Good to know! I generally build and install curl under #MacPorts with the gnutls variant. However, there is no variant that builds against Apple's flavor of LibreSSL. The default build may use the MacPorts version of LibreSSL, if installed in place of OpenSSL.

Times fly, indeed. I just checked, and sure enough, I added the #MacPorts Portfile for #nghttp2 eight years ago!