From c774347c25bf4c7e0a47e84dcbe18ca2bb9363a6 Mon Sep 17 00:00:00 2001
From: sternenseemann <sternenseemann@systemli.org>
Date: Sat, 23 Mar 2024 15:41:13 +0100
Subject: [PATCH] haskell.compiler.ghcHEAD: 9.9.20231121 -> 9.11.20240323

Adds a new core package `os-string`.
---
 pkgs/development/compilers/ghc/head.nix       |  6 +--
 .../configuration-ghc-9.12.x.nix              | 53 +++++++++++++++++++
 pkgs/top-level/haskell-packages.nix           |  2 +-
 3 files changed, 57 insertions(+), 4 deletions(-)
 create mode 100644 pkgs/development/haskell-modules/configuration-ghc-9.12.x.nix

diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index a6fff5feb6b0..ab7771e94733 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -1,5 +1,5 @@
 import ./common-hadrian.nix {
-  version = "9.9.20231121";
-  rev = "955520c6c4f07187b6d5e4770ecf681cc78374f2";
-  sha256 = "0pv77khciv513aw64pfac5p60xn5z90rxl84dcalj6knmbhm8dqy";
+  version = "9.11.20240323";
+  rev = "8f7cfc7ee00978fda14f31ce4a56ad4639c07138";
+  sha256 = "1id5gmn472zrzx372hy4wci5sby941jd8imspgaam6vrqxibdyln";
 }
diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.12.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.12.x.nix
new file mode 100644
index 000000000000..7133db2abccc
--- /dev/null
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.12.x.nix
@@ -0,0 +1,53 @@
+{ pkgs, haskellLib }:
+
+let
+  inherit (pkgs) lib;
+in
+
+self: super: {
+  llvmPackages = lib.dontRecurseIntoAttrs self.ghc.llvmPackages;
+
+  # Disable GHC core libraries
+  array = null;
+  base = null;
+  binary = null;
+  bytestring = null;
+  Cabal = null;
+  Cabal-syntax = null;
+  containers = null;
+  deepseq = null;
+  directory = null;
+  exceptions = null;
+  filepath = null;
+  ghc-bignum = null;
+  ghc-boot = null;
+  ghc-boot-th = null;
+  ghc-compact = null;
+  ghc-experimental = null;
+  ghc-heap = null;
+  ghc-internal = null;
+  ghc-platform = null;
+  ghc-prim = null;
+  ghc-toolchain = null;
+  ghci = null;
+  haskeline = null;
+  hpc = null;
+  integer-gmp = null;
+  mtl = null;
+  os-string = null;
+  parsec = null;
+  pretty = null;
+  process = null;
+  rts = null;
+  semaphore-compat = null;
+  stm = null;
+  system-cxx-std-lib = null;
+  template-haskell = null;
+  # GHC only builds terminfo if it is a native compiler
+  terminfo = if pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform then null else haskellLib.doDistribute self.terminfo_0_4_1_6;
+  text = null;
+  time = null;
+  transformers = null;
+  unix = null;
+  xhtml = null;
+}
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index b0c098ddcaa8..ddfd8146b53d 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -505,7 +505,7 @@ in {
     ghcHEAD = callPackage ../development/haskell-modules {
       buildHaskellPackages = bh.packages.ghcHEAD;
       ghc = bh.compiler.ghcHEAD;
-      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.10.x.nix { };
+      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.12.x.nix { };
     };
 
     ghcjs = packages.ghcjs810;