FEATURES/en

The FEATURES variable contains a list of Portage features that the user wants enabled on the system, effectively influencing Portage's behavior. It is set by default via, but can be easily updated through. Since this is an incremental variable, FEATURES values can be added without directly overriding the ones implemented through the Gentoo profile.

can be used to show the active features:

The descriptions of the FEATURES are available in the man page for make.conf:

For more information, please see Portage features in the Gentoo Handbook and the FEATURES article. For a complete list of available features, see.

Usage
FEATURES is often prepended to the command for e.g. keeping the build log or triggering tests:

External resources

 * FEATURES in the Gentoo developer manual