@@ -, +, @@ 
                 from /var/tmp/portage/app-emulation/virtualbox-5.1.26/work/VirtualBox-5.1.26/src/libs/xpcom18a4/python/src/ErrorUtils.cpp:48:
 #   define PyUnicode_AsUTF8(o) _PyUnicode_AsString(o)
  char *tempResult = PyUnicode_AsUTF8(obResult);
                     ^~~~~~~~~~~~~~~~
  CXX VBoxPython3_7 - {C}/src/libs/xpcom18a4/python/src/PyGBase.cpp
  if (this==NULL) return NULL;
  ^~
 * ERROR: app-emulation/virtualbox-5.1.26::gentoo failed (compile phase):
 *   emake failed