<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 29 Jun 2020, at 7:47 PM, Matthew Knepley <<a href="mailto:knepley@gmail.com" class="">knepley@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div dir="ltr" class="">On Mon, Jun 29, 2020 at 1:35 PM Paolo Lampitella <<a href="mailto:paololampitella@hotmail.com" class="">paololampitella@hotmail.com</a>> wrote:<br class=""></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div lang="IT" class=""><div class="gmail-m_2888408931258405589WordSection1"><p class="MsoNormal">Dear Pierre, sorry to bother you, but I already have some issues. What I did:</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><ul type="disc" class=""><li class="gmail-m_2888408931258405589MsoListParagraph">pacman -R mingw-w64-x86_64-python mingw-w64-x86_64-gdb (is gdb also troublesome?)</li><li class="gmail-m_2888408931258405589MsoListParagraph">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" class="">https://doc.freefem.org/introduction/installation.html#compilation-on-windows</a></li></ul><p class="MsoNormal">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:</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">tar xzf ../pkg/petsc-lite-3.13.0.tar.gz</p><p class="MsoNormal">patch -p1 < petsc-suitesparse.patch</p><p class="MsoNormal">patching file petsc-3.13.0/config/BuildSystem/config/packages/SuiteSparse.py</p><p class="MsoNormal">touch petsc-3.13.0/tag-tar</p><p class="MsoNormal">cd petsc-3.13.0 && ./configure MAKEFLAGS='' \</p><p class="MsoNormal"> <span class="Apple-converted-space"> </span>--prefix=/home/paolo/freefem/ff-petsc//r \</p><p class="MsoNormal"> <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</p><p class="MsoNormal">===============================================================================</p><p class="MsoNormal"> <span class="Apple-converted-space"> </span>Configuring PETSc to compile on your system</p><p class="MsoNormal">===============================================================================</p><p class="MsoNormal">TESTING: FortranMPICheck from config.packages.MPI(config/BuildSystem/config/pack*******************************************************************************</p><p class="MsoNormal"> <span class="Apple-converted-space"> </span>UNABLE to CONFIGURE with GIVEN OPTIONS (see configure.log for details):</p><p class="MsoNormal">-------------------------------------------------------------------------------</p><p class="MsoNormal">Fortran error! mpi_init() could not be located!</p><p class="MsoNormal">*******************************************************************************</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">make: *** [Makefile:210: petsc-3.13.0/tag-conf-real] Errore 1</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">Note that I didn’t add anything to any PATH variable, because this is not mentioned in your documentation.</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">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.</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">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</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">But I’m not sure why this is happening</p></div></div></blockquote><div class=""><br class=""></div><div class="">Pierre,</div><div class=""><br class=""></div><div class="">Could this be due to gcc 10?</div></div></div></div></blockquote><div><br class=""></div><div>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.</div><div>I’ll try to resolve this and will keep you posted.</div><div>They really caught a lot of people off guard with gfortran 10…</div><div><br class=""></div><div>Thanks,</div><div>Pierre</div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div class="gmail_quote"><div class="">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 class="">Possible ERROR while running compiler: exit code 1<br class="">stderr:<br class="">C:/msys64/home/paolo/FreeFem-sources/3rdparty/include/msmpi/mpif.h:227:36:<br class=""><br class=""> 227 | PARAMETER (MPI_DATATYPE_NULL=z'0c000000')<br class=""> | 1<br class="">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 class="">C:/msys64/home/paolo/FreeFem-sources/3rdparty/include/msmpi/mpif.h:303:27:<br class=""><br class=""> 303 | PARAMETER (MPI_CHAR=z'4c000101')<br class=""> | 1<br class="">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 class="">C:/msys64/home/paolo/FreeFem-sources/3rdparty/include/msmpi/mpif.h:305:36:<br class=""><br class=""> 305 | PARAMETER (MPI_UNSIGNED_CHAR=z'4c000102')<br class=""> | 1<br class=""></div><div class=""><br class=""></div><div class=""> <span class="Apple-converted-space"> </span>Thanks,</div><div class=""><br class=""></div><div class=""> Matt</div><div class=""> </div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div lang="IT" class=""><div class="gmail-m_2888408931258405589WordSection1"><p class="MsoNormal">Thanks</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">Paolo</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">Inviato da<span class="Apple-converted-space"> </span><a href="https://go.microsoft.com/fwlink/?LinkId=550986" target="_blank" class="">Posta</a><span class="Apple-converted-space"> </span>per Windows 10</p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(225, 225, 225); padding: 3pt 0cm 0cm;" class=""><p class="MsoNormal" style="border: none; padding: 0cm;"><b class="">Da:<span class="Apple-converted-space"> </span></b><a