#
    if {![isEagle]} then {
      error "already running in Tcl language"
    }

    #
    # NOTE: Load a native Tcl library.  It absolutely must be signed with a
    #       valid Authenticode signature.
    #       valid Authenticode signature.  Other than that, it should also
    #       be easily loadable.
    #
    tcl load -findflags +TrustedOnly -loadflags +SetDllDirectory
    tcl load -findflags +TrustedOnly -robustify
    # tcl load -findflags =Typical -loadflags +SetDllDirectory

    #
    # NOTE: Verify that the native Tcl library appears to have beed loaded
    #       into this interpreter.
    #
    tclMustBeReady
  }

    #
    variable autoLoadTcl; # DEFAULT: <automatic>

    if {![info exists autoLoadTcl]} then {
      #
      # TODO: Better automatic detection of native Tcl installs here?
      #
      if {[isEagle] && \
          [catch {tcl select -flags +TrustedOnly -architecture}] == 0} then {
      if {[isEagle] && [catch {
        tcl select -flags +TrustedOnly -robustify -architecture
      }] == 0} then {
        set autoLoadTcl true
      } else {
        set autoLoadTcl false
      }
    }

    #