Will binaries built in 10.6 still run in 10.5?

[Nikos Chantziaras]

On 10/04/2010 11:28 PM, Ryan Schmidt wrote:
>
> On Oct 4, 2010, at 14:27, Harry van der Wolf wrote:
>
>> 2010/10/4 Jeremy Huddleston<jeremyhu at macports.org>
>>
>>> gcc-4.2 is the default compiler in Snow Leopard for all supported architectures.  One of my systems is 32bit, and I've never had a problem using it.  What problems are you seeing when using gcc-4.2.1?
>>
>> 32bit ppc or 32bit Intel?
>
> Obviously, if it's running Snow Leopard, it's Intel. Snow Leopard does not run on PowerPC computers.

I suppose what is meant here is whether the 32bit ppc code generated by 
10.6 runs OK on PowerPCs.  They obviously run 10.5 or lower, but 10.6 
still supports generating code for them just fine.