cmake-ostringstream-use-cmstrcat.cxx:5:3: warning: use strings and cmStrCat() instead of std::ostringstream [cmake-ostringstream-use-cmstrcat]
  std::ostringstream test;
  ^
cmake-ostringstream-use-cmstrcat.cxx:8:13: warning: use strings and cmStrCat() instead of std::ostringstream [cmake-ostringstream-use-cmstrcat]
void check2(std::ostringstream& test2)
            ^