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Diffstat (limited to 'poky/documentation/ref-manual/features.rst')
| -rw-r--r-- | poky/documentation/ref-manual/features.rst | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/poky/documentation/ref-manual/features.rst b/poky/documentation/ref-manual/features.rst index 31d24b8c2..ded653221 100644 --- a/poky/documentation/ref-manual/features.rst +++ b/poky/documentation/ref-manual/features.rst @@ -10,10 +10,10 @@ can select, and a reference on feature backfilling. Features provide a mechanism for working out which packages should be included in the generated images. Distributions can select which -features they want to support through the ``DISTRO_FEATURES`` variable, +features they want to support through the :term:`DISTRO_FEATURES` variable, which is set or appended to in a distribution's configuration file such as ``poky.conf``, ``poky-tiny.conf``, ``poky-lsb.conf`` and so forth. -Machine features are set in the ``MACHINE_FEATURES`` variable, which is +Machine features are set in the :term:`MACHINE_FEATURES` variable, which is set in the machine configuration file and specifies the hardware features for a given machine. @@ -267,7 +267,7 @@ these valid features is as follows: - *ssh-server-openssh:* Installs the OpenSSH SSH server, which is more full-featured than Dropbear. Note that if both the OpenSSH SSH server and the Dropbear minimal SSH server are present in - ``IMAGE_FEATURES``, then OpenSSH will take precedence and Dropbear + :term:`IMAGE_FEATURES`, then OpenSSH will take precedence and Dropbear will not be installed. - *tools-debug:* Installs debugging tools such as ``strace`` and @@ -323,27 +323,27 @@ Here are two examples to help illustrate feature backfilling: - *The "pulseaudio" distro feature option*: Previously, PulseAudio support was enabled within the Qt and GStreamer frameworks. Because of this, the feature is backfilled and thus enabled for all distros - through the ``DISTRO_FEATURES_BACKFILL`` variable in the + through the :term:`DISTRO_FEATURES_BACKFILL` variable in the ``meta/conf/bitbake.conf`` file. However, your distro needs to disable the feature. You can disable the feature without affecting other existing distro configurations that need PulseAudio support by - adding "pulseaudio" to ``DISTRO_FEATURES_BACKFILL_CONSIDERED`` in + adding "pulseaudio" to :term:`DISTRO_FEATURES_BACKFILL_CONSIDERED` in your distro's ``.conf`` file. Adding the feature to this variable - when it also exists in the ``DISTRO_FEATURES_BACKFILL`` variable + when it also exists in the :term:`DISTRO_FEATURES_BACKFILL` variable prevents the build system from adding the feature to your - configuration's ``DISTRO_FEATURES``, effectively disabling the + configuration's :term:`DISTRO_FEATURES`, effectively disabling the feature for that particular distro. - *The "rtc" machine feature option*: Previously, real time clock (RTC) support was enabled for all target devices. Because of this, the feature is backfilled and thus enabled for all machines through the - ``MACHINE_FEATURES_BACKFILL`` variable in the + :term:`MACHINE_FEATURES_BACKFILL` variable in the ``meta/conf/bitbake.conf`` file. However, your target device does not have this capability. You can disable RTC support for your device without affecting other machines that need RTC support by adding the - feature to your machine's ``MACHINE_FEATURES_BACKFILL_CONSIDERED`` + feature to your machine's :term:`MACHINE_FEATURES_BACKFILL_CONSIDERED` list in the machine's ``.conf`` file. Adding the feature to this - variable when it also exists in the ``MACHINE_FEATURES_BACKFILL`` + variable when it also exists in the :term:`MACHINE_FEATURES_BACKFILL` variable prevents the build system from adding the feature to your - configuration's ``MACHINE_FEATURES``, effectively disabling RTC + configuration's :term:`MACHINE_FEATURES`, effectively disabling RTC support for that particular machine. |