From f1490acef3927ab1d8f04cd7055b64c0eac4c215 Mon Sep 17 00:00:00 2001
From: Adam Joseph <adam@westernsemico.com>
Date: Fri, 5 May 2023 01:53:10 -0700
Subject: [PATCH] src/coreboot/default.nix: avoid reimporting nixpkgs

This commit changes a few path-references into `<nixpkgs/..>` so
they use attrset references instead.  This way it is not necessary
to have nixpkgs accessible via $NIX_PATH when you build ownerboot.
---
 src/coreboot/default.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/coreboot/default.nix b/src/coreboot/default.nix
index 469f7b8..b202038 100644
--- a/src/coreboot/default.nix
+++ b/src/coreboot/default.nix
@@ -19,6 +19,8 @@
 let
   version = "4.9";
   inherit (nixpkgsOnBuildForBuild) stdenv lib git python3 ncurses fetchgit;
+  buildLinuxConfigFile = (nixpkgsOnBuildForHost.buildLinux { inherit src version; }).passthru.configfile;
+  generate-config-pl = buildLinuxConfigFile.generateConfig;
   src = fetchgit {
     url = "https://review.coreboot.org/coreboot";
     branchName = "${version}";
@@ -129,7 +131,7 @@ stdenv.mkDerivation {
   passAsFile = [ "structuredConfig" ];
   structuredConfig = (lib.evalModules {
     modules = [
-      (import <nixpkgs/nixos/modules/system/boot/kernel_config.nix>)
+      buildLinuxConfigFile.passthru.module
       {
         settings = with lib.kernel; config // {
           "DEFAULT_CONSOLE_LOGLEVEL_${toString console_loglevel}" = lib.mkForce yes;
@@ -162,7 +164,7 @@ stdenv.mkDerivation {
     SRC=. \
     BUILD_ROOT=$(pwd) \
     KERNEL_CONFIG=$structuredConfigPath \
-      perl -w ${<nixpkgs/pkgs/os-specific/linux/kernel/generate-config.pl>}
+      perl -w ${generate-config-pl}
 
     runHook postConfigure
   '';