From aec57cfabe44acf0b87fa0bf9512da6b808f3c5f Mon Sep 17 00:00:00 2001
From: Remy Goldschmidt <taktoa@gmail.com>
Date: Mon, 19 Mar 2018 16:45:37 -0400
Subject: [PATCH 1/2] mingw-w64: Add enable-idl / enable-secure-api flags

---
 pkgs/os-specific/windows/mingw-w64/common.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/os-specific/windows/mingw-w64/common.nix b/pkgs/os-specific/windows/mingw-w64/common.nix
index ece2586dc80..05f2fbe5a86 100644
--- a/pkgs/os-specific/windows/mingw-w64/common.nix
+++ b/pkgs/os-specific/windows/mingw-w64/common.nix
@@ -8,4 +8,9 @@ rec {
     url = "mirror://sourceforge/mingw-w64/mingw-w64-v${version}.tar.bz2";
     sha256 = "0p01vm5kx1ixc08402z94g1alip4vx66gjpvyi9maqyqn2a76h0c";
   };
+
+  configureFlags = [
+    "--enable-idl"
+    "--enable-secure-api"
+  ];
 }

From 1d3db8139ea1e15d02b77e6ac0c20426fa9301cf Mon Sep 17 00:00:00 2001
From: Moritz Angermann <moritz.angermann@gmail.com>
Date: Tue, 27 Feb 2018 09:46:03 +0800
Subject: [PATCH 2/2] mingw-w64: 4.0.6 -> 5.0.3

This came up with GHC, as GHC requires `_(un)lock_file`, which are only present in mingw-w64 >= 5.
---
 pkgs/os-specific/windows/mingw-w64/common.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/os-specific/windows/mingw-w64/common.nix b/pkgs/os-specific/windows/mingw-w64/common.nix
index 05f2fbe5a86..102d9489fe9 100644
--- a/pkgs/os-specific/windows/mingw-w64/common.nix
+++ b/pkgs/os-specific/windows/mingw-w64/common.nix
@@ -1,12 +1,12 @@
 { fetchurl }:
 
 rec {
-  version = "4.0.6";
+  version = "5.0.3";
   name = "mingw-w64-${version}";
 
   src = fetchurl {
     url = "mirror://sourceforge/mingw-w64/mingw-w64-v${version}.tar.bz2";
-    sha256 = "0p01vm5kx1ixc08402z94g1alip4vx66gjpvyi9maqyqn2a76h0c";
+    sha256 = "1d4wrjfdlq5xqpv9zg6ssw4lm8jnv6522xf7d6zbjygmkswisq1a";
   };
 
   configureFlags = [