@ptrblck  Thanks for the info. What are Pre-cxx11 ABI and cxx11 ABI? Sorry I am not that expert at C++ … .
So just to make things more clear, I can download libtorch which is complied to be used in a C++14 project, or I can compile it myself to use it in a C++11 project. I can also compile PyTorch and set the corresponding flag so that the C++ library gets compiled simultaneously. Are these all correct?