Explorer fails to compile with GCC 4.1

base\shell\explorer\utility\shellbrowserimpl.cpp:119: error: 'HRESULT const GUID::LTHUNK0(const GUID, ULONG, OLECMD*, OLECMDTEXT*)' aliased to undefined symbol '_ZN17IShellBrowserImpl11QueryStatusEPK5_GUIDmP10_tagOLECMDP14_tagOLECMDTEXT'
base\shell\explorer\utility\shellbrowserimpl.cpp:119: error: 'HRESULT const GUID::LTHUNK1(const GUID, DWORD, DWORD, VARIANT*, VARIANT*)' aliased to undefined symbol 'ZN17IShellBrowserImpl4ExecEPK5_GUIDmmP10tagVARIANTS4'
base\shell\explorer\utility\shellbrowserimpl.cpp:119: error: 'HRESULT IShellView::LTHUNK2(IShellView)' aliased to undefined symbol '_ZN17IShellBrowserImpl16OnDefaultCommandEP10IShellView'
base\shell\explorer\utility\shellbrowserimpl.cpp:119: error: 'HRESULT const GUID::LTHUNK3(const GUID&, const IID&, void*)' aliased to undefined symbol '_ZN17IShellBrowserImpl12QueryServiceERK5_GUIDS2_PPv'
mingw32-make[1]: *** [obj-i386\base\shell\explorer\utility\shellbrowserimpl.o] Error 1
mingw32-make: *** [depends] Error 2