Editing Build Settings
Open the Project Info or Target Info window.
Choose the build configuration.
Locate the build setting.
Set the value for the build setting.
You can customize aspects of your product’s build process by editing build settings.
If you define a build setting in a Project Info window, the definition is set for the corresponding project, and it’s applied to all the targets that belong to that project. If you define a build setting in a Target Info window, the definition applies only to the corresponding target.
To locate a build setting in the Build pane, you can use the Configuration and Show pop-up menus and the search field.
The video shows how to define the Header Search Paths build setting for a project.
After defining a build setting, the build setting appears bold in the build-setting list.
To delete a build-setting definition, locate the build setting where it’s displayed in bold and choose Delete Definition at This Level from the Action menu.