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Re: warning in main.m
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Re: warning in main.m


  • Subject: Re: warning in main.m
  • From: Kaelin Colclasure <email@hidden>
  • Date: Tue, 30 Dec 2003 17:39:45 -0800

On Dec 30, 2003, at 5:24 PM, matt neuburg wrote:

Since upgrading to Xcode 1.1, every new project that I create generates a
warning in main.m when I try to compile it:


//  main.m
#import <Cocoa/Cocoa.h>
int main(int argc, char *argv[])
{
    return NSApplicationMain(argc, argv); // warning here!
}

The warning reads: "passing arg 2 of `NSApplicationMain' from incompatible
pointer type".

NSApplicationMain is declared to take 'const char * argv[]' as its second argument, and it's being passed a non-const one. It's happening "all of a sudden" because you are using a newer, stricter version of gcc by default with Xcode.


The warning is easy to eliminate: Just declare the second argument to main as 'const char * argv[]' rather than 'char * argv[]'.

HTH,

-- Kaelin


What does this mean and how do I make it stop? Why is it happening all of a
sudden like this? Thx - m.
--
matt neuburg, phd = email@hidden, http://www.tidbits.com/matt/
pantes anthropoi tou eidenai oregontai phusei
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  • Follow-Ups:
    • Re: warning in main.m
      • From: matt neuburg <email@hidden>
    • Re: warning in main.m
      • From: Marshall Clow <email@hidden>
References: 
 >warning in main.m (From: matt neuburg <email@hidden>)

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