Re: [Swarm-Support] Re: Swarm 2.2 on Intel (and PPC) Mac OSX Tiger

[Scott Christley]

GCC isn't deprecating nested functions as far as I know.  Apple just  
disables their use within Xcode by passing a flag to the compiler,  
this started with Xcode 2.2.  Supposedly you can re-enable support  
with an additional compiler flag; however they discourage it.  They  
mention some security feature but don't say exactly what.

http://developer.apple.com/technotes/tn2006/tn2161.html

cheers
Scott

On Jul 23, 2006, at 12:15 AM, Marcus G. Daniels wrote:

> Bill Northcott wrote:
> > As posted, it will not build with Apple's gcc-4, the compiler you  
> > should be using, because it contains nested function definitions.   
> > These are strongly deprecated and will soon be disabled for  
> > security reasons.
> What compilers usually do to get an executable stack is to arrange  
> to get it on a case by case basis using mprotect(2).  E.g. see  
> these messages:
>
> http://gcc.gnu.org/ml/gcc-help/2005-12/msg00174.html
> http://gcc.gnu.org/ml/gcc-help/2005-12/msg00177.html
>
> I was under the impression that this problem was just a regression  
> in GCC.
> Is there a later archived discussion and/or Bugzilla documentation  
> of this deprecation?
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