Adding Pipelight via patch from Sven Keidel and some cleanup

5 files changed, 12612 insertions, 0 deletions

diff --git a/pkgs/tools/misc/pipelight/default.nix b/pkgs/tools/misc/pipelight/default.nix
new file mode 100644
index 000000000000..ea1ba37a2edd
--- /dev/null
+++ b/pkgs/tools/misc/pipelight/default.nix
@@ -0,0 +1,98 @@
+{ stdenv, fetchurl, fetchgit, autoconf, automake, wineUnstable, perl, xlibs
+  , gnupg, gcc48_multi, mesa, curl, bash, cacert, cabextract, utillinux, attr
+  }:
+
+let
+  wine_patches_version = "1.7.28";
+  wine_hash = "04r3zk3dz2vzly2a4nqbcvppjs5iy3lq5ibx3wfrf877p5bz3hv7";
+
+  wine_patches = fetchgit {
+    url = "git://github.com/compholio/wine-compholio.git";
+    rev = "refs/tags/v${wine_patches_version}";
+    sha256 = "17f1wmxbx6ly1ws4p528ijf9b4yvmnmap5k7npw9icvkyaky5xi9";
+  };
+
+  wine_custom =
+    stdenv.lib.overrideDerivation wineUnstable (args: rec {
+      name = "wine-${wine_patches_version}";
+      src = null;
+      srcs = [
+	      (fetchurl {
+                url = "mirror://sourceforge/wine/${name}.tar.bz2";
+                sha256 = wine_hash;
+	      })
+	      wine_patches ];
+      sourceRoot = "./${name}";
+      buildInputs = args.buildInputs ++ [ 
+        autoconf perl utillinux automake attr 
+      ];
+      nativeBuildInputs = args.nativeBuildInputs ++ [ 
+        autoconf perl utillinux automake attr 
+      ];
+      postPatch = ''
+        export wineDir=$(pwd)
+        patchShebangs $wineDir/tools/
+	chmod u+w $wineDir/../git-export/debian/tools/
+        patchShebangs $wineDir/../git-export/debian/tools/
+        chmod -R +rwx ../git-export/
+        make -C ../git-export/patches DESTDIR=$wineDir install
+      '';
+    });
+
+  mozillaPluginPath = "/lib/mozilla/plugins";
+
+  fixupPatch = ./pipelight-fixup.patch;
+
+in stdenv.mkDerivation rec {
+
+  version = "0.2.7.2";
+
+  name = "pipelight-${version}";
+
+  src = fetchurl {
+    url = "https://bitbucket.org/mmueller2012/pipelight/get/v${version}.tar.gz";
+    sha256 = "02132151091f1f62d7409a537649efc86deb0eb4a323fd66907fc22947e2cfbd";
+  };
+
+  buildInputs = [ wine_custom xlibs.libX11 gcc48_multi mesa curl ];
+  propagatedbuildInputs = [ curl cabextract ];
+
+  patches = [ ./pipelight.patch ];
+
+  configurePhase = ''
+    ./configure \
+      --prefix=$out \
+      --moz-plugin-path=$out/${mozillaPluginPath} \
+      --wine-path=${wine_custom} \
+      --gpg-exec=${gnupg}/bin/gpg2 \
+      --bash-interp=${bash}/bin/bash \
+      --downloader=${curl}/bin/curl
+      $configureFlags
+  '';
+
+  passthru = {
+    mozillaPlugin = mozillaPluginPath;
+    wine = wine_custom;
+  };
+
+  postInstall = ''
+    $out/bin/pipelight-plugin --update
+    $out/bin/pipelight-plugin --create-mozilla-plugins
+  '';
+
+  preFixup = ''
+    patch -d $out -p1 <${fixupPatch}
+    substituteInPlace $out/share/pipelight/install-dependency \
+      --replace cabextract ${cabextract}/bin/cabextract
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = {
+    homepage = "http://pipelight.net/";
+    licenses = with stdenv.lib.licenses; [ mpl11 gpl2 lgpl21 ];
+    description = "A wrapper for using Windows plugins in Linux browsers";
+    maintainers = with stdenv.lib.maintainers; [skeidel];
+    platforms = with stdenv.lib.platforms; linux;
+  };
+}
diff --git a/pkgs/tools/misc/pipelight/pipelight-fixup.patch b/pkgs/tools/misc/pipelight/pipelight-fixup.patch
new file mode 100644
