$ pwd
$ /home/durrantm/Downloads/tmux-1.6
durrantm.../tmux-1.6$ ./configure && make
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
...
...
configure: error: "libevent not found"
durrantm.../tmux-1.6$ sudo apt-get install libevent
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package libevent