#if defined(PEGASUS_OS_HPUX) 
#include <strstream.h>

#ifndef HAVE_STRSTREAM
#define HAVE_STRSTREAM 1
#endif

#elif defined(PEGASUS_PLATFORM_WIN64_IA64_MSVC) || \
      defined(PEGASUS_PLATFORM_WIN64_X86_64_MSVC) || \
      defined(PEGASUS_PLATFORM_WIN32_IX86_MSVC) || \
      defined(PEGASUS_OS_AIX)
#include <strstream>

#ifndef HAVE_STRSTREAM
#define HAVE_STRSTREAM 1
#endif

#else
#include <sstream>
#ifndef HAVE_STREAM
#define HAVE_SSTREAM 1
#endif

#endif