C/C++ Preferences
The 
C/C++ preference panel allows you to make changes to your C/C++ environment. Click Window > Preferences > C/C++ to view.
| Option | Description |
|---|---|
| Follow unindexed header files when producing the outline view | Activate to do a more exhaustive search of header paths to build a more complete outline view. |
| Build active configuration in each project | Activate to always build only the active configuration within a project. |
| Build all configurations in each project | Activate to always build all the configurations within a project. |
| Build configurations only when there are Eclipse resource changes within the project and its resources | Activate to build only when there are have been changes to any project and Eclipse resources. |
| Clear all 'do not show again' settings and show all hidden dialogs again | Activate to reset all alert settings and show all hidden dialogs. |
