From b7893a700daf186492a8ba0b3ee77856ae9fcbea Mon Sep 17 00:00:00 2001
From: Robin Gloster <mail@glob.in>
Date: Thu, 29 Nov 2018 03:37:26 +0100
Subject: [PATCH] xorg.libXv: fix cross

---
 pkgs/servers/x11/xorg/overrides.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index 46dcdcd92253..afcf2708ac02 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -245,6 +245,8 @@ self: super:
 
   libXv = super.libXv.overrideAttrs (attrs: {
     outputs = [ "out" "dev" "devdoc" ];
+    configureFlags = attrs.configureFlags or []
+      ++ malloc0ReturnsNullCrossFlag;
   });
 
   libXvMC = super.libXvMC.overrideAttrs (attrs: {