From 58d68427c6680ee576b26a9c8421a1a8e1d27407 Mon Sep 17 00:00:00 2001
From: Alexander Foremny <alexanderforemny@gmail.com>
Date: Sun, 18 Nov 2012 20:16:54 +0100
Subject: [PATCH] Fix xf86-video-sis

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

diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index d34ccce7fe9..71a40d871be 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -158,6 +158,7 @@ in
   };
 
   xf86videosis = attrs: attrs // {
+    NIX_CFLAGS_COMPILE = "-I${xorg.pixman}/include/pixman-1";
     buildInputs = attrs.buildInputs ++ [xorg.glproto args.mesa];
   };