Will binaries built in 10.6 still run in 10.5?

[Nikos Chantziaras]

On 10/04/2010 03:44 AM, Ryan Schmidt wrote:
> On Oct 3, 2010, at 17:15, Nikos Chantziaras wrote:
>
>> I noticed (by means of ps) that when ports builds something, I see this flag passed around: "-mmacosx-version-min=10.6" :-/  Am I in trouble?  I need the binaries to work on 10.5 too.
>
> Then you need to set that in macports.conf. This was discussed here recently:
>
> http://lists.macosforge.org/pipermail/macports-users/2010-September/021880.html
>
> Note that this won't necessarily work for all ports. The most reliable way to get software built that runs on e.g. 10.5 is to build it on 10.5.

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".