href="mailto:pierre.jolivet@enseeiht.fr" target="_blank" class="">Pierre Jolivet</a><br class=""><b class="">Inviato:<span class="Apple-converted-space"> </span></b>lunedì 29 giugno 2020 18:34<br class=""><b class="">A:<span class="Apple-converted-space"> </span></b><a href="mailto:paololampitella@hotmail.com" target="_blank" class="">Paolo Lampitella</a><br class=""><b class="">Cc:<span class="Apple-converted-space"> </span></b><a href="mailto:balay@mcs.anl.gov" target="_blank" class="">Satish Balay</a>;<span class="Apple-converted-space"> </span><a href="mailto:petsc-users@mcs.anl.gov" target="_blank" class="">petsc-users</a><br class=""><b class="">Oggetto:<span class="Apple-converted-space"> </span></b>Re: [petsc-users] PETSc and Windows 10</p></div><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><div class=""><p class="MsoNormal"><br class=""><br class=""><u class=""></u><u class=""></u></p><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><p class="MsoNormal">On 29 Jun 2020, at 6:27 PM, Paolo Lampitella <<a href="mailto:paololampitella@hotmail.com" target="_blank" class="">paololampitella@hotmail.com</a>> wrote:<u class=""></u><u class=""></u></p></div><p class="MsoNormal"><u class=""></u> <u class=""></u></p><div class=""><div class=""><p class="MsoNormal">I think I made the first step of having mingw64 from msys2 working with ms-mpi.<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">I found that the issue I was having was related to:<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"><a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91556" target="_blank" class="">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91556</a><u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">and, probably (but impossible to check now), I was using an msys2 and/or mingw mpi package before this fix:<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"><a href="https://github.com/msys2/MINGW-packages/commit/11b4cff3d2ec7411037b692b0ad5a9f3e9b9978d#diff-eac59989e3096be97d940c8f47b50fba" target="_blank" class="">https://github.com/msys2/MINGW-packages/commit/11b4cff3d2ec7411037b692b0ad5a9f3e9b9978d#diff-eac59989e3096be97d940c8f47b50fba</a><u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">Admittedly, I never used gcc 10 before on any machine. Still, I feel that reporting that sort of error in that way is,<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">at least, misleading (I would have preferred the initial implementation as mentioned in the gcc bug track).<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">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:<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"><a href="https://www.scivision.dev/windows-mpi-msys2/" target="_blank" class="">https://www.scivision.dev/windows-mpi-msys2/</a><u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">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:<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"><a href="https://github.com/microsoft/Microsoft-MPI/issues/33" target="_blank" class="">https://github.com/microsoft/Microsoft-MPI/issues/33</a><u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">which, to me, are both signs of lack of attention on the fortran side by those that maintain this thing.<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">In summary, this is the procedure I followed so far (on a 64 bit machine with Windows 10):<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><ul type="disc" style="margin-top: 0cm;" class=""><li class="gmail-m_2888408931258405589MsoListParagraph" style="margin-top: 0cm; margin-bottom: 0.0001pt;">Install MSYS2 from<span class="gmail-m_2888408931258405589apple-converted-space"> </span><a href="https://www.msys2.org/" target="_blank" class="">https://www.msys2.org/</a><span class="gmail-m_2888408931258405589apple-converted-space"> </span>and just follow the install wizard<u class=""></u><u class=""></u></li><li class="gmail-m_2888408931258405589MsoListParagraph" style="margin-top: 0cm; margin-bottom: 0.0001pt;">Open the MSYS2 terminal and execute: pacman -Syuu<u class=""></u><u class=""></u></li><li class="gmail-m_2888408931258405589MsoListParagraph" style="margin-top: 0cm; margin-bottom: 0.0001pt;">Close the terminal when asked and reopen it<u class=""></u><u class=""></u></li><li class="gmail-m_2888408931258405589MsoListParagraph" style="margin-top: 0cm; margin-bottom: 0.0001pt;">Keep executing ‘pacman -Syuu’ until nothing else needs to be updated<u class=""></u><u class=""></u></li><li class="gmail-m_2888408931258405589MsoListParagraph" style="margin-top: 0cm; margin-bottom: 0.0001pt;">Close the MSYS2 terminal and reopen it (I guess because was in paranoid mode), then install packages with:<u class=""></u><u class=""></u></li></ul><div style="margin-left: 36pt;" class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S base-devel git gcc gcc-fortran bsdcpio lndir pax-git unzip<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-toolchain<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-msmpi<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-cmake<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-freeglut<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-gsl<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-libmicroutils<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-hdf5<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-openblas<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-arpack<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">pacman -S mingw-w64-x86_64-jq<u class=""></u><u class=""></u></p></div><div style="margin-left: 36pt;" class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div style="margin-left: 36pt;" class=""><p class="MsoNormal">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.