[Octave-bug-tracker] [bug #55429] javachk should be able to report whether HAVE_JAVA is enabled

[Mike Miller]

URL:
  <https://savannah.gnu.org/bugs/?55429>

                 Summary: javachk should be able to report whether HAVE_JAVA
is enabled
                 Project: GNU Octave
            Submitted by: mtmiller
            Submitted on: Wed 09 Jan 2019 10:14:13 AM PST
                Category: Octave Function
                Severity: 1 - Wish
                Priority: 5 - Normal
              Item Group: Feature Request
                  Status: Postponed
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

In additional to detecting various run time features of Java, the function
javachk should also be able to report whether HAVE_JAVA is enabled or
disabled, i.e. whether the user can expect that fixing JAVA_HOME or
javaclasspath will help or whether they need to install a different copy of
Octave.

In addition it would be nice if the return value were a struct consistently,
instead of being an empty string on success and a struct on failure.

Feel free to discuss other design ideas here. This function should be useful
for user code and packages that use Java to detect and diagnose Java
installation problems.




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