[vtkusers] building VTK with Tcl

[Wolfram H Volpi]

What is the usual procedure for adding a class to VTK?
I have tried the two procedures listed below.

The first procedure takes 50 minutes to add a new class,
Does it always take 50 minutes to add a new class?
	1) Delete vtkbin.
	2) add new class to makefile.in.
	3) run pcmaker.
	4) run nmake (builds for 50 minutes and links fine).

The second procedure takes a minute, but gets a link error.
Does this procedure normally work? 
	1) Start with a VTK installation that is already built and
working.
	2) Add new class to makefile.in.
	3) run pcmaker.
	4) run nmake (gets link error listed below).
	Creating library ..\lib/vtktcl.lib and object ..\lib/vtktcl.exp

vtktclgraphicsobjs.lib(vtkAttributeDataToFieldDataFilterTcl.obj) : error
LNK2001

Thank you,
Wolfv.