*
 * Side effects:
 *	 create the ssl command, initialise ssl context
 *
 *-------------------------------------------------------------------
 */

DLLEXPORT int Tls_Init(Tcl_Interp *interp) {
	const char tlsTclInitScript[] = {
#include "tls.tcl.h"
            0x00
	};

        dprintf("Called");

 *
 *	Result:
 *		A standard Tcl error code.
 *
 *------------------------------------------------------*
 */

DLLEXPORT int Tls_SafeInit(Tcl_Interp *interp) {
	dprintf("Called");
	return(Tls_Init(interp));
}

/*
 *------------------------------------------------------*
 *

#define _TLS_H

#include <tcl.h>

/*
 * Initialization routines -- our entire public C API.
 */
DLLEXPORT int Tls_Init(Tcl_Interp *interp);
DLLEXPORT int Tls_SafeInit(Tcl_Interp *interp);

#endif /* _TLS_H */

	Windows DLL Build instructions using nmake build system
	2020-10-15 Harald.Oehlmann@elmicron.de

Properties:
- 32 bit DLL
- VisualStudio 2015
Note: Vuisual C++ 6 does not build OpenSSL (long long syntax error)
- Cygwin32 (temporary helper, please help to replace by tclsh)
- OpenSSL statically linked to TCLTLS DLL.
Note: Dynamic linking also works but results in a DLL dependeny on OPENSSL DLL's

1) Build OpenSSL static libraries:

OpenSSL source distribtution unpacked in:
c:\test\tcltls\Openssl_1_1_1h

- Install Perl from http://strawberryperl.com/download/5.32.0.1/strawberry-perl-5.32.0.1-32bit.msi
  to C:\perl
  (ActivePerl failed due to missing 32 bit console module)
- Install NASM Assembler:

https://www.nasm.us/pub/nasm/releasebuilds/2.15.05/win32/nasm-2.15.05-installer-x86.exe
  to C:\Program Files (x86)\NASM
  
-> Visual Studio x86 native prompt.

set Path=%PATH%;C:\Program Files (x86)\NASM;C:\Perl\perl\bin

perl Configure VC-WIN32 --prefix=c:\test\tcltls\openssl --openssldir=c:\test\tcltls\openssldir no-shared no-filenames threads

nmake
nmake test
namke install

2) Build TCLTLS

Unzip distribution in:
c:\test\tcltls\tcltls-1.7.22

-> start cygwin bash prompt

cd /cygdrive/c/test/tcltls/tcltls-1.7.22
./gen_dh_params > dh_params.h

od -A n -v -t xC < 'tls.tcl' > tls.tcl.h.new.1
sed 's@[^0-9A-Fa-f]@@g;s@..@0x&, @g' < tls.tcl.h.new.1 > tls.tcl.h
rm -f tls.tcl.h.new.1

-> Visual Studio x86 native prompt.

cd C:\test\tcltls\tcltls-1.7.22\win

nmake -f makefile.vc TCLDIR=c:\test\tcl8610 SSL_INSTALL_FOLDER=C:\test\tcltls\openssl

nmake -f makefile.vc install TCLDIR=c:\test\tcl8610 INSTALLDIR=c:\test\tcltls SSL_INSTALL_FOLDER=C:\test\tcltls\openssl

tls.c: 
Lines 1779, 1839: replace
int Tls_Init by
DLLEXPORT int  Tls_Init

tls.h: same change

lappend auto_path {C:\test\tcltls\tls1.7.22}
package require tls

# call nmake with additional parameter SSL_INSTALL_FOLDER= with the
# OpenSSL instalation folder following.

PROJECT=tls
DOTVERSION = 1.7.22

PRJ_INCLUDES	= -I"$(SSL_INSTALL_FOLDER)\include"
PRJ_DEFINES =  -D NO_SSL2 -D NO_SSL3 -D _CRT_SECURE_NO_WARNINGS

PRJ_LIBS = \
	"$(SSL_INSTALL_FOLDER)\lib\libssl.lib" \
	"$(SSL_INSTALL_FOLDER)\lib\libcrypto.lib" \
	WS2_32.LIB GDI32.LIB ADVAPI32.LIB CRYPT32.LIB USER32.LIB

