[Octave-bug-tracker] [bug #59923] mkoctfile helloworld.cc fails in 6.1.0 but is fine in 5.1.0

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?59923>

                 Summary: mkoctfile helloworld.cc fails in 6.1.0 but is fine
in 5.1.0
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Fri 22 Jan 2021 05:01:59 AM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: 6.1.0
         Discussion Lock: Any
        Operating System: Microsoft Windows

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Details:

In the windows command prompt or within Octave typing


mkoctfile helloworld.cc


with helloworld.cc in the same directory containing the example from the
documentation (or any other file)


#include <octave/oct.h>

DEFUN_DLD (helloworld, args, nargout,
           "Hello World Help String")
{
  octave_stdout << "Hello World has "
                << args.length () << " input arguments and "
                << nargout << " output arguments.\n";

  return octave_value_list ();
}


Results in the following error message

g++: error: Files\GNU: No such file or directory
g++: error: Octave\Octave-6.1.0\mingw64\/include: No such file or directory


I've tried placing the file in different directories including those which do
not contain any spaces. The error message suggests this is a windows issue
with forward and backslashes. The example has no issue compiling with version
5.1.0.




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