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Asked: 2026-05-17T21:39:40+00:00

Anyone, I have been unable to compile some packages, like WxWidgets, on Mac OS

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Anyone,

I have been unable to compile some packages, like WxWidgets, on Mac OS 10.6.4 using gcc 4.5 (compiled from source, not from MacPorts, Fink, etc. with all default languages and Obj-C++). Typically, when trying to compile against the Foundation framework, I get errors such as the following: 

/System/Library/Frameworks/Foundation.framework/Headers/NSObject.h:123:35:error: expected ‘;’ before ‘__attribute__’
/System/Library/Frameworks/Foundation.framework/Headers/NSObject.h:138:1:error: stray ‘@’ in program
/System/Library/Frameworks/Foundation.framework/Headers/NSObject.h:139:1:error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘-’ token In file included from main2.m:2:0:
/System/Library/Frameworks/Foundation.framework/Headers/NSString.h:139:63:error: expected ‘;’ before ‘__attribute__’

I’m somewhat somewhat new developing on the Mac (more experience with Linux and Windows). Right now, I don’t need to use Objective-C or Objective-C++. It’s just getting in the way of being able to compile other packages (though I may want to start using it down the road). If anyone has any thoughts I would appreciate it. Thank you.

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1 Answer

  1. Editorial Team

    You…don’t. GNU’s GCC is not compatible with Apple’s GCC in terms of Objective-C runtime support. You’ll get the GNU Objective-C runtime which is the compatibility problem.

    My strong suggestion to you is to not use C++0x features until the new standard is…a standard, and not a draft. Don’t expect compiler support for draft features on all platforms.

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