diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix index c6faec61b541..9cbbe236a2f1 100644 --- a/pkgs/development/haskell-modules/configuration-common.nix +++ b/pkgs/development/haskell-modules/configuration-common.nix @@ -34,6 +34,11 @@ self: super: { ghcjs-base = null; ghcjs-prim = null; + # Some packages add this (non-existent) dependency to express that they + # cannot compile in a given configuration. Win32 does this, for example, when + # compiled on Linux. We provide the name to avoid evaluation errors. + unbuildable = throw "package depends on meta package 'unbuildable'"; + # cabal-install needs Cabal 2.x. hackage-security's test suite does not compile with # Cabal 2.x, though. See https://github.com/haskell/hackage-security/issues/188. cabal-install = super.cabal-install.overrideScope (self: super: { Cabal = self.Cabal_2_0_0_2; });