merge trunk

28 files changed, 185 insertions, 190 deletions

diff --git a/generic/tclEnv.c b/generic/tclEnv.c
index 6a21947..8f51c1b 100644
--- a/generic/tclEnv.c
+++ b/generic/tclEnv.c
@@ -614,7 +614,8 @@ EnvTraceProc(
 	const char *value = TclGetEnv(name2, &valueString);
 
 	if (value == NULL) {
-	    return (char *) "no such variable";
+	    Tcl_UnsetVar2(interp, name1, name2, 0);
+	    return NULL;
 	}
 	Tcl_SetVar2(interp, name1, name2, value, 0);
 	Tcl_DStringFree(&valueString);
diff --git a/generic/tclIOGT.c b/generic/tclIOGT.c
index bfe6a10..825f408 100644
--- a/generic/tclIOGT.c
+++ b/generic/tclIOGT.c
@@ -661,12 +661,13 @@ TransformInputProc(
 	     * had some data before we report that instead of the request to
 	     * re-try.
 	     */
+		int error = Tcl_GetErrno();
 
-	    if ((Tcl_GetErrno() == EAGAIN) && (gotBytes > 0)) {
+	    if ((error == EAGAIN) && (gotBytes > 0)) {
 		return gotBytes;
 	    }
 
-	    *errorCodePtr = Tcl_GetErrno();
+	    *errorCodePtr = error;
 	    return -1;
 	} else if (read == 0) {
 	    /*
diff --git a/generic/tclIOSock.c b/generic/tclIOSock.c
index 7d6c462..694501f 100644
--- a/generic/tclIOSock.c
+++ b/generic/tclIOSock.c
@@ -139,7 +139,7 @@ int
 TclCreateSocketAddress(
     Tcl_Interp *interp,                 /* Interpreter for querying
 					 * the desired socket family */
-    void **addrlist,		/* Socket address list */
+    struct addrinfo **addrlist,		/* Socket address list */
     const char *host,			/* Host. NULL implies INADDR_ANY */
     int port,				/* Port number */
     int willBind,			/* Is this an address to bind() to or
@@ -213,7 +213,7 @@ TclCreateSocketAddress(
 	hints.ai_flags |= AI_PASSIVE;
     } 
 
-    result = getaddrinfo(native, portstring, &hints, (struct addrinfo **) addrlist);
+    result = getaddrinfo(native, portstring, &hints, addrlist);
 
     if (host != NULL) {
 	Tcl_DStringFree(&ds);
diff --git a/generic/tclInt.h b/generic/tclInt.h
index 55a5965..6626f86 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -2959,8 +2959,9 @@ MODULE_SCOPE void	TclpFinalizeMutex(Tcl_Mutex *mutexPtr);
 MODULE_SCOPE void	TclpFinalizePipes(void);
 MODULE_SCOPE void	TclpFinalizeSockets(void);
 MODULE_SCOPE int	TclCreateSocketAddress(Tcl_Interp *interp,
-			    void **addrlist, const char *host, int port,
-			    int willBind, const char **errorMsgPtr);
+			    struct addrinfo **addrlist,
+			    const char *host, int port, int willBind,
+			    const char **errorMsgPtr);
 MODULE_SCOPE int	TclpThreadCreate(Tcl_ThreadId *idPtr,
 			    Tcl_ThreadCreateProc *proc, ClientData clientData,
 			    int stackSize, int flags);
diff --git a/generic/tclNotify.c b/generic/tclNotify.c
index a6523fc..e76bca8 100644
--- a/generic/tclNotify.c
+++ b/generic/tclNotify.c
@@ -813,11 +813,7 @@ Tcl_SetMaxBlockTime(
      */
 
     if (!tsdPtr->inTraversal) {
-	if (tsdPtr->blockTimeSet) {
-	    Tcl_SetTimer(&tsdPtr->blockTime);
-	} else {
-	    Tcl_SetTimer(NULL);
-	}
+	Tcl_SetTimer(&tsdPtr->blockTime);
     }
 }
 
diff --git a/library/init.tcl b/library/init.tcl
index c9db41c..bca5d95 100644
--- a/library/init.tcl
+++ b/library/init.tcl
@@ -130,9 +130,9 @@ if {(![interp issafe]) && ($tcl_platform(platform) eq "windows")} {
 		    switch -- $u {
 			COMSPEC -
 			PATH {
-			    if {![info exists env($u)]} {
-				set env($u) $env($p)
-			    }
+			    set temp $env($p)
+			    unset env($p)
+			    set env($u) $temp
 			    trace add variable env($p) write \
 				    [namespace code [list EnvTraceProc $p]]
 			    trace add variable env($u) write \
@@ -142,11 +142,7 @@ if {(![interp issafe]) && ($tcl_platform(platform) eq "windows")} {
 		}
 	    }
 	    if {![info exists env(COMSPEC)]} {
-		if {$tcl_platform(os) eq "Windows NT"} {
-		    set env(COMSPEC) cmd.exe
-		} else {
-		    set env(COMSPEC) command.com
-		}
+		set env(COMSPEC) cmd.exe
 	    }
 	}
 	InitWinEnv
diff --git a/library/parray.tcl b/library/parray.tcl
index 3ce9817..a9c2cb1 100644
--- a/library/parray.tcl
+++ b/library/parray.tcl
@@ -11,7 +11,7 @@
 proc parray {a {pattern *}} {
     upvar 1 $a array
     if {![array exists array]} {
-	error "\"$a\" isn't an array"
+	return -code error "\"$a\" isn't an array"
     }
     set maxl 0
     set names [lsort [array names array $pattern]]
diff --git a/library/tcltest/pkgIndex.tcl b/library/tcltest/pkgIndex.tcl
index b253f34..19b6005 100644
--- a/library/tcltest/pkgIndex.tcl
+++ b/library/tcltest/pkgIndex.tcl
@@ -9,4 +9,4 @@
 # full path name of this file's directory.
 
