From d17ecebcf0430ac3e138feeaa33ca4a2c04aac49 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sat, 7 Dec 2019 23:40:22 +0000
Subject: [PATCH] unbound: install headers etc for libevent support as
 postInstall step

---
 pkgs/tools/networking/unbound/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/tools/networking/unbound/default.nix b/pkgs/tools/networking/unbound/default.nix
index 08e2e07581b..18d9defdd94 100644
--- a/pkgs/tools/networking/unbound/default.nix
+++ b/pkgs/tools/networking/unbound/default.nix
@@ -34,6 +34,10 @@ stdenv.mkDerivation rec {
 
   installFlags = [ "configfile=\${out}/etc/unbound/unbound.conf" ];
 
+  postInstall = ''
+    make unbound-event-install
+  '';
+
   preFixup = stdenv.lib.optionalString (stdenv.isLinux && !stdenv.hostPlatform.isMusl) # XXX: revisit
     # Build libunbound again, but only against nettle instead of openssl.
     # This avoids gnutls.out -> unbound.lib -> openssl.out.