https://bugzilla.tianocore.org/show_bug.cgi?id=2080 This patch is to improve build -u option to re-use GlobalVar_<platformguid>_<arch>.bin file which is introduced by multiple-process-autogen feature. Cc: Liming Gao <liming.gao@intel.com> Cc: Steven Shi <steven.shi@intel.com> Signed-off-by: Bob Feng <bob.c.feng@intel.com> Acked-by: Liming Gao <liming.gao@intel.com>