if {![package vsatisfies [package provide Tcl] 8.6]} {return}

package ifneeded tcl::transform::adler32 1     [list source [list [file join $dir adler32.tcl]]]
package ifneeded tcl::transform::base64 1      [list source [list [file join $dir base64.tcl]]]
package ifneeded tcl::transform::counter 1     [list source [list [file join $dir counter.tcl]]]
package ifneeded tcl::transform::crc32 1       [list source [list [file join $dir crc32.tcl]]]
package ifneeded tcl::transform::hex 1         [list source [list [file join $dir hex.tcl]]]
package ifneeded tcl::transform::identity 1    [list source [list [file join $dir identity.tcl]]]
package ifneeded tcl::transform::limitsize 1   [list source [list [file join $dir limitsize.tcl]]]
package ifneeded tcl::transform::observe 1     [list source [list [file join $dir observe.tcl]]]
package ifneeded tcl::transform::otp 1         [list source [list [file join $dir otp.tcl]]]
package ifneeded tcl::transform::rot 1         [list source [list [file join $dir rot.tcl]]]
package ifneeded tcl::transform::spacer 1      [list source [list [file join $dir spacer.tcl]]]
package ifneeded tcl::transform::zlib 1        [list source [list [file join $dir zlib.tcl]]]