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Hi Satish,
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<div class="">many thanks for this detailed cooking recipe (very practical for a beginner)!</div>
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<div class="">Now I receive the following message</div>
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<div class="">“<span style="color: rgb(0, 0, 0); font-family: Menlo; font-size: 11px;" class="">luochengyi@macbook-pro-2 petsc % make PETSC_DIR=/Users/luochengyi/Downloads/petsc PETSC_ARCH=arch-darwin-c-debug check</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">Running check examples to verify correct installation</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">Using PETSC_DIR=/Users/luochengyi/Downloads/petsc and PETSC_ARCH=arch-darwin-c-debug</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">C/C++ example src/snes/tutorials/ex19 run successfully with 1 MPI process</span></div>
<div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; color: rgb(0, 0, 0);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class="">C/C++ example src/snes/tutorials/ex19 run successfully with 2 MPI processes</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">C/C++ example src/snes/tutorials/ex19 run successfully with mumps</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">Fortran example src/snes/tutorials/ex5f run successfully with 1 MPI process</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">Completed test examples</span></div>
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<div class="">So I think the installation is complete. However, when I run my dealii codes, I still received the same error message</div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">Additional information: </span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class=""> Your PETSc installation does not include a copy of the MUMPS package necessary for this solver. You will need to configure PETSc so that it includes MUMPS, recompile it, and then re-configure
and recompile deal.II as well.</span></div>
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<div class="">I think I’ve already configure the PETSc including MUMPS and recompiled it.</div>
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<div class="">I also use cmake to link the necessary libraries. Is there anything else I need to do?</div>
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<div class="">Best,</div>
<div class="">Chenyi<br class="">
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<div class="">On Dec 9, 2020, at 10:35 PM, Satish Balay <<a href="mailto:balay@mcs.anl.gov" class="">balay@mcs.anl.gov</a>> wrote:</div>
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<div class="">On Wed, 9 Dec 2020, Satish Balay via petsc-users wrote:<br class="">
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<blockquote type="cite" class="">Its best to reinstall brew (packages) and retry.<br class="">
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And here is one way to do this:<br class="">
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1. Make list of pkgs to reinstall<br class="">
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brew leaves > reinstall.lst<br class="">
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2. delete all installed brew packages.<br class="">
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brew cleanup<br class="">
brew list > delete.lst<br class="">
brew remove `cat delete.lst`<br class="">
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3. Now reinstall all required packages<br class="">
brew update<br class="">
brew install `cat reinstall.lst`<br class="">
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Satish<br class="">
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