File is not of required architecture

[Hans Aberg]

On 13 Nov 2009, at 21:41, Torbjorn Granlund wrote:

>>  When I try to link with my program, I get
>>
>>  warning: file is not of required architecture
>>
>>  Can you advise?

> My only feeble guess is that there is an ABI clash.  Apple's various
> compiler releases default to different ABIs, but GMP tries to use the
> fastest one, which is typically invoked by passing -m64.  You need the
> same ABI for your program.

Yes, the error means that one tries to link code of different  
architectures. On 10.5, gcc defaults to 32-bit, and on 10.6 to 64-bit.

   Hans