Hi,
On Wednesday, February 27, 2013 12:03:40 AM UTC+1, leif wrote:
>
> (...)
> ... and if you need multiple versions of the "same" package(s) installed
> at the same time (but only one of them when running Sage), can't you
> just create symbolic links foo->foo-version-x.y.z accordingly (in the
> "usual" directories mentioned above) before starting Sage?
> (...)
>
That's not really a correct statement.
I need several versions of the same package and all of them need to be
operational at the same time.
That means, I open two / three terminal windows and in each of them I start
the same "sage" executable but each session should use a different version
of my additional package ... something like:
export CURRENT_VERSION="in_this_window_use_that_version"; ./sage
That's why I cannot "install" my binaries (nor make symbolic links) into
the standard $SAGE_ROOT/local/{bin|lib|...} subdirectories.
And that's why I need a mechanism of initialization at "run-time"
(modification of "PATH", "LD_LIBRARY_PATH", "PYTHONPATH", ..)
Best regards,
Jacek.
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