Don't include Haskeline (and others) in the global package DB
GHC installations include haskeline in their global DB, as well as its dependencies (currently: stm and terminfo). However, Haskeline isn't a dependency of the ghc library, so that shouldn't be necessary.
Originally suggested by hvr here, in response to needing to pull stm into the global DB: https://github.com/judah/haskeline/pull/61\#issuecomment-294878302
This change would let Haskeline add dependencies more easily. See in particular the pending PR to depend on the "exceptions" package: https://github.com/judah/haskeline/pull/97
Trac metadata
| Trac field | Value |
|---|---|
| Version | 8.6.1 |
| Type | FeatureRequest |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Build System |
| Test case | |
| Differential revisions | |
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| Blocking | |
| CC | |
| Operating system | |
| Architecture |