From 499e4e6393020443f7b3c485a67f0ba8e0205ea3 Mon Sep 17 00:00:00 2001
From: Profpatsch <mail@profpatsch.de>
Date: Wed, 16 Nov 2016 13:45:59 +0100
Subject: [PATCH] ghc.withPackages: amend the derviation name

Provide a clear difference between the compiler itself and link farms containing
additional packages.
---
 pkgs/development/haskell-modules/with-packages-wrapper.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/with-packages-wrapper.nix b/pkgs/development/haskell-modules/with-packages-wrapper.nix
index 66e151aefe3c..7929d99de153 100644
--- a/pkgs/development/haskell-modules/with-packages-wrapper.nix
+++ b/pkgs/development/haskell-modules/with-packages-wrapper.nix
@@ -47,7 +47,10 @@ let
 in
 if paths == [] && !withLLVM then ghc else
 buildEnv {
-  inherit (ghc) name;
+  # this makes computing paths from the name attribute impossible;
+  # if such a feature is needed, the real compiler name should be saved
+  # as a dedicated drv attribute, like `compiler-name`
+  name = ghc.name + "-with-packages";
   paths = paths ++ [ghc];
   inherit ignoreCollisions;
   postBuild = ''