From 7cb55e87427ffcb74aaf70396cf8474c80d964af Mon Sep 17 00:00:00 2001
From: Vaibhav Sagar <vaibhav.sagar@obsidian.systems>
Date: Thu, 29 Aug 2019 18:45:13 -0400
Subject: [PATCH] haskell.packages.ghc881.asn1-encoding: fix build

---
 pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
index 711bc3081147..7c0775230119 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -179,4 +179,8 @@ self: super: {
     url = "https://gitlab.haskell.org/ghc/head.hackage/raw/master/patches/haskell-src-meta-0.8.2.patch";
     sha256 = "146im1amywyl29kcldvgrxpwj22lrpzxysl7vc8rmn3hrq130dyc";
   });
+  asn1-encoding = appendPatch (dontCheck (doJailbreak super.asn1-encoding)) (pkgs.fetchpatch {
+    url = "https://gitlab.haskell.org/ghc/head.hackage/raw/master/patches/asn1-encoding-0.9.5.patch";
+    sha256 = "0a3159rnaw6shjzdm46799crd4pxh33s23qy51xa7z6nv5q8wsb5";
+  });
 }