 if {![package vsatisfies [package provide Tcl] 8.5-]} {return}
-package ifneeded tcltest 2.3.6 [list source [file join $dir tcltest.tcl]]
+package ifneeded tcltest 2.3.7 [list source [file join $dir tcltest.tcl]]
diff --git a/library/tcltest/tcltest.tcl b/library/tcltest/tcltest.tcl
index f59e25b..55efb3d 100644
--- a/library/tcltest/tcltest.tcl
+++ b/library/tcltest/tcltest.tcl
@@ -22,7 +22,7 @@ namespace eval tcltest {
     # When the version number changes, be sure to update the pkgIndex.tcl file,
     # and the install directory in the Makefiles.  When the minor version
     # changes (new feature) be sure to update the man page as well.
-    variable Version 2.3.6
+    variable Version 2.3.7
 
     # Compatibility support for dumb variables defined in tcltest 1
     # Do not use these.  Call [package provide Tcl] and [info patchlevel]
@@ -2498,17 +2498,15 @@ proc tcltest::cleanupTests {{calledFromAllFile 0}} {
 	    if {![info exists originalEnv($index)]} {
 		lappend newEnv $index
 		unset ::env($index)
-	    } else {
-		if {$::env($index) != $originalEnv($index)} {
-		    lappend changedEnv $index
-		    set ::env($index) $originalEnv($index)
-		}
 	    }
 	}
 	foreach index [array names originalEnv] {
 	    if {![info exists ::env($index)]} {
 		lappend removedEnv $index
 		set ::env($index) $originalEnv($index)
+	    } elseif {$::env($index) ne $originalEnv($index)} {
+		lappend changedEnv $index
+		set ::env($index) $originalEnv($index)
 	    }
 	}
 	if {[llength $newEnv] > 0} {
diff --git a/tests/env.test b/tests/env.test
index 8115652..83d99e0 100644
--- a/tests/env.test
+++ b/tests/env.test
@@ -218,8 +218,8 @@ test env-4.5 {unsetting international environment variables} -setup {
     unset env(\ua7)
     getenv
 } -constraints {exec} -cleanup {
-    encoding system $sysenc
     unset env(\ub6)
+    encoding system $sysenc
 } -result {\u00b6=\u00a7}
 
 test env-5.0 {corner cases - set a value, it should exist} -body {
diff --git a/unix/Makefile.in b/unix/Makefile.in
index 80718ae..ac04b8f 100644
--- a/unix/Makefile.in
+++ b/unix/Makefile.in
@@ -611,7 +611,7 @@ SRCS = $(GENERIC_SRCS) $(TOMMATH_SRCS) $(UNIX_SRCS) $(NOTIFY_SRCS) \
 
 all: binaries libraries doc packages
 
-binaries: ${LIB_FILE} $(STUB_LIB_FILE) ${TCL_EXE}
+binaries: ${LIB_FILE} ${TCL_EXE}
 
 libraries:
 
@@ -619,11 +619,14 @@ doc:
 
 # The following target is configured by autoconf to generate either a shared
 # library or non-shared library for Tcl.
-${LIB_FILE}: ${OBJS} ${STUB_LIB_FILE}
+${LIB_FILE}: ${STUB_LIB_FILE} ${OBJS}
 	rm -f $@
 	@MAKE_LIB@
 
 ${STUB_LIB_FILE}: ${STUB_LIB_OBJS}
+	@if test "x${LIB_FILE}" = "xlibtcl${MAJOR_VERSION}.${MINOR_VERSION}.dll"; then \
+	    (cd ${TOP_DIR}/win; ${MAKE} tcldde14.dll tclreg13.dll); \
+	fi
 	rm -f $@
 	@MAKE_STUB_LIB@
 
@@ -847,8 +850,8 @@ install-libraries: libraries
 	    done;
 	@echo "Installing package msgcat 1.5.2 as a Tcl Module";
 	@$(INSTALL_DATA) $(TOP_DIR)/library/msgcat/msgcat.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.5/msgcat-1.5.2.tm;
-	@echo "Installing package tcltest 2.3.6 as a Tcl Module";
-	@$(INSTALL_DATA) $(TOP_DIR)/library/tcltest/tcltest.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.5/tcltest-2.3.6.tm;
+	@echo "Installing package tcltest 2.3.7 as a Tcl Module";
+	@$(INSTALL_DATA) $(TOP_DIR)/library/tcltest/tcltest.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.5/tcltest-2.3.7.tm;
 
