diff --git a/pkgs/applications/video/mplayer/default.nix b/pkgs/applications/video/mplayer/default.nix
index 3a270da21e9..60625412617 100644
--- a/pkgs/applications/video/mplayer/default.nix
+++ b/pkgs/applications/video/mplayer/default.nix
@@ -199,6 +199,6 @@ stdenv.mkDerivation rec {
     homepage = "http://mplayerhq.hu";
     license = "GPL";
     maintainers = [ stdenv.lib.maintainers.eelco stdenv.lib.maintainers.urkud ];
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
 }
diff --git a/pkgs/development/libraries/portaudio/default.nix b/pkgs/development/libraries/portaudio/default.nix
index 5d8c2430ab9..3882e1fb08a 100644
--- a/pkgs/development/libraries/portaudio/default.nix
+++ b/pkgs/development/libraries/portaudio/default.nix
@@ -1,4 +1,5 @@
-{ stdenv, fetchurl, alsaLib, pkgconfig }:
+{ stdenv, fetchurl, alsaLib, pkgconfig
+, AudioUnit, AudioToolbox, CoreAudio, CoreServices, Carbon }:
 
 stdenv.mkDerivation rec {
   name = "portaudio-19-20140130";
@@ -11,31 +12,26 @@ stdenv.mkDerivation rec {
   buildInputs = [ pkgconfig ]
     ++ stdenv.lib.optional (!stdenv.isDarwin) alsaLib;
 
-  configureFlags = stdenv.lib.optionals stdenv.isDarwin
-    [ "--build=x86_64" "--without-oss" "--enable-static" "--enable-shared" ];
+  configureFlags = [ "--disable-mac-universal" ];
 
-  preBuild = stdenv.lib.optionalString stdenv.isDarwin ''
+  propagatedBuildInputs = stdenv.lib.optionals stdenv.isDarwin [ AudioUnit AudioToolbox CoreAudio CoreServices Carbon ];
+
+  patchPhase = stdenv.lib.optionalString stdenv.isDarwin ''
     sed -i '50 i\
       #include <CoreAudio/AudioHardware.h>\
       #include <CoreAudio/AudioHardwareBase.h>\
       #include <CoreAudio/AudioHardwareDeprecated.h>' \
       include/pa_mac_core.h
-
-    # disable two tests that don't compile
-    sed -i -e 105d Makefile
-    sed -i -e 107d Makefile
   '';
 
   # not sure why, but all the headers seem to be installed by the make install
-  installPhase = if stdenv.isDarwin then ''
-    mkdir -p "$out"
-    cp -r include "$out"
-    cp -r lib "$out"
-  '' else ''
+  installPhase = ''
     make install
-
+  '' + stdenv.lib.optionalString (!stdenv.isDarwin) ''
     # fixup .pc file to find alsa library
     sed -i "s|-lasound|-L${alsaLib.out}/lib -lasound|" "$out/lib/pkgconfig/"*.pc
+  '' + stdenv.lib.optionalString stdenv.isDarwin ''
+    cp include/pa_mac_core.h $out/include/pa_mac_core.h
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/qt-4.x/4.8/default.nix b/pkgs/development/libraries/qt-4.x/4.8/default.nix
index 8526a5f5b82..91a8899f4d1 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -4,7 +4,7 @@
 , libmng, which, mesaSupported, mesa, mesa_glu, openssl, dbus, cups, pkgconfig
 , libtiff, glib, icu, mysql, postgresql, sqlite, perl, coreutils, libXi
 , buildMultimedia ? stdenv.isLinux, alsaLib, gstreamer, gst_plugins_base
-, buildWebkit ? stdenv.isLinux
+, buildWebkit ? (stdenv.isLinux || stdenv.isDarwin)
 , flashplayerFix ? false, gdk_pixbuf
 , gtkStyle ? false, libgnomeui, gtk2, GConf, gnome_vfs
 , developerBuild ? false
diff --git a/pkgs/servers/pulseaudio/default.nix b/pkgs/servers/pulseaudio/default.nix
index efa5d71a76f..09be8c7c587 100644
--- a/pkgs/servers/pulseaudio/default.nix
+++ b/pkgs/servers/pulseaudio/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, autoreconfHook
+{ lib, stdenv, fetchurl, fetchpatch, pkgconfig, intltool, autoreconfHook
 , json_c, libsndfile, libtool
 , xorg, libcap, alsaLib, glib
 , avahi, libjack2, libasyncns, lirc, dbus
@@ -30,6 +30,8 @@
 
 , # Whether to build only the library.
   libOnly ? false
+
+, CoreServices, AudioUnit, Cocoa
 }:
 
 stdenv.mkDerivation rec {
@@ -41,7 +43,11 @@ stdenv.mkDerivation rec {
     sha256 = "11j682g2mn723sz3bh4i44ggq29z053zcggy0glzn63zh9mxdly3";
   };
 
-  patches = [ ./caps-fix.patch ];
+  patches = [ ./caps-fix.patch ]
+            ++ stdenv.lib.optional stdenv.isDarwin (fetchpatch {
+              url = "https://bugs.freedesktop.org/attachment.cgi?id=127889";
+              sha256 = "063h5vmh4ykgxjbxyxjlj6qhyyxhazbh3p18p1ik69kq24nkny9m";
+            });
 
   outputs = [ "out" "dev" ];
 
@@ -53,6 +59,7 @@ stdenv.mkDerivation rec {
   buildInputs =
     [ json_c libsndfile speexdsp fftwFloat ]
     ++ lib.optionals stdenv.isLinux [ glib dbus ]
+    ++ lib.optionals stdenv.isDarwin [ CoreServices AudioUnit Cocoa ]
     ++ lib.optionals (!libOnly) (
       [ libasyncns webrtc-audio-processing ]
       ++ lib.optional jackaudioSupport libjack2
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b4de9685154..bb6576491bb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9091,7 +9091,9 @@ in
 
   popt = callPackage ../development/libraries/popt { };
 
-  portaudio = callPackage ../development/libraries/portaudio { };
+  portaudio = callPackage ../development/libraries/portaudio {
+    inherit (darwin.apple_sdk.frameworks) AudioToolbox AudioUnit CoreAudio CoreServices Carbon;
+  };
 
   portmidi = callPackage ../development/libraries/portmidi {};
 
@@ -10425,11 +10427,16 @@ in
 
   pshs = callPackage ../servers/http/pshs { };
 
-  libpulseaudio = callPackage ../servers/pulseaudio { libOnly = true; };
+  libpulseaudio = callPackage ../servers/pulseaudio {
+    libOnly = true;
+    inherit (darwin.apple_sdk.frameworks) CoreServices AudioUnit Cocoa;
+  };
 
   # Name is changed to prevent use in packages;
   # please use libpulseaudio instead.
-  pulseaudioLight = callPackage ../servers/pulseaudio { };
+  pulseaudioLight = callPackage ../servers/pulseaudio {
+    inherit (darwin.apple_sdk.frameworks) CoreServices AudioUnit Cocoa;
+  };
 
   pulseaudioFull = callPackage ../servers/pulseaudio {
     gconf = gnome3.gconf;
@@ -10440,6 +10447,7 @@ in
     bluetoothSupport = true;
     remoteControlSupport = true;
     zeroconfSupport = true;
+    inherit (darwin.apple_sdk.frameworks) CoreServices AudioUnit Cocoa;
   };
 
   tomcat_connectors = callPackage ../servers/http/apache-modules/tomcat-connectors { };