RFC: cxxsupp test linkage on synth linux

[Jonathan Larmour]

Gary Thomas wrote:
>>
>>But why haven't people noticed this before? Versions of GCC 3.x before GCC 
>>3.2.1 wouldn't work unless people were going back as far as gcc 2.9x.
> 
> 
> Which was the case, at least to RH7.3

Ah, I suppose it was indeed only RH8 that switched to GCC3.2 (no .1). 
That's still been out for 8 months though.

>>So I'd like some feedback that this patch is okay before I check it in.
>>
> 
> 
> What happens if that library isn't present?

The link will barf that it can't find the library, hence my concern about 
just checking this in. Obviously with the ifdef it will only match GCC 3.x 
anyway.

Just FAOD, with this change the cxxsupp test runs okay too.

Jifl
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