IF([test "$GCC" = yes], [
 		CFLAGS="$CFLAGS -mabi=n32"
 		LDFLAGS="$LDFLAGS -mabi=n32"
@@ -1602,8 +1473,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    SHLIB_LD="ld -n32 -shared -rdata_shared"
 	    SHLIB_SUFFIX=".so"
 	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'])
+		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
+		LD_SEARCH_FLAGS='-rpath "${LIB_RUNTIME_DIR}"'])
 
 	    # Check to enable 64-bit flags for compiler/linker
 
@@ -1618,7 +1489,7 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	        ])
 	    ])
 	    ;;
-	Linux*|GNU*|NetBSD-Debian)
+	Linux*|GNU*|NetBSD-Debian|DragonFly-*|FreeBSD-*)
 	    SHLIB_CFLAGS="-fPIC"
 	    SHLIB_SUFFIX=".so"
 
@@ -1628,15 +1499,27 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    # TEA specific: use LDFLAGS_DEFAULT instead of LDFLAGS
 	    SHLIB_LD='${CC} ${CFLAGS} ${LDFLAGS_DEFAULT} -shared'
 	    LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
+
+	    case $system in
+	    DragonFly-*|FreeBSD-*)
+		AS_IF([test "${TCL_THREADS}" = "1"], [
+		    # The -pthread needs to go in the LDFLAGS, not LIBS
+		    LIBS=`echo $LIBS | sed s/-pthread//`
+		    CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+		    LDFLAGS="$LDFLAGS $PTHREAD_LIBS"])
+	    ;;
+            esac
+
 	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
+		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'])
 	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 	    AS_IF([test "`uname -m`" = "alpha"], [CFLAGS="$CFLAGS -mieee"])
 	    AS_IF([test $do64bit = yes], [
 		AC_CACHE_CHECK([if compiler accepts -m64 flag], tcl_cv_cc_m64, [
 		    hold_cflags=$CFLAGS
 		    CFLAGS="$CFLAGS -m64"
-		    AC_TRY_LINK(,, tcl_cv_cc_m64=yes, tcl_cv_cc_m64=no)
+		    AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+			    [tcl_cv_cc_m64=yes],[tcl_cv_cc_m64=no])
 		    CFLAGS=$hold_cflags])
 		AS_IF([test $tcl_cv_cc_m64 = yes], [
 		    CFLAGS="$CFLAGS -m64"
@@ -1659,8 +1542,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    SHLIB_LD='${CC} -shared'
 	    LD_FLAGS="-Wl,--export-dynamic"
 	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-		LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
+		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
+		LD_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'])
 	    ;;
 	OpenBSD-*)
 	    arch=`arch -s`
@@ -1675,17 +1558,15 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    SHLIB_LD='${CC} ${SHLIB_CFLAGS} -shared'
 	    SHLIB_SUFFIX=".so"
 	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
+		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'])
 	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so${SHLIB_VERSION}'
-	    LDFLAGS="-Wl,-export-dynamic"
+	    LDFLAGS="$LDFLAGS -Wl,-export-dynamic"
 	    CFLAGS_OPTIMIZE="-O2"
-	    AS_IF([test "${TCL_THREADS}" = "1"], [
-		# On OpenBSD:	Compile with -pthread
-		#		Don't link with -lpthread
-		LIBS=`echo $LIBS | sed s/-lpthread//`
-		CFLAGS="$CFLAGS -pthread"
-	    ])
+	    # On OpenBSD:	Compile with -pthread
+	    #		Don't link with -lpthread
+	    LIBS=`echo $LIBS | sed s/-lpthread//`
+	    CFLAGS="$CFLAGS -pthread"
 	    # OpenBSD doesn't do version numbers with dots.
 	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
 	    TCL_LIB_VERSIONS_OK=nodots
@@ -1697,39 +1578,12 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    SHLIB_SUFFIX=".so"
 	    LDFLAGS="$LDFLAGS -export-dynamic"
 	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
+		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'])
 	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
-	    AS_IF([test "${TCL_THREADS}" = "1"], [
-		# The -pthread needs to go in the CFLAGS, not LIBS
-		LIBS=`echo $LIBS | sed s/-pthread//`
-		CFLAGS="$CFLAGS -pthread"
-	    	LDFLAGS="$LDFLAGS -pthread"
-	    ])
-	    ;;
-	DragonFly-*|FreeBSD-*)
-	    # This configuration from FreeBSD Ports.
-	    SHLIB_CFLAGS="-fPIC"
-	    SHLIB_LD="${CC} -shared"
-	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,-soname,\$[@]"
-	    SHLIB_SUFFIX=".so"
-	    LDFLAGS=""
-	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-		LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
-	    AS_IF([test "${TCL_THREADS}" = "1"], [
-		# The -pthread needs to go in the LDFLAGS, not LIBS
-		LIBS=`echo $LIBS | sed s/-pthread//`
-		CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-		LDFLAGS="$LDFLAGS $PTHREAD_LIBS"])
-	    case $system in
