Re: More 10.1 backward compatibility
Re: More 10.1 backward compatibility
- Subject: Re: More 10.1 backward compatibility
- From: Drew McCormack <email@hidden>
- Date: Mon, 16 Dec 2002 20:33:34 +0100
On Monday, December 16, 2002, at 08:06 PM, Philip George wrote:
What happens when you compile on 10.1?
Good question. I wish I had a spare computer with 10.1 installed to try
it ;-) Actually I can use a friend's computer, so I will do that
tomorrow if I can. Still, it would be a shame to have to do all my
development on 10.1 for this reason.
Drew
- Philip
On Monday, December 16, 2002, at 08:40 PM, Drew McCormack wrote:
As much as everyone is probably sick to death of this topic, I still
haven't found a satisfactory answer in the archives, so I will ask
anyway.
My program, compiled on 10.2 with gcc3.1, crashes without any warning
on 10.1, and leaves nothing behind in terms of logs etc. I think I
know which section of code is at fault: I recently made changes there
which broke the backward-compatibility. I want to keep the changes,
so going back to the old code is not an option.
I have setup the availability macros described in Apple's doc to
compile for 10.1, and determined that there are no methods being
called that were not supported in 10.1.
I have checked the code to see if there are any "extern" variables
from the frameworks, but cannot see any.
Someone mentioned in the archives that "Class" objects could cause
problems, but I don't really understand this. Is this true, and if
so, in what circumstances? My code makes use of NSStringFromClass,
NSClassFromString, and also "Class" objects. Could this be the
problem, and if so, why?
Drew McCormack
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Dr. Drew McCormack
Trade Strategist (www.trade-strategist.com)
Trading simulation software for Mac OS X
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