sdk-manual: Updated section on changing title of extensible SDK installer

I added more information on how this is done.  Still could use a bit
of detail on how you actually do it.

(From yocto-docs rev: 007bbe40fd11a5f880adf7ad8137d1535f08c815)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 14 insertions, 3 deletions

diff --git a/documentation/sdk-manual/sdk-appendix-customizing.xml b/documentation/sdk-manual/sdk-appendix-customizing.xml
index 0f33d548cd..03cfa7f7c0 100644
--- a/documentation/sdk-manual/sdk-appendix-customizing.xml
+++ b/documentation/sdk-manual/sdk-appendix-customizing.xml
@@ -179,11 +179,12 @@
     </para>
 </section>
 
-<section id='sdk-changing-the-appearance-of-the-extensible-sdk'>
-    <title>Changing the Appearance of the Extensible SDK</title>
+<section id='sdk-changing-the-sdk-installer-title'>
+    <title>Changing the Extensible SDK Installer Title</title>
 
     <para>
-        You can change the title shown by the SDK installer by setting the
+        You can change the displayed title for the SDK installer by setting
+        the
         <ulink url='&YOCTO_DOCS_REF_URL;#var-SDK_TITLE'><filename>SDK_TITLE</filename></ulink>
         variable.
         By default, this title is derived from
@@ -194,6 +195,16 @@
         <ulink url='&YOCTO_DOCS_REF_URL;#var-DISTRO'><filename>DISTRO</filename></ulink>
         variable.
     </para>
+
+    <para>
+        The
+        <ulink url='&YOCTO_DOCS_REF_URL;#ref-classes-populate-sdk-*'><filename>populate_sdk_ext</filename></ulink>
+        class defines the default value of the <filename>SDK_TITLE</filename>
+        variable as follows:
+        <literallayout class='monospaced'>
+     SDK_TITLE_task-populate-sdk-ext = "${@d.getVar('DISTRO_NAME') or d.getVar('DISTRO')} Extensible SDK"
+        </literallayout>
+    </para>
 </section>
 
 <section id='sdk-providing-updates-after-installing-the-extensible-sdk'>