-	    FreeBSD-3.*)
-		# Version numbers are dot-stripped by system policy.
-		TCL_TRIM_DOTS=`echo ${PACKAGE_VERSION} | tr -d .`
-		UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
-		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1'
-		TCL_LIB_VERSIONS_OK=nodots
-		;;
-	    esac
+	    # The -pthread needs to go in the CFLAGS, not LIBS
+	    LIBS=`echo $LIBS | sed s/-pthread//`
+	    CFLAGS="$CFLAGS -pthread"
+	    LDFLAGS="$LDFLAGS -pthread"
 	    ;;
 	Darwin-*)
 	    CFLAGS_OPTIMIZE="-Os"
@@ -1750,8 +1604,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 				tcl_cv_cc_arch_ppc64, [
 			    hold_cflags=$CFLAGS
 			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
-			    AC_TRY_LINK(,, tcl_cv_cc_arch_ppc64=yes,
-				    tcl_cv_cc_arch_ppc64=no)
+			    AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+				    [tcl_cv_cc_arch_ppc64=yes],[tcl_cv_cc_arch_ppc64=no])
 			    CFLAGS=$hold_cflags])
 			AS_IF([test $tcl_cv_cc_arch_ppc64 = yes], [
 			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
@@ -1762,8 +1616,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 				tcl_cv_cc_arch_x86_64, [
 			    hold_cflags=$CFLAGS
 			    CFLAGS="$CFLAGS -arch x86_64"
-			    AC_TRY_LINK(,, tcl_cv_cc_arch_x86_64=yes,
-				    tcl_cv_cc_arch_x86_64=no)
+			    AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+				    [tcl_cv_cc_arch_x86_64=yes],[tcl_cv_cc_arch_x86_64=no])
 			    CFLAGS=$hold_cflags])
 			AS_IF([test $tcl_cv_cc_arch_x86_64 = yes], [
 			    CFLAGS="$CFLAGS -arch x86_64"
@@ -1783,7 +1637,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    AC_CACHE_CHECK([if ld accepts -single_module flag], tcl_cv_ld_single_module, [
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -dynamiclib -Wl,-single_module"
-		AC_TRY_LINK(, [int i;], tcl_cv_ld_single_module=yes, tcl_cv_ld_single_module=no)
+		AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])],
+			[tcl_cv_ld_single_module=yes],[tcl_cv_ld_single_module=no])
 		LDFLAGS=$hold_ldflags])
 	    AS_IF([test $tcl_cv_ld_single_module = yes], [
 		SHLIB_LD="${SHLIB_LD} -Wl,-single_module"
@@ -1792,17 +1647,13 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    vers=`echo ${PACKAGE_VERSION} | sed -e 's/^\([[0-9]]\{1,5\}\)\(\(\.[[0-9]]\{1,3\}\)\{0,2\}\).*$/\1\2/p' -e d`
 	    SHLIB_LD="${SHLIB_LD} -current_version ${vers:-0} -compatibility_version ${vers:-0}"
 	    SHLIB_SUFFIX=".dylib"
-	    # Don't use -prebind when building for Mac OS X 10.4 or later only:
-	    AS_IF([test "`echo "${MACOSX_DEPLOYMENT_TARGET}" | awk -F '10\\.' '{print int([$]2)}'`" -lt 4 -a \
-		"`echo "${CPPFLAGS}" | awk -F '-mmacosx-version-min=10\\.' '{print int([$]2)}'`" -lt 4], [
-		LDFLAGS="$LDFLAGS -prebind"])
 	    LDFLAGS="$LDFLAGS -headerpad_max_install_names"
 	    AC_CACHE_CHECK([if ld accepts -search_paths_first flag],
 		    tcl_cv_ld_search_paths_first, [
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
-		AC_TRY_LINK(, [int i;], tcl_cv_ld_search_paths_first=yes,
-			tcl_cv_ld_search_paths_first=no)
+		AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])],
+			[tcl_cv_ld_search_paths_first=yes],[tcl_cv_ld_search_paths_first=no])
 		LDFLAGS=$hold_ldflags])
 	    AS_IF([test $tcl_cv_ld_search_paths_first = yes], [
 		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
@@ -1825,8 +1676,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 			done
 			CPPFLAGS="$CPPFLAGS -I/usr/X11R6/include"
 			LDFLAGS="$LDFLAGS -L/usr/X11R6/lib -lX11"
-			AC_TRY_LINK([#include <X11/Xlib.h>], [XrmInitialize();],
-			    tcl_cv_lib_x11_64=yes, tcl_cv_lib_x11_64=no)
+			AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]], [[XrmInitialize();]])],
+			    [tcl_cv_lib_x11_64=yes],[tcl_cv_lib_x11_64=no])
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    eval $v'="$hold_'$v'"'
 			done])
@@ -1838,8 +1689,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 			done
 			CPPFLAGS="$CPPFLAGS -DUSE_TCL_STUBS=1 -DUSE_TK_STUBS=1 ${TCL_INCLUDES} ${TK_INCLUDES}"
 			LDFLAGS="$LDFLAGS ${TCL_STUB_LIB_SPEC} ${TK_STUB_LIB_SPEC}"
-			AC_TRY_LINK([#include <tk.h>], [Tk_InitStubs(NULL, "", 0);],
-			    tcl_cv_lib_tk_64=yes, tcl_cv_lib_tk_64=no)
+			AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <tk.h>]], [[Tk_InitStubs(NULL, "", 0);]])],
+			    [tcl_cv_lib_tk_64=yes],[tcl_cv_lib_tk_64=no])
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    eval $v'="$hold_'$v'"'
 			done])