index 000000000000..8033e8458d08
--- /dev/null
+++ b/pkgs/tools/misc/pipelight/pipelight-fixup.patch
@@ -0,0 +1,54 @@
+diff -urN pipelight2.old/share/pipelight/install-dependency pipelight2.new/share/pipelight/install-dependency
+--- pipelight2.old/share/pipelight/install-dependency	2014-07-27 01:38:39.806379602 +0200
++++ pipelight2.new/share/pipelight/install-dependency	2014-07-27 01:40:08.689861556 +0200
+@@ -734,42 +734,14 @@
+	return 0
+ }
+
+-# Use fetch on FreeBSD if wget is not available
+-if command -v wget >/dev/null 2>&1; then
+-	download_file()
+-	{
+-		wget -O "$1" "$2"
+-	}
+-	get_download_size()
+-	{
+-		local filesize="$(wget -O- "$1" --spider --server-response 2>&1 | sed -ne '/Content-Length/{s/.*: //;p}')"
+-		local re='^[0-9]+$'
+-		if [[ "$filesize" -ne "0" ]] && [[ "$filesize" =~ $re ]]; then
+-			echo "$(($filesize/(1024*1024)))"
+-		else
+-			echo "N/A"
+-		fi
+-	}
+-elif command -v fetch >/dev/null 2>&1; then
+-	download_file()
+-	{
+-		fetch -o "$1" "$2"
+-	}
+-	get_download_size()
+-	{
+-		echo "N/A"
+-	}
+-else
+-	download_file()
+-	{
+-		echo "ERROR: Could neither find wget nor fetch. Unable to download file!" >&2
+-		return 1
+-	}
+-	get_download_size()
+-	{
+-		echo "N/A"
+-	}
+-fi
++download_file()
++{
++	curl --cacert /etc/ssl/certs/ca-bundle.crt -o "$1" "$2"
++}
++get_download_size()
++{
++	echo "N/A"
++}
+
+ # Use shasum instead of sha256sum on MacOS / *BSD
+ if ! command -v sha256sum >/dev/null 2>&1 && command -v shasum >/dev/null 2>&1; then
diff --git a/pkgs/tools/misc/pipelight/pipelight.patch b/pkgs/tools/misc/pipelight/pipelight.patch
new file mode 100644
index 000000000000..84f1b137b72b
--- /dev/null
+++ b/pkgs/tools/misc/pipelight/pipelight.patch
@@ -0,0 +1,149 @@
+diff -urN pipelight.old/bin/pipelight-plugin.in pipelight.new/bin/pipelight-plugin.in
+--- pipelight.old/bin/pipelight-plugin.in	2014-07-19 22:53:02.000000000 +0200
++++ pipelight.new/bin/pipelight-plugin.in	2014-07-27 00:02:39.275834030 +0200
+@@ -92,7 +92,7 @@
+	PLUGIN_PATH=$(realpath "$PLUGIN_PATH")
+
+	# Global installation
+-	if [ $(/usr/bin/id -u) -eq 0 ]; then
++	if [ $(id -u) -eq 0 ]; then
+		INSTALLDIR="$PLUGIN_PATH"
+
+	# Use environment variable (only if it doesn't point to the global directory)
+@@ -594,7 +594,7 @@
+	fi
+
+	# Ensure the signature is valid, extract the content
+-	if ! @@GPG@@ --batch --no-default-keyring --keyring "$PIPELIGHT_SHARE_PATH/sig-install-dependency.gpg" --decrypt "$tmpfile" > "$decfile"; then
++	if ! @@GPG@@ --homedir /tmp --batch --no-default-keyring --keyring "$PIPELIGHT_SHARE_PATH/sig-install-dependency.gpg" --decrypt "$tmpfile" > "$decfile"; then
+		rm "$tmpfile"
+		rm "$decfile"
+		echo ""
+@@ -630,24 +630,10 @@
+	return 0
+ }
+
+-# Use fetch on FreeBSD if wget is not available
+-if command -v wget >/dev/null 2>&1; then
+-	download_file()
+-	{
+-		wget -O "$1" "$2"
+-	}
+-elif command -v fetch >/dev/null 2>&1; then
+-	download_file()
+-	{
+-		fetch -o "$1" "$2"
+-	}
+-else
+-	download_file()
+-	{
+-		echo "ERROR: Could neither find wget nor fetch. Unable to download file!" >&2
+-		return 1
+-	}
+-fi
++download_file()
++{
++	curl --cacert /etc/ssl/certs/ca-bundle.crt -o "$1" "$2"
++}
+
+ # Use shasum instead of sha256sum on MacOS / *BSD
+ if ! command -v sha256sum >/dev/null 2>&1 && command -v shasum >/dev/null 2>&1; then
+diff -urN pipelight.old/configure pipelight.new/configure
+--- pipelight.old/configure	2014-07-19 22:53:02.000000000 +0200
