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[Octave-bug-tracker] [bug #57771] [Manual] Compiling Octave with 64-bit

From: Juan Pablo Carbajal
Subject: [Octave-bug-tracker] [bug #57771] [Manual] Compiling Octave with 64-bit indexing
Date: Sat, 8 Feb 2020 07:54:19 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:72.0) Gecko/20100101 Firefox/72.0

Follow-up Comment #1, bug #57771 (project octave):

I forgot to add that for ARPACK the configure command is something like

./configure FFLAGS="-g -O2 -fdefault-integer-8" --enable-mpi
--with-blas=$prefix64/lib/libblas.a --with-lapack=$prefix64/lib/liblapack.a

not only changing FFLAGS but also the libraries to use. alsoi I would mention
chaging the prefix with --prefix

Additionally, should mpi be enabled? --enable-mpi


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