From 5e4a52cc0ed184dc866917db72a14ef76023e161 Mon Sep 17 00:00:00 2001
From: Will Fancher <elvishjerricco@gmail.com>
Date: Sun, 11 Feb 2018 18:33:20 -0500
Subject: [PATCH] Use static cabal2nix in callCabal2nix

(cherry picked from commit 627444cfc2354d79ade0a59b55e8182729e51e16)

The use of this function is disallowed in nixpkgs, and purely there for
the convenience of downstream users. This improves closure size without
any loss of functionality.
---
 pkgs/development/haskell-modules/make-package-set.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/make-package-set.nix b/pkgs/development/haskell-modules/make-package-set.nix
index a209559c2e8ad5..d7ab533d3bfb7b 100644
--- a/pkgs/development/haskell-modules/make-package-set.nix
+++ b/pkgs/development/haskell-modules/make-package-set.nix
@@ -111,7 +111,7 @@ let
       sha256Arg = if isNull sha256 then "--sha256=" else ''--sha256="${sha256}"'';
     in pkgs.stdenv.mkDerivation {
       name = "cabal2nix-${name}";
-      buildInputs = [ pkgs.haskellPackages.cabal2nix ];
+      nativeBuildInputs = [ pkgs.cabal2nix ];
       preferLocalBuild = true;
       phases = ["installPhase"];
       LANG = "en_US.UTF-8";