Broken missing prototypes warning in ObjC?

[Uli Kusterer]

On 05.09.2007, at 17:48, Uli Kusterer wrote:
> I just encountered a strange problem: I tried to turn on all  
> warnings in one of my Cocoa projects, and I also turned on the  
> warning about missing function prototypes (not method, function).  
> Trouble is, now I get error messages for some functions where I  
> *know* that there are prototypes for them. I've tried everything to  
> get rid of these erroneous warnings. I copied the signature of the  
> function right above the implementation, put a semicolon after it,  
> and I still get the warning.
>
> Has anyone experienced that? I tried it on several Macs at work and  
> it happens everywhere there, but only in .m files, not in .c or .cpp  
> files. It happens in a fresh Objective C project, even.
>
> Has anyone heard of this before, or more importantly, found a fix  
> for this? It's a rather important warning, and I have a bunch of C  
> code that would really benefit from this warning. Alternately, does  
> anyone know whether there's a #pragma or so with which I can turn  
> off this warning in my ObjC files, so I can still leave it on for  
> the C and C++ code?


For future reference, I found the solution and did a short blog  
posting about it:

<http://zathras.de/blog-ulis-09-01-pm-law.htm>

Cheers,
-- M. Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://www.zathras.de