[FLASH-USERS] "Undefined symbols for architecture arm64"
David Montgomery
dsmont80 at gmail.com
Sat Jun 7 22:21:00 EDT 2025
Dear Users,
I’ve already searched the archives for issues related to “arm64”, and didn’t find anything useful.
FLASH4.8 is successfully installed on Mac OS now updated to OS15.5.
Sedov problem ran okay (single processor and parallel).
Trying to run something using hypre (Steps 13-14 in Leland Ellison’s guide for Mac installation), the 1D Zpinch. The setup step appeared successful, using this:
./setup -auto magnetoHD/ZPinch -1d +cylindrical +ug species=fill,line,vacu +mtmmmt +usm3t +mgd mgd_meshgroups=6 +hdf5typeio
“Make” failed, after a lot of compilation, giving me this:
Undefined symbols for architecture arm64:
"_dgelsy_", referenced from:
___gr_uhyprelinearleastsquares_MOD_lsq.constprop.0 in gr_uhypreLinearLeastSquares.o
"_dgeqrf_", referenced from:
___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o
"_dgesv_", referenced from:
___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o
"_dorgqr_", referenced from:
___gr_uhyprelinearleastsquares_MOD_linsqln in gr_uhypreLinearLeastSquares.o
ld: symbol(s) not found for architecture arm64
collect2: error: ld returned 1 exit status
make: *** [flash4] Error 1
Any ideas to fix this?
I’m attaching my Makefile.h for reference

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