 	@echo "Installing package platform 1.0.12 as a Tcl Module";
 	@$(INSTALL_DATA) $(TOP_DIR)/library/platform/platform.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.4/platform-1.0.12.tm;
diff --git a/unix/configure b/unix/configure
index e96afb9..666c2de 100755
--- a/unix/configure
+++ b/unix/configure
@@ -6490,80 +6490,6 @@ if test "${tcl_cv_cc_visibility_hidden+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-	    if test "$SHARED_BUILD" = 1; then
-
-		hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fvisibility=hidden -Werror"
-		cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-#if !defined(__GNUC__) || __GNUC__ < 4
-#error visibility hidden is not supported for this compiler
-#endif
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  tcl_cv_cc_visibility_hidden=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-tcl_cv_cc_visibility_hidden=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-		CFLAGS=$hold_cflags
-
-else
-
-		tcl_cv_cc_visibility_hidden=no
-
-fi
-
-
-fi
-echo "$as_me:$LINENO: result: $tcl_cv_cc_visibility_hidden" >&5
-echo "${ECHO_T}$tcl_cv_cc_visibility_hidden" >&6
-    if test $tcl_cv_cc_visibility_hidden = yes; then
-
-	CFLAGS="$CFLAGS -fvisibility=hidden"
-
-cat >>confdefs.h <<\_ACEOF
-#define MODULE_SCOPE extern
-_ACEOF
-
-
-else
-
 	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
 	cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -6614,7 +6540,10 @@ fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 	CFLAGS=$hold_cflags
-	if test $tcl_cv_cc_visibility_hidden = yes; then
+fi
+echo "$as_me:$LINENO: result: $tcl_cv_cc_visibility_hidden" >&5
+echo "${ECHO_T}$tcl_cv_cc_visibility_hidden" >&6
+    if test $tcl_cv_cc_visibility_hidden = yes; then
 
 
 cat >>confdefs.h <<\_ACEOF
@@ -6630,9 +6559,6 @@ _ACEOF
 fi
 
 
-fi
-
-
     # Step 0.d: Disable -rpath support?
 
     echo "$as_me:$LINENO: checking if rpath support is requested" >&5
@@ -7150,10 +7076,15 @@ echo "$as_me: error: ${CC} is not a cygwin compiler." >&2;}
 echo "$as_me: error: CYGWIN compile is only supported with --enable-threads" >&2;}
    { (exit 1); exit 1; }; }
 	    fi
-	    if test "x${SHARED_BUILD}" = "x1" -a ! -f "../win/tcldde14.dll" -a ! -f "../win/tk86.dll"; then
-		{ { echo "$as_me:$LINENO: error: Please configure and make the ../win directory first." >&5
-echo "$as_me: error: Please configure and make the ../win directory first." >&2;}
-   { (exit 1); exit 1; }; }
+	    do64bit_ok=yes
+	    if test "x${SHARED_BUILD}" = "x1"; then
+		echo "running cd ../win; ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args"
+		# The eval makes quoting arguments work.
+		if cd ../win; eval ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args; cd ../unix
+		then :
+		else
+		    { echo "configure: error: configure failed for ../win" 1>&2; exit 1; }
+		fi
 	    fi
 	    ;;
 	dgux*)
@@ -8145,7 +8076,6 @@ cat >>confdefs.h <<\_ACEOF
 #define MODULE_SCOPE __private_extern__
 _ACEOF
 
-		tcl_cv_cc_visibility_hidden=yes
 
 fi
 
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 71f4f97..7dae611 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -111,9 +111,9 @@ AC_DEFUN([SC_PATH_TCLCONFIG], [
 			`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
+			ac_cv_c_tclconfig="`(cd $i/unix; pwd)`"
+			break
+		    fi
 		done
 	    fi
 	])
@@ -271,11 +271,10 @@ AC_DEFUN([SC_PATH_TKCONFIG], [
 #
 # Results:
 #
-#	Subst the following vars:
+#	Substitutes the following vars:
 #		TCL_BIN_DIR
 #		TCL_SRC_DIR
 #		TCL_LIB_FILE
-#
 #------------------------------------------------------------------------
 
 AC_DEFUN([SC_LOAD_TCLCONFIG], [
@@ -439,11 +438,11 @@ AC_DEFUN([SC_LOAD_TKCONFIG], [
 #	extension can't assume that an executable Tcl shell exists at
 #	build time.
 #
-# Arguments
+# Arguments:
 #	none
 #
-# Results
-#	Subst's the following values:
+# Results:
+#	Substitutes the following vars:
 #		TCLSH_PROG
 #------------------------------------------------------------------------
 
@@ -484,11 +483,11 @@ AC_DEFUN([SC_PROG_TCLSH], [
 #	when running tests from an extension build directory. It is not
 #	correct to use the TCLSH_PROG in cases like this.
 #
-# Arguments
+# Arguments:
 #	none
 #
-# Results
-#	Subst's the following values:
+# Results:
+#	Substitutes the following values:
 #		BUILD_TCLSH
 #------------------------------------------------------------------------
 
@@ -790,7 +789,6 @@ AC_DEFUN([SC_ENABLE_SYMBOLS], [
 #
 #	Defines the following vars:
 #		HAVE_LANGINFO	Triggers use of nl_langinfo if defined.
-#
 #------------------------------------------------------------------------
 
