Hello Dear friends
i trying to install therion on mac , But when type 

Macs-MacBook-Pro:therion yonesshariatmadari$ sudo make install


then see the following error:


first see this error:


couldn't understand kern.osversion `14.0.0'

Undefined symbols:

  "std::__1::basic_ostream<char, std::__1::char_traits<char> >::flush()", referenced from:

      find_scrap(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >)in thconvert.o


after a second this:


ld: symbol(s) not found

collect2: ld returned 1 exit status

make: *** [therion] Error 1

Macs-MacBook-Pro:therion yonesshariatmadari$ 


what should i do?
please help me

thank you