From 32ec718b57ac9844be9d1131a6a1c9b63da408fb Mon Sep 17 00:00:00 2001
From: rnhmjoj <rnhmjoj@inventati.org>
Date: Sun, 24 Mar 2019 10:54:44 +0100
Subject: [PATCH] haskellPackages.superbuffer: fix build

---
 pkgs/development/haskell-modules/configuration-common.nix | 8 ++++++++
 .../haskell-modules/configuration-hackage2nix.yaml        | 1 -
 pkgs/development/haskell-modules/hackage-packages.nix     | 1 -
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 4bdb11eeed2..bc718a8f501 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1217,6 +1217,14 @@ self: super: {
     })];
   });
 
+  # Remove unecessary constraint:
+  # https://github.com/agrafix/superbuffer/pull/2
+  superbuffer = overrideCabal super.superbuffer (drv: {
+    postPatch = ''
+      sed -i 's#QuickCheck < 2.10#QuickCheck < 2.13#' superbuffer.cabal
+    '';
+  });
+
   # Use latest pandoc despite what LTS says.
   # Test suite fails in both 2.5 and 2.6: https://github.com/jgm/pandoc/issues/5309.
   pandoc = doDistribute super.pandoc_2_7_1;
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
index 8cd3b979906..75e5fabb658 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
@@ -8872,7 +8872,6 @@ broken-packages:
   - sunroof-server
   - super-user-spark
   - superbubbles
-  - superbuffer
   - supercollider-ht
   - supercollider-midi
   - superconstraints
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 20968e54037..001d48f674f 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -214523,7 +214523,6 @@ self: {
        description = "Efficiently build a bytestring from smaller chunks";
        license = stdenv.lib.licenses.bsd3;
        hydraPlatforms = stdenv.lib.platforms.none;
-       broken = true;
      }) {};
 
   "supercollider-ht" = callPackage