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Re: 4.01 on os x intel - now with added gdb / debugging weirdness...
From: Andreas Ericsson <ae () op5 se>
Date: Tue, 07 Mar 2006 10:42:44 +0100

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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