Build  my project ” A“ on emulator is too slowly , but  on  real device is normal  and other projects are normal on emulator .

 When build “A” on the emulator, The CDT build console is  flash ,and finish it needs  almost 10 minutes  ,but on Z3 ,it finish normaly.  And any other project don’t have this problem , how to solved it , are there some mistake I have make such as changed something about  “A” project’s  property?   

Any help will be thankful.