#597: non-exhaustive patterns when trying to install base ---------------------------------+------------------------------------------ Reporter: guest | Owner: Type: defect | Status: new Priority: normal | Milestone: cabal-install-0.16 Component: cabal-install tool | Version: 1.6.0.2 Severity: minor | Keywords: Difficulty: easy (<4 hours) | Ghcversion: 6.10.1 Platform: | ---------------------------------+------------------------------------------ Changes (by kosmikus): * milestone: cabal-install-0.14 => cabal-install-0.16 Comment: This is still present with the topdown solver, but the modular solver handles it ok: {{{ $ cabal install base-4.5.0.0 Resolving dependencies... cabal: Could not resolve dependencies: next goal: base (user goal) rejecting: base-3.0.3.2, 3.0.3.1 (global constraint requires ==4.5.0.0) rejecting: base-4.5.0.0 (only already installed instances can be used) rejecting: base-4.4.1.0, 4.4.0.0, 4.3.1.0/installed-20f..., 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1, 4.2.0.0, 4.1.0.0, 4.0.0.0 (global constraint requires ==4.5.0.0) }}} There's still an issue here to figure out a sensible way to specify non- upgradeable packages per compiler. -- Ticket URL: http://hackage.haskell.org/trac/hackage/ticket/597#comment:6 Hackage http://haskell.org/cabal/ Hackage: Cabal and related projects