| Attribute | Description | Required |
|---|
| options | Options to pass to the compiler. | False |
| outputdir | Directory where all output files are placed. | True |
| pchfile | The name of the precompiled header file. | False |
| failonerror | Determines whether task failure stops the build or is just reported. Default is "true." | False |
| verbose | Task reports detailed build log messages. Default is "false." | False |
| if | If true then the task will be executed; otherwise skipped. Default is "true." | False |
| unless | Opposite of if. If false then the task will be executed; otherwise skipped. Default is "false." | False |