<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Mon, Mar 23, 2015 at 1:18 PM, Saul <span dir="ltr"><<a href="mailto:jaglover@gmail.com" target="_blank">jaglover@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Mon, 23 Mar 2015 14:54:41 -0400<br>
Rich Freeman <<a href="mailto:r-mythtv@thefreemanclan.net">r-mythtv@thefreemanclan.net</a>> wrote:<br>
<br>
> On Mon, Mar 23, 2015 at 2:43 PM, Gary Buhrmaster<br>
> <<a href="mailto:gary.buhrmaster@gmail.com">gary.buhrmaster@gmail.com</a>> wrote:<br>
> > On Mon, Mar 23, 2015 at 6:32 PM, Raffaele BELARDI<br>
> > <<a href="mailto:raffaele.belardi@st.com">raffaele.belardi@st.com</a>> wrote:<br>
> > .....<br>
> >> Check this out:<br>
> >><br>
> >> <a href="http://lists.mythtv.org/pipermail/mythtv-dev/2014-May/074290.html" target="_blank">http://lists.mythtv.org/pipermail/mythtv-dev/2014-May/074290.html</a><br>
> >><br>
> >> Adding -fno-devirtualize as suggested later in that thread worked<br>
> >> for me.<br>
> ><br>
> > bottom line, it was an upstream gcc bug, fixed in<br>
> > later patch levels (so, perhaps, the first thing to do<br>
> > is obtain a more recent gcc).<br>
> ><br>
> > That said, gcc 4.8 should work too.<br>
><br>
> This was also reported as:<br>
> <a href="https://bugs.gentoo.org/show_bug.cgi?id=516692" target="_blank">https://bugs.gentoo.org/show_bug.cgi?id=516692</a><br>
> <a href="https://code.mythtv.org/trac/ticket/12408" target="_blank">https://code.mythtv.org/trac/ticket/12408</a><br>
><br>
> It seems likely that a build system fix will address this, otherwise<br>
> there are the workaround...<br>
<br>
</span>Alright, the box serving as FE is not very powerful, I make heavy usage<br>
of distcc (no -march=native as a result). I created custom environment<br>
for MythTV:<br>
<br>
~ $ cat /etc/portage/env/mythtv.conf<br>
CFLAGS="-march=native -O2 -pipe -fno-devirtualize"<br>
CXXFLAGS="${CFLAGS}"<br>
MAKEOPTS=-j1<br>
FEATURES="-distcc -ccache"<br>
<br></blockquote></div>Wow, thanks for that tip. I wasn't aware of per-package config, but in retrospect I should have guessed it was possible, given how flexible Gentoo is. Seems I'm always learning something new and awesome about Gentoo...<br><br></div><div class="gmail_extra">Karl<br></div></div>