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<p class="MsoNormal">Dear Pierre,</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">thanks for the fast response. Unfortunately it still fails, but now in the configure of ScaLAPACK</p>
<p class="MsoNormal">(which means that it went ok for slepc, tetgen, metis, parmetis, ptscotch, superlu and suitesparse).</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The way I applied the modification is by manually editing the Makefile in the 3rdparty/ff-petsc folder, adding -fallow-invalid-boz to both CFLAGS and FFLAGS (this entry added by me). Then executed make petsc-slepc.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As my project is much less ambitious, I have a good feeling that I will be able to use your Makefile successfully, but as I am kind of slow I tought that it would have been useful for you to know. The configure.log is attached. This time
the error is:</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Rank mismatch between actual argument at (1) and actual argument at (2) (scalar and rank-1)</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">in subroutine pclarf.f of ScaLAPACK.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">However, before attampting with my project, I have few questions about your Makefile, in particular this piece:</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">--with-mpi-lib=/c/Windows/System32/msmpi.dll --with-mpi-include=/home/paolo/FreeFem-sources/3rdparty/include/msmpi --with-mpiexec="/C/Program\ Files/Microsoft\ MPI/Bin/mpiexec"</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I see from MPI.py that I should not use ‘--with-mpi-lib/include’ if I want to use my now working mpi wrappers. Is this correct?</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Paolo </p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Inviato da <a href="https://go.microsoft.com/fwlink/?LinkId=550986">
Posta</a> per Windows 10</p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="border:none;padding:0cm"><b>Da: </b><a href="mailto:pierre.jolivet@enseeiht.fr">Pierre Jolivet</a><br>
<b>Inviato: </b>lunedì 29 giugno 2020 21:37<br>
<b>A: </b><a href="mailto:paololampitella@hotmail.com">Paolo Lampitella</a><br>
<b>Cc: </b><a href="mailto:knepley@gmail.com">Matthew Knepley</a>; <a href="mailto:petsc-users@mcs.anl.gov">
petsc-users</a><br>
<b>Oggetto: </b>Re: [petsc-users] PETSc and Windows 10</p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I do not give up easily on Windows problems:<o:p></o:p></p>
<div>
<p class="MsoNormal">1) that’s around 50% of our (FreeFEM) user-base (and I want them to use PETSc and SLEPc, ofc…)<o:p></o:p></p>
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<p class="MsoNormal">2) most people I work with from corporations just have Windows laptops/desktops and I always recommend MSYS because it’s very lightweight and you can pass .exe around<o:p></o:p></p>
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<p class="MsoNormal">3) I’ve bothered enough Satish, Jed, and Matt on GitLab to take (at least partially) the blame now when it doesn’t work on MSYS<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">That being said, the magic keyword is the added flag FFLAGS="-fallow-invalid-boz" (see, I told you ./configure issues were easier to deal with than the others).<o:p></o:p></p>
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<p class="MsoNormal">Here you’ll see that everything goes through just fine (sorry, it took me a long time to post this because everything is slow on my VM):<o:p></o:p></p>
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<p class="MsoNormal">1) <a href="http://jolivet.perso.enseeiht.fr/win10/configure.log">http://jolivet.perso.enseeiht.fr/win10/configure.log</a><o:p></o:p></p>
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<p class="MsoNormal">2) <a href="http://jolivet.perso.enseeiht.fr/win10/make.log">http://jolivet.perso.enseeiht.fr/win10/make.log</a> (both steps #1 and #2 in MSYS terminal, gcc/gfortran 10, MS-MPI see screenshot)<o:p></o:p></p>
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<p class="MsoNormal">3) <a href="http://jolivet.perso.enseeiht.fr/win10/ex2.txt">http://jolivet.perso.enseeiht.fr/win10/ex2.txt</a> (Command Prompt, 4 processes + MUMPS, I can send you the .exe if you want to try on your machine)<o:p></o:p></p>
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<p class="MsoNormal">I just realize that I didn’t generate the Fortran bindings, but you can see I compiled MUMPS and ScaLAPACK, so that shouldn’t be a problem.<o:p></o:p></p>
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<p class="MsoNormal">Or if there is a problem, we will need to fix this in PETSc.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I’ll push this added flag to the FreeFEM repo, thanks for reminding me of the brokenness of gcc/gfortran 10 + MS-MPI.<o:p></o:p></p>
