Hi Rob, from the cpp and header I created a shared object. Than I called that shared oblect from test.pl file. The test.pl file checks that the shared object is ok (and it worked). Than I wanted to have the same thing inside a pm file (and it just does't go for me). And this is the reason for my current problems. As i sad, wjen calling that shared object from a simple pl file everything works fine. The output of the pl file is -------------------outout of test.pl----------------

 
I'm constructing : Global array
I'm constructing : in add
I am inside wow
Destruction :  in add
9 + 16 = 25
Destruction :  Global array
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-----------------main.h-----------------------

#ifndef _nir_test_main
#define _nir_test_main
#include <string>

using namespace std;

class MyClass {
public:
    MyClass(const char*);
    ~MyClass();
    int wow();
private :
string _my_favorite_argument;
};
#endif
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-----------------main.cpp-----------------------

#include <stdio.h>

#include "main.h"

//extern int funcOuter(int);

MyClass::MyClass(const char * a_my_favorite_argument) 
{
    printf("I'm constructing : %s \n",a_my_favorite_argument);
    _my_favorite_argument.append(a_my_favorite_argument);
}
MyClass::~MyClass() 
{ 
    printf("Destruction :  %s \n",_my_favorite_argument.c_str()); 
}

int MyClass::wow() 
{ 
    printf ("I am inside wow \n");
    return 12 / 3; 
}

int func(const int&);
int main (int argc, char* argv[])
{
//calling to a function from another so
//funcOuter(4);
printf ("hello \n");
int x = 10;
func(x);
return 0;
}

int func (const int&  x)
{
 printf ("in func : %d \n",x);
 return 0;
}
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------------------test.pl----------------------------

#!/usr/bin/perl -w
use lib '/usr/lib/perl5/vendor_perl/5.8.0';
use lib '/users/nirf/perlTrials/cpanModulesInstallation/lib/perl5/site
+_perl/5.8.0';
use lib '/users/nirf/perlTrials/cpanModulesInstallationInline/lib/perl
+5/site_perl/5.8.5';
#use lib '/users/nirf/perlTrials/cpanModulesInstallationParseRecDescen
+t/lib/perl5/site_perl/5.8.5';
#use Inline Config => LIBS => '-L/users/nirf/perlTrials/inlineExample'
+, LIBS => '-lmain';
#use Inline Config => LIBS => '-L/users/nirf/perlTrials/inlineExample 
+-lmain';
use Inline CPP => Config => INC => '-l/users/nirf/perlTrials/inlineExa
+mple';
use Inline CPP => Config => MYEXTLIB => '/users/nirf/perlTrials/inline
+Example/libmain.so';
                                                                      
+                                                                     
use Inline CPP;
                                                                      
+                                                                     
   sub func
  {
   add(1,1);
  }
   print "9 + 16 = ", add(9, 16), "\n";
                                                                      
+                                                                     
   __END__
   __CPP__
                                                                      
+                                                                     
#include "main.h"
   char GlobalArr[13] = {'G','l','o','b','a','l',' ','a','r','r','a','
+y','\0',};
   MyClass  myGlobalInstance(GlobalArr) ;
   int add(int x, int y) {
      char arr[7]={'i','n',' ','a','d','d','\0'};
      MyClass mc(arr);
      myGlobalInstance.wow();
      return x + y;
   }
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Thanks, Nir