diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml index 5e6ece440a..9c054eb936 100644 --- a/documentation/ref-manual/ref-variables.xml +++ b/documentation/ref-manual/ref-variables.xml @@ -946,14 +946,22 @@ Core layer for images cannot be removed EXTRA_IMAGE_FEATURES - Allows you to add extra packages to the generated images. - You set this variable in the local.conf - configuration file. - Note that some image features are also added using the - IMAGE_FEATURES - variable generally configured in image recipes. - You can use this variable to add more features in addition to those. - Here are some examples of features you can add: + + The list of additional features to include in an image. + Typically, you configure this variable in an image recipe. + You can also configure it in the local.conf + file found in the + Build Directory. + + Use the + IMAGE_FEATURES + variable to define the primary list of features you want to + add to the image. + + + + + Here are some examples of features you can add: "dbg-pkgs" - Adds -dbg packages for all installed packages including symbol information for debugging and @@ -981,10 +989,21 @@ Core layer for images cannot be removed password. You should remove this feature before you produce a production image. + - There are other valid features too, see the - Images - section for more details. + + For a complete list of image features that ships with the + Yocto Project, see the + "Images" + section. + + + + For some examples that show how to customize your image by + using this variable, see the + "Customizing Images Using Custom IMAGE_FEATURES and EXTRA_IMAGE_FEATURES" + section in the Yocto Project Development Manual. +