From d3dd218bc2d6bfea1c9365f49b0e78802a249b8a Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 23 Feb 2015 11:45:49 +0100
Subject: [PATCH] haskell-generic-builder: consistently use $TMPDIR to refer to
 the designated place for temporary files

Resolves https://github.com/NixOS/nixpkgs/issues/6525.
---
 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 8e730fd37f03..03535f90b795 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -129,7 +129,7 @@ stdenv.mkDerivation ({
     export PATH="${ghc}/bin:$PATH"
     ${optionalString (hasActiveLibrary && hyperlinkSource) "export PATH=${hscolour}/bin:$PATH"}
 
-    packageConfDir="$TMP/package.conf.d"
+    packageConfDir="$TMPDIR/package.conf.d"
     mkdir -p $packageConfDir
 
     setupCompileFlags="${concatStringsSep " " setupCompileFlags}"