From 694eef94d79a6bd6170f0109c22f8e6d8e6f0938 Mon Sep 17 00:00:00 2001
From: Nick Cao <nickcao@nichi.co>
Date: Thu, 10 Feb 2022 09:51:58 +0800
Subject: [PATCH] dpdk-kmods: prepend kernel.makeFlags to makeFlags

---
 pkgs/os-specific/linux/dpdk-kmods/default.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pkgs/os-specific/linux/dpdk-kmods/default.nix b/pkgs/os-specific/linux/dpdk-kmods/default.nix
index a188336cbe5..694e508dcd0 100644
--- a/pkgs/os-specific/linux/dpdk-kmods/default.nix
+++ b/pkgs/os-specific/linux/dpdk-kmods/default.nix
@@ -11,6 +11,9 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "pic" ];
 
+  makeFlags = kernel.makeFlags ++ [
+    "INSTALL_MOD_PATH=${placeholder "out"}"
+  ];
   KSRC = "${kernel.dev}/lib/modules/${kernel.modDirVersion}/build";
 
   nativeBuildInputs = kernel.moduleBuildDependencies;
@@ -18,10 +21,9 @@ stdenv.mkDerivation rec {
   preBuild = "cd linux/igb_uio";
 
   installPhase = ''
-    make -C ${KSRC} M=$(pwd) modules_install
+    make -C ${KSRC} M=$(pwd) modules_install $makeFlags
   '';
 
-  INSTALL_MOD_PATH = placeholder "out";
   enableParallelBuilding = true;
 
   meta = with lib; {