This section discusses building source packages and bundles with GPT. Building packages and bundles is more difficult than installing their binary equivelent. However it does allow the software to be patched and installed on platforms where binaries are not available. GPT has been designed to provide a number of tools that allow for building problems to be debugged and fixed. The focus of this section is to show the various building techniques rather than attempting to solve all building problems. In addition, this section spends some time discussing the difference between an installation that was built and an installation that was installed via binary packages and bundles. All of the examples in the section assume that you have installed GPT