Re: How to get debug mode version of libstdc++ when compiling GCC

["Pit Cuppens" <pcuppens at gmx dot net>]

> Those options are nothing to do with the debug mode, they will install
> copies of the libstdc++ libs with debugging symbols included.
> 
> Please read http://gcc.gnu.org/onlinedocs/libstdc++/debug.html
> 
> (which hasn't been updated to include my comment that the debug mode was
> introduced in version 3.4)
> 
> jon

I have read this, but if I understand it correctly, then
something like 

  /home/pc/software/gcc-3.3.2/bin/g++ -g3 -O0 -D_GLIBCXX_DEBUG tmp.c -o 
tmp

should enable debug mode. Which it doesn't:

  ./tmp
  Segmentation fault
  Exit 139

What I am saying is that the directory

  /home/pc/software/gcc-3.3.2/include

does not contain any debugging code at all.
I can see the files 'vector', etc. there,
but the directory 'debug/' is missing. (I
assume here that it is indeed true that
libstdc++ has a debug/ directory, as is
the case in my gcc-3.4.1 installation.) So
the flag '-D_GLIBCXX_DEBUG' in the above
compiler call doesn't have any effect at all.

Or do I missinterpret the text in 

  http://gcc.gnu.org/onlinedocs/libstdc++/debug.html ?

Many thanks,
Pit

P.S. My file tmp.c looks as follows:

#include <iostream>
#include <vector>

int main(int,char **) {
  std::vector<int> vsds;
  vsds[4] = 1;
}

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