On Apr 9, 2009, at 7:41 AM, Flavio Coelho wrote:
> Hi, I cloned Sage from the mercrial repository (hg.sagemath.org) but
> found no building instructions.
>
> I want to build it inplace. The install script complains that I must
> provide a sage root and if I give the current directory, '.', it spits
> back the following traceback:
>
> Traceback (most recent call last):
> File "setup.py", line 14, in <module>
> from module_list import ext_modules
> File "/home/fccoelho/Downloads/sage-main/module_list.py", line 29,
> in <module>
> elif os.path.exists('%s/lib/libatlas.so'%os.environ
> ['SAGE_LOCAL']):
> File "/usr/lib/python2.6/UserDict.py", line 22, in __getitem__
> raise KeyError(key)
> KeyError: 'SAGE_LOCAL'
>
> any help is appreciated.
Sage consists of many mercurial repositories, as well as much code
that isn't under (our) revision control (e.g. upstream packages).
To build Sage from scratch you need to do is download the source at
http://www.sagemath.org/download-source.html , unpack the tarball,
and type make inside of it. Then wait three hours or so. When you
have a working Sage, type sage -clone branch_name to make a clone of
the core Sage library code (which sits inside of $SAGE_ROOT/devel,
where $SAGE_ROOT is the path of the top-level folder). You can then
edit this and type "sage -b" to rebuild and test your changes.
- Robert
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