First install libevent using –prefix=$HOME
erro：“libevent not found”
solve with：
DIR="$HOME";
./configure --prefix=$DIR CFLAGS="-I$DIR/include" LDFLAGS="-L$DIR/lib"
make
make install
Libevent Not Found Error While Install Tmux
原文：http://www.cnblogs.com/wanglizhong/p/5690047.html