SDL: Build on Darwin

pkgs/development/libraries/SDL/default.nix

@@ -7,7 +7,7 @@
 
 # OSS is no longer supported, for it's much crappier than ALSA and
 # PulseAudio.
-assert !(stdenv ? cross) -> alsaSupport || pulseaudioSupport;
+assert (stdenv.isLinux && !(stdenv ? cross)) -> alsaSupport || pulseaudioSupport;
 
 assert openglSupport -> (mesa != null && x11Support);
 assert x11Support -> (x11 != null && libXrandr != null);
@@ -51,6 +51,13 @@ stdenv.mkDerivation rec {
     "--without-x"
   ] ++ stdenv.lib.optional alsaSupport "--with-alsa-prefix=${alsaLib}/lib");
 
+  # Fix a build failure on OS X Mavericks
+  # Ticket: https://bugzilla.libsdl.org/show_bug.cgi?id=2085
+  patches = stdenv.lib.optional stdenv.isDarwin [ (fetchurl {
+    url = "http://bugzilla-attachments.libsdl.org/attachment.cgi?id=1320";
+    sha1 = "3137feb503a89a8d606405373905b92dcf7e293b";
+  }) ];
+
   crossAttrs =stdenv.lib.optionalAttrs (stdenv.cross.libc == "libSystem") {
     patches = let
       f = rev: sha256: fetchurl {
@@ -72,6 +79,6 @@ stdenv.mkDerivation rec {
     description = "A cross-platform multimedia library";
     homepage    = http://www.libsdl.org/;
     maintainers = with maintainers; [ lovek323 ];
-    platforms   = platforms.linux;
+    platforms   = platforms.unix;
   };
 }

pkgs/top-level/all-packages.nix

@@ -7357,7 +7357,7 @@ let
     openglSupport = mesaSupported;
     alsaSupport = (!stdenv.isDarwin);
     x11Support = true;
-    pulseaudioSupport = true;
+    pulseaudioSupport = (!stdenv.isDarwin);
 
     # resolve the unrecognized -fpascal-strings option error
     stdenv = if stdenv.isDarwin