Sorry, I think my question wasn't clear enough. I was actually asking for 
the environment variable dependencies. I already found the place where the 
registry keys regarding VS are retrieved, but either the read routines for 
retrieving the registry keys depend on some environment variables or CMake 
is reading them itself which causes it to fail when running with empty 
environment. So let me rephrase the question like this: Are there 
hardcoded environment variable dependencies in CMake's source code that 
you are aware of or is all of the VS compiler identification logic 
implemented in the .cmake module files? In the latter case I could just 
work around my issue by patching these files. Otherwise I'd be out of 
luck.
Mit freundlichen Grüßen / Best regards

Johannes Asal
Entwicklungsingenieur Software | Identification & Measuring
Research & Development

SICK AG | Nimburger Str. 11 | 79276 Reute | Germany
Phone  +49 7641 469-1460 | Fax  | mailto:[email protected] | 
http://www.sick.de

SICK AG  |  Sitz: Waldkirch i. Br.  |  Handelsregister: Freiburg i. Br. HRB 
280355 
Vorstand: Dr. Robert Bauer (Vorsitzender)  |  Reinhard Bösl  |  Dr. Mats 
Gökstorp  |  Dr. Martin Krämer  |  Markus Vatter
Aufsichtsrat: Gisela Sick (Ehrenvorsitzende)  |  Klaus M. Bukenberger 
(Vorsitzender)
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