diff --git a/pkgs/desktops/gnome-3/default.nix b/pkgs/desktops/gnome-3/default.nix
index aa50aa18c401..952f6eaf4f87 100644
--- a/pkgs/desktops/gnome-3/default.nix
+++ b/pkgs/desktops/gnome-3/default.nix
@@ -24,7 +24,6 @@ lib.makeScope pkgs.newScope (self: with self; {
   libsoup = pkgs.libsoup.override { gnomeSupport = true; };
   libchamplain = pkgs.libchamplain.override { libsoup = libsoup; };
   gnome3 = self // { recurseForDerivations = false; };
-  gegl_0_4 = pkgs.gegl_0_4.override { gtk = pkgs.gtk3; };
 
 # ISO installer
 # installerIso = callPackage ./installer.nix {};
@@ -359,4 +358,6 @@ lib.makeScope pkgs.newScope (self: with self; {
   nautilus-sendto = throw "deprecated 2019-09-17: abandoned";
 
   inherit (pkgs) vala; # added 2019-10-10
+
+  inherit (pkgs) gegl_0_4; # added 2019-10-31
 })
diff --git a/pkgs/development/libraries/gegl/4.0.nix b/pkgs/development/libraries/gegl/4.0.nix
index 0e3f79b1814c..8632035caf7b 100644
--- a/pkgs/development/libraries/gegl/4.0.nix
+++ b/pkgs/development/libraries/gegl/4.0.nix
@@ -1,31 +1,121 @@
-{ stdenv, fetchurl, pkgconfig, glib, babl, libpng, cairo, libjpeg, which
-, librsvg, pango, gtk, bzip2, json-glib, gettext, autoreconfHook, libraw
-, gexiv2, libwebp, libintl }:
+{ stdenv
+, fetchurl
+, fetchpatch
+, pkgconfig
+, vala
+, gobject-introspection
+, gtk-doc
+, docbook_xsl
+, docbook_xml_dtd_43
+, glib
+, babl
+, libpng
+, cairo
+, libjpeg
+, librsvg
+, lensfun
+, libspiro
+, netsurf
+, pango
+, poly2tri-c
+, bzip2
+, json-glib
+, gettext
+, meson
+, ninja
+, libraw
+, gexiv2
+, libwebp
+, luajit
+, openexr
+}:
 
 stdenv.mkDerivation rec {
   pname = "gegl";
-  version = "0.4.16";
+  version = "0.4.18";
 
   outputs = [ "out" "dev" "devdoc" ];
   outputBin = "dev";
 
   src = fetchurl {
-    url = "https://download.gimp.org/pub/gegl/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
-    sha256 = "0njydcr6qdmfzh4fxx544681qxdpf7y6b2f47jcypn810dlxy4h1";
+    url = "https://download.gimp.org/pub/gegl/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
+    sha256 = "0r6akqnrkvxizyhyi8sv40mxm7j4bcwjb6mqjpxy0zzbbfsdyin9";
   };
 
-  enableParallelBuilding = true;
+  patches = [
+    # Fix arch detection.
+    # https://gitlab.gnome.org/GNOME/gegl/merge_requests/53
+    (fetchpatch {
+      url = "https://gitlab.gnome.org/GNOME/gegl/commit/6bcf95fd0f32cf5e8b1ddbe17b14d9ad049bded8.patch";
+      sha256 = "0aqdr3y5mr47wq44jnhp97188bvpjlf56zrlmn8aazdf07r2apma";
+    })
 
-  doCheck = true;
-
-  buildInputs = [
-    libpng cairo libjpeg librsvg pango gtk bzip2
-    libraw libwebp gexiv2
+    # Fix Darwin build.
+    # https://gitlab.gnome.org/GNOME/gegl/merge_requests/54
+    (fetchpatch {
+      url = "https://gitlab.gnome.org/GNOME/gegl/commit/2bc06bfedee4fb25f6a966c8235b75292e24e55f.patch";
+      sha256 = "1psls61wsrdq5pzpvj22mrm46lpzrw3wkx6li7dv6fyb65wz2n4d";
+    })
   ];
 
-  propagatedBuildInputs = [ glib json-glib babl ]; # for gegl-4.0.pc
+  nativeBuildInputs = [
+    pkgconfig
+    gettext
+    meson
+    ninja
+    vala
+    gobject-introspection
+    gtk-doc
+    docbook_xsl
+    docbook_xml_dtd_43
+  ];
 
-  nativeBuildInputs = [ pkgconfig gettext which autoreconfHook libintl ];
+  buildInputs = [
+    libpng
+    cairo
+    libjpeg
+    librsvg
+    lensfun
+    libspiro
+    netsurf.libnsgif
+    pango
+    poly2tri-c
+    bzip2
+    libraw
+    libwebp
+    gexiv2
+    luajit
+    openexr
+  ];
+
+  # for gegl-4.0.pc
+  propagatedBuildInputs = [
+    glib
+    json-glib
+    babl
+  ];
+
+  mesonFlags = [
+    "-Ddocs=true"
+    "-Dmrg=disabled" # not sure what that is
+    "-Dsdl2=disabled"
+    "-Dpygobject=disabled"
+    "-Dlibav=disabled"
+    "-Dlibv4l=disabled"
+    "-Dlibv4l2=disabled"
+    "-Dumfpack=disabled"
+  ];
+
+  # TODO: Fix missing math symbols in gegl seamless clone.
+  # It only appears when we use packaged poly2tri-c instead of vendored one.
+  NIX_CFLAGS_COMPILE = [ "-lm" ];
+
+  postPatch = ''
+    chmod +x tests/opencl/opencl_test.sh tests/buffer/buffer-tests-run.sh
+    patchShebangs tests/ff-load-save/tests_ff_load_save.sh tests/opencl/opencl_test.sh tests/buffer/buffer-tests-run.sh tools/xml_insert.sh
+  '';
+
+  doCheck = true;
 
   meta = with stdenv.lib; {
     description = "Graph-based image processing framework";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4f8303a85e85..a98e59e8b6c6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3513,7 +3513,7 @@ in
   gnome-podcasts = callPackage ../applications/audio/gnome-podcasts { };
 
   gnome-photos = callPackage ../applications/graphics/gnome-photos {
-    gegl = gnome3.gegl_0_4;
+    gegl = gegl_0_4;
   };
 
   gnokii = callPackage ../tools/misc/gnokii { };
@@ -11063,9 +11063,7 @@ in
     inherit (darwin.apple_sdk.frameworks) OpenGL;
   };
 
-  gegl_0_4 = callPackage ../development/libraries/gegl/4.0.nix {
-    gtk = res.gtk2;
-  };
+  gegl_0_4 = callPackage ../development/libraries/gegl/4.0.nix { };
 
   geoclue2 = callPackage ../development/libraries/geoclue {};