From bd3379c4434334bd5bccc2fb91ac64a02ca77fb1 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Fri, 9 Feb 2018 19:47:39 +0100
Subject: [PATCH] haskell-generic-builder: include build-tool dependencies in
 shell environments

For a Haskell package "foo" the environment foo.env now contains the build tool
dependencies required for compiling the package in $PATH.

Fixes https://github.com/NixOS/cabal2nix/issues/331.
---
 pkgs/development/haskell-modules/generic-builder.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index eb66a6f89223..de37a8e92441 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -384,7 +384,7 @@ stdenv.mkDerivation ({
     env = stdenv.mkDerivation {
       name = "interactive-${pname}-${version}-environment";
       buildInputs = systemBuildInputs;
-      nativeBuildInputs = [ ghcEnv ];
+      nativeBuildInputs = [ ghcEnv ] ++ nativeBuildInputs;
       LANG = "en_US.UTF-8";
       LOCALE_ARCHIVE = optionalString stdenv.isLinux "${glibcLocales}/lib/locale/locale-archive";
       shellHook = ''