Build Instructions Build wolfSSL Configure wolfSSL with ./configure --enable-ntp. Add --enable-debug if you want to enable the debug version of wolfSSL. Compile with make. Install wolfSSL into /usr/local with sudo make install. Build NTP Download ntp 4.2.8p15 with curl -O http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ntp-4.2.8p15.tar.gz. Unarchive ntp-4.2.8p15.tar.gz with tar xvf ntp-4.2.8p15.tar.gz. cd into ntp-4.2.8p15. Patch the source code with patch -p1 < ntp-4.2.8p15.patch, adjusting the path to the patch file accordingly. Regenerate the configure script with ./bootstrap. Configure ntp with ./configure --with-wolfssl=/usr/local. Compile with make. Run tests with make check.