From 23efc95a742cb1bfe271d643ed5b34d9bd02e181 Mon Sep 17 00:00:00 2001
From: David McFarland <corngood@gmail.com>
Date: Tue, 23 May 2017 10:35:33 -0300
Subject: [PATCH] gzip: remove cygwin hack

The file being patched doesn't exist any more, and gzip now builds
on cygwin without this.
---
 pkgs/tools/compression/gzip/default.nix | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/pkgs/tools/compression/gzip/default.nix b/pkgs/tools/compression/gzip/default.nix
index 5a27d336c29..cb7dc65c710 100644
--- a/pkgs/tools/compression/gzip/default.nix
+++ b/pkgs/tools/compression/gzip/default.nix
@@ -15,10 +15,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ xz.bin ];
 
-  preConfigure = if stdenv.isCygwin then ''
-    sed -i lib/fpending.h -e 's,include <stdio_ext.h>,,'
-  '' else null;
-
   # In stdenv-linux, prevent a dependency on bootstrap-tools.
   makeFlags = "SHELL=/bin/sh GREP=grep";