From 1ea0a243d2b5558dc4dc441d6775d12671d32b00 Mon Sep 17 00:00:00 2001
From: Marek Mahut <marek.mahut@gmail.com>
Date: Fri, 21 Feb 2020 13:53:27 +0100
Subject: [PATCH] libfido2: evaluate systemd only on Linux

---
 pkgs/development/libraries/libfido2/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/libfido2/default.nix b/pkgs/development/libraries/libfido2/default.nix
index 9736f0b15332..32d19283974c 100644
--- a/pkgs/development/libraries/libfido2/default.nix
+++ b/pkgs/development/libraries/libfido2/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ cmake pkgconfig ];
-  buildInputs = [ libcbor libressl udev ];
+  buildInputs = [ libcbor libressl ] ++ stdenv.lib.optionals stdenv.isLinux [ udev ];
 
   cmakeFlags = [ "-DUDEV_RULES_DIR=${placeholder "out"}/etc/udev/rules.d" ];