Build Variables preferences
Use the 
Build Variables preference panel to add, edit, or remove local build variables. Local build variables are displayed in bold text.
| Option | Description |
|---|---|
| Add... | Click to add a new build variable in the Define a New Build Variable dialog box. |
| Edit... | Click to edit the selected build variable. |
| Remove | Click to remove the select build variable. NOTE: System variables cannot be removed. |
| Show system variables | Enable to display system variables in the variables list. |
