From 220dcada792915dcd86e80b8b90d7e2e4f1645b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Wed, 12 Dec 2018 00:45:27 +0000
Subject: [PATCH] xorg.libXvMC: fix cross-build

---
 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 8c3917171ecc..68a2e93cb5ff 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -251,6 +251,8 @@ self: super:
 
   libXvMC = super.libXvMC.overrideAttrs (attrs: {
     outputs = [ "out" "dev" "doc" ];
+    configureFlags = attrs.configureFlags or []
+      ++ malloc0ReturnsNullCrossFlag;
     buildInputs = attrs.buildInputs ++ [self.renderproto];
   });