++++ pipelight.new/configure	2014-07-26 23:52:13.690881447 +0200
+@@ -66,12 +66,8 @@
+ datadir=""
+ libdir=""
+ mandir=""
+-bash_interp="$(which bash)"
+-if which gpg &> /dev/null; then
+-	gpg_exec="$(which gpg)"
+-else
+-	gpg_exec="/usr/bin/gpg"
+-fi
++bash_interp=bash
++gpg_exec=gpg2
+ moz_plugin_path=""
+ gcc_runtime_dlls=""
+ so_mode="0644"
+diff -urN pipelight.old/Makefile pipelight.new/Makefile
+--- pipelight.old/Makefile	2014-07-19 22:53:02.000000000 +0200
++++ pipelight.new/Makefile	2014-07-26 23:25:22.020707765 +0200
+@@ -29,7 +29,7 @@
+			-e 's|@@BINDIR@@|$(bindir)|g' \
+			-e 's|@@DATADIR@@|$(datadir)|g' \
+			-e 's|@@GCC_RUNTIME_DLLS@@|$(gcc_runtime_dlls)|g' \
+-			-e 's|@@GPG@@|$(gpgexec)|g' \
++			-e 's|@@GPG@@|$(gpg_exec)|g' \
+			-e 's|@@LIBDIR@@|$(libdir)|g' \
+			-e 's|@@MANDIR@@|$(mandir)|g' \
+			-e 's|@@MOZ_PLUGIN_PATH@@|$(moz_plugin_path)|g' \
+@@ -69,12 +69,12 @@
+
+ .PHONY: prebuilt32
+ prebuilt32: config.make pluginloader-$(git_commit).tar.gz pluginloader-$(git_commit).tar.gz.sig
+-	$(gpgexec) --batch --no-default-keyring --keyring "share/sig-pluginloader.gpg" --verify "pluginloader-$(git_commit).tar.gz.sig"
++	$(gpg_exec) --batch --no-default-keyring --keyring "share/sig-pluginloader.gpg" --verify "pluginloader-$(git_commit).tar.gz.sig"
+	tar -xvf "pluginloader-$(git_commit).tar.gz" src/windows/pluginloader.exe src/winecheck/winecheck.exe
+
+ .PHONY: prebuilt64
+ prebuilt64: config.make pluginloader-$(git_commit).tar.gz pluginloader-$(git_commit).tar.gz.sig
+-	$(gpgexec) --batch --no-default-keyring --keyring "share/sig-pluginloader.gpg" --verify "pluginloader-$(git_commit).tar.gz.sig"
++	$(gpg_exec) --batch --no-default-keyring --keyring "share/sig-pluginloader.gpg" --verify "pluginloader-$(git_commit).tar.gz.sig"
+	tar -xvf "pluginloader-$(git_commit).tar.gz" src/windows/pluginloader64.exe src/winecheck/winecheck64.exe
+
+ .PHONY: pluginloader32
+diff -urN pipelight.old/share/install-dependency pipelight.new/share/install-dependency
+--- pipelight.old/share/install-dependency	2014-07-19 22:53:02.000000000 +0200
++++ pipelight.new/share/install-dependency	2014-07-26 23:26:18.431938546 +0200
+@@ -734,42 +734,14 @@
+	return 0
+ }
+
+-# Use fetch on FreeBSD if wget is not available
+-if command -v wget >/dev/null 2>&1; then
+-	download_file()
+-	{
+-		wget -O "$1" "$2"
+-	}
+-	get_download_size()
+-	{
+-		local filesize="$(wget -O- "$1" --spider --server-response 2>&1 | sed -ne '/Content-Length/{s/.*: //;p}')"
+-		local re='^[0-9]+$'
+-		if [[ "$filesize" -ne "0" ]] && [[ "$filesize" =~ $re ]]; then
+-			echo "$(($filesize/(1024*1024)))"
+-		else
+-			echo "N/A"
+-		fi
+-	}
+-elif command -v fetch >/dev/null 2>&1; then
+-	download_file()
+-	{
+-		fetch -o "$1" "$2"
+-	}
+-	get_download_size()
+-	{
+-		echo "N/A"
+-	}
+-else
+-	download_file()
+-	{
+-		echo "ERROR: Could neither find wget nor fetch. Unable to download file!" >&2
+-		return 1
+-	}
+-	get_download_size()
+-	{
+-		echo "N/A"
+-	}
+-fi
++download_file()
++{
++	curl --cacert /etc/ssl/certs/ca-bundle.crt -o "$1" "$2"
++}
++get_download_size()
++{
++	echo "N/A"
++}
+
+ # Use shasum instead of sha256sum on MacOS / *BSD
+ if ! command -v sha256sum >/dev/null 2>&1 && command -v shasum >/dev/null 2>&1; then
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 17b7838f2086..d79d1369dd19 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6328,6 +6328,8 @@ let
 
   physfs = callPackage ../development/libraries/physfs { };
 