 AC_DEFUN([SC_ENABLE_LANGINFO], [
@@ -1045,34 +1043,17 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 
     AC_CACHE_CHECK([if compiler supports visibility "hidden"],
 	tcl_cv_cc_visibility_hidden, [
-	    AS_IF([test "$SHARED_BUILD" = 1], [
-		hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fvisibility=hidden -Werror"
-		AC_TRY_COMPILE(,[#if !defined(__GNUC__) || __GNUC__ < 4
-#error visibility hidden is not supported for this compiler
-#endif
-		], tcl_cv_cc_visibility_hidden=yes,
-		    tcl_cv_cc_visibility_hidden=no)
-		CFLAGS=$hold_cflags
-	    ], [
-		tcl_cv_cc_visibility_hidden=no
-	    ])
-    ])
-    AS_IF([test $tcl_cv_cc_visibility_hidden = yes], [
-	CFLAGS="$CFLAGS -fvisibility=hidden"
-	AC_DEFINE(MODULE_SCOPE, [extern], [No need to mark inidividual symbols as hidden])
-    ], [
 	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
 	AC_TRY_LINK([
 	    extern __attribute__((__visibility__("hidden"))) void f(void);
 	    void f(void) {}], [f();], tcl_cv_cc_visibility_hidden=yes,
 	    tcl_cv_cc_visibility_hidden=no)
-	CFLAGS=$hold_cflags
-	AS_IF([test $tcl_cv_cc_visibility_hidden = yes], [
-	    AC_DEFINE(MODULE_SCOPE,
-		[extern __attribute__((__visibility__("hidden")))],
-		[Compiler support for module scope symbols])
-	    AC_DEFINE(HAVE_HIDDEN, [1], [Compiler support for module scope symbols])
-	])
+	CFLAGS=$hold_cflags])
+    AS_IF([test $tcl_cv_cc_visibility_hidden = yes], [
+	AC_DEFINE(MODULE_SCOPE,
+	    [extern __attribute__((__visibility__("hidden")))],
+	    [Compiler support for module scope symbols])
+	AC_DEFINE(HAVE_HIDDEN, [1], [Compiler support for module scope symbols])
     ])
 
     # Step 0.d: Disable -rpath support?
@@ -1253,8 +1234,15 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    if test "x${TCL_THREADS}" = "x0"; then
 		AC_MSG_ERROR([CYGWIN compile is only supported with --enable-threads])
 	    fi
-	    if test "x${SHARED_BUILD}" = "x1" -a ! -f "../win/tcldde14.dll" -a ! -f "../win/tk86.dll"; then
-		AC_MSG_ERROR([Please configure and make the ../win directory first.])
+	    do64bit_ok=yes
+	    if test "x${SHARED_BUILD}" = "x1"; then
+		echo "running cd ../win; ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args"
+		# The eval makes quoting arguments work.
+		if cd ../win; eval ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args; cd ../unix
+		then :
+		else
+		    { echo "configure: error: configure failed for ../win" 1>&2; exit 1; }
+		fi
 	    fi
 	    ;;
 	dgux*)
@@ -1638,7 +1626,6 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    AS_IF([test "$tcl_cv_cc_visibility_hidden" != yes], [
 		AC_DEFINE(MODULE_SCOPE, [__private_extern__],
 		    [Compiler support for module scope symbols])
-		tcl_cv_cc_visibility_hidden=yes
 	    ])
 	    CC_SEARCH_FLAGS=""
 	    LD_SEARCH_FLAGS=""
diff --git a/unix/tclUnixSock.c b/unix/tclUnixSock.c
index 7ef28d8..49a6460 100644
--- a/unix/tclUnixSock.c
+++ b/unix/tclUnixSock.c
@@ -1140,7 +1140,7 @@ Tcl_OpenTcpClient(
 {
     TcpState *state;
     const char *errorMsg = NULL;
-    void *addrlist = NULL, *myaddrlist = NULL;
+    struct addrinfo *addrlist = NULL, *myaddrlist = NULL;
     char channelName[SOCK_CHAN_LENGTH];
 
     /*
@@ -1285,8 +1285,7 @@ Tcl_OpenTcpServer(
     ClientData acceptProcData)	/* Data for the callback. */
 {
     int status = 0, sock = -1, reuseaddr = 1, chosenport = 0;
-    void *addrlist = NULL;
-    struct addrinfo *addrPtr;	/* socket address */
+    struct addrinfo *addrlist = NULL, *addrPtr;	/* socket address */
     TcpState *statePtr = NULL;
     char channelName[SOCK_CHAN_LENGTH];
     const char *errorMsg = NULL;
diff --git a/win/Makefile.in b/win/Makefile.in
index 0051c8b..aa34e53 100644
--- a/win/Makefile.in
+++ b/win/Makefile.in
@@ -445,13 +445,13 @@ ${TCL_LIB_FILE}: ${TCL_OBJS} ${DDE_OBJS} ${REG_OBJS}
 	@MAKE_LIB@ ${TCL_OBJS} ${DDE_OBJS} ${REG_OBJS}
 	@POST_MAKE_LIB@
 
-${DDE_DLL_FILE}: ${DDE_OBJS} ${TCL_STUB_LIB_FILE}
+${DDE_DLL_FILE}: ${TCL_STUB_LIB_FILE} ${DDE_OBJS}
 	@MAKE_DLL@ ${DDE_OBJS} $(TCL_STUB_LIB_FILE) $(SHLIB_LD_LIBS)
 
-${REG_DLL_FILE}: ${REG_OBJS} ${TCL_STUB_LIB_FILE}
+${REG_DLL_FILE}: ${TCL_STUB_LIB_FILE} ${REG_OBJS}
 	@MAKE_DLL@ ${REG_OBJS} $(TCL_STUB_LIB_FILE) $(SHLIB_LD_LIBS)
 
-${TEST_DLL_FILE}: ${TCLTEST_OBJS} ${TCL_STUB_LIB_FILE}
+${TEST_DLL_FILE}: ${TCL_STUB_LIB_FILE} ${TCLTEST_OBJS}
 	@$(RM) ${TEST_DLL_FILE} ${TEST_LIB_FILE}
 	@MAKE_DLL@ ${TCLTEST_OBJS} $(TCL_STUB_LIB_FILE) $(SHLIB_LD_LIBS)
 
