<div dir="ltr"><div><font face="tahoma,sans-serif">Hi </font><font face="tahoma, sans-serif">Shawn, </font></div><div><font face="tahoma, sans-serif"><br></font></div><div><font face="tahoma, sans-serif">As Simon said, I think you are using an incompatible compiler version. perhaps GCC 4.3 or earlier, because GCC 4.4 change log described that:</font></div>
<div><font face="tahoma, sans-serif">"Unknown -Wno-* options are now silently ignored by GCC if no other diagnostics are issued. If other diagnostics are issued, then GCC warns about the unknown options."</font></div>
<div><font face="tahoma, sans-serif"><br></font></div><div><font face="tahoma, sans-serif">So, take a look at here and upgrade your compiler:</font></div><div><a href="http://hg.barrelfish.org/file/tip/README#l47" target="_blank">http://hg.barrelfish.org/file/tip/README#l47</a>
</div><div><br></div><div><div dir="ltr"><font color="#666666"><br>Siavash<br></font><br><br></div><br>
<br><br><div class="gmail_quote">On Wed, May 30, 2012 at 7:52 PM, Simon Peter <span dir="ltr"><<a href="mailto:speter@inf.ethz.ch" target="_blank">speter@inf.ethz.ch</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
What's your compiler version?<br>
<br>
Simon</blockquote></div></div></div>