XCode 4 “add build setting condition” not enabled

Question

I am trying to include Layar Player in the iPhone application I am developing in XCode 4. One of the steps of section \"1.3.1.2 Universal build configuration\" asks to click

Answer 1

To enable the Add Build Setting Condition menu item in Xcode 4, you must select a specific build configuration for a build setting. Click the disclosure triangle next to the build setting to see the build configurations, which should be Debug and Release. When you move the cursor over a build configuration or select the configuration, a small + button should appear next the name of the build configuration. Click the + button to add a conditional build setting.