using centos 7 as haproxy 1.8

# yum info haproxy

$ make TARGET=generic ARCH=native CPU=x86_64 -j8

# useradd -r haproxy

# This GNU Makefile supports different OS and CPU combinations.
#
# You should use it this way :
# [g]make TARGET=os ARCH=arch CPU=cpu USE_xxx=1 ...

# mkdir -p /etc/haproxy
# mkdir -p /run/haproxy
# mkdir -p /var/lib/haproxy
# touch /var/lib/haproxy/stats

$ cd haproxy-1.7.5/

# chmod 755 /etc/init.d/haproxy

$ wget http://www.haproxy.org/download/1.7/src/haproxy-1.7.5.tar.gz -O ~/Packages/haproxy.tar.gz

# cp haproxy-1.7.5/examples/haproxy.init /etc/init.d/haproxy

# systemctl restart haproxy