Will binaries built in 10.6 still run in 10.5?

[Nikos Chantziaras]

On 10/04/2010 09:07 PM, Brandon S Allbery KF8NH wrote:
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> On 10/3/10 21:21 , Nikos Chantziaras wrote:
>> Thanks, Ryan.  I suppose I will need to find someone who has a 10.5
>> installation to do a sanity check for me before I release any binaries
>> tagged with "OS X 10.5 and newer".
>
> Distributing binaries built via MacPorts tends to be a bad idea:  not only
> do you need to make sure to distribute the files from any dependencies as
> well as your binary, but the result will likely interfere with an installed
> MacPorts or Fink on the installer's machine.

I link the *.a static libs into my executable and then test if it works. 
  Then I do a "mv /opt/local /opt/local_disable" and test again.  It 
works :)  Though only for Intel.  The PPC code crashes at some point 
(regardless of the presence of /opt/local).