From 808f05808b40c9092a54cfab7799c13cdb8a5db5 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Sun, 2 Dec 2018 19:34:55 -0600
Subject: [PATCH] kmod: avoid mass rebuild
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elf-header shouldn’t be needed on linux
---
 pkgs/os-specific/linux/kmod/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/os-specific/linux/kmod/default.nix b/pkgs/os-specific/linux/kmod/default.nix
index cace828685a..8a09d7fea09 100644
--- a/pkgs/os-specific/linux/kmod/default.nix
+++ b/pkgs/os-specific/linux/kmod/default.nix
@@ -15,7 +15,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig libxslt ];
-  buildInputs = [ xz elf-header ];
+  buildInputs = [ xz ] ++ lib.optional stdenv.isDarwin elf-header;
 
   configureFlags = [
     "--sysconfdir=/etc"