From abc10b47158c2be67aafb4f29f259665c7b94a8e Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 4 Jul 2013 18:01:11 +0200
Subject: [PATCH] qemu: Allow building only the x86 emulator

---
 pkgs/applications/virtualization/qemu/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/virtualization/qemu/default.nix b/pkgs/applications/virtualization/qemu/default.nix
index 76783957d57b..91050619e437 100644
--- a/pkgs/applications/virtualization/qemu/default.nix
+++ b/pkgs/applications/virtualization/qemu/default.nix
@@ -3,6 +3,7 @@
 , sdlSupport ? true, SDL
 , vncSupport ? true, libjpeg, libpng
 , spiceSupport ? false, spice, spice_protocol
+, x86Only ? false
 }:
 
 stdenv.mkDerivation rec {
@@ -27,7 +28,8 @@ stdenv.mkDerivation rec {
     [ "--audio-drv-list=alsa"
       "--smbd=smbd" # use `smbd' from $PATH
     ]
-    ++ stdenv.lib.optional spiceSupport "--enable-spice";
+    ++ stdenv.lib.optional spiceSupport "--enable-spice"
+    ++ stdenv.lib.optional x86Only "--target-list=i386-softmmu,x86_64-softmmu";
 
   meta = {
     homepage = http://www.qemu.org/;