@@ -1868,21 +1719,19 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    ])
 	    SHLIB_SUFFIX=".so"
 	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
+		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'])
 	    AS_IF([test "$GCC" = yes], [CFLAGS="$CFLAGS -mieee"], [
 		CFLAGS="$CFLAGS -DHAVE_TZSET -std1 -ieee"])
 	    # see pthread_intro(3) for pthread support on osf1, k.furukawa
-	    AS_IF([test "${TCL_THREADS}" = 1], [
-		CFLAGS="$CFLAGS -DHAVE_PTHREAD_ATTR_SETSTACKSIZE"
-		CFLAGS="$CFLAGS -DTCL_THREAD_STACK_MIN=PTHREAD_STACK_MIN*64"
-		LIBS=`echo $LIBS | sed s/-lpthreads//`
-		AS_IF([test "$GCC" = yes], [
-		    LIBS="$LIBS -lpthread -lmach -lexc"
-		], [
-		    CFLAGS="$CFLAGS -pthread"
-		    LDFLAGS="$LDFLAGS -pthread"
-		])
+	    CFLAGS="$CFLAGS -DHAVE_PTHREAD_ATTR_SETSTACKSIZE"
+	    CFLAGS="$CFLAGS -DTCL_THREAD_STACK_MIN=PTHREAD_STACK_MIN*64"
+	    LIBS=`echo $LIBS | sed s/-lpthreads//`
+	    AS_IF([test "$GCC" = yes], [
+		LIBS="$LIBS -lpthread -lmach -lexc"
+	    ], [
+		CFLAGS="$CFLAGS -pthread"
+		LDFLAGS="$LDFLAGS -pthread"
 	    ])
 	    ;;
 	QNX-6*)
@@ -1923,11 +1772,11 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    SHLIB_SUFFIX=".so"
 	    AS_IF([test "$GCC" = yes], [
 		SHLIB_LD='${CC} -shared'
-		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
+		CC_SEARCH_FLAGS='"-Wl,-R,${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 	    ], [
 		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
-		CC_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
+		CC_SEARCH_FLAGS='-R "${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 	    ])
 	    ;;
@@ -1993,7 +1842,7 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    SHLIB_SUFFIX=".so"
 	    AS_IF([test "$GCC" = yes], [
 		SHLIB_LD='${CC} -shared'
-		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
+		CC_SEARCH_FLAGS='"-Wl,-R,${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 		AS_IF([test "$do64bit_ok" = yes], [
 		    AS_IF([test "$arch" = "sparcv9 sparc"], [
@@ -2020,8 +1869,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 		    *)
 			SHLIB_LD='/usr/ccs/bin/ld -G -z text';;
 		esac
-		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
-		LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
+		CC_SEARCH_FLAGS='"-Wl,-R,${LIB_RUNTIME_DIR}"'
+		LD_SEARCH_FLAGS='-R "${LIB_RUNTIME_DIR}"'
 	    ])
 	    ;;
 	UNIX_SV* | UnixWare-5*)
@@ -2034,7 +1883,8 @@ AC_DEFUN([TEA_CONFIG_CFLAGS], [
 	    AC_CACHE_CHECK([for ld accepts -Bexport flag], tcl_cv_ld_Bexport, [
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -Wl,-Bexport"
-		AC_TRY_LINK(, [int i;], tcl_cv_ld_Bexport=yes, tcl_cv_ld_Bexport=no)
+		AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])],
+			[tcl_cv_ld_Bexport=yes],[tcl_cv_ld_Bexport=no])
 	        LDFLAGS=$hold_ldflags])
 	    AS_IF([test $tcl_cv_ld_Bexport = yes], [
 		LDFLAGS="$LDFLAGS -Wl,-Bexport"
@@ -2066,7 +1916,7 @@ dnl # preprocessing tests use only CPPFLAGS.
 	case $system in
 	    AIX-*) ;;
 	    BSD/OS*) ;;
-	    CYGWIN_*|MINGW32_*|MINGW64_*) ;;
+	    CYGWIN_*|MINGW32_*|MINGW64_*|MSYS_*) ;;
 	    IRIX*) ;;
 	    NetBSD-*|DragonFly-*|FreeBSD-*|OpenBSD-*) ;;
 	    Darwin-*) ;;
@@ -2090,7 +1940,7 @@ dnl # preprocessing tests use only CPPFLAGS.
     if test "${GCC}" = "yes" -a ${SHLIB_SUFFIX} = ".dll"; then
 	AC_CACHE_CHECK(for SEH support in compiler,
 	    tcl_cv_seh,
-	AC_TRY_RUN([
+	AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
@@ -2105,10 +1955,10 @@ dnl # preprocessing tests use only CPPFLAGS.
 		}
 		return 1;
 	    }
-	],
-	    tcl_cv_seh=yes,
-	    tcl_cv_seh=no,
-	    tcl_cv_seh=no)
+	]])],
+	    [tcl_cv_seh=yes],
+	    [tcl_cv_seh=no],
+	    [tcl_cv_seh=no])
 	)
 	if test "$tcl_cv_seh" = "no" ; then
 	    AC_DEFINE(HAVE_NO_SEH, 1,
@@ -2123,15 +1973,15 @@ dnl # preprocessing tests use only CPPFLAGS.
 	#
 	AC_CACHE_CHECK(for EXCEPTION_DISPOSITION support in include files,
 	    tcl_cv_eh_disposition,
-	    AC_TRY_COMPILE([
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #	    define WIN32_LEAN_AND_MEAN
 #	    include <windows.h>
 #	    undef WIN32_LEAN_AND_MEAN
-	    ],[
+	    ]], [[
 		EXCEPTION_DISPOSITION x;
-	    ],
-		tcl_cv_eh_disposition=yes,
-		tcl_cv_eh_disposition=no)
+	    ]])],
+		[tcl_cv_eh_disposition=yes],
+		[tcl_cv_eh_disposition=no])
 	)
 	if test "$tcl_cv_eh_disposition" = "no" ; then
 	AC_DEFINE(EXCEPTION_DISPOSITION, int,
@@ -2144,18 +1994,18 @@ dnl # preprocessing tests use only CPPFLAGS.
 
