Re: 4.01 on os x intel - now with added gdb / debugging weirdness...

[Andreas Ericsson <ae () op5 se>]

David Warde-Farley wrote:
> On 6-Mar-06, at 10:58 PM, Matt Ostiguy wrote:
>
>
> > So, I
> > CFLAGS=-g CXXFLAGS=-g ./configure
> > make
> > gdb ./nmap
> >
> > In, or out of gdb, I can now perform a version scan. To ensure I am
> > not hallucinating, I repeated the config and build process and got the
> > same results - life is good with a binary resulting from these flags
> > being set. So, that would appear to be a workaround.
>
>
> Heisenberg bug! ;)
>
> Kurt seems to have trapped it being a pcre thing, so I have no idea  
> why debug information would solve it.

Debugging means frame-pointers are never omitted for i386, which means 
the stack is aligned differently when debugging is enabled. It would be 
nice to see how this works with a vanilla gcc compiling nmap and leaving 
the original pcre-library as shipped with OS X.

-- 
Andreas Ericsson                   andreas.ericsson () op5 se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231


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