+  pipelight = callPackage ../tools/misc/pipelight { };
+
   pkcs11helper = callPackage ../development/libraries/pkcs11helper { };
 
   plib = callPackage ../development/libraries/plib { };
diff --git a/pkgs/top-level/all-packages.nix.orig b/pkgs/top-level/all-packages.nix.orig
new file mode 100644
index 000000000000..47c1a48bb14b
--- /dev/null
+++ b/pkgs/top-level/all-packages.nix.orig
@@ -0,0 +1,12309 @@
+/* This file composes the Nix Packages collection.  That is, it
+   imports the functions that build the various packages, and calls
+   them with appropriate arguments.  The result is a set of all the
+   packages in the Nix Packages collection for some particular
+   platform. */
+
+
+{ # The system (e.g., `i686-linux') for which to build the packages.
+  system ? builtins.currentSystem
+
+, # The standard environment to use.  Only used for bootstrapping.  If
+  # null, the default standard environment is used.
+  bootStdenv ? null
+
+, # Non-GNU/Linux OSes are currently "impure" platforms, with their libc
+  # outside of the store.  Thus, GCC, GFortran, & co. must always look for
+  # files in standard system directories (/usr/include, etc.)
+  noSysDirs ? (system != "x86_64-darwin"
+               && system != "x86_64-freebsd" && system != "i686-freebsd"
+               && system != "x86_64-kfreebsd-gnu")
+
+  # More flags for the bootstrapping of stdenv.
+, gccWithCC ? true
+, gccWithProfiling ? true
+
+, # Allow a configuration attribute set to be passed in as an
+  # argument.  Otherwise, it's read from $NIXPKGS_CONFIG or
+  # ~/.nixpkgs/config.nix.
+  config ? null
+
+, crossSystem ? null
+, platform ? null
+}:
+
+
+let config_ = config; platform_ = platform; in # rename the function arguments
+
+let
+
+  lib = import ../../lib;
+
+  # The contents of the configuration file found at $NIXPKGS_CONFIG or
+  # $HOME/.nixpkgs/config.nix.
+  # for NIXOS (nixos-rebuild): use nixpkgs.config option
+  config =
+    let
+      toPath = builtins.toPath;
+      getEnv = x: if builtins ? getEnv then builtins.getEnv x else "";
+      pathExists = name:
+        builtins ? pathExists && builtins.pathExists (toPath name);
+
+      configFile = getEnv "NIXPKGS_CONFIG";
+      homeDir = getEnv "HOME";
+      configFile2 = homeDir + "/.nixpkgs/config.nix";
+
+      configExpr =
+        if config_ != null then config_
+        else if configFile != "" && pathExists configFile then import (toPath configFile)
+        else if homeDir != "" && pathExists configFile2 then import (toPath configFile2)
+        else {};
+
+    in
+      # allow both:
+      # { /* the config */ } and
+      # { pkgs, ... } : { /* the config */ }
+      if builtins.isFunction configExpr
+        then configExpr { inherit pkgs; }
+        else configExpr;
+
+  # Allow setting the platform in the config file. Otherwise, let's use a reasonable default (pc)
+
+  platformAuto = let
+      platforms = (import ./platforms.nix);
+    in
+      if system == "armv6l-linux" then platforms.raspberrypi
+      else if system == "armv5tel-linux" then platforms.sheevaplug
+      else if system == "mips64el-linux" then platforms.fuloong2f_n32
+      else if system == "x86_64-linux" then platforms.pc64
+      else if system == "i686-linux" then platforms.pc32
+      else platforms.pcBase;
+
+  platform = if platform_ != null then platform_
+    else config.platform or platformAuto;
+
+  # Helper functions that are exported through `pkgs'.
