remove_definitions(-D_WIN32_WINNT=0x502 -DWINVER=0x502)
-add_definitions(-D_WIN32_WINNT=0x600 -DWINVER=0x600)
+add_definitions(-D_WIN32_WINNT=0x600 -DWINVER=0x600
+ -D__NTDLL__
+ -D_NTOSKRNL_
+ -D_NTSYSTEM_)
spec2def(ntdll_vista.dll ntdll_vista.spec ADD_IMPORTLIB)