close $secretfd

		## Compute basic key	
		set key [list $secret $build_platform $cache_tcl_version $cache_kitcreator_version $build_packages]

		## Update key with options in deterministic order
		foreach option [lsort -dictionary [array names build_options]] {
			switch -- $option {
				"threaded" - "kitdll" {
					# For boolean options, skip them if they are not enabled
					if {!$build_options($option)} {
						continue
					}
				}
			}
			lappend key [list "option:$option" $build_options($option)]
		}

		## Convert key to a user-consumable string via hashing
		set key [string tolower [sha1::sha1 -hex $key]]

		# Determine filename

<?  foreach package [lsort -dictionary [array names packages]] { ?>
            <input type="checkbox" name="option_package_<? puts -nonewline $package ?>" id="option_package_<? puts -nonewline $package ?>">Package: <? puts -nonewline $packages($package) ?><br>
<? } ?>
            <input type="checkbox" name="option_threaded">Kit: Threaded<br>
            <input type="checkbox" name="option_kitdll">Kit: Build Library (KitDLL)<br>
          </td>
        </tr>
<!--
        <tr>
          <td>Kit Icon:</td>
          <td>
            <input type="file" name="option_icon">
          </td>
        </tr>
        <tr>
          <td>Description:</td>
          <td>
            <input type="text" name="option_desc">
          </td>
        </tr>
-->
      </table>
      <input type="submit" name="submit" value="Create">
    </form>
  </body>
</html><? } ?>