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<p class="MsoNormal">Not sure this is related to MPICH. One suggestion from StackOverflow (<a href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjd58HQ9uTwAhWTbc0KHQdzDywQFnoECBAQAA&url=https%3A%2F%2Fstackoverflow.com%2Fquestions%2F60784201%2Fwhy-does-it-compile-error-when-i-only-includemath-h&usg=AOvVaw3gC2WKJ5VI-E1IbGcvnq10">https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjd58HQ9uTwAhWTbc0KHQdzDywQFnoECBAQAA&url=https%3A%2F%2Fstackoverflow.com%2Fquestions%2F60784201%2Fwhy-does-it-compile-error-when-i-only-includemath-h&usg=AOvVaw3gC2WKJ5VI-E1IbGcvnq10</a>)
seems to suggest this is an upgrade/install issue.<o:p></o:p></p>
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<p class="MsoNormal">-- <br>
Hui Zhou<o:p></o:p></p>
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<b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Omid Bagheri via discuss <discuss@mpich.org><br>
<b>Date: </b>Monday, May 24, 2021 at 12:31 PM<br>
<b>To: </b>discuss@mpich.org <discuss@mpich.org><br>
<b>Cc: </b>Omid Bagheri <obgcee@gmail.com><br>
<b>Subject: </b>[mpich-discuss] Build MPICH Error<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in">Hello,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">I am installing MPICH Version 3.4.1 on CentOS Linux 8 and I get an error in building MPICH while the configuration was successful. I was wondering if you can help me with this.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">The m.txt and c.txt are attached to this email and I used the following to configure:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">cd /storage/bagherio/tmp/mpich-3.4.1<br>
/storage/bagherio/mpich-3.4.1/configure \<br>
-prefix=/storage/bagherio/mpich-install --with-device=ch4:ofi 2>&1 | tee c.txt<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Regards,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Omid<o:p></o:p></p>
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