haskellPackages.flat: fix build with GHC 9.0

2 years ago · a826da2d94
parent 2dde9a3002
commit a826da2d94
1 changed files with 9 additions and 0 deletions
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@ -127,6 +127,15 @@ self: super: {
  hoodle-core = dontHaddock super.hoodle-core;
  hsc3-db = dontHaddock super.hsc3-db;

+  # Pick patch from master for GHC 9.0 support
+  flat = assert pkgs.lib.versionOlder super.flat.version "0.5"; appendPatches [
+    (pkgs.fetchpatch {
+      name = "flat-ghc-9.0.patch";
+      url = "https://github.com/Quid2/flat/commit/d32c2c0c0c3c38c41177684ade9febe92d279b06.patch";
+      sha256 = "0ay0c53jpjmnnh7ylfpzpxqkhs1vq9jdwm9f84d40r88ki8hls8g";
+    })
+  ] super.flat;
+
  # https://github.com/techtangents/ablist/issues/1
  ABList = dontCheck super.ABList;