[Octave-bug-tracker] [bug #53938] windows octave doesnt wait for to --eval statements to complete

[John Donoghue]

URL:
  <http://savannah.gnu.org/bugs/?53938>

                 Summary: windows octave doesnt wait for to --eval statements
to complete
                 Project: GNU Octave
            Submitted by: lostbard
            Submitted on: Fri 18 May 2018 02:05:45 PM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: JohnD
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.4.0
        Operating System: Microsoft Windows

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Details:


When running a package install that relies on doing something with octave via
the $(OCTAVE) variable, the octave process doesnt wait for the actual
operation to finish before returing control.


Outside of the package build, running something like:

system('C:/Octave/OCTAVE~2.0/bin/octave-4.4.0.exe --no-gui --norc --eval
"sleep(10); a=1"')


the system call returns long before the eval statements were complete.

Perhaps a 'feature' of windows, however as mentioned above, in package install
scripts, if relying on doing something using the OCTAVE variable in the
makefile, it doesnt work.

Alternative is to use octave-cli, which does wait however that doesnt get
passed through the pkg build system as a variable.







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