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<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">You can uninstall the version that was compiled with gcc 4.8 by doing<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Courier;mso-fareast-language:EN-US">spack uninstall margo %gcc@4.8.5<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">or<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Courier;mso-fareast-language:EN-US">spack uninstall margo /</span><span style="font-family:Courier;mso-fareast-language:EN-US">t3x4fur</span><span lang="EN-US" style="font-family:Courier;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Make sure that spack uses gcc 6.4.0 by default since many of the Mochi libraries won’t compile with 4.8.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Matthieu<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">mochi-devel <mochi-devel-bounces@lists.mcs.anl.gov> on behalf of Abid Malik via mochi-devel <mochi-devel@lists.mcs.anl.gov><br>
<b>Reply to: </b>Abid Malik <abidmuslim@gmail.com><br>
<b>Date: </b>Friday, 1 November 2019 at 12:30<br>
<b>To: </b>"mochi-devel@lists.mcs.anl.gov" <mochi-devel@lists.mcs.anl.gov><br>
<b>Subject: </b>[Mochi-devel] Mochi on Summit<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Courier New"">Hello,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Courier New"">I am trying to play with Mochi on Summit. I installed it using Spack. It was successful. However, when I use </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif">spack
load -r margo I got the following error:</span><span style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Courier New"">[amalik@login5.summit mochi]$ spack load -r margo<br>
==> Error: the constraint '['margo']' matches multiple packages:<br>
t3x4fur margo@0.5.2%gcc@4.8.5 arch=linux-rhel7-power8le<br>
gniufvt margo@0.5.2%gcc@6.4.0 arch=linux-rhel7-power9le<br>
<br>
==> Error: In this context exactly **one** match is needed: please specify your constraints better.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Courier New"">I think it is confused by the availability of two compilers. How should I solve this issue?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal">Abid M. Malik<br>
******************************************************<br>
"I have learned silence from the talkative, toleration from the intolerant, and kindness from the unkind"---Gibran<br>
"Success is not for the chosen few, but for the few who choose" --- John Maxwell<br>
"Being a good person does not depend on your religion or status in life, your race or skin color, political views or culture. IT DEPENDS ON HOW GOOD YOU TREAT OTHERS"--- Abid<br>
"The Universe is talking to us, and the language of the Universe is mathematics."----Abid<br>
<o:p></o:p></p>
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