dialogs.cc: In member function ‘bool gElemental::PropertiesDialog::is_selectable(const G
lib::RefPtr<Gtk::TreeModel>&, const Gtk::TreePath&, bool)’:
dialogs.cc:250:14: error: operands to ?: have different types ‘Elemental::PropertyBase*’
 and ‘bool’
  return iter ? iter->get_value (cols.property) : false;
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [Makefile:344: dialogs.o] Error 1
make[2]: Leaving directory '/home/kadin/Downloads/gelemental/src/gelemental-1.2.0/src'
make[1]: *** [Makefile:315: all-recursive] Error 1
make[1]: Leaving directory '/home/kadin/Downloads/gelemental/src/gelemental-1.2.0'
make: *** [Makefile:245: all] Error 2
==> ERROR:B A failure occurred in build().B
    Aborting...B
➜  gelemental