From 3d600726b31bc1d7721775097a03cc702f315c17 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Tue, 21 Feb 2017 18:26:52 +0100
Subject: [PATCH] xen: fixup build with glibc-2.25

---
 pkgs/applications/virtualization/xen/generic.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/applications/virtualization/xen/generic.nix b/pkgs/applications/virtualization/xen/generic.nix
index a697e2aa7ef..9943d70fa8c 100644
--- a/pkgs/applications/virtualization/xen/generic.nix
+++ b/pkgs/applications/virtualization/xen/generic.nix
@@ -74,6 +74,11 @@ stdenv.mkDerivation {
       ${flip concatMapStrings xenExtfiles (x: let src = fetchurl x; in ''
         cp ${src} xen_ext_files/${src.name}
       '')}
+
+      # Avoid a glibc >= 2.25 deprecation warnings that get fatal via -Werror.
+      sed 1i'#include <sys/sysmacros.h>' \
+        -i tools/blktap2/control/tap-ctl-allocate.c \
+        -i tools/libxl/libxl_device.c
   '';
 
   preConfigure = ''