To compile on Debian/Ubuntu and similar:

sudo apt-get install build-essential
sudo apt-get install libboost-program-options-dev
Optionally:
sudo apt-get install cmake

From command line:
g++ -o udpServer udpServer.cpp -lboost_program_options
g++ -o udpClient udpClient.cpp -lboost_program_options

When using cmake:
mkdir build
cd build
cmake ..
make

Example 1: Delay measurement with default values (5000 packets, each 50 byte, port 1234, fixed spacing of 20 ms between packets):
Server: ./udpServer
Client: ./udpClient -a ServerIP
The server reports progress every 100 packets, the client presents results at the end

Example 2: Throughput measurement sending 10 Mbit/s for 20 seconds:
Server: ./udpServer -t
Client: ./udpClient -t -a ServerIP -i 1 -n 20000 -s 1250
Press Ctrl+C at server when client finished to print result

Help on command-line options:
./udpServer -h
./udpClient -h