[Octave-bug-tracker] [bug #40111] Support runtime selection of Java version on Linux and Unix systems

[Mike Miller]

URL:
  <http://savannah.gnu.org/bugs/?40111>

                 Summary: Support runtime selection of Java version on Linux
and Unix systems
                 Project: GNU Octave
            Submitted by: mtmiller
            Submitted on: Thu 26 Sep 2013 09:07:40 AM EDT
                Category: Configuration and Build System
                Severity: 2 - Minor
                Priority: 5 - Normal
              Item Group: Feature Request
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

We currently hardcode the path to the Java runtime (specifically the libjvm.so
library) in the Octave interpreter at compile-time. The library is not
actually used at compile-time, since it is dlopen'd only when Octave needs it.
It would be better if there was an ability for the user to override this path
in the Octave interpreter at runtime.

The easiest and most obvious solution would be to keep the hardcoded path as
it is now and allow the user's JAVA_HOME environment variable to override it.

More ambitious would be to do some kind of automatic determination of the Java
path at runtime, but that's already hard enough as it is in the configure
script.




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