checking whether the C++ compiler works ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] yes checking for C++ STL support ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] yes checking for C++ templates ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] yes checking for C++ template specialization ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] yes checking for C++ partial template specialization ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] yes checking whether C++ supports templates ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] yes checking for header iostream ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] clang: error: cannot use 'c++-cpp-output' output with multiple -arch options not found checking for header string ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] clang: error: cannot use 'c++-cpp-output' output with multiple -arch options not found checking for header iostream ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] clang: error: cannot use 'c++-cpp-output' output with multiple -arch options not found checking for header sstream ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] clang: error: cannot use 'c++-cpp-output' output with multiple -arch options not found checking for header fstream ... clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] clang: error: cannot use 'c++-cpp-output' output with multiple -arch options not found Not all tested STL headers are present - please install them.