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<p class="MsoNormal"><span lang="EN-US">Dear MPICH developers,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am currently trying to build MPICH 3.2 with the PGI 16.3 beta release on little-endian Power8 running Ubuntu.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am failing with this in the configure stage. I have tried the following two:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">./configure --prefix=/opt/mpich_pgi --with-pm=hydra CC=pgcc FC=pgfortran CPP="pgcc -E"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This fails with a compilation error that can be reproduced with the following program:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">#define int8_t signed char<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">#include <sys/types.h><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">int main ()<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">{<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> return 0;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">… with an obviously misplaced macro definition for int8_t.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The second scenario uses<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">./configure --disable-cxx --prefix=/opt/mpich_pgi_nocxx --with-pm=hydra CC=pgcc FC=pgfortran CPP="pgcc -E"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">and fails with the error message<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">“checking for OpenPA atomic primitive availability... no<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">configure: error: <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The ch3 device was selected yet no native atomic primitives are<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">available on this platform. OpenPA can emulate atomic primitives using<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">locks by specifying --with-atomic-primitives=no but performance will be<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">very poor. This override should only be specified for correctness<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">testing purposes.”<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Unfortunately the config.log only shows an exit status of 1, and not any compiler error message or test program<br>
that contains executable statements.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Any ideas?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:DE">--<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:DE">Dr. Reinhold Bader<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:DE">Leibniz Supercomputing Centre (</span><span style="mso-fareast-language:DE"><a href="http://www.lrz.de"><span lang="EN-US">http://www.lrz.de</span></a></span><span lang="EN-US" style="mso-fareast-language:DE">)
/ HPC Systems and Services<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE">Tel.: 0049 89 35831 8825 Fax: 8625<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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