How to install nmap latest version

$ svn co https://svn.nmap.org/nmap
$ cd nmap
$ ./configure
$ make

$ ./nmap -V

Nmap version 6.26SVN ( http://nmap.org )
Platform: x86_64-unknown-linux-gnu
Compiled with: nmap-liblua-5.2.1 openssl-1.0.1 libpcre-8.12 libpcap-1.1.1 nmap-libdnet-1.12 ipv6
Compiled without:
Available nsock engines: epoll poll select

$