 	AC_CACHE_CHECK(for winnt.h that ignores VOID define,
 	    tcl_cv_winnt_ignore_void,
-	    AC_TRY_COMPILE([
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #define VOID void
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
-	    ], [
+	    ]], [[
 		CHAR c;
 		SHORT s;
 		LONG l;
-	    ],
-        tcl_cv_winnt_ignore_void=yes,
-        tcl_cv_winnt_ignore_void=no)
+	    ]])],
+        [tcl_cv_winnt_ignore_void=yes],
+        [tcl_cv_winnt_ignore_void=no])
 	)
 	if test "$tcl_cv_winnt_ignore_void" = "yes" ; then
 	    AC_DEFINE(HAVE_WINNT_IGNORE_VOID, 1,
@@ -2169,22 +2019,25 @@ dnl # preprocessing tests use only CPPFLAGS.
 
 	AC_CACHE_CHECK(for cast to union support,
 	    tcl_cv_cast_to_union,
-	    AC_TRY_COMPILE([],
-	    [
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
 		  union foo { int i; double d; };
 		  union foo f = (union foo) (int) 0;
-	    ],
-	    tcl_cv_cast_to_union=yes,
-	    tcl_cv_cast_to_union=no)
+	    ]])],
+	    [tcl_cv_cast_to_union=yes],
+	    [tcl_cv_cast_to_union=no])
 	)
 	if test "$tcl_cv_cast_to_union" = "yes"; then
 	    AC_DEFINE(HAVE_CAST_TO_UNION, 1,
 		    [Defined when compiler supports casting to union type.])
 	fi
 
+	AC_CHECK_HEADER(stdbool.h, [AC_DEFINE(HAVE_STDBOOL_H, 1, [Do we have <stdbool.h>?])],)
+
     AC_SUBST(CFLAGS_DEBUG)
     AC_SUBST(CFLAGS_OPTIMIZE)
     AC_SUBST(CFLAGS_WARNING)
+    AC_SUBST(LDFLAGS_DEBUG)
+    AC_SUBST(LDFLAGS_OPTIMIZE)
 
     AC_SUBST(STLIB_LD)
     AC_SUBST(SHLIB_LD)
@@ -2224,7 +2077,7 @@ dnl # preprocessing tests use only CPPFLAGS.
 AC_DEFUN([TEA_SERIAL_PORT], [
     AC_CHECK_HEADERS(sys/modem.h)
     AC_CACHE_CHECK([termios vs. termio vs. sgtty], tcl_cv_api_serial, [
-    AC_TRY_RUN([
+    AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <termios.h>
 
 int main() {
@@ -2235,9 +2088,9 @@ int main() {
 	return 0;
     }
     return 1;
-}], tcl_cv_api_serial=termios, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
+}]])],[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([
+	AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <termio.h>
 
 int main() {
@@ -2247,10 +2100,10 @@ int main() {
 	return 0;
     }
     return 1;
-}], tcl_cv_api_serial=termio, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
+}]])],[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([
+	AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <sgtty.h>
 
 int main() {
@@ -2261,10 +2114,10 @@ int main() {
 	return 0;
     }
     return 1;
-}], tcl_cv_api_serial=sgtty, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
+}]])],[tcl_cv_api_serial=sgtty],[tcl_cv_api_serial=no],[tcl_cv_api_serial=no])
     fi
     if test $tcl_cv_api_serial = no ; then
-	AC_TRY_RUN([
+	AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <termios.h>
 #include <errno.h>
 
