clang: error: linker command failed with exit code 1

Question

I just opened a project i havent worked for in a couple months, and just tried to compile and run it.

I immediately got:

Undefined symbols for architecture i386:
 "l_OBJC_PROTOCOL_$_VideoOverviewControllerDelegate", referenced from:
    l_OBJC_CLASS_PROTOCOLS_$_FeaturedViewController in FeaturedViewController.o
  ld: symbol(s) not found for architecture i386
 clang: error: linker command failed with exit code 1

and no amount of cleaning helped this error. I checked the two classes referenced in the error but couldn't find any error.

ironcladmvtm · Accepted Answer · 2012-09-09 20:42:03Z

3

I had this issue as well and finally found that i had implemented the same class two times. Check our class names for duplicates or duplicate .h or .m files.

answered Sep 9, 2012 at 20:42

ironcladmvtm

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2 Comments

Mysticial Over a year ago

If you had duplicate symbols, the error messages would most likely be different from what the OP is seeing.

Sam Spencer Over a year ago

@Mysticial has a point. The error message would be something like: duplicate symbols found for architecture, not what the OP has listed.

DjimOnDev · Accepted Answer · 2013-08-19 12:47:17Z

3

Just be sure you didn't import a .m in your file.

#import "myFile.m"

will give you this error... just fix it with a

#import "myFile.h"

answered Aug 19, 2013 at 12:47

DjimOnDev

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Comments

MarrLiss · Accepted Answer · 2011-10-12 12:28:48Z

1

Probably you don't have VideoOverviewControllerDelegate (i don't know, what it is) in linked frameworks. How to add framework to project.

answered Oct 12, 2011 at 12:28

MarrLiss

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