Gentoo/Funtoo USE Mark Introduction

Gentoo/Funtoo USE: A software contains not only the software, but also its components, such as documents, plug-ins, and GUI support. USE is used to mark whether to install the software and install these components at the same time. Global USE can be global and stored in the/etc/portage/make. conf file. For example, if you use gnome instead of KDE, you want all software to support GNOME by default. If you do not install KDE, write USE = "gnome-kde ". Add-to remove. For example, add zh zh_CN to install the software in Chinese. The list of currently available global USE tags can be found in the local/usr/portage/profiles/use. desc file. Some USE variables do not need to be added to the global environment. They only need to be added to some software and stored in/etc/portage. USE. For example, you need to install the help document for a software, and add the doc. The list of available local USE tags can be found in the local/usr/portage/profiles/use. local. desc file. Temporary USE can be set with environment variables. For example, when installing xxx, do not install jj and declare: USE = "-jj" emerge xxxUSE priority. The USE mark can be defined in so many places, and some can be added or subtracted, priority is required. The USE priority is as follows (from low to high): make. USE ults (do not modify this file) The USE default setting <user in/etc/make. USE setting in conf <user's/etc/portage/package. use settings in USE <as the environment variable's USE settings USE meaning table

These are just the usage of USE, -- pretend to view the list of USE supported by the software

Meaning of USE tags of different colors when the emerge command is displayed

Red indicates the USE mark used by emerge. Yellow indicates that the mark has been added, deleted since the last update, or added to the blue front of Masked.-This indicates that the USE mark blocked by emerge is green. new USE tag, or remove the USE mark.

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