This gets rid of deprecation warnings. Cmake 3.6 has been out for almost 8 years by now, so this requirement should not cause undue trouble to people trying to compile the game.
Please visit the ENet homepage at http://enet.bespin.org for installation and usage instructions. If you obtained this package from github, the quick description on how to build is: # Generate the build system. autoreconf -vfi # Compile and install the library. ./configure && make && make install