octave 5.2.0 parallel package install -forge fails on mac os

[marcasser]

Octave 5.2.0 was installed using homebrew on mac os 10.15.4.  
Control 3.2.1, matgeom 1.2.2 and struct 1.0.16 packages have been
successfully installed. However, parallel package failed to install. 

>>pkg install -forge parallel 
configure: WARNING: TLS disabled since gnutls/gnutls.h not found or not
compilable
pserver.cc:142:16: warning: 'eval_string' is deprecated
[-Wdeprecated-declarations]
      SET_ERR (OCTAVE__EVAL_STRING (s, false, p_err, 0), err);
               ^
./config.h:150:37: note: expanded from macro 'OCTAVE__EVAL_STRING'
#define OCTAVE__EVAL_STRING octave::eval_string
                                    ^
/usr/local/Cellar/octave/5.2.0_4/include/octave-5.2.0/octave/../octave/parse.h:587:3:
note: 'eval_string' has been explicitly marked deprecated here
  OCTAVE_DEPRECATED (5, "use 'octave::interpreter::eval_string' instead")
  ^
/usr/local/Cellar/octave/5.2.0_4/include/octave-5.2.0/octave/octave-config.h:73:59:
note: expanded from macro 'OCTAVE_DEPRECATED'
#      define OCTAVE_DEPRECATED(ver, msg) __attribute__ ((__deprecated__))
                                                          ^
pserver.cc:172:13: error: use of undeclared identifier 'command_editor'; did
you mean 'octave::command_editor'?
            command_editor::increment_current_command_number ();
            ^~~~~~~~~~~~~~
            octave::command_editor
/usr/local/Cellar/octave/5.2.0_4/include/octave-5.2.0/octave/../octave/cmd-edit.h:39:3:
note: 'octave::command_editor' declared here
  command_editor
  ^
pconnect.cc:536:35: error: use of undeclared identifier 'octave_env'
          std::string directory = octave_env::get_current_directory ();
                                  ^
pserver.cc:1119:23: error: use of undeclared identifier 'octave_env'
          int cd_ok = octave_env::chdir (directory.c_str ());
                      ^
pserver.cc:1122:13: error: use of undeclared identifier 'octave_env'
            octave_env::chdir ("/tmp");
            ^
1 error generated.
make: *** [pconnect.o] Error 1
make: *** Waiting for unfinished jobs....
1 warning and 3 errors generated.
make: *** [pserver.o] Error 1
CXX="clang++ -std=gnu++11" CXXFLAGS="-g -O2  "
/usr/local/Cellar/octave/5.2.0_4/bin/mkoctfile-5.2.0 -c pconnect.cc
CXX="clang++ -std=gnu++11" CXXFLAGS="-g -O2  "
/usr/local/Cellar/octave/5.2.0_4/bin/mkoctfile-5.2.0 -c pserver.cc
CXX="clang++ -std=gnu++11" CXXFLAGS="-g -O2  "
/usr/local/Cellar/octave/5.2.0_4/bin/mkoctfile-5.2.0 -c sclose.cc
CXX="clang++ -std=gnu++11" CXXFLAGS="-g -O2  "
/usr/local/Cellar/octave/5.2.0_4/bin/mkoctfile-5.2.0 -c reval.cc

pkg: error running `make' for the parallel package.
error: called from
    configure_make at line 99 column 9
    install at line 190 column 7
    pkg at line 441 column 9

Any suggestions?

Thanks. 



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