currently it runs in 32b mode. we've had quite a bit of trouble trying to get the 3rd party libs (tcl/tk/tix/blt and mni) to build as 64b on the mac (but no problems on linux), which has prevented getting a true 64b mac build going. still working on it....

n.

On Mon, 2011-01-10 at 09:01 +0100, Ed Gronenschild wrote:

Hi,

The Mac OSX 10.6 version offers the possibility to run in 64 bits mode (by pressing simultaneously the 6 and 4 keys during startup). I was wondering if Freesurfer can be used in 64 bits mode? In other words: does it use the 64 bits or does it run only in compatibility mode and in fact in 32 bits mode?

Ed

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