From a4e53b64d0e771fc907c61ece903c8ca66ba42ed Mon Sep 17 00:00:00 2001
From: qolii <36613499+qolii@users.noreply.github.com>
Date: Sun, 3 Jun 2018 18:43:34 +0000
Subject: [PATCH] libevent: add patches to support LibreSSL 2.7 (#41386)

---
 pkgs/development/libraries/libevent/default.nix | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/libevent/default.nix b/pkgs/development/libraries/libevent/default.nix
index b74e64aa8490..d58702a18ea0 100644
--- a/pkgs/development/libraries/libevent/default.nix
+++ b/pkgs/development/libraries/libevent/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, findutils, fixDarwinDylibNames
+{ stdenv, fetchurl, fetchpatch, findutils, fixDarwinDylibNames
 , sslSupport? true, openssl
 }:
 
@@ -13,6 +13,18 @@ stdenv.mkDerivation rec {
     sha256 = "1hhxnxlr0fsdv7bdmzsnhdz16fxf3jg2r6vyljcl3kj6pflcap4n";
   };
 
+  #NOTE: Patches to support libressl-2.7. These are taken from libevent upstream, and can both be dropped with the next release.
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/libevent/libevent/commit/22dd14945c25600de3cf8b91000c66703b551e4f.patch";
+      sha256 = "0lbr3723chycslk1vbb7rkppwckqkcbvvl0xgh31nki612dl9xsk";
+    })
+    (fetchpatch {
+      url = "https://github.com/libevent/libevent/commit/28b8075400c70b2d2da2ce07e590c2ec6d11783d.patch";
+      sha256 = "0as1vkqwpxs4rjimgv8ap7gvljkizdh0ayl0wrq80zpfzvnrb6db";
+    })
+  ];
+
   # libevent_openssl is moved into its own output, so that openssl isn't present
   # in the default closure.
   outputs = [ "out" "dev" ]