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<p class="MsoNormal">Here is to hoping this won’t affect PETSc ./configure with previous gcc/gfortran version (unlikely, this option is apparently 13-year old <a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29471">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29471</a>)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Let me know of the next hiccup, if any.<o:p></o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
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<p class="MsoNormal">Pierre<o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal">On 29 Jun 2020, at 8:09 PM, Paolo Lampitella <<a href="mailto:paololampitella@hotmail.com">paololampitella@hotmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Dear Pierre,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">thanks again for your time<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I guess there is no way for me to use the toolchain you are using (I don’t remember having any choice on which version of MSYS or GCC I could install)<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Paolo<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Inviato da<span class="apple-converted-space"> </span><a href="https://go.microsoft.com/fwlink/?LinkId=550986">Posta</a><span class="apple-converted-space"> </span>per Windows 10<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><b>Da:<span class="apple-converted-space"> </span></b><a href="mailto:pierre.jolivet@enseeiht.fr">Pierre Jolivet</a><br>
<b>Inviato:<span class="apple-converted-space"> </span></b>lunedì 29 giugno 2020 20:01<br>
<b>A:<span class="apple-converted-space"> </span></b><a href="mailto:knepley@gmail.com">Matthew Knepley</a><br>
<b>Cc:<span class="apple-converted-space"> </span></b><a href="mailto:paololampitella@hotmail.com">Paolo Lampitella</a>;<span class="apple-converted-space"> </span><a href="mailto:petsc-users@mcs.anl.gov">petsc-users</a><br>
<b>Oggetto:<span class="apple-converted-space"> </span></b>Re: [petsc-users] PETSc and Windows 10<o:p></o:p></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"><br>
<br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal">On 29 Jun 2020, at 7:47 PM, Matthew Knepley <<a href="mailto:knepley@gmail.com">knepley@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Mon, Jun 29, 2020 at 1:35 PM Paolo Lampitella <<a href="mailto:paololampitella@hotmail.com">paololampitella@hotmail.com</a>> wrote:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Dear Pierre, sorry to bother you, but I already have some issues. What I did:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<li class="gmail-m2888408931258405589msolistparagraph" style="mso-list:l1 level1 lfo1">
<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -R mingw-w64-x86_64-python mingw-w64-x86_64-gdb (is gdb also troublesome?)</span><o:p></o:p></li><li class="gmail-m2888408931258405589msolistparagraph" style="mso-list:l1 level1 lfo1">
<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Followed points 6 and 7 at<span class="apple-converted-space"> </span><a href="https://doc.freefem.org/introduction/installation.html#compilation-on-windows" target="_blank">https://doc.freefem.org/introduction/installation.html#compilation-on-windows</a></span><o:p></o:p></li></ul>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">I first got a warning on the configure at point 6, as –disable-hips is not recognized. Then, on make ‘petsc-slepc’ of point 7 (no SUDO=sudo flag was necessary) I got to this
point:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">tar xzf ../pkg/petsc-lite-3.13.0.tar.gz</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">patch -p1 < petsc-suitesparse.patch</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">patching file petsc-3.13.0/config/BuildSystem/config/packages/SuiteSparse.py</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">touch petsc-3.13.0/tag-tar</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">cd petsc-3.13.0 && ./configure MAKEFLAGS='' \</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <span class="apple-converted-space"> </span>--prefix=/home/paolo/freefem/ff-petsc//r \</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <span class="apple-converted-space"> </span>--with-debugging=0 COPTFLAGS='-O3 -mtune=generic' CXXOPTFLAGS='-O3 -mtune=generic' FOPTFLAGS='-O3 -mtune=generic' --with-cxx-dialect=C++11
--with-ssl=0 --with-x=0 --with-fortran-bindings=0 --with-shared-libraries=0 --with-cc='gcc' --with-cxx='g++' --with-fc='gfortran' CXXFLAGS='-fno-stack-protector' CFLAGS='-fno-stack-protector' --with-scalar-type=real --with-mpi-lib='/c/Windows/System32/msmpi.dll'
--with-mpi-include='/home/paolo/FreeFem-sources/3rdparty/include/msmpi' --with-mpiexec='/C/Program\ Files/Microsoft\ MPI/Bin/mpiexec' --with-blaslapack-include='' --with-blaslapack-lib='/mingw64/bin/libopenblas.dll' --download-scalapack --download-metis --download-ptscotch
--download-mumps --download-hypre --download-parmetis --download-superlu --download-suitesparse --download-tetgen --download-slepc '--download-metis-cmake-arguments=-G "MSYS Makefiles"' '--download-parmetis-cmake-arguments=-G "MSYS Makefiles"' '--download-superlu-cmake-arguments=-G
