USE flags on Gentoo

Code Listing 3.2: Installing gentoolkit

1. emerge gentoolkit

Now run equery with the uses argument to view the USE flags of a certain package. For instance, for the gnumeric package:

Code Listing 3.3: Using equery to view used USE flags

1. equery --nocolor uses =gnumeric-1.6.3 -a

[ Searching for packages matching =gnumeric-1.6.3... ] [ Colour Code : set unset ] [ Legend : Left column (U) - USE flags from make.conf ] [ : Right column (I) - USE flags packages was installed with ] [ Found these USE variables for app-office/gnumeric-1.6.3 ]

U I
- - debug  : Enable extra debug codepaths, like asserts and extra output.
             If you want to get meaningful backtraces see
             http://www.gentoo.org/proj/en/qa/backtraces.xml .
+ + gnome  : Adds GNOME support
+ + python : Adds support/bindings for the Python language
- - static : !!do not set this during bootstrap!! Causes binaries to be
             statically linked instead of dynamically