@@ -2277,10 +2130,10 @@ int main() {
 	return 0;
     }
     return 1;
-}], tcl_cv_api_serial=termios, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
+}]])],[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([
+	AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <termio.h>
 #include <errno.h>
 
@@ -2292,10 +2145,10 @@ int main() {
 	return 0;
     }
     return 1;
-    }], tcl_cv_api_serial=termio, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
+    }]])],[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([
+	AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <sgtty.h>
 #include <errno.h>
 
@@ -2308,7 +2161,7 @@ int main() {
 	return 0;
     }
     return 1;
-}], tcl_cv_api_serial=sgtty, tcl_cv_api_serial=none, tcl_cv_api_serial=none)
+}]])],[tcl_cv_api_serial=sgtty],[tcl_cv_api_serial=none],[tcl_cv_api_serial=none])
     fi])
     case $tcl_cv_api_serial in
 	termios) AC_DEFINE(USE_TERMIOS, 1, [Use the termios API for serial lines]);;
@@ -2352,7 +2205,7 @@ AC_DEFUN([TEA_PATH_UNIX_X], [
     not_really_there=""
     if test "$no_x" = ""; then
 	if test "$x_includes" = ""; then
-	    AC_TRY_CPP([#include <X11/Xlib.h>], , not_really_there="yes")
+	    AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <X11/Xlib.h>]])],[],[not_really_there="yes"])
 	else
 	    if test ! -r $x_includes/X11/Xlib.h; then
 		not_really_there="yes"
@@ -2362,7 +2215,7 @@ AC_DEFUN([TEA_PATH_UNIX_X], [
     if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
 	AC_MSG_CHECKING([for X11 header files])
 	found_xincludes="no"
-	AC_TRY_CPP([#include <X11/Xlib.h>], found_xincludes="yes", found_xincludes="no")
+	AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <X11/Xlib.h>]])],[found_xincludes="yes"],[found_xincludes="no"])
 	if test "$found_xincludes" = "no"; then
 	    dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include"
 	    for i in $dirs ; do
@@ -2468,6 +2321,7 @@ AC_DEFUN([TEA_BLOCKING_STYLE], [
 #		HAVE_TM_GMTOFF
 #		HAVE_TM_TZADJ
 #		HAVE_TIMEZONE_VAR
+#
 #--------------------------------------------------------------------
 
 AC_DEFUN([TEA_TIME_HANDLER], [
@@ -2475,18 +2329,20 @@ AC_DEFUN([TEA_TIME_HANDLER], [
     AC_HEADER_TIME
     AC_STRUCT_TIMEZONE
 
-    AC_CHECK_FUNCS(gmtime_r localtime_r)
+    AC_CHECK_FUNCS(gmtime_r localtime_r mktime)
 
     AC_CACHE_CHECK([tm_tzadj in struct tm], 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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[struct tm tm; (void)tm.tm_tzadj;]])],
+	    [tcl_cv_member_tm_tzadj=yes],
+	    [tcl_cv_member_tm_tzadj=no])])
     if test $tcl_cv_member_tm_tzadj = yes ; then
 	AC_DEFINE(HAVE_TM_TZADJ, 1, [Should we use the tm_tzadj field of struct tm?])
     fi
 
