[Octave-bug-tracker] [bug #48511] mxe-octave: mex library dependencies not picked up

[Joris Gillis]

URL:
  <http://savannah.gnu.org/bugs/?48511>

                 Summary: mxe-octave: mex library dependencies not picked up
                 Project: GNU Octave
            Submitted by: jgillis42
            Submitted on: Thu 14 Jul 2016 12:48:26 PM GMT
                Category: Configuration and Build System
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.2
        Operating System: Microsoft Windows

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Details:

Consider a mex file linked with a dll file, both living in some directory.

After simply addpath-ing the directory, calling the mex file works in Matlab
yet fails in Octave.
For Matlab, the loader searches for dlls in the same directory as where the
mex file resides.
It would make sense if Octave copied this behaviour.

I'm aware that EXEC_PATH allows Octave to run the mex file, but it just feels
cleaner if a binary package can be made available in an Octave session with
just one atomic action, an addpath command.

For linux, this is not an issue, since you have the RPATH property for shared
libraries there.




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