@@ -646,8 +646,8 @@ install-libraries: libraries install-tzdata install-msgs
 	    done;
 	@echo "Installing package msgcat 1.5.2 as a Tcl Module";
 	@$(COPY) $(ROOT_DIR)/library/msgcat/msgcat.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.5/msgcat-1.5.2.tm;
-	@echo "Installing package tcltest 2.3.6 as a Tcl Module";
-	@$(COPY) $(ROOT_DIR)/library/tcltest/tcltest.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.5/tcltest-2.3.6.tm;
+	@echo "Installing package tcltest 2.3.7 as a Tcl Module";
+	@$(COPY) $(ROOT_DIR)/library/tcltest/tcltest.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.5/tcltest-2.3.7.tm;
 	@echo "Installing package platform 1.0.12 as a Tcl Module";
 	@$(COPY) $(ROOT_DIR)/library/platform/platform.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.4/platform-1.0.12.tm;
 	@echo "Installing package platform::shell 1.1.4 as a Tcl Module";
diff --git a/win/configure b/win/configure
index 10e1b4a..a66e83b 100755
--- a/win/configure
+++ b/win/configure
@@ -309,7 +309,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP AR ac_ct_AR RANLIB ac_ct_RANLIB RC ac_ct_RC SET_MAKE TCL_THREADS CYGPATH CELIB_DIR DL_LIBS CFLAGS_DEBUG CFLAGS_OPTIMIZE CFLAGS_WARNING ZLIB_DLL_FILE ZLIB_LIBS ZLIB_OBJS CFLAGS_DEFAULT LDFLAGS_DEFAULT VC_MANIFEST_EMBED_DLL VC_MANIFEST_EMBED_EXE TCL_VERSION TCL_MAJOR_VERSION TCL_MINOR_VERSION TCL_PATCH_LEVEL PKG_CFG_ARGS TCL_EXE TCL_LIB_FILE TCL_LIB_FLAG TCL_STATIC_LIB_FILE TCL_STATIC_LIB_FLAG TCL_IMPORT_LIB_FILE TCL_IMPORT_LIB_FLAG TCL_LIB_SPEC TCL_STUB_LIB_FILE TCL_STUB_LIB_FLAG TCL_STUB_LIB_SPEC TCL_STUB_LIB_PATH TCL_INCLUDE_SPEC TCL_BUILD_STUB_LIB_SPEC TCL_BUILD_STUB_LIB_PATH TCL_DLL_FILE TCL_SRC_DIR TCL_BIN_DIR TCL_DBGX CFG_TCL_SHARED_LIB_SUFFIX CFG_TCL_UNSHARED_LIB_SUFFIX CFG_TCL_EXPORT_FILE_SUFFIX EXTRA_CFLAGS DEPARG CC_OBJNAME CC_EXENAME LDFLAGS_DEBUG LDFLAGS_OPTIMIZE LDFLAGS_CONSOLE LDFLAGS_WINDOW STLIB_LD SHLIB_LD SHLIB_LD_LIBS SHLIB_CFLAGS SHLIB_SUFFIX TCL_SHARED_BUILD LIBS_GUI DLLSUFFIX LIBPREFIX LIBSUFFIX EXESUFFIX LIBRARIES MAKE_LIB MAKE_STUB_LIB POST_MAKE_LIB MAKE_DLL MAKE_EXE TCL_BUILD_LIB_SPEC TCL_LD_SEARCH_FLAGS TCL_NEEDS_EXP_FILE TCL_BUILD_EXP_FILE TCL_EXP_FILE TCL_LIB_VERSIONS_OK TCL_PACKAGE_PATH TCL_DDE_VERSION TCL_DDE_MAJOR_VERSION TCL_DDE_MINOR_VERSION TCL_REG_VERSION TCL_REG_MAJOR_VERSION TCL_REG_MINOR_VERSION RC_OUT RC_TYPE RC_INCLUDE RC_DEFINE RC_DEFINES RES LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP AR ac_ct_AR RANLIB ac_ct_RANLIB RC ac_ct_RC SET_MAKE TCL_THREADS CYGPATH CELIB_DIR DL_LIBS CFLAGS_DEBUG CFLAGS_OPTIMIZE CFLAGS_WARNING ZLIB_DLL_FILE ZLIB_LIBS ZLIB_OBJS CFLAGS_DEFAULT LDFLAGS_DEFAULT VC_MANIFEST_EMBED_DLL VC_MANIFEST_EMBED_EXE TCL_WIN_VERSION MACHINE TCL_VERSION TCL_MAJOR_VERSION TCL_MINOR_VERSION TCL_PATCH_LEVEL PKG_CFG_ARGS TCL_EXE TCL_LIB_FILE TCL_LIB_FLAG TCL_STATIC_LIB_FILE TCL_STATIC_LIB_FLAG TCL_IMPORT_LIB_FILE TCL_IMPORT_LIB_FLAG TCL_LIB_SPEC TCL_STUB_LIB_FILE TCL_STUB_LIB_FLAG TCL_STUB_LIB_SPEC TCL_STUB_LIB_PATH TCL_INCLUDE_SPEC TCL_BUILD_STUB_LIB_SPEC TCL_BUILD_STUB_LIB_PATH TCL_DLL_FILE TCL_SRC_DIR TCL_BIN_DIR TCL_DBGX CFG_TCL_SHARED_LIB_SUFFIX CFG_TCL_UNSHARED_LIB_SUFFIX CFG_TCL_EXPORT_FILE_SUFFIX EXTRA_CFLAGS DEPARG CC_OBJNAME CC_EXENAME LDFLAGS_DEBUG LDFLAGS_OPTIMIZE LDFLAGS_CONSOLE LDFLAGS_WINDOW STLIB_LD SHLIB_LD SHLIB_LD_LIBS SHLIB_CFLAGS SHLIB_SUFFIX TCL_SHARED_BUILD LIBS_GUI DLLSUFFIX LIBPREFIX LIBSUFFIX EXESUFFIX LIBRARIES MAKE_LIB MAKE_STUB_LIB POST_MAKE_LIB MAKE_DLL MAKE_EXE TCL_BUILD_LIB_SPEC TCL_LD_SEARCH_FLAGS TCL_NEEDS_EXP_FILE TCL_BUILD_EXP_FILE TCL_EXP_FILE TCL_LIB_VERSIONS_OK TCL_PACKAGE_PATH TCL_DDE_VERSION TCL_DDE_MAJOR_VERSION TCL_DDE_MINOR_VERSION TCL_REG_VERSION TCL_REG_MAJOR_VERSION TCL_REG_MINOR_VERSION RC_OUT RC_TYPE RC_INCLUDE RC_DEFINE RC_DEFINES RES LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -5168,6 +5168,19 @@ else
     TCL_PACKAGE_PATH="${prefix}/lib"
 fi
 
