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<title>9.2. Machine</title>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="section" title="9.2. Machine">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="ref-features-machine"></a>9.2. Machine</h2></div></div></div>
<p>
The items below are features you can use with
<a class="link" href="ref-variables-glos.html#var-MACHINE_FEATURES" title="MACHINE_FEATURES"><code class="filename">MACHINE_FEATURES</code></a>.
Features do not have a one-to-one correspondence to packages, and they can
go beyond simply controlling the installation of a package or packages.
Sometimes a feature can influence how certain recipes are built.
For example, a feature might determine whether a particular configure option
is specified within <code class="filename">do_configure</code> for a particular
recipe.
</p>
<p>
This feature list only represents features as shipped with the Yocto Project metadata:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem"><p><span class="emphasis"><em>acpi:</em></span> Hardware has ACPI (x86/x86_64 only)
</p></li>
<li class="listitem"><p><span class="emphasis"><em>alsa:</em></span> Hardware has ALSA audio drivers
</p></li>
<li class="listitem"><p><span class="emphasis"><em>apm:</em></span> Hardware uses APM (or APM emulation)
</p></li>
<li class="listitem"><p><span class="emphasis"><em>bluetooth:</em></span> Hardware has integrated BT
</p></li>
<li class="listitem"><p><span class="emphasis"><em>ext2:</em></span> Hardware HDD or Microdrive
</p></li>
<li class="listitem"><p><span class="emphasis"><em>irda:</em></span> Hardware has Irda support
</p></li>
<li class="listitem"><p><span class="emphasis"><em>keyboard:</em></span> Hardware has a keyboard
</p></li>
<li class="listitem"><p><span class="emphasis"><em>pci:</em></span> Hardware has a PCI bus
</p></li>
<li class="listitem"><p><span class="emphasis"><em>pcmcia:</em></span> Hardware has PCMCIA or CompactFlash sockets
</p></li>
<li class="listitem"><p><span class="emphasis"><em>screen:</em></span> Hardware has a screen
</p></li>
<li class="listitem"><p><span class="emphasis"><em>serial:</em></span> Hardware has serial support (usually RS232)
</p></li>
<li class="listitem"><p><span class="emphasis"><em>touchscreen:</em></span> Hardware has a touchscreen
</p></li>
<li class="listitem"><p><span class="emphasis"><em>usbgadget:</em></span> Hardware is USB gadget device capable
</p></li>
<li class="listitem"><p><span class="emphasis"><em>usbhost:</em></span> Hardware is USB Host capable
</p></li>
<li class="listitem"><p><span class="emphasis"><em>wifi:</em></span> Hardware has integrated WiFi
</p></li>
</ul></div>
<p>
</p>
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