gspell: move to top-level

pkgs/development/libraries/gspell/default.nix

@@ -0,0 +1,35 @@
+{ stdenv, fetchurl, pkgconfig, libxml2, glib, gtk3, enchant2, isocodes, vala, gobjectIntrospection, gnome3 }:
+
+let
+  pname = "gspell";
+  version = "1.8.0";
+in stdenv.mkDerivation rec {
+  name = "${pname}-${version}";
+
+  outputs = [ "out" "dev" ];
+  outputBin = "dev";
+
+  src = fetchurl {
+    url = "mirror://gnome/sources/${pname}/${gnome3.versionBranch version}/${name}.tar.xz";
+    sha256 = "0ickabxngl567lv1jax4fasr5brq29hg04ymaay47pjfp32w4zqv";
+  };
+
+  propagatedBuildInputs = [ enchant2 ]; # required for pkgconfig
+
+  nativeBuildInputs = [ pkgconfig vala gobjectIntrospection libxml2 ];
+  buildInputs = [ glib gtk3 isocodes ];
+
+  passthru = {
+    updateScript = gnome3.updateScript {
+      packageName = pname;
+    };
+  };
+
+  meta = with stdenv.lib; {
+    description = "A spell-checking library for GTK+ applications";
+    homepage = https://wiki.gnome.org/Projects/gspell;
+    license = licenses.lgpl21Plus;
+    maintainers = gnome3.maintainers;
+    platforms = platforms.linux;
+  };
+}