Index: acinclude.m4
==================================================================
--- acinclude.m4
+++ acinclude.m4
@@ -7,10 +7,11 @@
 #
 # Add here whatever m4 macros you want to define for your package
 #
 
 AC_DEFUN([TCLTLS_SSL_OPENSSL], [
+	dnl Determine if pkg-config tool is available
 	AC_CHECK_TOOL([PKG_CONFIG], [pkg-config])
 
 	dnl Disable support for TLS 1.0 protocol
 	AC_ARG_ENABLE([tls1], AS_HELP_STRING([--disable-tls1], [disable TLS1 protocol]), [
 		if test "${enableval}" == "no"; then
@@ -117,19 +118,18 @@
 		]
 	)
 	AC_MSG_CHECKING([for OpenSSL include directory])
 	AC_MSG_RESULT($opensslincludedir)
 
-	dnl Set SSL include vars
+	dnl Set SSL include variables
 	if test -n "$opensslincludedir"; then
+		AC_MSG_CHECKING([for ssl.h])
 		if test -f "$opensslincludedir/openssl/ssl.h"; then
 			TCLTLS_SSL_CFLAGS="-I$opensslincludedir"
 			TCLTLS_SSL_INCLUDES="-I$opensslincludedir"
-			AC_MSG_CHECKING([for ssl.h])
 			AC_MSG_RESULT([yes])
 		else
-			AC_MSG_CHECKING([for ssl.h])
 			AC_MSG_RESULT([no])
 			AC_MSG_ERROR([Unable to locate ssl.h])
 		fi
 	fi
 
@@ -139,11 +139,11 @@
 			[path to lib directory of OpenSSL or LibreSSL installation]
 		), [
 			openssllibdir="$withval"
 		], [
 			if test -n "$openssldir"; then
-				if test "$do64bit" == 'yes'; then
+				if test "$do64bit" == 'yes' -a -d $openssldir/lib64; then
 					openssllibdir="$openssldir/lib64"
 				else
 					openssllibdir="$openssldir/lib"
 				fi
 			else
@@ -152,17 +152,23 @@
 		]
 	)
 	AC_MSG_CHECKING([for OpenSSL lib directory])
 	AC_MSG_RESULT($openssllibdir)
 
-	dnl Set SSL lib vars
+	dnl Set SSL lib variables
 	SSL_LIBS_PATH=''
 	if test -n "$openssllibdir"; then
-		if test -f "$openssllibdir/libssl${SHLIB_SUFFIX}"; then
+		if test "${TCLEXT_TLS_STATIC_SSL}" == 'no'; then
+			LIBEXT=${SHLIB_SUFFIX}
+		else
+			LIBEXT='.a'
+		fi
+
+		if test -f "$openssllibdir/libssl${LIBEXT}"; then
 			SSL_LIBS_PATH="-L$openssllibdir"
 		else
-			AC_MSG_ERROR([Unable to locate libssl${SHLIB_SUFFIX}])
+			AC_MSG_ERROR([Unable to locate libssl${LIBEXT}])
 		fi
 	fi
 
 	dnl Set location of pkgconfig files
 	AC_ARG_WITH([openssl-pkgconfig],
@@ -179,12 +185,15 @@
 		]
 	)
 	AC_MSG_CHECKING([for OpenSSL pkgconfig])
 	AC_MSG_RESULT($opensslpkgconfigdir)
 
+	dnl Check if OpenSSL is available
+	USE_PKG_CONFIG=`"${PKG_CONFIG}" --list-package-names | grep openssl`
+
 	dnl Use pkg-config to find the library names
-	if test -n "${PKG_CONFIG}"; then
+	if test -n "${PKG_CONFIG}" -a -n "${USE_PKG_CONFIG}"; then
 		dnl Temporarily update PKG_CONFIG_PATH
 		PKG_CONFIG_PATH_SAVE="${PKG_CONFIG_PATH}"
 		if test -n "${opensslpkgconfigdir}"; then
 			if ! test -f "${opensslpkgconfigdir}/openssl.pc"; then
 				AC_MSG_ERROR([Unable to locate ${opensslpkgconfigdir}/openssl.pc])
@@ -212,11 +221,11 @@
 			TCLTLS_SSL_INCLUDES="`"${PKG_CONFIG}" openssl --cflags-only-I $pkgConfigExtraArgs`" || AC_MSG_ERROR([Unable to get OpenSSL Configuration])
 		fi
 		PKG_CONFIG_PATH="${PKG_CONFIG_PATH_SAVE}"
 	fi
 
-	dnl Fallback settings for OpenSSL includes and libs
+	dnl Use fall-back settings for OpenSSL include and library paths
 	if test -z "$TCLTLS_SSL_CFLAGS"; then
 		TCLTLS_SSL_CFLAGS=""
 	fi
 	if test -z "$TCLTLS_SSL_INCLUDES"; then
 		if test -f /usr/include/openssl/ssl.h; then

Index: configure
==================================================================
--- configure
+++ configure
@@ -5579,11 +5579,10 @@
     done
 
 
 