"MSYS Makefiles"' '--download-hypre-configure-arguments=--build=x86_64-linux-gnu --host=x86_64-linux-gnu' PETSC_ARCH=fr</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">===============================================================================</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <span class="apple-converted-space"> </span>Configuring PETSc to compile on your system</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">===============================================================================</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">TESTING: FortranMPICheck from config.packages.MPI(config/BuildSystem/config/pack*******************************************************************************</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <span class="apple-converted-space"> </span>UNABLE to CONFIGURE with GIVEN OPTIONS (see configure.log for details):</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">-------------------------------------------------------------------------------</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Fortran error! mpi_init() could not be located!</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">*******************************************************************************</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">make: *** [Makefile:210: petsc-3.13.0/tag-conf-real] Errore 1</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Note that I didn’t add anything to any PATH variable, because this is not mentioned in your documentation.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On a side note, this is the same error I got when trying to build PETSc in Cygwin with the default OpenMPI available in Cygwin.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">I am attaching the configure.log… it seems to me that the error comes from the configure trying to include the mpif.h in your folder and not using the -fallow-invalid-boz
flag that I had to use, for example, to compile mpi.f90 into mpi.mod</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">But I’m not sure why this is happening</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Pierre,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Could this be due to gcc 10?</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Sorry, I’m slow. You are right. Our workers use gcc 9, everything is fine, but I see on my VM which I updated that I use gcc 10 and had to disable Fortran, I guess the MUMPS run I showcased was with a prior PETSc build.<o:p></o:p></p>
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<p class="MsoNormal">I’ll try to resolve this and will keep you posted.<o:p></o:p></p>
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<p class="MsoNormal">They really caught a lot of people off guard with gfortran 10…<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
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<p class="MsoNormal">Pierre<o:p></o:p></p>
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<p class="MsoNormal"><br>
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<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Executing: gfortran -c -o /tmp/petsc-ur0cff6a/config.libraries/conftest.o -I/tmp/petsc-ur0cff6a/config.compilers -I/tmp/petsc-ur0cff6a/config.setCompilers -I/tmp/petsc-ur0cff6a/config.compilersFortran
-I/tmp/petsc-ur0cff6a/config.libraries -Wall -ffree-line-length-0 -Wno-unused-dummy-argument -O3 -mtune=generic -I/home/paolo/FreeFem-sources/3rdparty/include/msmpi /tmp/petsc-ur0cff6a/config.libraries/conftest.F90<span class="apple-converted-space"> </span><br>
Possible ERROR while running compiler: exit code 1<br>
stderr:<br>
C:/msys64/home/paolo/FreeFem-sources/3rdparty/include/msmpi/mpif.h:227:36:<br>
<br>
227 | PARAMETER (MPI_DATATYPE_NULL=z'0c000000')<br>
| 1<br>
Error: BOZ literal constant at (1) is neither a data-stmt-constant nor an actual argument to INT, REAL, DBLE, or CMPLX intrinsic function [see '-fno-allow-invalid-boz']<br>
C:/msys64/home/paolo/FreeFem-sources/3rdparty/include/msmpi/mpif.h:303:27:<br>
<br>
303 | PARAMETER (MPI_CHAR=z'4c000101')<br>
| 1<br>
Error: BOZ literal constant at (1) is neither a data-stmt-constant nor an actual argument to INT, REAL, DBLE, or CMPLX intrinsic function [see '-fno-allow-invalid-boz']<br>
C:/msys64/home/paolo/FreeFem-sources/3rdparty/include/msmpi/mpif.h:305:36:<br>
<br>
305 | PARAMETER (MPI_UNSIGNED_CHAR=z'4c000102')<br>
| 1</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <span class="apple-converted-space"> </span>Thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> Matt</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Thanks</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Paolo</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Inviato da<span class="apple-converted-space"> </span><a href="https://go.microsoft.com/fwlink/?LinkId=550986" target="_blank">Posta</a><span class="apple-converted-space"> </span>per
Windows 10</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Da:<span class="apple-converted-space"> </span></span></b><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><a href="mailto:pierre.jolivet@enseeiht.fr" target="_blank">Pierre
Jolivet</a><br>
