Tried on the Fossil head -- results were worse:

Description: Tcl fossil_trunk, KitCreator 0.11.1, Platform win32, Zip-kit, Threaded, Packages: tcllib, tdom, tk, tls

Log:

Running: export KITCREATOR_PKGS=" tcllib tdom tk tls "
Running: fossil_trunk --enable-kit-storage=zip --enable-threads
Building tcl ... failed.
./kitcreator: line 317: /tclConfig.sh: No such file or directory
Building tclvfs ... failed.
Building zlib ... done.
Building tcllib ... done.
Building tdom ... failed.
Building tk ... failed.
Building tls ... failed.
Building thread ... failed.
Building kitsh ... failed.
Failed to build: tcl tclvfs tdom tk tls thread kitsh
WARNING: Build is likely incomplete or failed.