From 95c412ab61923c4bedc263a53e98d46c6ac9b426 Mon Sep 17 00:00:00 2001
From: Ben Wolsieffer <benwolsieffer@gmail.com>
Date: Fri, 7 Jun 2019 17:46:33 -0400
Subject: [PATCH] lkl: fix cross

---
 pkgs/applications/virtualization/lkl/default.nix | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/virtualization/lkl/default.nix b/pkgs/applications/virtualization/lkl/default.nix
index d870e2466167..40503ab89d70 100644
--- a/pkgs/applications/virtualization/lkl/default.nix
+++ b/pkgs/applications/virtualization/lkl/default.nix
@@ -1,4 +1,5 @@
-{ stdenv, fetchFromGitHub, bc, python, bison, flex, fuse, libarchive }:
+{ stdenv, fetchFromGitHub, bc, python, bison, flex, fuse, libarchive
+, buildPackages }:
 
 stdenv.mkDerivation rec {
   name = "lkl-2018-08-22";
@@ -40,7 +41,12 @@ stdenv.mkDerivation rec {
   #   crypto/jitterentropy.c:54:3: error: #error "The CPU Jitter random number generator must not be compiled with optimizations. See documentation. Use the compiler switch -O0 for compiling jitterentropy.c."
   hardeningDisable = [ "format" "fortify" ];
 
-  makeFlags = "-C tools/lkl";
+  makeFlags = [
+    "-C tools/lkl"
+    "CC=${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc"
+    "HOSTCC=${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}cc"
+    "CROSS_COMPILE=${stdenv.cc.targetPrefix}"
+  ];
 
   enableParallelBuilding = true;