There are several sections in the MacPorts Guide that also describe the process of using leaves to uninstall unneeded ports. ports that are dependencies of ports that are installed, but inactive): sudo port uninstall inactive Note: Before pruning your leaves, you may also want to uninstall old versions of ports that are no longer “active”. MacPorts may be conceptually divided into two main parts: the infrastructure, known as MacPorts base, and the set of available ports. You can uninstall any remaining leaves quite easily: sudo port uninstall leaves MacPorts is an easy to use system for compiling, installing, and managing open source software. Some common leaves ( automake, gperf, libtool, pkgconfig) are build-time dependencies of common ports, so you may want to “request” them ( sudo port setrequested port1 port2 port3 …) to avoid uninstalling them just to have to reinstall them later. You should examine your existing leaves before uninstalling any of them. You can use this to “clean up” unneeded ports even if you did not originally uninstall them with sudo port uninstall -follow-dependencies portname (which will do what you want, but only if you remember to use it every time you uninstall something). Sphinx can be installed using Homebrew, MacPorts, or as part of a Python distribution such as Anaconda. The leaves pseudo-portname expands to all the unrequested ports upon which no other installed port depends. An unrequested port is one that was only installed because some other port depends on it.
One of the features of the new format is that it keeps track of “requested” versus “unrequested” port installations. You can convert a 1.9.x flat system to the sqlite format by upgrading to MacPorts 2.0 or by changing the portdbformat value in /opt/local/etc/macports/nf and then issuing a port command as root (e.g. The sqlite port DB format is the default for new installations old installations that were upgraded to 1.9.x will continue to use the flat format 1. MacPorts 1.9.0 added the sqlite portdbformat and MacPorts 2.0.0 dropped the old flat format. To avoid accidentally cutting leaves that might be things you requested you should install the port_cutleaves package then run sudo port_cutleaves
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