[Numpy-discussion] Defining a base linux-64 environment [was: Should I use pip install numpy in linux?]

[Robert McGibbon]

> do those packages use ld --as-needed for linking?

Is it possible to check this? I mean, there are over 7000 packages that I
check. I don't know how they were all built.

It's totally possible for many of them to be unused. A reasonably common
thing might be that packages use ctypes or dlopen to dynamically load
shared libraries that are actually just optional (and catch the error and
recover gracefully if the library can't be loaded).

-Robert

On Sat, Jan 9, 2016 at 4:20 AM, Julian Taylor <jtaylor.debian at googlemail.com
> wrote:

> On 09.01.2016 12:52, Robert McGibbon wrote:
> > Hi all,
> >
> > I went ahead and tried to collect a list of all of the libraries that
> > could be considered to constitute the "base" system for linux-64. The
> > strategy I used was to leverage off the work done by the folks at
> > Continuum by searching through their pre-compiled binaries
> > from https://repo.continuum.io/pkgs/free/linux-64/ to find shared
> > libraries that were dependened on (according to ldd)  that were not
> > accounted for by the declared dependencies that each package made known
> > to the conda package manager.
> >
>
> do those packages use ld --as-needed for linking?
> there are a lot libraries in that list that I highly doubt are directly
> used by the packages.
>
>
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