+# The tclsh.exe.manifest requires these
+# TCL_WIN_VERSION is the 4 dotted pair Windows version format which needs
+# the release level, and must account for interim release versioning
+case "$TCL_PATCH_LEVEL" in
+     *a*) TCL_RELEASE_LEVEL=0 ;;
+     *b*) TCL_RELEASE_LEVEL=1 ;;
+     *)   TCL_RELEASE_LEVEL=2 ;;
+esac
+TCL_WIN_VERSION="$TCL_VERSION.$TCL_RELEASE_LEVEL.`echo $TCL_PATCH_LEVEL | tr -d ab.`"
+
+# X86|AMD64|IA64 for manifest
+
+
 
 
 
@@ -5262,7 +5275,7 @@ fi
 
 
 
-                              ac_config_files="$ac_config_files Makefile tclConfig.sh tcl.hpj"
+                                        ac_config_files="$ac_config_files Makefile tclConfig.sh tcl.hpj tclsh.exe.manifest"
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -5816,6 +5829,7 @@ do
   "Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
   "tclConfig.sh" ) CONFIG_FILES="$CONFIG_FILES tclConfig.sh" ;;
   "tcl.hpj" ) CONFIG_FILES="$CONFIG_FILES tcl.hpj" ;;
+  "tclsh.exe.manifest" ) CONFIG_FILES="$CONFIG_FILES tclsh.exe.manifest" ;;
   *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
 echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
    { (exit 1); exit 1; }; };;
@@ -5929,6 +5943,8 @@ s,@CFLAGS_DEFAULT@,$CFLAGS_DEFAULT,;t t
 s,@LDFLAGS_DEFAULT@,$LDFLAGS_DEFAULT,;t t
 s,@VC_MANIFEST_EMBED_DLL@,$VC_MANIFEST_EMBED_DLL,;t t
 s,@VC_MANIFEST_EMBED_EXE@,$VC_MANIFEST_EMBED_EXE,;t t
+s,@TCL_WIN_VERSION@,$TCL_WIN_VERSION,;t t
+s,@MACHINE@,$MACHINE,;t t
 s,@TCL_VERSION@,$TCL_VERSION,;t t
 s,@TCL_MAJOR_VERSION@,$TCL_MAJOR_VERSION,;t t
 s,@TCL_MINOR_VERSION@,$TCL_MINOR_VERSION,;t t
diff --git a/win/configure.in b/win/configure.in
index 419a9b8..2ff3161 100644
--- a/win/configure.in
+++ b/win/configure.in
@@ -350,6 +350,19 @@ else
     TCL_PACKAGE_PATH="${prefix}/lib"
 fi
 
+# The tclsh.exe.manifest requires these
+# TCL_WIN_VERSION is the 4 dotted pair Windows version format which needs
+# the release level, and must account for interim release versioning
+case "$TCL_PATCH_LEVEL" in
+     *a*) TCL_RELEASE_LEVEL=0 ;;
+     *b*) TCL_RELEASE_LEVEL=1 ;;
+     *)   TCL_RELEASE_LEVEL=2 ;;
+esac
+TCL_WIN_VERSION="$TCL_VERSION.$TCL_RELEASE_LEVEL.`echo $TCL_PATCH_LEVEL | tr -d ab.`"
+AC_SUBST(TCL_WIN_VERSION)
+# X86|AMD64|IA64 for manifest
+AC_SUBST(MACHINE)
+
 AC_SUBST(TCL_VERSION)
 AC_SUBST(TCL_MAJOR_VERSION)
 AC_SUBST(TCL_MINOR_VERSION)
@@ -444,7 +457,7 @@ AC_SUBST(RC_DEFINE)
 AC_SUBST(RC_DEFINES)
 AC_SUBST(RES)
 
-AC_OUTPUT(Makefile tclConfig.sh tcl.hpj)
+AC_OUTPUT(Makefile tclConfig.sh tcl.hpj tclsh.exe.manifest)
 
 dnl Local Variables:
 dnl mode: autoconf;
diff --git a/win/makefile.vc b/win/makefile.vc
index e3851c9..422f0da 100644
--- a/win/makefile.vc
+++ b/win/makefile.vc
@@ -981,6 +981,12 @@ $(TMP_DIR)\tclStubLib.obj: $(GENERICDIR)\tclStubLib.c
 $(TMP_DIR)\tclTomMathStubLib.obj: $(GENERICDIR)\tclTomMathStubLib.c
 	$(cc32) $(STUB_CFLAGS) -Zl -DSTATIC_BUILD $(TCL_INCLUDES) -Fo$@ $?
 
