@@ -1,1 +1,160 @@
-builtin(include,config/tcl.m4)
+builtin(include,tclconfig/tcl.m4)
+
+#------------------------------------------------------------------------
+# TLS_SSL_DIR --
+#
+#	Locate the installed ssl files
+#
+# Arguments:
+#	None.
+#
+# Requires:
+#	CYGPATH must be set
+#
+# Results:
+#
+#	Adds a --with-ss-dir switch to configure.
+#	Result is cached.
+#
+#	Substs the following vars:
+#		SSL_DIR
+#------------------------------------------------------------------------
+
+AC_DEFUN(TLS_CHECK_SSL, [
+
+#--------------------------------------------------------------------
+# If the variable OPENSSL is set, we will build with the OpenSSL
+# libraries.  If it is not set, then we will use RSA BSAFE SSL-C
+# libraries instead of the default OpenSSL libaries.
+#--------------------------------------------------------------------
+
+    AC_ARG_ENABLE(bsafe, [  --enable-bsafe          Use RSA BSAFE SSL-C libs.  Default is to use OpenSSL libs], OPENSSL="", OPENSSL="1")
+
+#--------------------------------------------------------------------
+# Establish the location of the root directory for OpenSSL.
+# If we're not using OpenSSL, set the root for BSAFE SSL-C.
+# If we're using BSAFE, define the BSAFE compiler flag.
+# The "FLAT_INC" flag is used in the BSAFE ssl.h header file and
+# doesn't seem to be referenced anywhere else.
+#--------------------------------------------------------------------
+    if test -n "${OPENSSL}"; then
+	SSL_DIR='/usr/local/ssl'
+	AC_DEFINE(NO_IDEA)
+	AC_DEFINE(NO_RC5)
+    else
+	SSL_DIR='/use/local/sslc'
+	AC_DEFINE(BSAFE)
+	AC_DEFINE(FLAT_INC)
+    fi
+    
+    AC_MSG_CHECKING([for SSL directory])
+
+    AC_ARG_WITH(ssl-dir, [  --with-ssl-dir=DIR      SSL root directory], with_ssldir=${withval})
+
+    AC_CACHE_VAL(ac_cv_c_ssldir, [
+	# Use the value from --with-ssl-dir, if it was given
+	if test x"${with_ssldir}" != x ; then
+	    if test -d "${with_ssldir}" ; then
+		ac_cv_c_ssldir=${with_ssldir}
+	    else
+		AC_MSG_ERROR([${with_ssldir} is not a valid directory])
+	    fi
+	else
+	    list="`ls -d ${SSL_DIR} 2>/dev/null`"
+	    for i in $list ; do
+		if test -d "$i" ; then
+		    ac_cv_c_ssldir=$i
+		    break
+		fi
+	    done
+	fi
+    ])
+
+    # Print a message based on how we determined the include path
+
+    if test x"${ac_cv_c_ssldir}" = x ; then
+	AC_MSG_ERROR([Could not find SSL directory.
+Please specify its location with --with-ssl-dir])
+    else
+	SSL_DIR=${ac_cv_c_ssldir}
+	AC_MSG_RESULT([${SSL_DIR}])
+    fi
+
+    #--------------------------------------------------------------------
+    # If we're using RSA BSAFE SSL-C, we need to establish what platform
+    # we're running on before we can figure out some paths.
+    # This step isn't necessary if we're using OpenSSL.
+    #--------------------------------------------------------------------
+
+    if test -z "${OPENSSL}"; then
+	AC_MSG_CHECKING(host type)
+	case "`uname -s`" in
+	    *win32* | *WIN32* | *CYGWIN_NT*|*CYGWIN_98*|*CYGWIN_95*)
+		PLATFORM=WIN32
+		;;
+	    *SunOS*)
+		PLATFORM=SOLARIS
+		;;
+	    HP-UX)
+		PLATFORM=HPUX
+		;;
+	    *)
+		PLATFORM=LINUX
+		;;
+	esac
+	AC_MSG_RESULT(${PLATFORM})
+    fi
+
+    #--------------------------------------------------------------------
+    # The OpenSSL and BSAFE SSL-C directory structures differ.
+    #--------------------------------------------------------------------
+
+    if test -n "${OPENSSL}"; then
+	SSL_LIB_DIR=${SSL_DIR}/lib
+	SSL_INCLUDE_DIR=${SSL_DIR}/include
+	if test ! -f "${SSL_INCLUDE_DIR}/openssl/opensslv.h"; then
+	    AC_ERROR([bad ssl-dir: cannot find openssl/opensslv.h under ${SSL_INCLUDE_DIR}])
+	fi
+    else
+	SSL_LIB_DIR=${SSL_DIR}/${PLATFORM}/library/lib
+	SSL_INCLUDE_DIR=${SSL_DIR}/${PLATFORM}/library/include
+	if test ! -f "${SSL_INCLUDE_DIR}/crypto.h"; then
+	    AC_ERROR([bad ssl-dir: cannot find crypto.h under ${SSL_INCLUDE_DIR}])
+	fi
+    fi
+
+    AC_SUBST(SSL_DIR)
+    AC_SUBST(SSL_LIB_DIR)
+    AC_SUBST(SSL_INCLUDE_DIR)
+
+    SSL_INCLUDE_DIR_NATIVE=\"`${CYGPATH} ${SSL_INCLUDE_DIR}`\"
+    AC_SUBST(SSL_INCLUDE_DIR_NATIVE)
+
+    #--------------------------------------------------------------------
+    # If OpenSSL was built with gcc then there may be some symbols that need
+    # resolving before we can load it into tclsh (__udivd3i on solaris.
+    # Let the user specify if we need to add libgcc to the link line to
+    # resolve these symbols.
+    #
+    # This doesn't seem to be necessary if the RSA BSAFE SSL-C libraries
+    # are used instead of OpenSSL.
+    #--------------------------------------------------------------------
+    
+    if test -n "${OPENSSL}"; then
+
+	AC_MSG_CHECKING(if libgcc is needed to resolve openssl symbols)
+
+	AC_ARG_WITH(gcclib, [  --with-gcclib	       link with libgcc to resolve symbols in a gcc-built openssl library], GCCLIB="-lgcc", GCCLIB="")
+
+	if test "x${GCCLIB}" = "x" ; then
+	    AC_MSG_RESULT(no)
+	else
+	    AC_MSG_RESULT(yes)
+	    AC_MSG_CHECKING(for gcc library location)
+	    GCCPATH=`${CC} -print-libgcc-file-name | sed -e 's#[^/]*$##'`
+	    GCCPATH="-L${GCCPATH}"
+	    AC_MSG_RESULT(${GCCPATH})
+	fi
+    fi
+
+])