G:\dm\anuj>cat set.cpp
#include <iostream>
#include <set>
#include <iterator>
using namespace std;

struct ltstr
{
  bool operator()(const char* s1, const char* s2) const
  {
    return strcmp(s1, s2) < 0;
  }
};

int main()
{
  const int N = 1;
  const char* a[N] = {"isomer"};
  set<const char*, ltstr> A(a, a + N);
  copy(A.begin(), A.end(), ostream_iterator<const char*>(cout, " "));
}



G:\dm\anuj>dmc -v1 -IG:\dm\STLport\stlport set.cpp G:\dm\STLport\stlport\stl/_string.c(637) : Error: undefined identifier '_DEFAULT_SIZE'
--- errorlevel 1

G:\dm\anuj>dmc -v2 -IG:\dm\STLport\stlport set.cpp |more
scppn -v2 -IG:\dm\STLport\stlport set.cpp
Digital Mars C/C++ Compiler Version 8.50.4n
Copyright (C) Digital Mars 2000-2006.  All Rights Reserved.
Written by Walter Bright
www.digitalmars.com
...

It would be nice if a tested/stable STL & Boost library shipped as part of the standard compiler.

smaller:
G:\dm\anuj>dmc -v1 cin.cpp -Ig:\dm\STLport\stlport
g:\dm\STLport\stlport\stl/_string.c(637) : Error: undefined identifier '_DEFAULT_SIZE'
--- errorlevel 1

G:\dm\anuj>cat cin.cpp
#include <iostream>

void foo()
{
        std::cout << "h" << std::endl;
}