From 989248df121118a0c6754bf2540061f212ad8f50 Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Mon, 25 Jun 2018 20:07:50 -0400
Subject: [PATCH] boot.img: fixes for cross.

---
 systems/bootimg.nix | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/systems/bootimg.nix b/systems/bootimg.nix
index 0c83efef..fe7f51cc 100644
--- a/systems/bootimg.nix
+++ b/systems/bootimg.nix
@@ -4,8 +4,8 @@
 }:
 let
   pkgs = (import ../overlay);
+  inherit (pkgs) buildPackages;
 in
-with pkgs;
 let
   device_name = device_config.name;
   device_info = device_config.info;
@@ -16,15 +16,18 @@ let
   # TODO : Allow appending / prepending
   cmdline = device_info.kernel_cmdline;
 in
-stdenv.mkDerivation {
+pkgs.stdenv.mkDerivation {
   name = "nixos-mobile_${device_name}_boot.img";
 
   src = builtins.filterSource (path: type: false) ./.;
   unpackPhase = "true";
 
+  nativeBuildInputs = [
+    buildPackages.mkbootimg
+    buildPackages.dtbTool
+  ];
+
   buildInputs = [
-    mkbootimg
-    dtbTool
     linux
   ];