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	9. KITCREATOR_MINBUILD
		Set this variable to a non-empty string to exclude unnecessary
		packages from Tcl build.  This excludes the following packages:
			tcltest

		Additionally, any bundled packages (in the "pkgs" directory)
		are excluded.  This typically includes (as of Tcl 8.6):
			itcl thread

Kitsh Configure Options:
	1. --enable-kit-storage={zip|mk4|auto}
		Specify which type of storage to use with the Tclkit.  The
		default is to auto-detect.  Auto-detection uses Mk4 if
		available and built statically, otherwise it falls back to Zip.

		if {[lsearch -exact $buildflags "threaded"] == -1} {
			set isthreaded 0
		} else {
			set isthreaded 1
		}
	}

	# Static builds don't come with threads.
	if {[lsearch -exact $buildflags "static"] != -1} {
	# Minimal builds don't come with threads.
	if {[lsearch -exact $buildflags "min"] != -1} {
		set isthreaded 0
	}

	if {!$isthreaded} {
		exit 0
	}