From 50dad9e873d5ee60f008ab0d415afde7b4f3acdd Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Tue, 5 Nov 2019 01:01:15 +0100
Subject: [PATCH] xen_4_10: fix build with gcc9

---
 pkgs/applications/virtualization/xen/4.10.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/applications/virtualization/xen/4.10.nix b/pkgs/applications/virtualization/xen/4.10.nix
index d3c2ed9060c..92df54d6e83 100644
--- a/pkgs/applications/virtualization/xen/4.10.nix
+++ b/pkgs/applications/virtualization/xen/4.10.nix
@@ -156,6 +156,10 @@ callPackage (import ./generic.nix (rec {
     "-Wno-error=stringop-truncation"
     "-Wno-error=format-truncation"
     "-Wno-error=array-bounds"
+    # Fix build with GCC 9
+    "-Wno-error=address-of-packed-member"
+    "-Wno-error=format-overflow"
+    "-Wno-error=absolute-value"
   ];
 
   postPatch = ''