Dear Freesurfer developers

I've just tried out the beta version of Freesurfer 6.0 on my Mac, which I downloaded from ftp://surfer.nmr.mgh.harvard.edu/pub/dist/freesurfer/dev/mainly because I need to use the mris_decimate function. However, issuing 

mris_decimate -d 0.25 inputfile outputfile

returns this error:

dyld: lazy symbol binding failed: Symbol not found: ___emutls_get_address
  Referenced from: /Applications/freesurfer/bin/../lib/gcc/lib/libgomp.1.dylib
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ___emutls_get_address
  Referenced from: /Applications/freesurfer/bin/../lib/gcc/lib/libgomp.1.dylib
  Expected in: /usr/lib/libSystem.B.dylib

Trace/BPT trap: 5

I'm running OS X 10.7, and I've seen similar errors reported on the mailing list relating to OS X compatibility problems. Is this the case here, and is there a mris_decimate binary that works on 10.7 that could be made available?

Many thanks in advance for your help
James