Re: Tiger gcc 4 builds apps that don't run on 10.2.8

FROM : j o a r
DATE : Mon May 02 08:37:54 2005

On 1 maj 2005, at 19.18, Will Cosgrove wrote:

> I've rebuilt my application on Tiger with gcc 4.0 and went to run 
> it on 10.2.8 for a sanity check and it no longer launches.  I get a 
> console message to the effect 'can't find library libmx'.  Is this 
> a known issue or is there some magical way to get it to compile 
> 10.2.8 compatible binaries again?  It seems like a major oversight 
> not to check this sort of thing.


1) You *need* to use the Cross Development SDK if you're targeting a 
different OS!

2) If you search the Xcode-Users archives, you'll find some 
information about this problem. For example, Nick had this to say:

On 30 apr 2005, at 17.51, Nick Zitzmann wrote:

> You must use GCC 3.3 to compile projects that will run on versions 
> of Mac OS X earlier than 10.3.9. GCC 4.0 insists on linking to 
> libmx, which doesn't exist in Jaguar, and I'm not sure if it 
> existed in Panther prior to 10.3.9.


j o a r