Building Xcode 4 projects from the command line Jonah Williams · April 6th, 2011 The Xcode 4 developer tools introduced some changes to the xcodebuild command line tool. Instead of specifying a project and target developers can now provide a workspace and scheme to build. > /Developer_Xcode4/usr/bin/xcodebuild -help Usage: xcodebuild [-project ] [[-target ]…|-alltargets] [-configuration ] [-arch ]