     AC_CACHE_CHECK([tm_gmtoff in struct tm], tcl_cv_member_tm_gmtoff, [
-	AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_gmtoff;],
-	    tcl_cv_member_tm_gmtoff=yes, tcl_cv_member_tm_gmtoff=no)])
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[struct tm tm; (void)tm.tm_gmtoff;]])],
+	    [tcl_cv_member_tm_gmtoff=yes],
+	    [tcl_cv_member_tm_gmtoff=no])])
     if test $tcl_cv_member_tm_gmtoff = yes ; then
 	AC_DEFINE(HAVE_TM_GMTOFF, 1, [Should we use the tm_gmtoff field of struct tm?])
     fi
@@ -2496,11 +2352,11 @@ AC_DEFUN([TEA_TIME_HANDLER], [
     # (like convex) have timezone functions, etc.
     #
     AC_CACHE_CHECK([long timezone variable], tcl_cv_timezone_long, [
-	AC_TRY_COMPILE([#include <time.h>],
-	    [extern long timezone;
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]],
+	[[extern long timezone;
 	    timezone += 1;
-	    exit (0);],
-	    tcl_cv_timezone_long=yes, tcl_cv_timezone_long=no)])
+	    exit (0);]])],
+	    [tcl_cv_timezone_long=yes], [tcl_cv_timezone_long=no])])
     if test $tcl_cv_timezone_long = yes ; then
 	AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
     else
@@ -2508,11 +2364,11 @@ AC_DEFUN([TEA_TIME_HANDLER], [
 	# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
 	#
 	AC_CACHE_CHECK([time_t timezone variable], tcl_cv_timezone_time, [
-	    AC_TRY_COMPILE([#include <time.h>],
-		[extern time_t timezone;
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]],
+	    [[extern time_t timezone;
 		timezone += 1;
-		exit (0);],
-		tcl_cv_timezone_time=yes, tcl_cv_timezone_time=no)])
+		exit (0);]])],
+		[tcl_cv_timezone_time=yes], [tcl_cv_timezone_time=no])])
 	if test $tcl_cv_timezone_time = yes ; then
 	    AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
 	fi
@@ -2542,7 +2398,8 @@ AC_DEFUN([TEA_BUGGY_STRTOD], [
     AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0)
     if test "$tcl_strtod" = 1; then
 	AC_CACHE_CHECK([for Solaris2.4/Tru64 strtod bugs], tcl_cv_strtod_buggy,[
-	    AC_TRY_RUN([
+	    AC_RUN_IFELSE([AC_LANG_SOURCE([[
+		#include <stdlib.h>
 		extern double strtod();
 		int main() {
 		    char *infString="Inf", *nanString="NaN", *spaceString=" ";
@@ -2561,8 +2418,8 @@ AC_DEFUN([TEA_BUGGY_STRTOD], [
 			exit(1);
 		    }
 		    exit(0);
-		}], tcl_cv_strtod_buggy=ok, tcl_cv_strtod_buggy=buggy,
-		    tcl_cv_strtod_buggy=buggy)])
+		}]])], [tcl_cv_strtod_buggy=ok], [tcl_cv_strtod_buggy=buggy],
+		    [tcl_cv_strtod_buggy=buggy])])
 	if test "$tcl_cv_strtod_buggy" = buggy; then
 	    AC_LIBOBJ([fixstrtod])
 	    USE_COMPAT=1
@@ -2571,6 +2428,81 @@ AC_DEFUN([TEA_BUGGY_STRTOD], [
     fi
 ])
 
+#--------------------------------------------------------------------
+# TEA_TCL_LINK_LIBS
+#
+#	Search for the libraries needed to link the Tcl shell.
+#	Things like the math library (-lm), socket stuff (-lsocket vs.
+#	-lnsl), zlib (-lz) and libtommath (-ltommath) are dealt with here.
+#
+# Arguments:
+#	None.
+#
+# Results:
+#
+#	Might append to the following vars:
+#		LIBS
+#		MATH_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.
+    #--------------------------------------------------------------------
+
+    AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm")
+
+    #--------------------------------------------------------------------
+    # 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="$LIBS -linet"])
+    AC_CHECK_HEADER(net/errno.h, [
+	AC_DEFINE(HAVE_NET_ERRNO_H, 1, [Do we have <net/errno.h>?])])
+
+    #--------------------------------------------------------------------
+    #	Check for the existence of the -lsocket and -lnsl libraries.
+    #	The order here is important, so that they end up in the right
+    #	order in the command line generated by make.  Here are some
+    #	special considerations:
+    #	1. Use "connect" and "accept" to check for -lsocket, and
+    #	   "gethostbyname" to check for -lnsl.
+    #	2. Use each function name only once:  can't redo a check because
+    #	   autoconf caches the results of the last check and won't redo it.
+    #	3. Use -lnsl and -lsocket only if they supply procedures that
+    #	   aren't already present in the normal libraries.  This is because
+    #	   IRIX 5.2 has libraries, but they aren't needed and they're
+    #	   bogus:  they goof up name resolution if used.
+    #	4. On some SVR4 systems, can't use -lsocket without -lnsl too.
+    #	   To get around this problem, check for both libraries together
+    #	   if -lsocket doesn't work by itself.
+    #--------------------------------------------------------------------
+
+    tcl_checkBoth=0
+    AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1)
+    if test "$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"])])
+    AC_CHECK_FUNC(mp_log_u32, , [AC_CHECK_LIB(tommath, mp_log_u32,
+	    [LIBS="$LIBS -ltommath"])])
+    AC_CHECK_FUNC(deflateSetHeader, , [AC_CHECK_LIB(z, deflateSetHeader,
+	    [LIBS="$LIBS -lz"])])
+])
+
 #--------------------------------------------------------------------
 # TEA_TCL_EARLY_FLAGS
 #
@@ -2586,15 +2518,16 @@ AC_DEFUN([TEA_BUGGY_STRTOD], [
 #		_ISOC99_SOURCE
 #		_LARGEFILE64_SOURCE
 #		_LARGEFILE_SOURCE64
+#
 #--------------------------------------------------------------------
 
