Home > documentation, Mac OS X, Sage, software engineering, symbolic computation > Compile Sage 4.1 in 64-bit mode on OS X 10.5.8

Compile Sage 4.1 in 64-bit mode on OS X 10.5.8

Compiling Sage 4.1 on Mac OS X 10.5.8 is fairly easy, i.e. if you want to build Sage in 32-bit mode. You download a source version of Sage, uncompress the tarball, navigate to the top level directory of the source version, and issue make. But if you want to build in 64-bit mode, you need to replace the version of Fortran that is shipped with Sage with gfortran. For example, say you want to compile Sage 4.1 in 64-bit mode. Here is what you should do:

  1. Download the source tarball of Sage 4.1 and a custom-built Fortran spkg. The Sage source tarball can be found at the Sage download page. The custom-built Fortran spkg can be found at my development home directory on sage.math. It was built by Michael Abshoff (thank you very much, Michael).
  2. Uncompress the source tarball, delete the Fortran spkg that’s shipped with Sage, and move the custom-built Fortran package to the standard packages repository:
  3. $ tar -xf sage-4.1.tar
    $ rm sage-4.1/spkg/standard/fortran-20071120.p5.spkg
    $ mv fortran-OSX64-20090120.spkg sage-4.1/spkg/standard/
    
  4. Now compile in 64-bit mode:
  5. $ export SAGE64=yes
    $ cd sage-4.1/
    $ make
    

Wait a while for Sage to build. You can use these steps to build Sage 4.1.1 in 64-bit mode under OS X 10.5.8. However, Sage 4.1.1 is known to fail to compile properly as documented in the release tour. This is due to a 32- versus 64-bit issue in cliquer. One way to get around this is to wait for make to finish running. Open the file sage/graphs/all.py and comment out the line that imports cliquer functionalities, like so:

#from sage.graphs.cliquer import *

From the top level Sage directory, issue make again. This would resume the build process where it left off when failing to compile cliquer.

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  1. 18 May 2010 at 10:47 am

    je demande le code d’instalation de sage 100 comptabilit&

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