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Diffstat (limited to 'pkgs')
| -rw-r--r-- | pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix index 6161abdc9931..0bf9cda5516c 100644 --- a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix +++ b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix @@ -575,6 +575,13 @@ self: super: { jailbreak = true; }); + cabal2nix = super.cabal2nix.override { + ## • No instance for (Semigroup (List a)) + ## arising from the 'deriving' clause of a data type declaration + ## Possible fix: + hpack = self.hpack; + }; + cabal-doctest = overrideCabal super.cabal-doctest (drv: { ## Setup: Encountered missing dependencies: ## Cabal >=1.10 && <2.1, base >=4.3 && <4.11 |