Hi Joe,<div><br></div><div>It looks like you are missing OpenMPI.</div><div><br></div><div>Are you using the very latest version of sl6.cfg? That&#39;s the one here: <a href="https://svn.cct.lsu.edu/repos/numrel/simfactory2/trunk/mdb/optionlists/sl6.cfg">https://svn.cct.lsu.edu/repos/numrel/simfactory2/trunk/mdb/optionlists/sl6.cfg</a>. At the top of that it gives commands for installing gsl-devel and openmpi-devel. The second of these should provide the necessary OpenMPI.</div>

<div><br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">hwloc selected, but HWLOC_DIR not set. Checking some places...<br>

<br><div class="gmail_extra"><div class="gmail_quote"><div style="word-wrap:break-word"><div>I was able to get past that by installing hwloc-devel using yum as well.</div></div></div></div></div></blockquote><div><br></div>

<div>Unfortunately, the version provided by hwloc-devel is too old. If you use the latest sl6.cfg it will build hwloc instead.</div><div><br></div><div>Barry</div></div><br></div>