teresouza
commented
8 years ago Hi warrencmg, I've experienced the same problems trying to use octave and therefore I'm following your steps (thank you so much for that! :D ). However, lapack is giving me a hard time and I cannot see what is missing in my make.inc file; every time it ends up in a loop on eig testing steps or the recipe for an eig target fails. So was your make.inc like that?
FORTRAN = gfortran OPTS = -O2 -frecursive -fdefault-integer-8 DRVOPTS = $(OPTS) NOOPT = -O0 -frecursive -fPIC LOADER = gfortran LOADOPTS =
thank you!
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warrenmcg
Once I got rDiff up and running, I attempted to have it analyze my SplAdder results, and it crashed with the following error:
I realized that I needed to re-build Octave as 64-bit, but as this feature is still in an experimental state, it wasn't straightforward. You first need to build the Blas, Lapack, Qrupdate, Arpack, and SuiteSparse libraries as 64-bit aware too. You'll get a reminder warning about this during the build process, whether you do it or not. If you don't do it, though, Octave will likely fail to run when you try to use it (I didn't test that; I'm just making a reasonable assumption).
Here are the webpages detailing instructions on how to install 64-bit octave: initial page: http://timoeckhard.weebly.com/tutorial-install-octave-38-under-ubuntu-1304.html detailed page with step-by-step instructions, tested with gcc 4.3.4 and Debian system: http://www.gnu.org/software/octave/doc/interpreter/Compiling-Octave-with-64_002dbit-Indexing.html
Here are the modifications I made with my set-up, which was tested with Ubuntu 14.04.3, gcc 4.8.4, and Octave 3.8.1 downloaded from ftp://ftp.gnu.org/gnu/octave/octave-3.8.1.tar.gz: Initial Set-up:
/usr/lib/octave-prefix64/is my location for the$prefix64directory described in the detailed instructions. All the necessary files go in the$prefix64/lib/sub-directory, and the Include files from SuiteSparse go into the$prefix64/include/directory.Blas and Lapack (bundled together): Downloaded lapack-3.5.0; configured the make.inc file (which provides the configuration details to set-up the Makefile) as described; had an error where the Blaslib library was missing (“librefblas.a”), so I first did
make blaslibbeforemake; then it compiled without errorQrupdate: Downloaded qrupdate-1.1.2; configured the Makeconf file (similarly provides configuration details) as described; you need to add
-L=/usr/lib/octave-prefix64/libflag before the-lblasand-llapackflags, because these libraries are in a non-standard location now:/usr/lib/octave-prefix64[substitute this for whatever your $prefix64 directory is]Arpack: Downloaded 3.1.5; added “fdefault-integer-8” to any line where FFLAGS was defined using quotations (the line with just FFLAGS=-g and empty were left alone)
SuiteSparse: Downloaded SuiteSparse 4.4.5 from here, as the URL given in the detailed instructions is dead; changed the SuiteSparse_config/SuiteSparse_config.mk file to reflect the new 64-bit aware library and include directories; could not figure out how to add the suggested code to make shared libraries, so I just did without, and SuiteSparse and Octave appeared to build without issues
Octave: There is no way, as far as I know, to get Octave to build as 64-bit using the Ubuntu package manager
apt-get. I thus downloaded Octave from the FTP site (link above), and configured it as detailed in the instructions, filling in $prefix64 with my directory path.