<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On 20 May 2015 at 08:37, Chuang Dong <span dir="ltr">&lt;<a href="mailto:Chuang.Dong@windriver.com" target="_blank">Chuang.Dong@windriver.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div id=":44" class="a3s" style="overflow:hidden">++AC_SUBST([mkdir_p], [&#39;$(MKDIR_P)&#39;])<br></div></blockquote></div><br>If the recipe is using mkdir_p then the <a href="http://configure.ac">configure.ac</a> should be calling AM_PROG_MKDIR_P, surely.  It&#39;s not, and I&#39;ve verified that adding it causes the variables to be defined correctly.</div><div class="gmail_extra"><br></div><div class="gmail_extra">Ross</div></div>