This is a port of OpenBGPD to other operating systems. It is based on portability code from the OpenNTPD, OpenSSH, and LibreSSL portable projects.
OpenBGPD has a web site at http://openbgpd.com/
The current portable tree can be found at https://github.com/openbgpd-portable/openbgpd-portable
At the time of writing the Portable version is known to build and work on: