sdk-manual: Updated section to locate and install pre-built SDK

The section "Locating Pre-Built SDK Installers" was turned into
a procedure.  I also added some information on the actual names
of the *.sh files.

(From yocto-docs rev: 548886d5a392164783596c0c04779aaffd6ac930)

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

documentation/sdk-manual/sdk-appendix-obtain.xml

@@ -18,37 +18,71 @@
     </para>
 
     <para>
-        You can find SDK installers here:
+        Follow these steps to locate and hand-install the toolchain:
-        <itemizedlist>
+        <orderedlist>
-            <listitem><para><emphasis>Standard SDK Installers:</emphasis>
+            <listitem><para>
+                <emphasis>Go to the Installers Directory:</emphasis>
                 Go to <ulink url='&YOCTO_TOOLCHAIN_DL_URL;'></ulink>
-                and find the folder that matches your host development system
-                (i.e. <filename>i686</filename> for 32-bit machines or
-                <filename>x86_64</filename> for 64-bit machines).</para>
-
-                <para>Go into that folder and download the SDK installer
-                whose name includes the appropriate target architecture.
-                The toolchains provided by the Yocto Project are based off of
-                the <filename>core-image-sato</filename> image and contain
-                libraries appropriate for developing against that image.
-                For example, if your host development system is a 64-bit x86
-                system and you are going to use your cross-toolchain for a
-                32-bit x86 target, go into the <filename>x86_64</filename>
-                folder and download the following installer:
-                <literallayout class='monospaced'>
-     poky-glibc-x86_64-core-image-sato-i586-toolchain-&DISTRO;.sh
-                </literallayout>
                 </para></listitem>
-            <listitem><para><emphasis>Extensible SDK Installers:</emphasis>
+            <listitem><para>
-                Installers for the extensible SDK are also located in
+                <emphasis>Open the Folder for Your Development System:</emphasis>
-                <ulink url='&YOCTO_TOOLCHAIN_DL_URL;'></ulink>.
+                Open the folder that matches your host development system
-                These installers have the string
+                (i.e. <filename>i686</filename> for 32-bit machines or
-                <filename>ext</filename> as part of their names:
+                <filename>x86_64</filename> for 64-bit machines).
+                </para></listitem>
+            <listitem><para>
+                <emphasis>Locate and Download the SDK Installer:</emphasis>
+                You need to find and download the installer appropriate for
+                your development system, target hardware, and image type.
+                </para>
+
+                <para>The installer files (<filename>*.sh</filename>) follow
+                this naming convention:
+                <literallayout class='monospaced'>
+     poky-eglibc-<replaceable>host_system</replaceable>-core-image-<replaceable>type</replaceable>-<replaceable>arch</replaceable>-toolchain-ext-<replaceable>release</replaceable>.sh
+
+     Where:
+         <replaceable>host_system</replaceable> is a string representing your development system:
+                i686 or x86_64.
+
+         <replaceable>type</replaceable> is a string representing either a "sato" or "minimal"
+                image.
+
+         <replaceable>arch</replaceable> is a string representing the target architecture:
+                aarch64, armv5e, core2-64, coretexa8hf-neon, i586, mips3242,
+                mips64, or ppc7400.
+
+         <replaceable>release</replaceable> is the version of Yocto Project.
+
+         NOTE:
+            The standard SDK installer does not have the "-ext" string as
+            part of the filename.
+
+                </literallayout>
+                The toolchains provided by the Yocto Project are based off of
+                the <filename>core-image-sato</filename> and
+                <filename>core-image-minimal</filename> images and contain
+                libraries appropriate for developing against those images.
+                </para>
+
+                <para>For example, if your host development system is a
+                64-bit x86 system and you are need an extended SDK for a
+                64-bit core2 target, go into the <filename>x86_64</filename>
+                folder and download the following installer:
                 <literallayout class='monospaced'>
      poky-glibc-x86_64-core-image-sato-core2-64-toolchain-ext-&DISTRO;.sh
                 </literallayout>
                 </para></listitem>
-        </itemizedlist>
+            <listitem><para>
+                <emphasis>Run the Installer:</emphasis>
+                Be sure you have execution privileges and run the installer.
+                Following is an example from the <filename>Downloads</filename>
+                directory:
+                <literallayout class='monospaced'>
+     $ ~/Downloads/poky-glibc-x86_64-core-image-sato-core2-64-toolchain-ext-&DISTRO;.sh
+                </literallayout>
+                </para></listitem>
+        </orderedlist>
     </para>
 </section>