+  helperFunctions =
+    stdenvAdapters //
+    (import ../build-support/trivial-builders.nix { inherit (pkgs) stdenv; inherit (pkgs.xorg) lndir; });
+
+  stdenvAdapters =
+    import ../stdenv/adapters.nix pkgs;
+
+
+  # Allow packages to be overriden globally via the `packageOverrides'
+  # configuration option, which must be a function that takes `pkgs'
+  # as an argument and returns a set of new or overriden packages.
+  # The `packageOverrides' function is called with the *original*
+  # (un-overriden) set of packages, allowing packageOverrides
+  # attributes to refer to the original attributes (e.g. "foo =
+  # ... pkgs.foo ...").
+  pkgs = applyGlobalOverrides (config.packageOverrides or (pkgs: {}));
+
+
+  # Return the complete set of packages, after applying the overrides
+  # returned by the `overrider' function (see above).  Warning: this
+  # function is very expensive!
+  applyGlobalOverrides = overrider:
+    let
+      # Call the overrider function.  We don't want stdenv overrides
+      # in the case of cross-building, or otherwise the basic
+      # overrided packages will not be built with the crossStdenv
+      # adapter.
+      overrides = overrider pkgsOrig //
+        (lib.optionalAttrs (pkgsOrig.stdenv ? overrides && crossSystem == null) (pkgsOrig.stdenv.overrides pkgsOrig));
+
+      # The un-overriden packages, passed to `overrider'.
+      pkgsOrig = pkgsFun pkgs {};
+
+      # The overriden, final packages.
+      pkgs = pkgsFun pkgs overrides;
+    in pkgs;
+
+
+  # The package compositions.  Yes, this isn't properly indented.
+  pkgsFun = pkgs: overrides:
+    with helperFunctions;
+    let defaultScope = pkgs // pkgs.xorg; self = self_ // overrides;
+    self_ = with self; helperFunctions // {
+
+  # Make some arguments passed to all-packages.nix available
+  inherit system platform;
+
+  # Allow callPackage to fill in the pkgs argument
+  inherit pkgs;
+
+
+  # We use `callPackage' to be able to omit function arguments that
+  # can be obtained from `pkgs' or `pkgs.xorg' (i.e. `defaultScope').
+  # Use `newScope' for sets of packages in `pkgs' (see e.g. `gnome'
+  # below).
+  callPackage = newScope {};
+
+  newScope = extra: lib.callPackageWith (defaultScope // extra);
+
+
+  # Override system. This is useful to build i686 packages on x86_64-linux.
+  forceSystem = system: kernel: (import ./all-packages.nix) {
+    inherit system;
+    platform = platform // { kernelArch = kernel; };
+    inherit bootStdenv noSysDirs gccWithCC gccWithProfiling config
+      crossSystem;
+  };
+
+
+  # Used by wine, firefox with debugging version of Flash, ...
+  pkgsi686Linux = forceSystem "i686-linux" "i386";
+
+  callPackage_i686 = lib.callPackageWith (pkgsi686Linux // pkgsi686Linux.xorg);
+
+
+  # For convenience, allow callers to get the path to Nixpkgs.
+  path = ../..;
+
+
+  ### Symbolic names.
+
+  x11 = xlibsWrapper;
+
+  # `xlibs' is the set of X library components.  This used to be the
+  # old modular X libraries project (called `xlibs') but now it's just
+  # the set of packages in the modular X.org tree (which also includes
+  # non-library components like the server, drivers, fonts, etc.).
+  xlibs = xorg // {xlibs = xlibsWrapper;};
+
+
+  ### Helper functions.
+
+  inherit lib config stdenvAdapters;
+
+  inherit (lib) lowPrio hiPrio appendToName makeOverridable;
+  inherit (misc) versionedDerivation;
+
+  # Applying this to an attribute set will cause nix-env to look
+  # inside the set for derivations.