<u class=""></u><u class=""></u></p></div><div style="margin-left: 36pt;" class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><ul type="disc" style="margin-top: 0cm;" class=""><li class="gmail-m_2888408931258405589MsoListParagraph" style="margin-top: 0cm; margin-bottom: 0.0001pt;">Open the MINGW64 terminal and create the .mod file out of the mpi.f90 file, as mentioned here<span class="gmail-m_2888408931258405589apple-converted-space"> </span><a href="https://www.scivision.dev/windows-mpi-msys2/" target="_blank" class=""><span class="gmail-m_2888408931258405589apple-converted-space"><span style="color: windowtext; text-decoration: none;" class="">https://www.scivision.dev/windows-mpi-msys2/</span></span></a>, with:<u class=""></u><u class=""></u></li></ul><div style="margin-left: 36pt;" class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">cd /mingw64/include<u class=""></u><u class=""></u></p></div><div style="margin-left: 70.8pt;" class=""><p class="MsoNormal">gfortran mpif90 -c -fno-range-check -fallow-invalid-boz<u class=""></u><u class=""></u></p></div></div></blockquote><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><div class=""><p class="MsoNormal">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.<u class=""></u><u class=""></u></p></div><p class="MsoNormal"><br class=""><br class=""><u class=""></u><u class=""></u></p><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div style="margin-left: 36pt;" class=""><p class="MsoNormal">This is needed to ‘USE mpi’ (as opposed to INCLUDE ‘mpif.h’)<u class=""></u><u class=""></u></p></div><div style="margin-left: 36pt;" class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><ul type="disc" style="margin-top: 0cm;" class=""><li class="gmail-m_2888408931258405589MsoListParagraph" style="margin-top: 0cm; margin-bottom: 0.0001pt;">Install the latest MS-MPI (both sdk and setup) from<span class="gmail-m_2888408931258405589apple-converted-space"> </span><a href="https://www.microsoft.com/en-us/download/details.aspx?id=100593" target="_blank" class=""><span class="gmail-m_2888408931258405589apple-converted-space"><span style="color: windowtext; text-decoration: none;" class="">https://www.microsoft.com/en-us/download/details.aspx?id=100593</span></span></a><u class=""></u><u class=""></u></li></ul><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">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:<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div style="margin-left: 35.4pt;" class=""><p class="MsoNormal">function copydep() { ldd $1 | grep "=> /$2" | awk '{print $3}' | xargs -I '{}' cp -v '{}' .; }<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">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:<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div style="margin-left: 35.4pt;" class=""><p class="MsoNormal">copydep my.exe mingw64<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">This, of course, must be done before actually trying to execute the .exe in the windows cmd prompt.<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">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)<u class=""></u><u class=""></u></p></div></blockquote><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><div class=""><p class="MsoNormal">Looks like the hard part is over. It’s usually easier to deal with ./configure issues.<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">If you have weird errors like “incomplete Cygwin install” or whatever, this is the kind of issues I was referring to earlier.<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">In that case, what I’d suggest is just, as before:<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">pacman -R mingw-w64-x86_64-python mingw-w64-x86_64-gdb<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">pacman -S python<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><div class=""><p class="MsoNormal">Thanks,<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">Pierre<u class=""></u><u class=""></u></p></div><p class="MsoNormal"><br class=""><br class=""><u class=""></u><u class=""></u></p><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><p class="MsoNormal">Thanks<u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal"> <u class=""></u><u class=""></u></p></div><div class=""><p class="MsoNormal">Paolo<u class=""></u><u class=""></u></p></div></blockquote></div><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div></div></blockquote></div><br clear="all" class=""><div class=""><br class=""></div>--<span class="Apple-converted-space"> </span><br class=""><div dir="ltr" class="gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class="">What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br class="">-- Norbert Wiener</div><div class=""><br class=""></div><div class=""><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank" class="">https://www.cse.buffalo.edu/~knepley/</a></div></div></div></div></div></div></div></div></div></blockquote></div><br class=""></body></html>