<b>Inviato:<span class="apple-converted-space"> </span></b>lunedì 29 giugno 2020 18:34<br>
<b>A:<span class="apple-converted-space"> </span></b><a href="mailto:paololampitella@hotmail.com" target="_blank">Paolo Lampitella</a><br>
<b>Cc:<span class="apple-converted-space"> </span></b><a href="mailto:balay@mcs.anl.gov" target="_blank">Satish Balay</a>;<span class="apple-converted-space"> </span><a href="mailto:petsc-users@mcs.anl.gov" target="_blank">petsc-users</a><br>
<b>Oggetto:<span class="apple-converted-space"> </span></b>Re: [petsc-users] PETSc and Windows 10</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On 29 Jun 2020, at 6:27 PM, Paolo Lampitella <<a href="mailto:paololampitella@hotmail.com" target="_blank">paololampitella@hotmail.com</a>> wrote:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">I think I made the first step of having mingw64 from msys2 working with ms-mpi.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">I found that the issue I was having was related to:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91556" target="_blank">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91556</a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">and, probably (but impossible to check now), I was using an msys2 and/or mingw mpi package before this fix:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><a href="https://github.com/msys2/MINGW-packages/commit/11b4cff3d2ec7411037b692b0ad5a9f3e9b9978d#diff-eac59989e3096be97d940c8f47b50fba" target="_blank">https://github.com/msys2/MINGW-packages/commit/11b4cff3d2ec7411037b692b0ad5a9f3e9b9978d#diff-eac59989e3096be97d940c8f47b50fba</a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Admittedly, I never used gcc 10 before on any machine. Still, I feel that reporting that sort of error in that way is,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">at least, misleading (I would have preferred the initial implementation as mentioned in the gcc bug track).</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">A second thing that I was not used to, and made me more uncertain of the procedure I was following, is having to compile myself the mpi module. There are several version of
this out there, but I decided to stick with this one:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><a href="https://www.scivision.dev/windows-mpi-msys2/" target="_blank">https://www.scivision.dev/windows-mpi-msys2/</a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">even if there seems to be no need to include -fno-range-check and the current mpi.f90 version is different from the mpif.h as reported here:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><a href="https://github.com/microsoft/Microsoft-MPI/issues/33" target="_blank">https://github.com/microsoft/Microsoft-MPI/issues/33</a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">which, to me, are both signs of lack of attention on the fortran side by those that maintain this thing.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">In summary, this is the procedure I followed so far (on a 64 bit machine with Windows 10):</span><o:p></o:p></p>
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<li class="gmail-m2888408931258405589msolistparagraph" style="margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l2 level1 lfo2">
<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Install MSYS2 from<span class="gmail-m2888408931258405589apple-converted-space"> </span><a href="https://www.msys2.org/" target="_blank">https://www.msys2.org/</a><span class="gmail-m2888408931258405589apple-converted-space"> </span>and
just follow the install wizard</span><o:p></o:p></li><li class="gmail-m2888408931258405589msolistparagraph" style="margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l2 level1 lfo2">
<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Open the MSYS2 terminal and execute: pacman -Syuu</span><o:p></o:p></li><li class="gmail-m2888408931258405589msolistparagraph" style="margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l2 level1 lfo2">
<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Close the terminal when asked and reopen it</span><o:p></o:p></li><li class="gmail-m2888408931258405589msolistparagraph" style="margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l2 level1 lfo2">
<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Keep executing ‘pacman -Syuu’ until nothing else needs to be updated</span><o:p></o:p></li><li class="gmail-m2888408931258405589msolistparagraph" style="margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l2 level1 lfo2">
