From e0b89affa04465a31c8564b49518a2eaad95573f Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <pavol@rusnak.io>
Date: Tue, 24 Aug 2021 17:17:07 +0200
Subject: [PATCH] haskellPackages: fix ghc build on aarch64-darwin

by adding autoSignDarwinBinariesHook to nativeBuildInputs
---
 pkgs/development/compilers/ghc/8.10.6.nix | 5 ++++-
 pkgs/top-level/haskell-packages.nix       | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/compilers/ghc/8.10.6.nix b/pkgs/development/compilers/ghc/8.10.6.nix
index f1223deed85e..a11be3b47dc7 100644
--- a/pkgs/development/compilers/ghc/8.10.6.nix
+++ b/pkgs/development/compilers/ghc/8.10.6.nix
@@ -2,7 +2,8 @@
 
 # build-tools
 , bootPkgs
-, autoconf, automake, coreutils, fetchpatch, fetchurl, perl, python3, m4, sphinx, xattr
+, autoconf, automake, coreutils, fetchpatch, fetchurl, perl, python3, m4, sphinx
+, xattr, autoSignDarwinBinariesHook
 , bash
 
 , libiconv ? null, ncurses
@@ -249,6 +250,8 @@ stdenv.mkDerivation (rec {
   nativeBuildInputs = [
     perl autoconf automake m4 python3
     ghc bootPkgs.alex bootPkgs.happy bootPkgs.hscolour
+  ] ++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [
+    autoSignDarwinBinariesHook
   ] ++ lib.optionals enableDocs [
     sphinx
   ];
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 4ef012b9b4f5..10455405af42 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -96,7 +96,7 @@ in {
       # Need to use apple's patched xattr until
       # https://github.com/xattr/xattr/issues/44 and
       # https://github.com/xattr/xattr/issues/55 are solved.
-      inherit (buildPackages.darwin) xattr;
+      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
       buildLlvmPackages = buildPackages.llvmPackages_9;
       llvmPackages = pkgs.llvmPackages_9;
     };