How to disable CPP Boost on Visual 2010 ?

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All is in the title. For my project, I would need to avoid the Boost library. 
I've tried to disable it by commenting the 
#define HAVE_BOOST_UNORDERED_COLLECTIONS in "vcpp_config.h" 
but it doesn't compile in Visual 2010. I use the last version of Carve with the 
last updates. 
Is there a way to disable Boost correctly ?
Thank you.

Original issue reported on code.google.com by [email protected] on 18 Nov 2012 at 6:17