<div dir="ltr"><div>So the most important lines in the file you attached are here:</div><div><br></div><div><pre class="" style="padding:0.5rem;font-family:Monaco,Menlo,Consolas,'Courier New',monospace;font-size:0.75rem;color:rgb(51,51,51);border-radius:4px;margin-top:0.5rem;margin-bottom:0.2rem;line-height:1.15rem;word-wrap:break-word;white-space:pre-wrap;border:1px solid rgba(0,0,0,0.14902);background:rgb(251,250,248)">In file included from /home/alex/Python/include/python3.5m/pyatomic.h:12:0,<br> from /home/alex/Python/include/python3.5m/Python.h:53,<br> from build/src.linux-x86_64-3.5/yt/utilities/lib/geometry_utils.c:4:<br> /usr/lib/gcc/x86_64-redhat-linux/5.1.1/include/stdatomic.h:40:1: sorry, unimplemented: ‘_Atomic’ with OpenMP<br> typedef _Atomic _Bool atomic_bool;</pre></div><div><br></div><div>So python.h is bringing in pyatomic.h, which is looking for stdatomic.h, which in turn prints "sorrry, unimplemented" and breaks the build. See the following gcc bug:</div><div><br></div><div><a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65467" rel="noreferrer" target="_blank" style="color:rgb(67,159,224);outline:0px;font-family:Lato,appleLogo,sans-serif;font-size:15px;line-height:22px">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65467</a><br></div><div><br></div><div>I believe downgrading to an older gcc release (before gcc 5.0) will likely fix this. An alternative would be to manually disable openmp support in yt's setup.py script as Matt suggested.</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Sep 14, 2015 at 10:25 AM, Matthew Turk <span dir="ltr"><<a href="mailto:matthewturk@gmail.com" target="_blank">matthewturk@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Alex,<div><br></div><div>Looks like you have some weird stuff going on with OpenMP. Probably best to manually disable it in yt/utilities/lib/setup.py by having it return false for the detection.</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Sun, Sep 13, 2015 at 10:10 PM, Alexander Heger <span dir="ltr"><<a href="mailto:alexander.heger@monash.edu" target="_blank">alexander.heger@monash.edu</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">I know you don't yet quite support prime-time use of python 3.x.<br>
But since this is in progress, I provide some feedback.<br>
<br>
When doing a pip3 install yt I get the attached error message.<br>
<br>
Best wishes,<br>
Alexander<br>
<br>
<br>
<br>
<br>
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