From a3bc86aba30377b623cb398a78b6cb21e5cb880b Mon Sep 17 00:00:00 2001
From: sternenseemann <0rpkxez4ksa01gb3typccl0i@systemli.org>
Date: Sun, 5 Sep 2021 21:43:43 +0200
Subject: [PATCH] haskell.packages.ghc921.base-compat: use 0.12.0 for GHC 9.2
 support

---
 pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix
index f549dfbce1ad..c69f2fc9c973 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix
@@ -43,6 +43,9 @@ self: super: {
   unix = null;
   xhtml = null;
 
+  # 0.12.0 introduces support for 9.2
+  base-compat = self.base-compat_0_12_0;
+
   # cabal-install needs more recent versions of Cabal and base16-bytestring.
   cabal-install = (doJailbreak super.cabal-install).overrideScope (self: super: {
     Cabal = null;