Index: Makefile.in
==================================================================
--- Makefile.in
+++ Makefile.in
@@ -325,11 +325,11 @@
 # Create default DH parameters
 dh_params.h: @srcdir@/gen_dh_params Makefile
 	sh @srcdir@/gen_dh_params @GEN_DH_PARAMS_ARGS@ > dh_params.h.new
 	mv dh_params.h.new dh_params.h
 
-tls.o:	dh_params.h
+tls.o:	dh_params.h tlsUuid.h
 
 $(srcdir)/manifest.uuid:
 	printf "git-" >$(srcdir)/manifest.uuid
 	(cd $(srcdir); git rev-parse HEAD >>$(srcdir)/manifest.uuid || \
 	    (printf "svn-r" >$(srcdir)/manifest.uuid ; \

Index: generic/tls.c
==================================================================
--- generic/tls.c
+++ generic/tls.c
@@ -22,10 +22,11 @@
  *
  */
 
 #include "tlsInt.h"
 #include "tclOpts.h"
+#include "tlsUuid.h"
 #include <stdlib.h>
 
 /* Min OpenSSL version */
 #if OPENSSL_VERSION_NUMBER < 0x10101000L
 #error "Only OpenSSL v1.1.1 or later is supported"
@@ -1736,18 +1737,25 @@
  * Side effects:
  *	 create the ssl command, initialise ssl context
  *
  *-------------------------------------------------------------------
  */
+
+#ifndef STRINGIFY
+#  define STRINGIFY(x) STRINGIFY1(x)
+#  define STRINGIFY1(x) #x
+#endif
+
+static const char tlsTclInitScript[] = {
+#include "tls.tcl.h"
+    0x00
+};
 
 DLLEXPORT int Tls_Init(
     Tcl_Interp *interp)
 {
-    const char tlsTclInitScript[] = {
-#include "tls.tcl.h"
-	    0x00
-    };
+    Tcl_CmdInfo info;
 
     dprintf("Called");
 
 	/*
 	 * We only support Tcl 8.6 or newer
@@ -1768,14 +1776,73 @@
     Tcl_CreateObjCommand(interp, "tls::status", StatusObjCmd, NULL, 0);
     Tcl_CreateObjCommand(interp, "tls::version", VersionObjCmd, NULL, 0);
     Tcl_CreateObjCommand(interp, "tls::misc", MiscObjCmd, NULL, 0);
 
     if (interp) {
-	Tcl_Eval(interp, tlsTclInitScript);
+	if (Tcl_Eval(interp, tlsTclInitScript) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+    }
+
+    if (Tcl_GetCommandInfo(interp, "::tcl::build-info", &info)) {
+	Tcl_CreateObjCommand(interp, "::tls::build-info",
+		info.objProc, (void *)(
+		    PACKAGE_VERSION "+" STRINGIFY(TLS_VERSION_UUID)
+#if defined(__clang__) && defined(__clang_major__)
+			    ".clang-" STRINGIFY(__clang_major__)
+#if __clang_minor__ < 10
+			    "0"
+#endif
+			    STRINGIFY(__clang_minor__)
+#endif
+#if defined(__cplusplus) && !defined(__OBJC__)
+			    ".cplusplus"
+#endif
+#ifndef NDEBUG
+			    ".debug"
+#endif
+#if !defined(__clang__) && !defined(__INTEL_COMPILER) && defined(__GNUC__)
+			    ".gcc-" STRINGIFY(__GNUC__)
+#if __GNUC_MINOR__ < 10
+			    "0"
+#endif
+			    STRINGIFY(__GNUC_MINOR__)
+#endif
+#ifdef __INTEL_COMPILER
+			    ".icc-" STRINGIFY(__INTEL_COMPILER)
+#endif
+#ifdef TCL_MEM_DEBUG
+			    ".memdebug"
+#endif
+#if defined(_MSC_VER)
+			    ".msvc-" STRINGIFY(_MSC_VER)
+#endif
+#ifdef USE_NMAKE
+			    ".nmake"
+#endif
+#ifndef TCL_CFG_OPTIMIZED
+			    ".no-optimize"
+#endif
+#ifdef __OBJC__
+			    ".objective-c"
+#if defined(__cplusplus)
+			    "plusplus"
+#endif
+#endif
+#ifdef TCL_CFG_PROFILED
+			    ".profile"
+#endif
+#ifdef PURIFY
+			    ".purify"
+#endif
+#ifdef STATIC_BUILD
+			    ".static"
+#endif
+		), NULL);
     }
 
-    return(Tcl_PkgProvide(interp, "tls", PACKAGE_VERSION));
+    return Tcl_PkgProvideEx(interp, "tls", PACKAGE_VERSION, NULL);
 }
 
 /*
  *------------------------------------------------------*
  *

Index: win/makefile.vc
==================================================================
--- win/makefile.vc
+++ win/makefile.vc
@@ -49,22 +49,33 @@
 	"$(SSL_INSTALL_FOLDER)\lib\libssl.lib" \
 	"$(SSL_INSTALL_FOLDER)\lib\libcrypto.lib" \
 	WS2_32.LIB GDI32.LIB ADVAPI32.LIB CRYPT32.LIB USER32.LIB
 
 # Define the standard targets
-!include "targets.vc"
+!include "$(_RULESDIR)\targets.vc"
 
 # Project specific targets
 
 # We must define a pkgindex target that will create a pkgIndex.tcl
 # file in the $(OUT_DIR) directory. We can just redirect to the
 # default-pkgindex target for our sample extension.
 pkgindex: default-pkgindex
+
+$(ROOT)\manifest.uuid:
+   copy $(WIN_DIR)\gitmanifest.in $(ROOT)\manifest.uuid
+   git rev-parse HEAD >>$(ROOT)\manifest.uuid
+
+$(TMP_DIR)\tlsUuid.h:	$(ROOT)\manifest.uuid
+	copy $(WIN_DIR)\tlsUuid.h.in+$(ROOT)\manifest.uuid $(TMP_DIR)\tlsUuid.h
+
 
 # The default install target only installs binaries and scripts so add
 # an additional target for our documentation. Note this *adds* a target
 # since no commands are listed after it. The original targets for
 # install (from targets.vc) will remain.
 install: default-pkgindex-tea default-install default-install-docs-html
 
+# Explicit dependency rules
+$(GENERICDIR)\tls.c : $(GENERICDIR)\dh_params.h $(TMP_DIR)\tlsUuid.h
+
 # Test package
 test: default-test

ADDED   win/tlsUuid.h.in
Index: win/tlsUuid.h.in
==================================================================
--- /dev/null
+++ win/tlsUuid.h.in
@@ -0,0 +1,1 @@
+#define TLS_VERSION_UUID \