pkgs/build-game: Add ALSA library to RT deps

Most older games don't cope very well with PulseAudio, so let's add ALSA
so that a fallback is available. This is also very useful if
withPulseAudio is set to false, because this would actually mean "no
audio at all".

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

1 files changed, 8 insertions, 2 deletions

diff --git a/pkgs/games/build-support/build-game.nix b/pkgs/games/build-support/build-game.nix
index 5951883d..b64f7457 100644
--- a/pkgs/games/build-support/build-game.nix
+++ b/pkgs/games/build-support/build-game.nix
@@ -1,4 +1,8 @@
-{ stdenv, lib, file, unzip, withPulseAudio ? true, libpulseaudio ? null }:
+{ stdenv, lib, file, unzip
+
+, withPulseAudio ? true, libpulseaudio ? null
+, alsaLib
+}:
 
 assert withPulseAudio -> libpulseaudio != null;
 
@@ -36,7 +40,9 @@ stdenv.mkDerivation ({
   '';
 
   runtimeDependencies = let
-    deps = lib.optional withPulseAudio libpulseaudio ++ runtimeDependencies;
+    deps = lib.singleton alsaLib
+        ++ lib.optional withPulseAudio libpulseaudio
+        ++ runtimeDependencies;
   in map (dep: dep.lib or dep) deps;
 
   doInstallCheck = true;