QtCreator build system is broken after OSX upgrade
问题 I recently upgraded my OSX to mountain lion and ever since I cannot compile my project using Qt Creator anymore. I get bunch of errors like the following: /Users/user/codes/lib/io/xdmfWriter.cpp:63: error: explicit instantiation of 'std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char, _Traits = std::char_traits<char>, _Alloc = std::allocator<char>]' but no definition available /Users