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diff --git a/documentation/adt-manual/adt-prepare.xml b/documentation/adt-manual/adt-prepare.xml index 260e1f1..3d0cfd4 100644 --- a/documentation/adt-manual/adt-prepare.xml +++ b/documentation/adt-manual/adt-prepare.xml @@ -709,6 +709,45 @@ </para> </section> +<section id='optionally-using-an-external-toolchain'> + <title>Optionally Using an External Toolchain</title> + + <para> + You might want to use an external toolchain as part of your + development. + If this is the case, the fundamental steps you need to accomplish + are as follows: + <itemizedlist> + <listitem><para> + Understand where the installed toolchain resides. + For cases where you need to build the external toolchain, you + would need to take separate steps to build and install the + toolchain. + </para></listitem> + <listitem><para> + Make sure you add the layer that contains the toolchain to + your <filename>bblayers.conf</filename> file through the + <ulink url='&YOCTO_DOCS_REF_URL;#var-BBLAYERS'><filename>BBLAYERS</filename></ulink> + variable. + </para></listitem> + <listitem><para> + Set the + <ulink url='&YOCTO_DOCS_REF_URL;#var-EXTERNAL_TOOLCHAIN'><filename>EXTERNAL_TOOLCHAIN</filename></ulink> + variable in your <filename>local.conf</filename> file + to the location in which you installed the toolchain. + </para></listitem> + </itemizedlist> + A good example of an external toolchain used with the Yocto Project + is <trademark class='registered'>Mentor Graphics</trademark> + Sourcery G++ Toolchain. + You can see information on how to use that particular layer in the + <filename>README</filename> file at + <ulink url='http://github.com/MentorEmbedded/meta-sourcery/'></ulink>. + You can find further information by reading about the + <ulink url='&YOCTO_DOCS_REF_URL;#var-TCMODE'><filename>TCMODE</filename></ulink> + variable in the Yocto Project Reference Manual's variable glossary. + </para> +</section> </chapter> <!-- vim: expandtab tw=80 ts=4 |