 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)))
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$2]], [[$3]])],
+	    [tcl_cv_flag_]translit($1,[A-Z],[a-z])=no,[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[[#define ]$1[ 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, 1, [Add the ]$1[ flag when building])
 	tcl_flags="$tcl_flags $1"
@@ -2630,9 +2563,10 @@ AC_DEFUN([TEA_TCL_EARLY_FLAGS],[
 #	Might define the following vars:
 #		TCL_WIDE_INT_IS_LONG
 #		TCL_WIDE_INT_TYPE
-#		HAVE_STRUCT_DIRENT64
+#		HAVE_STRUCT_DIRENT64, HAVE_DIR64
 #		HAVE_STRUCT_STAT64
 #		HAVE_TYPE_OFF64_T
+#
 #--------------------------------------------------------------------
 
 AC_DEFUN([TEA_TCL_64BIT_FLAGS], [
@@ -2640,17 +2574,17 @@ AC_DEFUN([TEA_TCL_64BIT_FLAGS], [
     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
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[__int64 value = (__int64) 0;]])],
+	    [tcl_type_64bit=__int64],[tcl_type_64bit="long long"])
+	# See if we could use long anyway  Note that we substitute in the
 	# type that is our current guess for a 64-bit type inside this check
 	# program, so it should be modified only carefully...
-        AC_TRY_COMPILE(,[switch (0) {
-            case 1: case (sizeof(]${tcl_type_64bit}[)==sizeof(long)): ;
-        }],tcl_cv_type_64bit=${tcl_type_64bit})])
+        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[switch (0) {
+            case 1: case (sizeof(${tcl_type_64bit})==sizeof(long)): ;
+        }]])],[tcl_cv_type_64bit=${tcl_type_64bit}],[])])
     if test "${tcl_cv_type_64bit}" = none ; then
-	AC_DEFINE(TCL_WIDE_INT_IS_LONG, 1, [Are wide integers to be implemented with C 'long's?])
-	AC_MSG_RESULT([using long])
+	AC_DEFINE(TCL_WIDE_INT_IS_LONG, 1, [Do 'long' and 'long long' have the same size (64-bit)?])
+	AC_MSG_RESULT([yes])
     elif test "${tcl_cv_type_64bit}" = "__int64" \
 		-a "${TEA_PLATFORM}" = "windows" ; then
 	# TEA specific: We actually want to use the default tcl.h checks in
@@ -2663,17 +2597,26 @@ AC_DEFUN([TEA_TCL_64BIT_FLAGS], [
 
 	# Now check for auxiliary declarations
 	AC_CACHE_CHECK([for struct dirent64], tcl_cv_struct_dirent64,[
-	    AC_TRY_COMPILE([#include <sys/types.h>
-#include <dirent.h>],[struct dirent64 p;],
-		tcl_cv_struct_dirent64=yes,tcl_cv_struct_dirent64=no)])
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#include <dirent.h>]], [[struct dirent64 p;]])],
+		[tcl_cv_struct_dirent64=yes],[tcl_cv_struct_dirent64=no])])
 	if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
 	    AC_DEFINE(HAVE_STRUCT_DIRENT64, 1, [Is 'struct dirent64' in <sys/types.h>?])
 	fi
 
+	AC_CACHE_CHECK([for DIR64], tcl_cv_DIR64,[
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#include <dirent.h>]], [[struct dirent64 *p; DIR64 d = opendir64(".");
+            p = readdir64(d); rewinddir64(d); closedir64(d);]])],
+		[tcl_cv_DIR64=yes], [tcl_cv_DIR64=no])])
+	if test "x${tcl_cv_DIR64}" = "xyes" ; then
+	    AC_DEFINE(HAVE_DIR64, 1, [Is 'DIR64' in <sys/types.h>?])
+	fi
+
 	AC_CACHE_CHECK([for struct stat64], tcl_cv_struct_stat64,[
-	    AC_TRY_COMPILE([#include <sys/stat.h>],[struct stat64 p;
-],
-		tcl_cv_struct_stat64=yes,tcl_cv_struct_stat64=no)])
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat64 p;
+]])],
+		[tcl_cv_struct_stat64=yes], [tcl_cv_struct_stat64=no])])
 	if test "x${tcl_cv_struct_stat64}" = "xyes" ; then
 	    AC_DEFINE(HAVE_STRUCT_STAT64, 1, [Is 'struct stat64' in <sys/stat.h>?])
 	fi
@@ -2681,9 +2624,9 @@ AC_DEFUN([TEA_TCL_64BIT_FLAGS], [
 	AC_CHECK_FUNCS(open64 lseek64)
 	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)])
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>]], [[off64_t offset;
+]])],
+		[tcl_cv_type_off64_t=yes], [tcl_cv_type_off64_t=no])])
 	dnl Define HAVE_TYPE_OFF64_T only when the off64_t type and the
 	dnl functions lseek64 and open64 are defined.
 	if test "x${tcl_cv_type_off64_t}" = "xyes" && \
@@ -2748,7 +2691,7 @@ The PACKAGE_NAME variable must be defined by your TEA configure.ac])
     fi
 
