<div dir="ltr">I don&#39;t know how to fix this, but I usually build on Mac with<div><br></div><div>$ make lite debug</div><div class="gmail_extra"><br></div><div class="gmail_extra">Does that work for you? I&#39;m also on latest MacOS and Xcode, same versions.</div><div class="gmail_extra"><br></div><div class="gmail_extra">Are you using the new darwin libs (not darwin-9.x-universal)?</div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature">Mike Erwin<br>musician, naturalist, pixel pusher, hacker extraordinaire</div></div>
<br><div class="gmail_quote">On Sat, Feb 25, 2017 at 12:35 AM, kidux <span dir="ltr">&lt;<a href="mailto:blender@vip.qq.com" target="_blank">blender@vip.qq.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><p style="margin:0px 0px 12px;padding:0px;border:0px;font-family:&#39;Segoe UI&#39;,&#39;Segoe UI Web Regular&#39;,&#39;Segoe UI Symbol&#39;,Lato,&#39;Helvetica Neue&#39;,Helvetica,Arial,sans-serif;font-size:13px;font-variant-ligatures:normal"><strong style="margin-top:0px">System Information</strong><br>macOS 10.12.3 xcode 8.2.1</p><p style="margin:0px 0px 12px;padding:0px;border:0px;font-family:&#39;Segoe UI&#39;,&#39;Segoe UI Web Regular&#39;,&#39;Segoe UI Symbol&#39;,Lato,&#39;Helvetica Neue&#39;,Helvetica,Arial,sans-serif;font-size:13px;font-variant-ligatures:normal"><strong style="margin-top:0px">Blender Version</strong><br>Blender2.8 branch</p><p style="margin:0px 0px 12px;padding:0px;border:0px;font-family:&#39;Segoe UI&#39;,&#39;Segoe UI Web Regular&#39;,&#39;Segoe UI Symbol&#39;,Lato,&#39;Helvetica Neue&#39;,Helvetica,Arial,sans-serif;font-size:13px;font-variant-ligatures:normal"><strong style="margin-top:0px">Short description of error</strong><br>use command make to compile Blender2.8branch in console, error report not find &#39;mutex&#39; I think this is need set cxx to c++11 feature</p><p style="margin:0px 0px 12px;padding:0px;border:0px;font-family:&#39;Segoe UI&#39;,&#39;Segoe UI Web Regular&#39;,&#39;Segoe UI Symbol&#39;,Lato,&#39;Helvetica Neue&#39;,Helvetica,Arial,sans-serif;font-size:13px;font-variant-ligatures:normal"><strong style="margin-top:0px">Exact steps for others to reproduce the error</strong><br>when I add set(CMAKE_CXX_FLAGS &quot;${CMAKE_CXX_FLAGS} -std=c++11&quot;)<br>to cmakefile in gpu folder, make again, error report :</p><div class="m_6140654509844516190remarkup-code-block" style="margin:12px 0px;padding:0px;border:0px;white-space:pre-wrap;font-family:&#39;Segoe UI&#39;,&#39;Segoe UI Web Regular&#39;,&#39;Segoe UI Symbol&#39;,Lato,&#39;Helvetica Neue&#39;,Helvetica,Arial,sans-serif;font-size:13px;font-variant-ligatures:normal"><pre class="m_6140654509844516190remarkup-code" style="margin-top:0px;margin-bottom:0px;padding:12px;border:0px;background-color:rgba(71,87,120,0.0784314);overflow:auto;border-top-left-radius:3px;border-top-right-radius:3px;border-bottom-right-radius:3px;border-bottom-left-radius:3px;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;font-size:11px;line-height:15px;font-family:Menlo,Consolas,Monaco,monospace;background-position:initial initial;background-repeat:initial initial"> Building C object source/blender/gpu/CMakeFiles/<wbr>bf_gpu.dir/gawain/imm_util.c.o
/Volumes/HD-PNTU3/Blenderdev/<wbr>blender/source/blender/gpu/<wbr>gawain/buffer_id.cpp:13:10: fatal error: 
      &#39;mutex&#39; file not found
#include &lt;mutex&gt;</pre></div><p style="margin:0px;padding:0px;border:0px;font-family:&#39;Segoe UI&#39;,&#39;Segoe UI Web Regular&#39;,&#39;Segoe UI Symbol&#39;,Lato,&#39;Helvetica Neue&#39;,Helvetica,Arial,sans-serif;font-size:13px;font-variant-ligatures:normal">don&#39;t know why this flag can&#39;t effect this file compile process.</p></div><br>______________________________<wbr>_________________<br>
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<br></blockquote></div><br></div></div>