From c9b8574c3e21e6236ca61f67f8c48814d9555877 Mon Sep 17 00:00:00 2001
From: Neil Mayhew <nix@neil.mayhew.name>
Date: Mon, 16 May 2022 17:43:35 -0600
Subject: [PATCH 1/3] haskellPackages.polynomial: Fix build failures for ghc 9

---
 .../haskell-modules/configuration-common.nix        | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index ce1ff5d66b5c..eeac38baf23a 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -2657,4 +2657,17 @@ self: super: {
     sha256 = "sha256-O+v/OxvqnlWX3HaDvDIBZnJ+Og3xs/SJqI3gaouU3ZI=";
   }) super.records-sop;
 
+  # Fix build failures for ghc 9 (https://github.com/mokus0/polynomial/pull/20)
+  polynomial = appendPatch (fetchpatch {
+    name = "haskell-polynomial.20.patch";
+    url = "https://github.com/mokus0/polynomial/pull/20.diff";
+    sha256 = "1bwivimpi2hiil3zdnl5qkds1inyn239wgxbn3y8l2pwyppnnfl0";
+  })
+  (overrideCabal (drv: {
+    revision = null;
+    editedCabalFile = null;
+    doCheck = false; # Source dist doesn't include the checks
+  })
+  super.polynomial);
+
 } // import ./configuration-tensorflow.nix {inherit pkgs haskellLib;} self super

From 23b890a3026e6654403822978a5d1268569e0200 Mon Sep 17 00:00:00 2001
From: Neil Mayhew <nix@neil.mayhew.name>
Date: Tue, 17 May 2022 19:48:39 -0600
Subject: [PATCH 2/3] haskellPackages: Remove polynomial from the broken list

---
 .../haskell-modules/configuration-hackage2nix/broken.yaml        | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
index 2f3f618b7eeb..15002095d231 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
@@ -3935,7 +3935,6 @@ broken-packages:
   - poly-control
   - polydata-core
   - polynom
-  - polynomial
   - polynomial-algebra
   - polysemy-check
   - polysemy-keyed-state

From 6e028bd63297a2e49305d42d67b7be4c69c59c99 Mon Sep 17 00:00:00 2001
From: Neil Mayhew <nix@neil.mayhew.name>
Date: Tue, 17 May 2022 20:00:50 -0600
Subject: [PATCH 3/3] haskellPackages: regenerate package set based on current
 config

This commit has been generated by maintainers/scripts/haskell/regenerate-hackage-packages.sh
---
 pkgs/development/haskell-modules/hackage-packages.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 4a42bb8b69bb..49aa598dd9ad 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -215436,8 +215436,6 @@ self: {
        ];
        description = "Polynomials";
        license = lib.licenses.publicDomain;
-       hydraPlatforms = lib.platforms.none;
-       broken = true;
      }) {};
 
   "polynomial-algebra" = callPackage
@@ -258116,6 +258114,7 @@ self: {
        description = "Squeal PostgreSQL Library";
        license = lib.licenses.bsd3;
        hydraPlatforms = lib.platforms.none;
+       maintainers = with lib.maintainers; [ erictapen ];
      }) {};
 
   "squeal-postgresql-ltree" = callPackage