From 20321f66d7f8b434b84d4f3f4cb6353367256bc7 Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@mailbox.org>
Date: Fri, 21 Jul 2017 07:40:23 -0500
Subject: [PATCH] x264: unset AS

Commit 093cc00cdd9d8cf31ecce5bc1dd3645c460a1b98 sets the environment variable
`AS' to the binutils assembler, but x264 needs yasm.
---
 pkgs/development/libraries/x264/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/libraries/x264/default.nix b/pkgs/development/libraries/x264/default.nix
index 6e4dc00b038..bf32969836c 100644
--- a/pkgs/development/libraries/x264/default.nix
+++ b/pkgs/development/libraries/x264/default.nix
@@ -15,6 +15,11 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "lib" ]; # leaving 52 kB of headers
 
+  preConfigure = ''
+    # `AS' is set to the binutils assembler, but we need yasm
+    unset AS
+  '';
+
   configureFlags = [ "--enable-shared" ]
     ++ stdenv.lib.optional (!stdenv.isi686) "--enable-pic"
     ++ stdenv.lib.optional (enable10bit) "--bit-depth=10";