<div dir="ltr"><div dir="ltr">Hi Weiping,<div><br></div><div>I don't know about that exact problem, but I'm attaching instructions I used to build FLASH4.7 from scratch on an M1 mac. Hopefully it helps.</div><div><br></div><div>Best,</div><div>Leland</div></div><div><br clear="all"></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><span style="color:rgb(34,34,34)">________________</span><div style="color:rgb(34,34,34)">Leland Ellison PhD<div>Pacific Fusion</div><div>Lead - Modeling and Simulations</div><div><br></div><div># Installing FLASH on macOS from scratch<br># Leland Ellison, Pacific Fusion<br># 06.13.23<br><br>1. Download FLASH using the link in your approved access email and credentials in that same email<br><br>2. Unpack the download<br>tar -xzvf FLASH4.7.tar.gz<br><br>3. Set up your site directory<br>cd FLASH4.7/sites<br>echo $HOSTNAME<br>mkdir <hostname><br>cd <hostname><br>cp ../Prototypes/Darwin/* .<br><br>4. Install Homewbrew<br>/bin/bash -c "$(curl -fsSL <a href="https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh">https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh</a>)"<br><br> and add it to your path using the two commands it recommends upon successful install<br>(echo; echo 'eval "$(/opt/homebrew/bin/brew shellenv)"') >> /Users/<username>/.bash_profile<br>eval "$(/opt/homebrew/bin/brew shellenv)" <br><br>4. Install open-mpi<br>brew install open-mpi<br><br>5. Install hdf5-mpi<br>brew install hdf5-mpi<br><br>6. Install hypre [for diffusion problems]<br>In some relevant directory (for me: ~/Software)<br>git clone <a href="https://github.com/hypre-space/hypre.git">https://github.com/hypre-space/hypre.git</a><br>cd hypre/src<br>./configure<br>make install<br><br>7. Add/modify these lines in the Makefile.h<br>HDF5_PATH = /opt/homebrew/<br>MPI_PATH = /opt/homebrew/bin/<br>HYPRE_PATH= /Users/<username>/Software/hypre/src/hypre<br>And append -fallow-argument-mismatch to FFLAGS_OPT, FFLAGS_DEBUG and FFLAGS_TEST<br>And append -Wno-error=implicit-function-declaration to CFLAGS_OPT, CFLAGS_DEBUG<br>CFLAGS_HYPRE = -I${HYPRE_PATH}/include<br><br>8. Update the setup scripts to call python 3<br>cd FLASH4.7/bin<br>Replace all instances of "/usr/bin/env python" with "/usr/bin/env python3" in *.py<br><br>#########################<br># Simple problem: Sedov #<br>#########################<br><br>9. Call setup for sedov problem (no hypre used)<br>cd FLASH4.7<br>./setup -audo Sedov<br><br>10. Build<br>cd object<br>make<br>--> Should see SUCCESS after a bunch of compiling<br><br>11. Check that you can run<br>./flash4<br>--> Should see "exiting: reached max SimTime" after a bunch of output, including rows with timestep, time, dt, etc.<br><br>12. Check that you can run in parallel<br>mpirun -np 2 ./flash4<br><br>##########################<br># Hypre problem: ZPinch #<br>##########################<br><br>13. Call setup for E. Hansen's 1D Z Pinch (hypre, hdf5, ...)<br>cd FLASH4.7<br>./setup -auto magnetoHD/ZPinch -1d +cylindrical +ug species=fill,line,vacu +mtmmmt +usm3t +mgd mgd_meshgroups=6 +hdf5typeio<br><br>14. Build<br>cd object<br>make<br>--> Should see SUCCESS after a bunch of compiling<br><br>15. Run in parallel<br>Replace iprocs in flash.par with the number you're planning to run with (e.g., 8)<br>mpirun -np 8 ./flash4<br></div></div></div></div></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Apr 4, 2025 at 3:14 PM Yao Weipeng <<a href="mailto:yao.weipeng@polytechnique.edu">yao.weipeng@polytechnique.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg-5639270254798314474">
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<div id="m_-5639270254798314474divtagdefaultwrapper" style="font-size:12pt;color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif" dir="ltr">
<p><span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">Hey there,</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">I am trying to use FLASH4.8 and the LaserSlab setup on my Mac laptop, with M1 chip.</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">And I got the following issue at the linking stage of the compilation:</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">Undefined symbols for architecture arm64:</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> "_dgelsy_", referenced from:</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_lsq.constprop.0 in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_lsq.constprop.0 in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_lsq.constprop.0 in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> "_dgeqrf_", referenced from:</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> "_dgesv_", referenced from:</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> "_dorgqr_", referenced from:</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px"> ___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">ld: symbol(s) not found for architecture arm64</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">collect2: error: ld returned 1 exit status</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">make: *** [flash4] Error 1</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">Is there someone who might have a clue in dealing with this issue?</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">Thanks,</span><br style="color:rgb(255,255,255);font-family:Calibri;font-size:14px">
<span style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:14px">Weipeng</span><br>
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