Re: [Regexkit-discussion] NSScannedOption undeclared first use: an iPhone issue

[Mark P. <msp...@gm...>]

I examined the numerical value of NSScannedOption and decided to give  
this a try in RegexKitLite.m:

#ifndef iPhone
   else { if((splitStrings = rkl_realloc(&scratchBuffer[1],  
splitStringsSize, (NSUInteger)NSScannedOption)) == NULL) { goto  
exitNow; } }      # <<<< original line 579
#else
   else { if((splitStrings = rkl_realloc(&scratchBuffer[1],  
splitStringsSize, (NSUInteger)1)) == NULL) { goto exitNow; } }
#endif

Now the test app link_example.m app installs and runs on a real phone.

Whether this actually solves a problem with the code running on an  
iPhone, I do not know.  I'm a newcomer to the Mac, and fixing one  
problem may cause another.  iow, my fix is naive.

I also decided to try to figure out where NSScannedOption originates,  
and found this:

$ sudo find /usr /System/ /Developer/ -name \*.h |xargs grep  
NSScannedOption 2>/dev/null
/System//Library/Frameworks/Foundation.framework/Versions/C/Headers/ 
NSZone.h:    NSScannedOption = (1<<0),
/Developer//Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS2.0.sdk/ 
System/Library/Frameworks/Foundation.framework/Headers/NSZone.h:     
NSScannedOption = (1<<0),
/Developer//Platforms/iPhoneSimulator.platform/Developer/SDKs/ 
iPhoneSimulator2.0.sdk/System/Library/Frameworks/Foundation.framework/ 
Versions/C/Headers/NSZone.h:    NSScannedOption = (1<<0),
/Developer//SDKs/MacOSX10.4u.sdk/System/Library/Frameworks/ 
Foundation.framework/Versions/C/Headers/NSZone.h:    NSScannedOption =  
(1<<0)
/Developer//SDKs/MacOSX10.5.sdk/System/Library/Frameworks/ 
Foundation.framework/Versions/C/Headers/NSZone.h:    NSScannedOption =  
(1<<0),

indicating that NSScannedOption lies completely within NSZone.h, at  
least in the likely directory trees.

My guess is that the build process for the iPhone simulator config  
differs from the device config in some way that includes NSZone.h for  
the former, but not the latter.  Or some such.


On Aug 15, 2008, at 3:52 PM, Mark Petrovic wrote:

> Good day.
>
> I'm attempting to use the RegexKitLite code in an iPhone app.  When  
> I attempt to build the application for deployment to a real phone,  
> Xcode produces an error to the effect:
>
> error: 'NSScannedOption' undeclared (first use in this function)  
> RegexKitLite.m line 579
>
> I'm fairly new to Mac and iPhone programming, and I suspect this  
> class is not available in the iPhone SDK.  Is there a workaround for  
> this?
>
> I would note that building the app to run in the simulator works  
> fine.  Only when I build for the real device do I run into this  
> unresolved reference.
>
> Thanks.