In this tutorial, we are going to use gSOAP Toolkit. Because gSOAP is working on a lot of OS, I suppose you chose Linux and potential embedded and/or optimized linux like Raspbian on Raspberry Pi.

gSOAP Toolkit, Development toolkit for Web Services and XML data bindings for C & C++

Write your first SOAP and REST Web Services following these instructions :

Getting Start with gSOAP

Raspbian is a free operating system based on Debian optimized for the Raspberry Pi hardware. An operating system is the set of basic programs and utilities that make your Raspberry Pi run. However, Raspbian provides more than a pure OS: it comes with over 35,000 packages, pre-compiled software bundled in a nice format for easy installation on your Raspberry Pi.