gistfile1.txt

# download latest libevent2 and tmux sources, and extract them somewhere
#
# at the time of writing:
# https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz
# http://downloads.sourceforge.net/tmux/tmux-1.7.tar.gz
# 

# install deps
yum install gcc kernel-devel make ncurses-devel

# cd to libevent2 src
./configure --prefix=/usr/local
make && make install

# cd to tmux src
LDFLAGS="-L/usr/local/lib -Wl,-rpath=/usr/local/lib" ./configure --prefix=/usr/local
make && make install

# you're good to go...