+  recurseIntoAttrs = attrs: attrs // { recurseForDerivations = true; };
+
+  builderDefs = lib.composedArgsAndFun (import ../build-support/builder-defs/builder-defs.nix) {
+    inherit stringsWithDeps lib stdenv writeScript
+      fetchurl fetchmtn fetchgit;
+  };
+
+  builderDefsPackage = builderDefs.builderDefsPackage builderDefs;
+
+  stringsWithDeps = lib.stringsWithDeps;
+
+
+  ### Nixpkgs maintainer tools
+
+  nix-generate-from-cpan = callPackage ../../maintainers/scripts/nix-generate-from-cpan.nix { };
+
+  nixpkgs-lint = callPackage ../../maintainers/scripts/nixpkgs-lint.nix { };
+
+
+  ### STANDARD ENVIRONMENT
+
+
+  allStdenvs = import ../stdenv {
+    inherit system platform config;
+    allPackages = args: import ./all-packages.nix ({ inherit config system; } // args);
+  };
+
+  defaultStdenv = allStdenvs.stdenv // { inherit platform; };
+
+  stdenvCross = lowPrio (makeStdenvCross defaultStdenv crossSystem binutilsCross gccCrossStageFinal);
+
+  stdenv =
+    if bootStdenv != null then (bootStdenv // {inherit platform;}) else
+      if crossSystem != null then
+        stdenvCross
+      else
+        let
+            changer = config.replaceStdenv or null;
+        in if changer != null then
+          changer {
+            # We import again all-packages to avoid recursivities.
+            pkgs = import ./all-packages.nix {
+              # We remove packageOverrides to avoid recursivities
+              config = removeAttrs config [ "replaceStdenv" ];
+            };
+          }
+      else
+        defaultStdenv;
+
+  stdenvApple = stdenvAdapters.overrideGCC allStdenvs.stdenvNative gccApple;
+
+  forceNativeDrv = drv : if crossSystem == null then drv else
+    (drv // { crossDrv = drv.nativeDrv; });
+
+  # A stdenv capable of building 32-bit binaries.  On x86_64-linux,
+  # it uses GCC compiled with multilib support; on i686-linux, it's
+  # just the plain stdenv.
+  stdenv_32bit = lowPrio (
+    if system == "x86_64-linux" then
+      overrideGCC stdenv gcc48_multi
+    else
+      stdenv);
+
+
+  ### BUILD SUPPORT
+
+  attrSetToDir = arg: import ../build-support/upstream-updater/attrset-to-dir.nix {
+    inherit writeTextFile stdenv lib;
+    theAttrSet = arg;
+  };
+
+  autoreconfHook = makeSetupHook
+    { substitutions = { inherit autoconf automake libtool; }; }
+    ../build-support/setup-hooks/autoreconf.sh;
+
+  buildEnv = import ../build-support/buildenv {
+    inherit (pkgs) runCommand perl;
+  };
+
+  buildFHSChrootEnv = import ../build-support/build-fhs-chrootenv {
+    inherit buildEnv system;
+    inherit stdenv glibc glibc_multi glibcLocales;
+    inherit bashInteractive coreutils less shadow su;
+    inherit gawk gcc gcc_multi diffutils findutils gnused gnugrep;
+    inherit gnutar gzip bzip2 xz;
+
+    nixpkgs      = pkgs;
+    nixpkgs_i686 = pkgsi686Linux;
+  };
+
+  dotnetenv = import ../build-support/dotnetenv {
+    inherit stdenv;
+    dotnetfx = dotnetfx40;
+  };
+
+  scatterOutputHook = makeSetupHook {} ../build-support/setup-hooks/scatter_output.sh;
+
+  vsenv = callPackage ../build-support/vsenv {
+    vs = vs90wrapper;
+  };
+
+  fetchadc = import ../build-support/fetchadc {
+    inherit curl stdenv;
+    adc_user = if config ? adc_user
+      then config.adc_user
+      else throw "You need an adc_user attribute in your config to download files from Apple Developer Connection";
+    adc_pass = if config ? adc_pass
+      then config.adc_pass
+      else throw "You need an adc_pass attribute in your config to download files from Apple Developer Connection";
+  };
+
+  fetchbower = import ../build-support/fetchbower {
+    inherit stdenv git;
+    inherit (nodePackages) fetch-bower;
+  };
+
+  fetchbzr = import ../build-support/fetchbzr {
+    inherit stdenv bazaar;
+  };
+
+  fetchcvs = import ../build-support/fetchcvs {
+    inherit stdenv cvs;
+  };
+
+  fetchdarcs = import ../build-support/fetchdarcs {
+    inherit stdenv darcs nix;
+  };
+
+  fetchgit = import ../build-support/fetchgit {
+    inherit stdenv git cacert;
+  };
+
+  fetchgitPrivate = import ../build-support/fetchgit/private.nix {
+    inherit fetchgit writeScript openssh stdenv;
+  };
+
+  fetchgitrevision = import ../build-support/fetchgitrevision runCommand git;
+
+  fetchmtn = callPackage ../build-support/fetchmtn (config.fetchmtn or {});
+
+  packer = callPackage ../development/tools/packer { };
+
+  fetchpatch = callPackage ../build-support/fetchpatch { };
+
+  fetchsvn = import ../build-support/fetchsvn {
+    inherit stdenv subversion openssh;
+    sshSupport = true;
+  };
+
+  fetchsvnrevision = import ../build-support/fetchsvnrevision runCommand subversion;
+
+  fetchsvnssh = import ../build-support/fetchsvnssh {
+    inherit stdenv subversion openssh expect;
+    sshSupport = true;
+  };
+
+  fetchhg = import ../build-support/fetchhg {
+    inherit stdenv mercurial nix;
+  };
+
+  # `fetchurl' downloads a file from the network.
