Why doesn't Xcode 4 create any products?

Question

Regardless of build configuration, building my iPad app does not actually output a .app file. It does run in the iPad simulator and on a device, but when I hit build or bui

Answer 1

I was having this problem. not only the product .app was red, also simulator wasn't loaded the binary, it was stuck in attaching 'my app'. i solved it by going to file->project settings. in the tab 'build' changed derived data location to 'project-relative', and in advanced changed build location to 'locations specified by targets'. with the default options it wasn't possible to run the app, i'm not sure why.