From 2b66f562e9f2528ed7c3d2a9910e83912ea24a9a Mon Sep 17 00:00:00 2001
From: Renaud <c0bw3b@users.noreply.github.com>
Date: Sat, 23 Nov 2019 17:10:17 +0100
Subject: [PATCH] carp: fix eval

---
 pkgs/development/compilers/carp/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/carp/default.nix b/pkgs/development/compilers/carp/default.nix
index b22f5c756aba..e02880b314eb 100644
--- a/pkgs/development/compilers/carp/default.nix
+++ b/pkgs/development/compilers/carp/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, makeWrapper, clang, haskellPackages }:
 
-haskellPackages.mkDerivation {
+haskellPackages.mkDerivation rec {
 
   pname = "carp";
   version = "0.3.0";