Warn about non-existent targets immediately
If I run make dist-clean, GHC will happily go and compile a stage1 compiler, even though dist-clean is not a real target and I meant to say distclean. Ideally the build system should notice this immediately.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.1 |
| Type | FeatureRequest |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Build System |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |