Compiling and Installing Matlab package

Question

I have a Mac OS with Maverick. I would like to use an (unofficial) Matlab package. I am trying to follow instructions in the README file but I have difficulties (I am not a programmer at all). Here is the text :

"To run sparsenet, you will first need to compile the conjugate gradient (cgf) routine so that it may be called through matlab. To do this, you will first need to build the library libnrfopt.a, which contains the actual conjugate gradient subroutines. Go to the nrf/ subdirectory and type

make libnrfopt.a

Then go back up the to sparsenet directory and compile the cgf routine so that it may be called by matlab. First modify the makefile definition for MEXT to be the proper suffix for the mex file for your machine (for SGI's it is mexsg). Then type

make

If successful, this should create a file named cgf.xxx, where xxx is a suffix that depends on what machine you are on."

I could do the first step ("make libnrfopt.a). But I just do not understand the sentence " First modify the makefile definition for MEXT to be the proper suffix for the mex file for your machine (for SGI's it is mexsg)".

Please, anyone could explain me what to do ?

In advance, thank you very very. Julien

mattbawn · Accepted Answer · 2014-09-04 10:54:44Z

1

If you open the makefile with a text editor you may be able to comment out the irrelevant MEXT suffix's and make sure your machines' is selected and then procede.

answered Sep 4, 2014 at 10:54

mattbawn

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3 Comments

Julien Over a year ago

The codes in the makefile is : `MEX = mex NRFDIR = ./nrf MEXT = mexsg cgf.$(MEXT): cgf.c $(MEX) -I$(NRFDIR) -L$(NRFDIR) -lnrfopt cgf.c`` What should I comment out exactly given that I am working with a macbook OS Maverick (do not know if it is important)? Thanks !!!

mattbawn Over a year ago

Is this the sparsenet package from Berkeley? : redwood.berkeley.edu/bruno/sparsenet if so are you trying to install from the .zip or .tar?

mattbawn Over a year ago

Hi, I dont have enough reputation to commnet below. It looks like it cant find mex still. Id the location NRFDIR = ./nrf correct in the makefile? I'm not sure what to suggest apart from contacting the developer directly: Bruno Olshausen: [email protected]

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