ref-manual: Added scons class and EXTRA_OESCONS variable.

(From yocto-docs rev: 463f9a6ee677033725756e7d5e9c3de3b445408d)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/ref-manual/ref-classes.xml

@@ -1679,6 +1679,19 @@
     </para>
 </section>
 
+<section id='ref-classes-scons'>
+    <title><filename>scons.bbclass</filename></title>
+
+    <para>
+        The <filename>scons</filename> class supports recipes that need to
+        build software that uses the SCons build system.
+        You can use the
+        <link linkend='var-EXTRA_OESCONS'><filename>EXTRA_OESCONS</filename></link>
+        variable to specify additional configuration options you want to pass
+        SCons command line.
+    </para>
+</section>
+
 <section id='ref-classes-distutils'>
     <title>Python Extensions - <filename>distutils.bbclass</filename></title>
 

documentation/ref-manual/ref-variables.xml

@@ -1803,6 +1803,17 @@
             </glossdef>
         </glossentry>
 
+        <glossentry id='var-EXTRA_OESCONS'><glossterm>EXTRA_OESCONS</glossterm>
+            <glossdef>
+                <para>
+                    When a recipe inherits the
+                    <link linkend='ref-classes-scons'><filename>scons</filename></link>
+                    class, this variable specifies additional configuration
+                    options you want to pass to the SCon command line.
+                </para>
+            </glossdef>
+        </glossentry>
+
         <glossentry id='var-EXTRA_QMAKEVARS_POST'><glossterm>EXTRA_QMAKEVARS_POST</glossterm>
             <glossdef>
                 <para>