error: /usr/include/objc/objc-class.h: No such file or directory

Question

I am currently using blocks in my UIButton category. However I have come across this error which I cannot solve:

error: /usr/include/objc/objc-class.h: No such file or directory

This is the line of code that uses blocks:

FTButtonBlock block = objc_getAssociatedObject(self, "buttonBlock");

Jhaliya - Praveen Sharma · Accepted Answer · 2014-02-15T19:23:23.320

66

Change

#import <objc/objc-class.h>

to

#import <objc/runtime.h>

edited Feb 15 '14 at 19:23

answered Jun 14 '11 at 13:27

@TheLearner :Still have same issue ? – Jhaliya - Praveen Sharma Jun 15 '11 at 10:24
3

Would be nice to post solution in question instead of link. But thats just my preference. – bentford Nov 01 '11 at 17:34
14

tldr; Then the solution is to change this import statement in SHK.m: `#import ` to: `#import ` or (on xcode 4.3.1): `#import ` – ghostfly Mar 16 '12 at 18:10
Thank you i just replaced this line: #import with this one: #import – ElizaS Feb 10 '13 at 07:59
I had a problem with my Jenkins when I was trying build a version in XCode 7. After change from "#import " to "#import ", my build is back to normal. Thanks. – Marcelo dos Santos Apr 06 '16 at 19:52

score 3 · Answer 2 · answered Jan 02 '13 at 11:30

3

Replace current line with following line:

#import <objc/runtime.h>

Thanks.

answered Jan 02 '13 at 11:30

Hemang

score 0 · Answer 3 · answered Feb 12 '13 at 21:16

0

After xcode 4.6 this breaks again. I just fixed this like this :

cd /usr/include/
sudo ln -s /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk/usr/include/objc .

Now it works like a charm

answered Feb 12 '13 at 21:16

Trausti Thor

3 Answers3