If it's only NSLog formatting that's an issue, a trick we use for
cross-platform printfs is a conditional macro (this is off the top of my head;
ours is conditional on Windows or Mac/Linux):
#if __LP64__
#define FMT_NSUInt "%lu"
#else
#define FMT_NSUInt "%u"
#endif
NSLog(@"u = "FMT_NSUInt" etc", u);
----- Original Message -----
From: "Gerriet M. Denkmann" <gerr...@mdenkmann.de>
To: cocoa-dev@lists.apple.com
Sent: Saturday, June 11, 2011 12:54:39 AM
Subject: NS_BUILD_32_LIKE_64
When I define NS_BUILD_32_LIKE_64=1 I can simply write:
NSUInteger u = 12;
NSLog(@"u = %lu", u );
Otherwise I would need to use a cast like:
NSLog(@"u = %lu", (unsigned long)u );
or even more clumsy:
#if __LP64__
NSLog(@"u = %lu", u );
#else
NSLog(@"u = %u", u );
#endif
The 64-Bit Transition Guide for Cocoa just says:
"The NS_BUILD_32_LIKE_64 macro is useful when binary compatibility is not a
concern, such as when building an application."
So: why is this NS_BUILD_32_LIKE_64 not always defined (as default) and what
binary compatibility issues I have to be aware of?
Kind regards,
Gerriet.
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