ref-manual: add usage NOTE to IMAGE_FSTYPES

Due to the way in which IMAGE_FSTYPES is processed, it is not possible to
modify it using _append or _prepend. Therefore add a note to the manual to
warn users in case they stumble on this issue.

(From yocto-docs rev: 304e196329842d04356775fb8ad5d73466413e66)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Trevor Woerner 2013-11-25 11:35:58 -08:00 committed by Richard Purdie
parent 579dce4233
commit 71619842de
1 changed files with 9 additions and 0 deletions

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@ -2199,6 +2199,15 @@
you can choose, see
<link linkend='var-IMAGE_TYPES'><filename>IMAGE_TYPES</filename></link>.
</para>
<note>
Due to the way this variable is processed, it is not
possible to update its contents using
<filename>_append</filename> or
<filename>_prepend</filename>. To add one or more
additional options to this variable the
<filename>+=</filename> operator must be used.
</note>
</glossdef>
</glossentry>