asyropoulos@xxxxxxx writes: > /usr/lib/gcc/i386-pc-solaris2.11/4.5.1/../../../../include/c++/4.5.1/bits > /boost_concept_check.h:532:24: ÏÏÎÎÎÎ: no match for âoperator+â in > â((__gnu_cxx::_RandomAccessIteratorConcept<Glib::Container_Helpers::Array > HandleIterator<Glib::Container_Helpers::TypeTraits<Glib::ustring> > >>*)this)->__gnu_cxx::_RandomAccessIteratorConcept<Glib::Container_Helpers > ::ArrayHandleIterator<Glib::Container_Helpers::TypeTraits<Glib::ustring> >> >::__n + > ((__gnu_cxx::_RandomAccessIteratorConcept<Glib::Container_Helpers::ArrayH > andleIterator<Glib::Container_Helpers::TypeTraits<Glib::ustring> > >>*)this)->__gnu_cxx::_RandomAccessIteratorConcept<Glib::Container_Helpers > ::ArrayHandleIterator<Glib::Container_Helpers::TypeTraits<Glib::ustring> >> >::__iâ > /usr/include/glibmm-2.4/glibmm/timeval.h:182:9: ÏÎÎÎÎÏÏÎ: candidates > are: Glib::TimeVal Glib::operator+(const Glib::TimeVal&, long int) > /usr/include/glibmm-2.4/glibmm/timeval.h:177:9: > ÏÎÎÎÎÏÏÎ:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Glib::TimeVal Glib::operator+(const > Glib::TimeVal&, const Glib::TimeVal&) > /usr/include/glibmm-2.4/glibmm/ustring.h:1594:16: > ÏÎÎÎÎÏÏÎ:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Glib::ustring Glib::operator+(char, const > Glib::ustring&) > /usr/include/glibmm-2.4/glibmm/ustring.h:1586:16: > ÏÎÎÎÎÏÏÎ:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Glib::ustring Glib::operator+(const > Glib::ustring&, char) > /usr/include/glibmm-2.4/glibmm/ustring.h:1578:16: > ÏÎÎÎÎÏÏÎ:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Glib::ustring Glib::operator+(gunichar, > const Glib::ustring&) > /usr/include/glibmm-2.4/glibmm/ustring.h:1570:16: > ÏÎÎÎÎÏÏÎ:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Glib::ustring Glib::operator+(const > Glib::ustring&, gunichar) > /usr/include/glibmm-2.4/glibmm/ustring.h:1562:16: > ÏÎÎÎÎÏÏÎ:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Glib::ustring Glib::operator+(const char*, > const Glib::ustring&) > /usr/include/glibmm-2.4/glibmm/ustring.h:1554:16: > ÏÎÎÎÎÏÏÎ:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Glib::ustring Glib::operator+(const > Glib::ustring&, const char*) > /usr/include/glibmm-2.4/glibmm/ustring.h:1546:16: > ÏÎÎÎÎÏÏÎ:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Glib::ustring Glib::operator+(const > Glib::ustring&, const Glib::ustring&) There isn't really anything we can do to help you. There is some problem with the glibmm source code, or any rate some disagreement between g++ and the glibmm source. This may be a bug in g++ or it may be a bug in glibmm. I don't know which. You are likely to get farther by talking to the glibmm developers, as they know the code much better. Ian