From fbc307a18322c42db500aaebeaa21e0e93e82162 Mon Sep 17 00:00:00 2001
From: aszlig <aszlig@redmoonstudios.org>
Date: Mon, 24 Feb 2014 05:55:29 +0100
Subject: [PATCH] SDL/cross: Fix building with mingw-w64.

This is to make sure that we don't get Xlibs or alsa in cross builds,
because those aren't available on non-Linux/Unix platforms.

Also, until we don't have the DirectX SDK packaged, let's disable it
during cross builds.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
---
 pkgs/development/libraries/SDL/default.nix | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/libraries/SDL/default.nix b/pkgs/development/libraries/SDL/default.nix
index e58397fa9a5b..0df130b11fb1 100644
--- a/pkgs/development/libraries/SDL/default.nix
+++ b/pkgs/development/libraries/SDL/default.nix
@@ -19,7 +19,7 @@ let
         --disable-oss --disable-video-x11-xme
         --disable-x11-shared --disable-alsa-shared --enable-rpath --disable-pulseaudio-shared
         --disable-osmesa-shared
-        ${if alsaSupport then "--with-alsa-prefix=${attrs.alsaLib}/lib" else ""}
+        ${if attrs.alsaSupport then "--with-alsa-prefix=${attrs.alsaLib}/lib" else ""}
       '';
 in
 stdenv.mkDerivation rec {
@@ -32,20 +32,24 @@ stdenv.mkDerivation rec {
   };
 
   # Since `libpulse*.la' contain `-lgdbm', PulseAudio must be propagated.
-  propagatedBuildInputs = stdenv.lib.optionals x11Support [ x11 libXrandr ] ++
+  propagatedNativeBuildInputs =
+    stdenv.lib.optionals x11Support [ x11 libXrandr ] ++
     stdenv.lib.optional pulseaudioSupport pulseaudio;
 
-  buildInputs = [ pkgconfig audiofile ] ++
+  nativeBuildInputs = [ pkgconfig audiofile ] ++
     stdenv.lib.optional openglSupport [ mesa ] ++
     stdenv.lib.optional alsaSupport alsaLib;
 
   # XXX: By default, SDL wants to dlopen() PulseAudio, in which case
   # we must arrange to add it to its RPATH; however, `patchelf' seems
   # to fail at doing this, hence `--disable-pulseaudio-shared'.
-  configureFlags = configureFlagsFun { inherit alsaLib; };
+  configureFlags = configureFlagsFun { inherit alsaLib alsaSupport; };
 
   crossAttrs = {
-      configureFlags = configureFlagsFun { alsaLib = alsaLib.crossDrv; };
+    configureFlags = configureFlagsFun {
+      alsaSupport = stdenv.cross.config != "x86_64-w64-mingw32";
+      alsaLib = alsaLib.crossDrv;
+    } + "--disable-directx";
   };
 
   passthru = {inherit openglSupport;};