From 523ec0b6181bc0a1cd862c859cc693c721ec77cd Mon Sep 17 00:00:00 2001
From: Thomas Watson <twatson52@icloud.com>
Date: Tue, 20 Sep 2022 21:38:31 -0500
Subject: [PATCH] fix cross logic when building u-boot (#16)

---
 nix/m1-support/u-boot/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/nix/m1-support/u-boot/default.nix b/nix/m1-support/u-boot/default.nix
index 8e428b2f..16264559 100644
--- a/nix/m1-support/u-boot/default.nix
+++ b/nix/m1-support/u-boot/default.nix
@@ -1,8 +1,13 @@
 { lib
 , fetchFromGitHub
+, pkgs
 , pkgsCross
 , m1n1
-}: (pkgsCross.aarch64-multiplatform.buildUBoot rec {
+}: let
+  # u-boot's buildInputs get a different hash and don't build right if we try to
+  # cross-build for aarch64 on itself for whatever reason
+  buildPkgs = if pkgs.system == "aarch64-linux" then pkgs else pkgsCross.aarch64-multiplatform;
+in (buildPkgs.buildUBoot rec {
   src = fetchFromGitHub {
     # tracking: https://github.com/AsahiLinux/PKGBUILDs/blob/main/uboot-asahi/PKGBUILD
     owner = "AsahiLinux";