ref-manual: Updated the image-swab.bbclass description

Fixes [YOCTO #8439]

The "image-swab" class depends on "strace" package being on
the build host.  I added that fact to the note where we say
the class is not maintained.

(From yocto-docs rev: 503f4199b3c0bcfcd333dbab025b40f9508a6820)

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

diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index daedf8becc7191be1e1e96bd4521dd788035d1e6..647c67f2ba646aef12a4f3f9d9ef9315b9f91f19 100644 (file)
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -1468,6 +1468,8 @@
         the OpenEmbedded build process.
         <note>
             This class is currently unmaintained.
+            The <filename>strace</filename> package needs to be installed
+            in the build host as a dependency for this tool.
         </note>
     </para>
 </section>