# 13. Developer’s guide

This section is here for those who are building/exploring the internals of Open MPI in its source code form, most likely through a developer’s tree (i.e., a Git clone).

If you are writing MPI applications that simply use Open MPI, you probably don’t need to read this section.

- 13.1. Prerequisites
- 13.2. GitHub, Git, and related topics
- 13.3. Compiler Pickyness by Default
- 13.4. Running `autogen.pl`
- 13.5. Building Open MPI
- 13.6. Open MPI terminology
- 13.7. Source code
- 13.8. Internal frameworks
- 13.9. Manually installing the GNU Autootools
- 13.10. Installing and running Sphinx (building the Open MPI docs)
- 13.11. ReStructured Text for those who know Markdown