 #--------------------------------------------------------------------
-#
 # You can add more files to clean if your extension creates any extra
 # files by extending CLEANFILES.
 # Add pkgIndex.tcl if it is generated in the Makefile instead of ./configure
 # and change Makefile.in to move it from CONFIG_CLEAN_FILES to BINARIES var.
 #
@@ -5594,12 +5593,10 @@
 
     CLEANFILES="$CLEANFILES pkgIndex.tcl generic/tls.tcl.h tlsUuid.h"
 
 
 if test "${TEA_PLATFORM}" = "windows" ; then
-    printf "%s\n" "#define BUILD_tls 1" >>confdefs.h
-
 
     CLEANFILES="$CLEANFILES *.lib *.dll *.exp *.ilk *.pdb vc*.pch"
 
 else
 
@@ -9472,20 +9469,18 @@
 printf %s "checking for OpenSSL include directory... " >&6; }
 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $opensslincludedir" >&5
 printf "%s\n" "$opensslincludedir" >&6; }
 
 		if test -n "$opensslincludedir"; then
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ssl.h" >&5
+printf %s "checking for ssl.h... " >&6; }
 		if test -f "$opensslincludedir/openssl/ssl.h"; then
 			TCLTLS_SSL_CFLAGS="-I$opensslincludedir"
 			TCLTLS_SSL_INCLUDES="-I$opensslincludedir"
-			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ssl.h" >&5
-printf %s "checking for ssl.h... " >&6; }
 			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		else
-			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ssl.h" >&5
-printf %s "checking for ssl.h... " >&6; }
 			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 			as_fn_error $? "Unable to locate ssl.h" "$LINENO" 5
 		fi
 	fi
@@ -9498,11 +9493,11 @@
 			openssllibdir="$withval"
 
 else case e in #(
   e)
 			if test -n "$openssldir"; then
-				if test "$do64bit" == 'yes'; then
+				if test "$do64bit" == 'yes' -a -d $openssldir/lib64; then
 					openssllibdir="$openssldir/lib64"
 				else
 					openssllibdir="$openssldir/lib"
 				fi
 			else
@@ -9518,14 +9513,20 @@
 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $openssllibdir" >&5
 printf "%s\n" "$openssllibdir" >&6; }
 
 		SSL_LIBS_PATH=''
 	if test -n "$openssllibdir"; then
-		if test -f "$openssllibdir/libssl${SHLIB_SUFFIX}"; then
+		if test "${TCLEXT_TLS_STATIC_SSL}" == 'no'; then
+			LIBEXT=${SHLIB_SUFFIX}
+		else
+			LIBEXT='.a'
+		fi
+
+		if test -f "$openssllibdir/libssl${LIBEXT}"; then
 			SSL_LIBS_PATH="-L$openssllibdir"
 		else
-			as_fn_error $? "Unable to locate libssl${SHLIB_SUFFIX}" "$LINENO" 5
+			as_fn_error $? "Unable to locate libssl${LIBEXT}" "$LINENO" 5
 		fi
 	fi
 
 
 # Check whether --with-openssl-pkgconfig was given.
@@ -9549,11 +9550,13 @@
 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for OpenSSL pkgconfig" >&5
 printf %s "checking for OpenSSL pkgconfig... " >&6; }
 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $opensslpkgconfigdir" >&5
 printf "%s\n" "$opensslpkgconfigdir" >&6; }
 
-		if test -n "${PKG_CONFIG}"; then
+		USE_PKG_CONFIG=`"${PKG_CONFIG}" --list-package-names | grep openssl`
+
+		if test -n "${PKG_CONFIG}" -a -n "${USE_PKG_CONFIG}"; then
 				PKG_CONFIG_PATH_SAVE="${PKG_CONFIG_PATH}"
 		if test -n "${opensslpkgconfigdir}"; then
 			if ! test -f "${opensslpkgconfigdir}/openssl.pc"; then
 				as_fn_error $? "Unable to locate ${opensslpkgconfigdir}/openssl.pc" "$LINENO" 5
 			fi
@@ -9592,11 +9595,13 @@
 	fi
 	if test -z "$TCLTLS_SSL_LIBS"; then
 		if test "${TCLEXT_TLS_STATIC_SSL}" == 'no'; then
 		    TCLTLS_SSL_LIBS="$SSL_LIBS_PATH -lssl -lcrypto"
 		else
+		    # Linux and Solaris
 		    TCLTLS_SSL_LIBS="$SSL_LIBS_PATH -Wl,-Bstatic -lssl -lcrypto -Wl,-Bdynamic"
+		    # HPUX: -Wl,-a,archive ... -Wl,-a,shared_archive
 		fi
 	fi
 
 
 

Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -86,11 +86,10 @@
 #--------------------------------------------------------------------
 
 TEA_ADD_CLEANFILES([pkgIndex.tcl generic/tls.tcl.h tlsUuid.h])
 
 if test "${TEA_PLATFORM}" = "windows" ; then
-    AC_DEFINE(BUILD_tls)
     TEA_ADD_CLEANFILES([*.lib *.dll *.exp *.ilk *.pdb vc*.pch])
 else
     TEA_ADD_CLEANFILES([*.so])
 fi
 AC_SUBST(CLEANFILES)