AutoConf is a project mainly written in C and C++, based on the GPL-2.0 license.
AutoConf default template
This project shows the basics of using automake and autoconf for C++ projects. It is a 'deep' project, meaning that it has source code organised into sub-projects. This is not well-explained normally, but it is essential for properly organised source code.
This project accompanies the 'Using autoconf and automake with C++' document at http://www.openismus.com/documents/linux/automake/automake.shtml