docs: make DISTRO_FEATURES description more explicit

Make DISTRO_FEATURES description more explicit by specifying
that DISTRO_FEATURES alone can't select build configurations,
and need mechanisms like PACKAGECONFIG setup to take care of
selecting build configurations.

Signed-off-by Aatir Manzur <aatrapps@gmail.com>
Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>

(From yocto-docs rev: 4b39a4434ee658512050c50f6ebd5ad5dc900fb1)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 7 insertions, 2 deletions

diff --git a/documentation/ref-manual/features.rst b/documentation/ref-manual/features.rst
index a8d0dac996..17521ac2a8 100644
--- a/documentation/ref-manual/features.rst
+++ b/documentation/ref-manual/features.rst
@@ -100,7 +100,9 @@ packages, and they can go beyond simply controlling the installation of
 a package or packages. In most cases, the presence or absence of a
 feature translates to the appropriate option supplied to the configure
 script during the :ref:`ref-tasks-configure` task for
-the recipes that optionally support the feature.
+the recipes that optionally support the feature. Appropriate options
+must be supplied, and enabling/disabling :term:`PACKAGECONFIG` for the
+concerned packages is one way of supplying such options.
 
 Some distro features are also machine features. These select features
 make sense to be controlled both at the machine and distribution
diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 28267101d8..603f95d2e4 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -1873,7 +1873,10 @@ system and gives an overview of their function and contents.
       optionally support the feature. For example, specifying "x11" in
       :term:`DISTRO_FEATURES`, causes every piece of software built for the
       target that can optionally support X11 to have its X11 support
-      enabled.
+      enabled. Note: just enabling :term:`DISTRO_FEATURES` alone doesn't
+      enable feature support for packages, mechanisms such as making
+      :term:`PACKAGECONFIG` track :term:`DISTRO_FEATURES` are used
+      to enable/disable package features.
 
       Two more examples are Bluetooth and NFS support. For a more complete
       list of features that ships with the Yocto Project and that you can