From b466079cd675aa7452a5cf76e9fca4065d4eea15 Mon Sep 17 00:00:00 2001
From: Vaibhav Sagar <vaibhav.sagar@obsidian.systems>
Date: Thu, 29 Aug 2019 15:00:30 -0400
Subject: [PATCH] haskell.packages.ghc881.memory: fix build

---
 .../haskell-modules/configuration-ghc-8.8.x.nix          | 9 +++++++++
 1 file changed, 9 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 a6706c39ef83..8aee7637614b 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -158,4 +158,13 @@ self: super: {
     sha256 = "01b2gnsq0x4fd9na8zpk6pajym55mbz64hgzawlwxdw0y6681kr5";
   });
   foundation = dontCheck super.foundation;
+  memory = overrideCabal (appendPatch super.memory (pkgs.fetchpatch {
+    url = "https://raw.githubusercontent.com/hvr/head.hackage/master/patches/memory-0.14.18.patch";
+    sha256 = "16ar8921s3bi31y1az9zgyg0iaxxc2wvvwqjnl11a17p03wi6b29";
+  })) (drv: {
+    editedCabalFile = null;
+    preConfigure = ''
+      cp -v ${pkgs.fetchurl {url = "https://raw.githubusercontent.com/hvr/head.hackage/master/patches/memory-0.14.18.cabal"; sha256 = "1325wny0irnq51rz0f4xgkvm01p6n4z5jid2jgpkhjac8a2sdgwl";}} memory.cabal
+    '';
+  });
 }