From 1bb51a3a86c6a18e333396815c4b81883a12ac77 Mon Sep 17 00:00:00 2001
From: Michael Peyton Jones <me@michaelpj.com>
Date: Sun, 26 May 2019 14:03:48 +0100
Subject: [PATCH] fprintd: set sysconfdir

---
 pkgs/tools/security/fprintd/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/security/fprintd/default.nix b/pkgs/tools/security/fprintd/default.nix
index b43be1a69240..84727f55b933 100644
--- a/pkgs/tools/security/fprintd/default.nix
+++ b/pkgs/tools/security/fprintd/default.nix
@@ -17,7 +17,11 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig intltool ];
 
-  configureFlags = [ "--with-systemdsystemunitdir=$(out)/lib/systemd/system" "--localstatedir=/var" ];
+  configureFlags = [ 
+    "--with-systemdsystemunitdir=${placeholder "out"}/lib/systemd/system" 
+    "--localstatedir=/var" 
+    "--sysconfdir=${placeholder "out"}/etc" 
+  ];
 
   meta = with stdenv.lib; {
     homepage = https://fprint.freedesktop.org/;