vips: Add darwin support

pkgs/tools/graphics/vips/default.nix

@@ -1,5 +1,6 @@
 { stdenv, fetchurl, pkgconfig, glib, libxml2, expat,
   fftw, orc, lcms, imagemagick, openexr, libtiff, libjpeg, libgsf, libexif,
+  ApplicationServices,
   python27, libpng ? null
 }:
 
@@ -12,18 +13,17 @@ stdenv.mkDerivation rec {
     sha256 = "1nymm4vzscb68aifin9q742ff64b4k4ddppq1060w8hf6h7ay0l7";
   };
 
-  buildInputs =
-    [ pkgconfig glib libxml2 fftw orc lcms
-      imagemagick openexr libtiff libjpeg
-      libgsf libexif python27 libpng
-      expat
-    ];
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ glib libxml2 fftw orc lcms
+    imagemagick openexr libtiff libjpeg
+    libgsf libexif python27 libpng expat ]
+    ++ stdenv.lib.optional stdenv.isDarwin ApplicationServices;
 
   meta = with stdenv.lib; {
     homepage = http://www.vips.ecs.soton.ac.uk;
     description = "Image processing system for large images";
     license = licenses.lgpl2Plus;
     maintainers = with maintainers; [ kovirobi ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 }

pkgs/top-level/all-packages.nix

@@ -21893,7 +21893,9 @@ with pkgs;
   vimb-unwrapped = callPackage ../applications/networking/browsers/vimb { };
   vimb = wrapFirefox vimb-unwrapped { };
 
-  vips = callPackage ../tools/graphics/vips { };
+  vips = callPackage ../tools/graphics/vips {
+    inherit (darwin.apple_sdk.frameworks) ApplicationServices;
+  };
   nip2 = callPackage ../tools/graphics/nip2 { };
 
   virglrenderer = callPackage ../development/libraries/virglrenderer { };