Hi Tom,

I omitted -march (didn't have -mcpu), but unfortunately exactly same error.

Now recompiling g++ 4.4.7 from source as per suggestion from Jeff Hammond.

Danny

On 29/11/2016, at 8:19 PM, Tom Hughes wrote:

>> For -march I've tried 'native', 'pentiumpro' and 'core2'.
>> When compiling for valgrind, also -O0.
> 
> Well native is definitely not going to work, and core2 might be pushing it, 
> but pentiumpro should be fine. To be honest just leaving out -march and -mcpu 
> should be ok as it will default to something relatively basic.

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