+  fetchurl = import ../build-support/fetchurl {
+    inherit curl stdenv;
+  };
+
+  # A wrapper around fetchurl that generates miror://gnome URLs automatically
+  fetchurlGnome = callPackage ../build-support/fetchurl/gnome.nix { };
+
+  # fetchurlBoot is used for curl and its dependencies in order to
+  # prevent a cyclic dependency (curl depends on curl.tar.bz2,
+  # curl.tar.bz2 depends on fetchurl, fetchurl depends on curl).  It
+  # uses the curl from the previous bootstrap phase (e.g. a statically
+  # linked curl in the case of stdenv-linux).
+  fetchurlBoot = stdenv.fetchurlBoot;
+
+  fetchzip = import ../build-support/fetchzip { inherit lib fetchurl unzip; };
+
+  fetchFromGitHub = { owner, repo, rev, sha256 }: fetchzip {
+    name = "${repo}-${rev}-src";
+    url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz";
+    inherit sha256;
+  };
+
+  resolveMirrorURLs = {url}: fetchurl {
+    showURLs = true;
+    inherit url;
+  };
+
+  libredirect = callPackage ../build-support/libredirect { };
+
+  makeDesktopItem = import ../build-support/make-desktopitem {
+    inherit stdenv;
+  };
+
+  makeAutostartItem = import ../build-support/make-startupitem {
+    inherit stdenv;
+    inherit lib;
+  };
+
+  makeInitrd = {contents, compressor ? "gzip -9"}:
+    import ../build-support/kernel/make-initrd.nix {
+      inherit stdenv perl perlArchiveCpio cpio contents ubootChooser compressor;
+    };
+
+  makeWrapper = makeSetupHook { } ../build-support/setup-hooks/make-wrapper.sh;
+
+  makeModulesClosure = { kernel, rootModules, allowMissing ? false }:
+    import ../build-support/kernel/modules-closure.nix {
+      inherit stdenv kmod kernel nukeReferences rootModules allowMissing;
+    };
+
+  pathsFromGraph = ../build-support/kernel/paths-from-graph.pl;
+
+  srcOnly = args: (import ../build-support/src-only) ({inherit stdenv; } // args);
+
+  substituteAll = import ../build-support/substitute/substitute-all.nix {
+    inherit stdenv;
+  };
+
+  replaceDependency = import ../build-support/replace-dependency.nix {
+    inherit runCommand nix lib;
+  };
+
+  nukeReferences = callPackage ../build-support/nuke-references/default.nix { };
+
+  vmTools = import ../build-support/vm/default.nix {
+    inherit pkgs;
+  };
+
+  releaseTools = import ../build-support/release/default.nix {
+    inherit pkgs;
+  };
+
+  composableDerivation = (import ../../lib/composable-derivation.nix) {
+    inherit pkgs lib;
+  };
+
+  platforms = import ./platforms.nix;
+
+  setJavaClassPath = makeSetupHook { } ../build-support/setup-hooks/set-java-classpath.sh;
+
+  fixDarwinDylibNames = makeSetupHook { } ../build-support/setup-hooks/fix-darwin-dylib-names.sh;
+
+  keepBuildTree = makeSetupHook { } ../build-support/setup-hooks/keep-build-tree.sh;
+
+  enableGCOVInstrumentation = makeSetupHook { } ../build-support/setup-hooks/enable-coverage-instrumentation.sh;
+
+  makeGCOVReport = makeSetupHook
+    { deps = [ pkgs.lcov pkgs.enableGCOVInstrumentation ]; }
+    ../build-support/setup-hooks/make-coverage-analysis-report.sh;
+
+  # intended to be used like nix-build -E 'with <nixpkgs> {}; enableDebugging fooPackage'
