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iOS Build a Diary App Using Core Data Inserting and Saving Data UI for Inserting Diary Entries

Ravin Kohli
Ravin Kohli
3,367 Points
Posted by Ravin Kohli
Ravin Kohli
3,367 Points

Undefined symbols for architecture x86_64

"OBJC_CLASS$THDiaryEntry", referenced from: l_OBJC$CATEGORY_THDiaryEntry$_CoreDataProperties in THDiaryEntry+CoreDataProperties.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)

1 Answer

Abby Griffiths
seal-mask
.a{fill-rule:evenodd;}techdegree
Abby Griffiths
Python Web Development Techdegree Student 1,289 Points
Abby Griffiths
.a{fill-rule:evenodd;}techdegree
Abby Griffiths
Python Web Development Techdegree Student 1,289 Points

The problem mostly lies in your DiaryEntry custom class. In the NS_ENUM declaration, try using this instead:

typedef enum {
    DiaryEntryMoodGood = 0,
    DiaryEntryMoodAverage = 1,
    DiaryEntryMoodBad = 2
} DiaryEntryMood;

Instead of this: 

NS_ENUM( int16_t, DiaryEntryMood ) {
    DiaryEntryMoodGood = 0,
    DiaryEntryMoodAverage = 1,
    DiaryEntryMoodBad = 2
};

That fixed the issue for me. I think the compiler is complaining that 16 bit ints are being used on a newer OS ( El capitan ) that has changed a lot of things. Wouldn't be surprised if it had changed the kernel architecture as well.

arshin
arshin
17,770 Points

Thanks—This Particular Replacement resolves relevant linker errors!