     case "`uname -s`" in
-	*win32*|*WIN32*|*MINGW32_*|*MINGW64_*)
+	*win32*|*WIN32*|*MINGW32_*|*MINGW64_*|*MSYS_*)
 	    AC_CHECK_PROG(CYGPATH, cygpath, cygpath -m, echo)
 	    EXEEXT=".exe"
 	    TEA_PLATFORM="windows"
@@ -2996,7 +2939,7 @@ AC_DEFUN([TEA_ADD_LIBS], [
     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[$]/-l\1/i'`
+	    i=`echo "$i" | sed -e 's/^\([[^-]].*\)\.[[lL]][[iI]][[bB]][$]/-l\1/'`
 	fi
 	PKG_LIBS="$PKG_LIBS $i"
     done
@@ -3141,7 +3084,7 @@ AC_DEFUN([TEA_SETUP_COMPILER], [
 	AC_CACHE_CHECK([if the compiler understands -pipe],
 	    tcl_cv_cc_pipe, [
 	    hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -pipe"
-	    AC_TRY_COMPILE(,, tcl_cv_cc_pipe=yes, tcl_cv_cc_pipe=no)
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[tcl_cv_cc_pipe=yes],[tcl_cv_cc_pipe=no])
 	    CFLAGS=$hold_cflags])
 	if test $tcl_cv_cc_pipe = yes; then
 	    CFLAGS="$CFLAGS -pipe"
@@ -3183,7 +3126,7 @@ AC_DEFUN([TEA_SETUP_COMPILER], [
 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_SHARED_LIB="\${SHLIB_LD} \${LDFLAGS} \${LDFLAGS_DEFAULT} -out:\[$]@ \$(PKG_OBJECTS) \${SHLIB_LD_LIBS}"
 	AC_EGREP_CPP([manifest needed], [
 #if defined(_MSC_VER) && _MSC_VER >= 1400
 print("manifest needed")
@@ -3198,7 +3141,7 @@ print("manifest needed")
 	MAKE_STUB_LIB="\${STLIB_LD} -nodefaultlib -out:\[$]@ \$(PKG_STUB_OBJECTS)"
     else
 	MAKE_STATIC_LIB="\${STLIB_LD} \[$]@ \$(PKG_OBJECTS)"
-	MAKE_SHARED_LIB="\${SHLIB_LD} -o \[$]@ \$(PKG_OBJECTS) \${SHLIB_LD_LIBS}"
+	MAKE_SHARED_LIB="\${SHLIB_LD} \${LDFLAGS} \${LDFLAGS_DEFAULT} -o \[$]@ \$(PKG_OBJECTS) \${SHLIB_LD_LIBS}"
 	MAKE_STUB_LIB="\${STLIB_LD} \[$]@ \$(PKG_STUB_OBJECTS)"
     fi
 
@@ -3940,11 +3883,11 @@ AC_DEFUN([TEA_EXPORT_CONFIG], [
     # pkglibdir must be a fully qualified path and (not ${exec_prefix}/lib)
     eval pkglibdir="[$]{libdir}/$1${PACKAGE_VERSION}"
     if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
-	eval $1_LIB_FLAG="-l$1${PACKAGE_VERSION}${DBGX}"
-	eval $1_STUB_LIB_FLAG="-l$1stub${PACKAGE_VERSION}${DBGX}"
+	eval $1_LIB_FLAG="-l$1${PACKAGE_VERSION}"
+	eval $1_STUB_LIB_FLAG="-l$1stub${PACKAGE_VERSION}"
     else
-	eval $1_LIB_FLAG="-l$1`echo ${PACKAGE_VERSION} | tr -d .`${DBGX}"
-	eval $1_STUB_LIB_FLAG="-l$1stub`echo ${PACKAGE_VERSION} | tr -d .`${DBGX}"
+	eval $1_LIB_FLAG="-l$1`echo ${PACKAGE_VERSION} | tr -d .`"
+	eval $1_STUB_LIB_FLAG="-l$1stub`echo ${PACKAGE_VERSION} | tr -d .`"
     fi
     $1_BUILD_LIB_SPEC="-L`$CYGPATH $(pwd)` ${$1_LIB_FLAG}"
     $1_LIB_SPEC="-L`$CYGPATH ${pkglibdir}` ${$1_LIB_FLAG}"
@@ -3966,73 +3909,6 @@ AC_DEFUN([TEA_EXPORT_CONFIG], [
 ])
 
 
-#------------------------------------------------------------------------
-# 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=${ac_cv_c_celibconfig}
-	    CELIB_DIR=`echo "$CELIB_DIR" | sed -e 's!\\\!/!g'`
-	    AC_MSG_RESULT([found $CELIB_DIR])
-	fi
-    fi
-])
-
 #------------------------------------------------------------------------
 # TEA_INSTALLER --
 #