<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On 22 January 2016 at 01:59, Robert Yang <span dir="ltr"><<a href="mailto:liezhi.yang@windriver.com" target="_blank">liezhi.yang@windriver.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div id=":u77" class="a3s" style="overflow:hidden">The base.bbclass can handle PACKAGECONFIG well when it is not set, so<br>
PACKAGECONFIG ??= "" isn't useful here, but there are a lot of them,<br>
which may mislead the newbie that it is a must.</div></blockquote></div><br>I actually like the clarity of PACKAGECONFIG??="". Does anyone else have an opinion either way?</div><div class="gmail_extra"><br></div><div class="gmail_extra">Ross</div></div>