<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Close the MSYS2 terminal and reopen it (I guess because was in paranoid mode), then install packages with:</span><o:p></o:p></li></ul>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S base-devel git gcc gcc-fortran bsdcpio lndir pax-git unzip</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-toolchain</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-msmpi</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-cmake</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-freeglut</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-gsl</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-libmicroutils</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-hdf5</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-openblas</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-arpack</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S mingw-w64-x86_64-jq</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">This set should include all the libraries mentioned by Pierre and/or used by his Jenkins, as the final scope here is to have PETSc and dependencies working. But I think that
for pure MPI one could stop to msmpi (even, maybe, just install msmpi and have the dependencies figured out by pacman). Honestly, I don’t remember the exact order I used to install the packages, but this should not affect things. Also, as I was still in paranoid
mode, I kept executing ‘pacman -Syuu’ after each package was installed. After this, close the MSYS2 terminal.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<ul style="margin-top:0cm" type="disc">
<li class="gmail-m2888408931258405589msolistparagraph" style="margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l3 level1 lfo3">
<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Open the MINGW64 terminal and create the .mod file out of the mpi.f90 file, as mentioned here<span class="gmail-m2888408931258405589apple-converted-space"> </span><a href="https://www.scivision.dev/windows-mpi-msys2/" target="_blank"><span class="gmail-m2888408931258405589apple-converted-space"><span style="color:windowtext;text-decoration:none">https://www.scivision.dev/windows-mpi-msys2/</span></span></a>,
with:</span><o:p></o:p></li></ul>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">cd /mingw64/include</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">gfortran mpif90 -c -fno-range-check -fallow-invalid-boz</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Ah, yes, that’s new to gfortran 10 (we use gfortran 9 on our workers), which is now what’s ship with MSYS2 (we haven’t updated yet). Sorry that I forgot about that.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">This is needed to ‘USE mpi’ (as opposed to INCLUDE ‘mpif.h’)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<ul style="margin-top:0cm" type="disc">
<li class="gmail-m2888408931258405589msolistparagraph" style="margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l0 level1 lfo4">
<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Install the latest MS-MPI (both sdk and setup) from<span class="gmail-m2888408931258405589apple-converted-space"> </span><a href="https://www.microsoft.com/en-us/download/details.aspx?id=100593" target="_blank"><span class="gmail-m2888408931258405589apple-converted-space"><span style="color:windowtext;text-decoration:none">https://www.microsoft.com/en-us/download/details.aspx?id=100593</span></span></a></span><o:p></o:p></li></ul>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">At this point I’ve been able to compile (using the MINGW64 terminal) different mpi test programs and they run as expected in the classical Windows prompt. I added this function
to my .bashrc in MSYS2 in order to easily copy the required dependencies out of MSYS:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">function copydep() { ldd $1 | grep "=> /$2" | awk '{print $3}' | xargs -I '{}' cp -v '{}' .; }</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">which can be used, with the MINGW64 terminal, by navigating to the folder where the final executable, say, my.exe, resides (even if under a Windows path) and executing:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">copydep my.exe mingw64</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">This, of course, must be done before actually trying to execute the .exe in the windows cmd prompt.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Hopefully, I should now be able to follow Pierre’s instructions for PETSc (but first I wanna give a try to the system python before removing it)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Looks like the hard part is over. It’s usually easier to deal with ./configure issues.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">If you have weird errors like “incomplete Cygwin install” or whatever, this is the kind of issues I was referring to earlier.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">In that case, what I’d suggest is just, as before:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -R mingw-w64-x86_64-python mingw-w64-x86_64-gdb</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">pacman -S python</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Pierre</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Thanks</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Paolo</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><br clear="all">
</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">--<span class="apple-converted-space"> </span></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a></span><o:p></o:p></p>
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