//Purpose:
//  Show not possible to compute an include with .hpp in name.
#include <boost/preprocessor/stringize.hpp>
#include <boost/preprocessor/cat.hpp>
#define FILENAME_INC computed_include
#define HPP_EXT .hpp
#define FILENAME_CAT_STR BOOST_PP_STRINGIZE(BOOST_PP_CAT(FILENAME_INC,HPP_EXT))
#include FILENAME_CAT_STR
int main()
{
  computed_include();
  return 0;
}