<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div><div>On 22 May 2015, at 18:34, Ian Hinder <<a href="mailto:ian.hinder@aei.mpg.de">ian.hinder@aei.mpg.de</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=windows-1252"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div><div>On 22 May 2015, at 16:10, Roberto De Pietri <<a href="mailto:roberto.depietri@unipr.it">roberto.depietri@unipr.it</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi Ian:<br><br><br>Thanks for the answer. I followed exactly your procedure and I was very surprised of having<br>a failing compilation. Than I starting tracing back the problem. <br>* All the thorns except one were compiling correctly.<br>* The failing thorn was CarpetIOHDF5 and of the 5 source files present only 3 failed<br>* The error was very strange because the only real problem was related to <br> a system include “/opt/local/lib/gcc49/gcc/x86_64-apple-darwin14/4.9.2/include/mmintrin.h”<br> and was related to conversion using AVX intel intrinsic. The error were of the type:<br><br> error: can’t convert between vector values of different size<br> return (__m64) __builtin_ia32_vec_init_v2si (__i, 0);<br></blockquote><div><br></div><div>There is a stackoverflow post (<a href="http://stackoverflow.com/questions/19043109/gcc-4-8-1-combining-c-code-with-c11-code">http://stackoverflow.com/questions/19043109/gcc-4-8-1-combining-c-code-with-c11-code</a> ) which describes a similar problem, which I haven't studied in depth, but they seem to suggest that it's a bug in gcc, and that setting --std=gnu++11 instead of --std=c++11 in CXXFLAGS will work around the problem. We currently have</div><div><br></div><div><div><span class="Apple-tab-span" style="white-space:pre"> </span>CXXFLAGS = -g -std=c++14</div><div><br></div><div>so I'm guessing that changing this to</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>CXXFLAGS = -g -std=gnu++14</div><div><br></div><div>might have the same effect.</div></div><div><br></div><div>What I don't understand is why we didn't pick this up in testing. I successfully compiled the whole ET using exactly that set of MacPorts packages and the optionlist before the release, and the gcc49 macports package hasn't been updated since 4 weeks ago.</div></div></div></blockquote><div><br></div><div>I should add that I tested it on 10.9.5, since I haven't been brave enough to update to 10.10 yet. I think Erik was testing on 10.10, but he can confirm that.</div></div><br><div apple-content-edited="true">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>-- </div><div>Ian Hinder</div><div><a href="http://members.aei.mpg.de/ianhin">http://members.aei.mpg.de/ianhin</a></div></div></div></div></div>
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