Ubuntu 18.04
rTorrent ver. 0.9.8
libtorrent ver. 0.13.8

 ldd /usr/local/bin/rtorrent
        linux-vdso.so.1 (0x00007fff78934000)
        libncurses.so.5 => /lib/x86_64-linux-gnu/libncurses.so.5 (0x00007efcebc24000)
        libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007efceb9fa000)
        libcurl.so.4 => /usr/local/lib/libcurl.so.4 (0x00007efceb77b000)
        libtorrent.so.21 => /usr/local/lib/libtorrent.so.21 (0x00007efceb467000)
        libxmlrpc_server.so.3 => /usr/local/lib/libxmlrpc_server.so.3 (0x00007efceb260000)
        libxmlrpc.so.3 => /usr/local/lib/libxmlrpc.so.3 (0x00007efceb041000)
        libxmlrpc_util.so.4 => /usr/local/lib/libxmlrpc_util.so.4 (0x00007efceae3b000)
        libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007efceac1c000)
        libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007efcea893000)
        libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007efcea67b000)
        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007efcea28a000)
        libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007efcea086000)
        libcares.so.0 => /usr/local/lib/libcares.so.0 (0x00007efce9e71000)
        libssl.so.3 => /usr/local/lib/libssl.so.3 (0x00007efce9bdb000)
        libcrypto.so.3 => /usr/local/lib/libcrypto.so.3 (0x00007efce95b0000)
        libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007efce9393000)
        libxmlrpc_xmlparse.so.3 => /usr/local/lib/libxmlrpc_xmlparse.so.3 (0x00007efce9182000)
        /lib64/ld-linux-x86-64.so.2 (0x00007efcec1d0000)
        libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007efce8de4000)
        libxmlrpc_xmltok.so.3 => /usr/local/lib/libxmlrpc_xmltok.so.3 (0x00007efce8bc0000)