+$(TMP_DIR)\tclsh.exe.manifest: $(WINDIR)\tclsh.exe.manifest.in
+	@nmakehlp -s << $** >$@
+@MACHINE@	  $(MACHINE:IX86=X86)
+@TCL_WIN_VERSION@  $(TCL_DOTVERSION).0.0
+<<
+
 #---------------------------------------------------------------------
 # Generate the source dependencies.  Having dependency rules will
 # improve incremental build accuracy without having to resort to a
@@ -1047,12 +1053,14 @@ $<
 <<
 
 {$(WINDIR)}.rc{$(TMP_DIR)}.res:
-	$(rc32) -fo $@ -r -i "$(GENERICDIR)" \
+	$(rc32) -fo $@ -r -i "$(GENERICDIR)" -i "$(TMP_DIR)" \
 	    -d DEBUG=$(DEBUG) -d UNCHECKED=$(UNCHECKED) \
 	    -d TCL_THREADS=$(TCL_THREADS) \
 	    -d STATIC_BUILD=$(STATIC_BUILD) \
 	    $<
 
+$(TMP_DIR)\tclsh.res: $(TMP_DIR)\tclsh.exe.manifest
+
 .SUFFIXES:
 .SUFFIXES:.c .rc
 
diff --git a/win/tcl.m4 b/win/tcl.m4
index 42d2afd..da86c37 100644
--- a/win/tcl.m4
+++ b/win/tcl.m4
@@ -247,7 +247,7 @@ AC_DEFUN([SC_PATH_TKCONFIG], [
 #
 # Results:
 #
-#	Subst the following vars:
+#	Substitutes the following vars:
 #		TCL_BIN_DIR
 #		TCL_SRC_DIR
 #		TCL_LIB_FILE
diff --git a/win/tclWin32Dll.c b/win/tclWin32Dll.c
index a72b760..634e1d2 100644
--- a/win/tclWin32Dll.c
+++ b/win/tclWin32Dll.c
@@ -181,11 +181,11 @@ void
 TclWinInit(
     HINSTANCE hInst)		/* Library instance handle. */
 {
-    OSVERSIONINFO os;
+    OSVERSIONINFOW os;
 
     hInstance = hInst;
-    os.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
-    GetVersionEx(&os);
+    os.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
+    GetVersionExW(&os);
     platformId = os.dwPlatformId;
 
     /*
diff --git a/win/tclWinConsole.c b/win/tclWinConsole.c
index a2d0e40..bd7f0e3 100644
--- a/win/tclWinConsole.c
+++ b/win/tclWinConsole.c
@@ -800,7 +800,7 @@ ConsoleOutputProc(
 	 * the channel is in non-blocking mode.
 	 */
 
-	errno = EAGAIN;
+	errno = EWOULDBLOCK;
 	goto error;
     }
 
@@ -1079,7 +1079,7 @@ WaitForRead(
 	     * is in non-blocking mode.
 	     */
 
-	    errno = EAGAIN;
+	    errno = EWOULDBLOCK;
 	    return -1;
 	}
 
diff --git a/win/tclWinError.c b/win/tclWinError.c
index 49eeed3..4d3250d 100644
--- a/win/tclWinError.c
+++ b/win/tclWinError.c
@@ -292,7 +292,7 @@ static const unsigned char errorTable[] = {
  */
 
 static const unsigned char wsaErrorTable[] = {
-    EAGAIN,		/* WSAEWOULDBLOCK */
+    EWOULDBLOCK,	/* WSAEWOULDBLOCK */
     EINPROGRESS,	/* WSAEINPROGRESS */
     EALREADY,		/* WSAEALREADY */
     ENOTSOCK,		/* WSAENOTSOCK */
diff --git a/win/tclWinInit.c b/win/tclWinInit.c
index d82944e..7b027c5 100644
--- a/win/tclWinInit.c
+++ b/win/tclWinInit.c
@@ -530,7 +530,7 @@ TclpSetVariables(
 	SYSTEM_INFO info;
 	OemId oemId;
     } sys;
-    OSVERSIONINFOA osInfo;
+    OSVERSIONINFOW osInfo;
     Tcl_DString ds;
     TCHAR szUserName[UNLEN+1];
     DWORD cchUserNameLen = UNLEN;
@@ -538,8 +538,8 @@ TclpSetVariables(
     Tcl_SetVar2Ex(interp, "tclDefaultLibrary", NULL,
 	    TclGetProcessGlobalValue(&defaultLibraryDir), TCL_GLOBAL_ONLY);
 
-    osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
-    GetVersionExA(&osInfo);
+    osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
+    GetVersionExW(&osInfo);
 
     GetSystemInfo(&sys.info);
 
diff --git a/win/tclWinPipe.c b/win/tclWinPipe.c
index 88497d2..b0e830f 100644
--- a/win/tclWinPipe.c
+++ b/win/tclWinPipe.c
@@ -1884,7 +1884,7 @@ PipeClose2Proc(
 		SetEvent(pipePtr->stopWriter);
 
 		if (WaitForSingleObject(pipePtr->writable, 0) == WAIT_TIMEOUT) {
-		    return EAGAIN;
+		    return EWOULDBLOCK;
 		}
 