PRJ_OBJS = $(TMP_DIR)\tls.obj \
               $(TMP_DIR)\tlsBIO.obj \
               $(TMP_DIR)\tlsIO.obj \
               $(TMP_DIR)\tlsX509.obj

!include "rules-ext.vc"
!include "targets.vc"

pkgindex: default-pkgindex

#------------------------------------------------------------- -*- makefile -*-
# targets.vc --
#
# Part of the nmake based build system for Tcl and its extensions.
# This file defines some standard targets for the convenience of extensions
# and can be optionally included by the extension makefile.
# See TIP 477 (https://core.tcl-lang.org/tips/doc/trunk/tip/477.md) for docs.

$(PROJECT): setup pkgindex $(PRJLIB)

!ifdef PRJ_STUBOBJS
$(PROJECT): $(PRJSTUBLIB)
$(PRJSTUBLIB): $(PRJ_STUBOBJS)
	$(LIBCMD) $**

$(PRJ_STUBOBJS):
	$(CCSTUBSCMD) %s
!endif # PRJ_STUBOBJS

!ifdef PRJ_MANIFEST
$(PROJECT): $(PRJLIB).manifest
$(PRJLIB).manifest: $(PRJ_MANIFEST)
	@nmakehlp -s << $** >$@
@MACHINE@	  $(MACHINE:IX86=X86)
<<
!endif

!if "$(PROJECT)" != "tcl" && "$(PROJECT)" != "tk"
$(PRJLIB): $(PRJ_OBJS) $(RESFILE)
!if $(STATIC_BUILD)
       $(LIBCMD) $**
!else
       $(DLLCMD) $**
       $(_VC_MANIFEST_EMBED_DLL)
!endif
       -@del $*.exp
!endif

!if "$(PRJ_HEADERS)" != "" && "$(PRJ_OBJS)" != ""
$(PRJ_OBJS): $(PRJ_HEADERS)
!endif

# If parent makefile has defined stub objects, add their installation
# to the default install
!if "$(PRJ_STUBOBJS)" != ""
default-install: default-install-stubs
!endif

# Unlike the other default targets, these cannot be in rules.vc because
# the executed command depends on existence of macro PRJ_HEADERS_PUBLIC
# that the parent makefile will not define until after including rules-ext.vc
!if "$(PRJ_HEADERS_PUBLIC)" != ""
default-install: default-install-headers
default-install-headers:
	@echo Installing headers to '$(INCLUDE_INSTALL_DIR)'
	@for %f in ($(PRJ_HEADERS_PUBLIC)) do @$(COPY) %f "$(INCLUDE_INSTALL_DIR)"
!endif

!if "$(DISABLE_STANDARD_TARGETS)" == ""
DISABLE_STANDARD_TARGETS = 0
!endif

!if "$(DISABLE_TARGET_setup)" == ""
DISABLE_TARGET_setup = 0
!endif
!if "$(DISABLE_TARGET_install)" == ""
DISABLE_TARGET_install = 0
!endif
!if "$(DISABLE_TARGET_clean)" == ""
DISABLE_TARGET_clean = 0
!endif
!if "$(DISABLE_TARGET_test)" == ""
DISABLE_TARGET_test = 0
!endif
!if "$(DISABLE_TARGET_shell)" == ""
DISABLE_TARGET_shell = 0
!endif

!if !$(DISABLE_STANDARD_TARGETS)
!if !$(DISABLE_TARGET_setup)
setup: default-setup
!endif
!if !$(DISABLE_TARGET_install)
install: default-install
!endif
!if !$(DISABLE_TARGET_clean)
clean: default-clean
realclean: hose
hose: default-hose
distclean: realclean default-distclean
!endif
!if !$(DISABLE_TARGET_test)
test: default-test
!endif
!if !$(DISABLE_TARGET_shell)
shell: default-shell
!endif
!endif # DISABLE_STANDARD_TARGETS