From 857507f690c411269f66df74ecc18c8a6d06c4d2 Mon Sep 17 00:00:00 2001
From: Tristan <starcraft66@gmail.com>
Date: Sat, 13 Nov 2021 20:04:15 -0500
Subject: [PATCH] freeimage: fix build on aarch64-darwin (#145785)

---
 pkgs/development/libraries/freeimage/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/libraries/freeimage/default.nix b/pkgs/development/libraries/freeimage/default.nix
index 87997cead43f..2b4b174ca31b 100644
--- a/pkgs/development/libraries/freeimage/default.nix
+++ b/pkgs/development/libraries/freeimage/default.nix
@@ -24,6 +24,9 @@ stdenv.mkDerivation {
       --replace "pkg-config" "$PKG_CONFIG"
     substituteInPlace Makefile.gnu \
       --replace "pkg-config" "$PKG_CONFIG"
+  '' + lib.optionalString (stdenv.isDarwin && stdenv.isAarch64) ''
+    # Upstream Makefile hardcodes i386 and x86_64 architectures only
+    substituteInPlace Makefile.osx --replace "x86_64" "arm64"
   '';
 
   nativeBuildInputs = [