Hello Feng Libo, Please check you EDKII repository version. First appearance of the file ClangBase.lds is in the commit c1aa3bab1259a54cd392831bc1dc1fd263436349 . Also check that You update submodules (not recursive) of EDK II . -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#121199): https://edk2.groups.io/g/devel/message/121199 Mute This Topic: https://groups.io/mt/111636381/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-