[CMake] cmake 2.6.4 won't find boost 1.40 on windows

[Bill Hoffman]

Ingolf Steinbach wrote:
> 2009/9/18 John Drescher <drescherjm at gmail.com>:
>> It's difficult on windows since there is no standard location for
>> stuff like this.
> 
> Seconded.
> 
>> What is the FindBoost to do search all paths that
>> are valid for the current user?
> 
> Nevertheless, there *are* some hard-coded paths in FindBoost
> (C:\boost, %ProgramFiles%\boost being among them). I think those are
> sufficiently "standard" that FindBoost could try a bit harder in
> searching them -- especially when one of these folders does exist in
> the file system. But part of the problem is probably the Boost
> documentation not recommending some reasonable choices of destinations
> for the installation,
> 

If someone has a reasonable set of places to look we can add them. Does 
the boost installer set any registry values?

-Bill