makeutil is a set of portable public domain programs designed to support C/C++ projects. It provides tools for build operations outside of the normal compile/link pipeline. It is designed to be unobtrusively included directly in your own project.
Xinstaller is a program written in C for Linux. It will allow you to make an installer file for your programs. The user will have only to start the executable and to answer some easy questions(mostly "next" :)).