checking for Mix_OpenAudio in -lSDL_mixer... yes
checking for SDLNet_Init in -lSDL_net... no
configure: error: *** SDL_net lib not found! Get SDL_net from
http://www.libsdl.org/projects/SDL_net/index.html
carlos@chernan:~/Desktop/wesnoth-1.2.6$ apt-cache search SDL_net
carlos@chernan:~/Desktop/wesnoth-1.2.6$