Compiling GMP on OS X 10.6 (snow leopard)

Hans Aberg haberg at
Sat Oct 10 20:24:37 CEST 2009

On 10 Oct 2009, at 20:06, Hans Aberg wrote:

> Anyway, on 10.5 the Mach kernel is 32-bit, but on 10.6 64-bit,  
> though only the default on some computers according to this info:

I found a manpage for 'systemsetup' with arguments - 
getkernelbootarchitecturesetting and -setkernelbootarchitecture to get  
and set kernel 32-/64-bit booting, by altering  
in /Library/Preferences/SystemConfiguration. Reference 20 on the link  
said that third parties had made programs to manipulate this, but that  
seems to not be needed, then.


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