# Exit on error:
set -e

wget https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz \
    --no-check-certificate

tar xf libevent-2.0.21-stable.tar.gz
cd libevent-2.0.21-stable

./configure \
    --prefix=/usr

make
make install

cd ..
exit 0