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