ValidateNumber.h: In member function 'bool CValidateNumber::Parse(const wxString&, T&) [with T = double]': ValidateNumber.h:106: instantiated from 'bool CValidateNumber::Validate(wxWindow*) [with T = double]' PrefNodeDisk.cpp:86: instantiated from here ValidateNumber.h:161: error: no matching function for call to 'std::basic_istringstream, std::allocator >::basic_istringstream(const wxChar*)' /usr/include/c++/4.2/sstream:320: note: candidates are: std::basic_istringstream<_CharT, _Traits, _Alloc>::basic_istringstream(const std::basic_string<_CharT, _Traits, _Alloc>&, std::_Ios_Openmode) [with _CharT = char, _Traits = std::char_traits, _Alloc = std::allocator] /usr/include/c++/4.2/sstream:299: note: std::basic_istringstream<_CharT, _Traits, _Alloc>::basic_istringstream(std::_Ios_Openmode) [with _CharT = char, _Traits = std::char_traits, _Alloc = std::allocator] /usr/include/c++/4.2/iosfwd:75: note: std::basic_istringstream, std::allocator >::basic_istringstream(const std::basic_istringstream, std::allocator >&) make: *** [boinc_gui-PrefNodeDisk.o] Error 1