 	    } else {
@@ -2161,7 +2161,7 @@ PipeOutputProc(
 	 * the channel is in non-blocking mode.
 	 */
 
-	errno = EAGAIN;
+	errno = EWOULDBLOCK;
 	goto error;
     }
 
@@ -2712,7 +2712,7 @@ WaitForRead(
 	     * is in non-blocking mode.
 	     */
 
-	    errno = EAGAIN;
+	    errno = EWOULDBLOCK;
 	    return -1;
 	}
 
diff --git a/win/tclWinSerial.c b/win/tclWinSerial.c
index 9961b01..2d12fe1 100644
--- a/win/tclWinSerial.c
+++ b/win/tclWinSerial.c
@@ -932,7 +932,7 @@ SerialInputProc(
 		    bufSize = cStat.cbInQue;
 		}
 	    } else {
-		errno = *errorCode = EAGAIN;
+		errno = *errorCode = EWOULDBLOCK;
 		return -1;
 	    }
 	} else {
@@ -1034,7 +1034,7 @@ SerialOutputProc(
 	 * the channel is in non-blocking mode.
 	 */
 
-	errno = EAGAIN;
+	errno = EWOULDBLOCK;
 	goto error1;
     }
 
diff --git a/win/tclWinSock.c b/win/tclWinSock.c
index 798c8cd..4b50914 100644
--- a/win/tclWinSock.c
+++ b/win/tclWinSock.c
@@ -1131,10 +1131,9 @@ CreateSocket(
     int asyncConnect = 0;	/* Will be 1 if async connect is in
 				 * progress. */
     unsigned short chosenport = 0;
-    void *addrlist = NULL, *myaddrlist = NULL;
-    struct addrinfo *addrPtr;
+    struct addrinfo *addrlist = NULL, *addrPtr;
 				/* Socket address to connect to. */
-    struct addrinfo *myaddrPtr;
+    struct addrinfo *myaddrlist = NULL, *myaddrPtr;
 				/* Socket address for our side. */
     const char *errorMsg = NULL;
     SOCKET sock = INVALID_SOCKET;
@@ -1317,8 +1316,9 @@ CreateSocket(
 
 		if (connect(sock, addrPtr->ai_addr, addrPtr->ai_addrlen)
 			== SOCKET_ERROR) {
-		    TclWinConvertError((DWORD) WSAGetLastError());
-		    if (Tcl_GetErrno() != EAGAIN) {
+		    DWORD error = (DWORD) WSAGetLastError();
+		    if (error != WSAEWOULDBLOCK) {
+			TclWinConvertError(error);
 			goto looperror;
 		    }
 
@@ -1359,10 +1359,10 @@ CreateSocket(
     }
 
   error:
-    if (addrlist == NULL) {
+    if (addrlist != NULL) {
 	freeaddrinfo(addrlist);
     }
-    if (myaddrlist == NULL) {
+    if (myaddrlist != NULL) {
 	freeaddrinfo(myaddrlist);
     }
 
@@ -1441,7 +1441,7 @@ WaitForSocketEvent(
 	} else if (infoPtr->readyEvents & events) {
 	    break;
 	} else if (infoPtr->flags & SOCKET_ASYNC) {
-	    *errorCodePtr = EAGAIN;
+	    *errorCodePtr = EWOULDBLOCK;
 	    result = 0;
 	    break;
 	}
@@ -1926,7 +1926,7 @@ TcpOutputProc(
 	if (error == WSAEWOULDBLOCK) {
 	    infoPtr->readyEvents &= ~(FD_WRITE);
 	    if (infoPtr->flags & SOCKET_ASYNC) {
-		*errorCodePtr = EAGAIN;
+		*errorCodePtr = EWOULDBLOCK;
 		bytesWritten = -1;
 		break;
 	    }
diff --git a/win/tclsh.exe.manifest.in b/win/tclsh.exe.manifest.in
new file mode 100644
index 0000000..aaa34e1
--- /dev/null
+++ b/win/tclsh.exe.manifest.in
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"
+	xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+    <assemblyIdentity
+	    version="@TCL_WIN_VERSION@"
+	    processorArchitecture="@MACHINE@"
+	    name="Tcl.tclsh"
+	    type="win32"
+	/>
+    <description>Tcl command line shell (tclsh)</description>
+    <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+	<security>
+	    <requestedPrivileges>
+		<requestedExecutionLevel
+			level="asInvoker"
+			uiAccess="false"
+		    />
+	    </requestedPrivileges>
+	</security>
+    </trustInfo>
+    <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+	<application>
+	    <!-- Windows 8.1 -->
+	    <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
+	    <!-- Windows 8 -->
+	    <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
+	    <!-- Windows 7 -->
+	    <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
+	    <!-- Windows Vista -->
+	    <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/>
+	</application>
+    </compatibility>
+</assembly>
diff --git a/win/tclsh.rc b/win/tclsh.rc
index 6e1114d..3dc0344 100644
--- a/win/tclsh.rc
+++ b/win/tclsh.rc
@@ -1,3 +1,4 @@
+//
 // Version Resource Script
 //
 
@@ -67,3 +68,15 @@ END
 //
 
 tclsh                      ICON    DISCARDABLE     "tclsh.ico"
+
+//
+// This is needed for Windows 8.1 onwards.
+//
+
+#ifndef RT_MANIFEST
+#define RT_MANIFEST     24
+#endif
+#ifndef CREATEPROCESS_MANIFEST_RESOURCE_ID
+#define CREATEPROCESS_MANIFEST_RESOURCE_ID 1
+#endif
+CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST "tclsh.exe.manifest"