Thanks very much Joe and everyone else, I'm up and running!

Harry


On Feb 25, 2007, at 11:59 PM, [EMAIL PROTECTED] wrote:

>> The problem is that as a beginner PEF and Mach-O mean nothing to me.
>> I suspect it has to do with Intel vs PowerPc, or maybe between OS X
>> and OS 9?
>
> Ah, I see.  OK, here's the deal in a nutshell: there are two formats
> for executable (application) files on the Mac: PEF, which is a modern,
> sensible format that the Mac has always used up until recently, and
> Mach-O, which is an older, more primitive format that Steve Jobs used
> at NeXT and then foisted onto the rest of us when he returned to Apple
> and came out with OS X (which is just NeXT in a Mac's clothing in many
> other ways, too).  PEF apps can run on OS 9 and OS X, but they can  
> only
> contain PowerPC code.  Mach-O apps only run on OS X, but they can
> contain either PowerPC or Intel code.  So, unfortunately, since modern
> Mac hardware is Intel, we have to use the Mach-O format, which means
> your apps won't run on OS 9 anymore.
>
> Mach-o apps also make declares differently, as this error message was
> pointing out.  See <http://www.declaresub.com/ideclare/>, an excellent
> online book by Charles Yeomans, for everything you ever wanted to know
> about declares (and more!).

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