Geeks.

checking for SSL_new in -lssl... yes
checking struct ip... yes
checking ip_v in struct ip... yes
checking if sockaddr{} has sa_len member... yes
checking if struct icmp exists... yes
checking if struct ip exists... yes
checking if struct ip has ip_sum member... yes
configure: creating ./config.status
config.status: creating Makefile
config.status: creating nsock_config.h
  (  )   /\   _                 (     
    \ |  (  \ ( \.(               )                      _____
  \  \ \  `  `   ) \             (  ___                 / _    (_`    \+   . x  ( .\            \/   \____-----------/ (o)   \_
- .-               \+  ;          (  O                           \____
                          )        \_____________  `              \  /
(__                +- .( -'.- <. - _  VVVVVVV VV V\                 \/
(_____            ._._: <_ - <- _  (--  _AAAAAAA__A_/                |
  .    /./.+-  . .- /  +--  - .     \______________//_              \_______
  (__ ' /x  / x _/ (                                  \___'          \     /
 , x / ( '  . / .  /                                      |           \   /
    /  /  _/ /    +                                      /              \/
   '  (__/                                             /                               NMAP IS A POWERFUL TOOL -- USE CAREFULLY AND REPONSIBLY