ref-manual, dev-manual: Added CMake toolchain files.

Fixes [YOCTO #12760]

Updated the cmake.bbclass description to tell what directory
to insall custom CMake toolchain files into.  Also, updated
the two areas in the "Writing a New Recipe" section that
mention CMake.  Placed a couple notes there concerning the
same directory stuff.

(From yocto-docs rev: cacdedf4e1186a96ce00f94e0f42817dfb724ac7)

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

1 files changed, 8 insertions, 0 deletions

diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index ece47e757b..76ae334b24 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -445,6 +445,14 @@
         variable to specify additional configuration options to be passed
         using the <filename>cmake</filename> command line.
     </para>
+
+    <para>
+        On the occasion that you would be installing custom CMake toolchain
+        files supplied by the application being built, you should install them
+        to the preferred CMake Module directory:
+        <filename>${D}${datadir}/cmake/</filename> Modules during
+        <ulink url='&YOCTO_DOCS_REF_URL;#ref-tasks-install'><filename>do_install</filename></ulink>.
+    </para>
 </section>
 
 <section id='ref-classes-cml1'>