can't link with a main executable file

Question

Changed my deployment target to from 8.0 to 7.0.

Using Xcode 6 with latest iOS8 as base sdk. Getting this error when building for iOS7.1 device:

ld: can\'t l

Answer 1

1. Click your project in Navigator.
2. Select your test target. Switch to general tab if not there.
3. Select your application name from Host Application dropdown.