From 7d7a9df3605c86e17bced51afe67eecd43f99754 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Tue, 16 Feb 2016 19:48:19 +0100
Subject: [PATCH] html-tidy: fix on mingw

This doesn't fix the cross-build by itself due to
https://github.com/NixOS/nixpkgs/issues/14965
But in this case one can hack around that "easily" by:
  (html-tidy.override {
    inherit (/*non-cross nixpkgs eval*/)
      cmake;
  }).crossDrv
---
 pkgs/tools/text/html-tidy/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/tools/text/html-tidy/default.nix b/pkgs/tools/text/html-tidy/default.nix
index 062715b83020..c0db454ed29b 100644
--- a/pkgs/tools/text/html-tidy/default.nix
+++ b/pkgs/tools/text/html-tidy/default.nix
@@ -13,6 +13,9 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake libxslt/*manpage*/ ];
 
+  cmakeFlags = stdenv.lib.optional
+    (stdenv.cross.libc or null == "msvcrt") "-DCMAKE_SYSTEM_NAME=Windows";
+
   # ATM bin/tidy is statically linked, as upstream provides no other option yet.
   # https://github.com/htacg/tidy-html5/issues/326#issuecomment-160322107