[ccp4bb]: Recompiling CNS ??

[Rajeswari Edayathumangalam <raji@lamar.colostate.edu>]

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Hello Everyone,
Sorry, this is a non-CCP4 query....
I am trying to merge 2 molecules using the CNS
script,'merge_structures,inp'. 
However, the MAXA parameter (I think, the max. no. of atoms) has been
set to 40000 and my molecules when merged exceed that limit.
CNS gives me a message saying that the "MAXA parameter has been exceeded
---> recompile program". 
CNS FAQ also suggests that I recompile the program but it's not apparent
to me as to how and where I can do it..... 
Would someone know where and how I can recompile the MAXA parameter?? I
can't find it in the merge_structures.inp file.
Thanks a ton for your help.
Raji