1 o Minor features (compilation):
2 - Give an error message if trying to build with a version of LibreSSL
3 known not to work with Tor. (There's an incompatibility with
4 LibreSSL versions 3.2.1 through 3.4.0 inclusive because of their
5 incompatibility with OpenSSL 1.1.1's TLSv1.3 APIs.)