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Diffstat (limited to 'pkgs/development/haskell-modules/configuration-common.nix')
| -rw-r--r-- | pkgs/development/haskell-modules/configuration-common.nix | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix index abc80f4e37170..bd6a31ae24b29 100644 --- a/pkgs/development/haskell-modules/configuration-common.nix +++ b/pkgs/development/haskell-modules/configuration-common.nix @@ -20,6 +20,31 @@ with haskellLib; self: super: { + # cabal-install needs most recent versions of Cabal and Cabal-syntax, + # so we need to put some extra work for non-latest GHCs + inherit ( + let + # !!! Use cself/csuper inside for the actual overrides + cabalInstallOverlay = cself: csuper: + lib.optionalAttrs (lib.versionOlder self.ghc.version "9.4") { + Cabal = cself.Cabal_3_8_1_0; + Cabal-syntax = cself.Cabal-syntax_3_8_1_0; + process = cself.process_1_6_16_0; + } // lib.optionalAttrs (lib.versions.majorMinor self.ghc.version == "8.10") { + # Prevent dependency on doctest which causes an inconsistent dependency + # due to depending on ghc-8.10.7 (with bundled process) vs. process 1.6.16.0 + vector = dontCheck csuper.vector; + }; + in + { + cabal-install = super.cabal-install.overrideScope cabalInstallOverlay; + cabal-install-solver = super.cabal-install-solver.overrideScope cabalInstallOverlay; + } + ) cabal-install + cabal-install-solver + ; + + # There are numerical tests on random data, that may fail occasionally lapack = dontCheck super.lapack; |