+  enableDebugging = pkg : pkg.override { stdenv = stdenvAdapters.keepDebugInfo pkg.stdenv; };
+
+  ### TOOLS
+
+  abduco = callPackage ../tools/misc/abduco { };
+
+  acct = callPackage ../tools/system/acct { };
+
+  acoustidFingerprinter = callPackage ../tools/audio/acoustid-fingerprinter {
+    ffmpeg = ffmpeg_1;
+  };
+
+  actdiag = pythonPackages.actdiag;
+
+  adom = callPackage ../games/adom { };
+
+  advancecomp = callPackage ../tools/compression/advancecomp {};
+
+  aefs = callPackage ../tools/filesystems/aefs { };
+
+  aegisub = callPackage ../applications/video/aegisub {
+    wxGTK = wxGTK30;
+  };
+
+  aespipe = callPackage ../tools/security/aespipe { };
+
+  aescrypt = callPackage ../tools/misc/aescrypt { };
+
+  ahcpd = callPackage ../tools/networking/ahcpd { };
+
+  aircrackng = callPackage ../tools/networking/aircrack-ng { };
+
+  airfield = callPackage ../tools/networking/airfield { };
+
+  analog = callPackage ../tools/admin/analog {};
+
+  apktool = callPackage ../development/tools/apktool {
+    buildTools = androidenv.buildTools;
+  };
+
+  apt-offline = callPackage ../tools/misc/apt-offline { };
+
+  apulse = callPackage ../misc/apulse { };
+
+  archivemount = callPackage ../tools/filesystems/archivemount { };
+
+  arandr = callPackage ../tools/X11/arandr { };
+
+  arcanist = callPackage ../development/tools/misc/arcanist {};
+
+  arduino_core = callPackage ../development/arduino/arduino-core {
+    jdk = jdk;
+    jre = jdk;
+  };
+
+  argyllcms = callPackage ../tools/graphics/argyllcms {};
+
+  arp-scan = callPackage ../tools/misc/arp-scan { };
+
+  ascii = callPackage ../tools/text/ascii { };
+
+  asymptote = builderDefsPackage ../tools/graphics/asymptote {
+    inherit freeglut ghostscriptX imagemagick fftw boehmgc
+      mesa ncurses readline gsl libsigsegv python zlib perl
+      texinfo xz;
+    texLive = texLiveAggregationFun {
+      paths = [ texLive texLiveExtra texLiveCMSuper ];
+    };
+  };
+
+  awscli = callPackage ../tools/admin/awscli { };
+
+  ec2_api_tools = callPackage ../tools/virtualization/ec2-api-tools { };
+
+  ec2_ami_tools = callPackage ../tools/virtualization/ec2-ami-tools { };
+
+  altermime = callPackage ../tools/networking/altermime {};
+
+  amule = callPackage ../tools/networking/p2p/amule { };
+
+  amuleDaemon = appendToName "daemon" (amule.override {
+    monolithic = false;
+    daemon = true;
+  });
+
+  amuleGui = appendToName "gui" (amule.override {
+    monolithic = false;
+    client = true;
+  });
+
+  androidenv = import ../development/mobile/androidenv {
+    inherit pkgs;
+    pkgs_i686 = pkgsi686Linux;
+  };
+
+  apg = callPackage ../tools/security/apg { };
+
+  grc = callPackage ../tools/misc/grc { };
+
+  otool = callPackage ../os-specific/darwin/otool { };
+
+  pass = callPackage ../tools/security/pass {
+    gnupg = gnupg1compat;
+  };
+
+  setfile = callPackage ../os-specific/darwin/setfile { };
+
+  install_name_tool = callPackage ../os-specific/darwin/install_name_tool { };
+
+  xcodeenv = callPackage ../development/mobile/xcodeenv { };
+
+  titaniumenv = callPackage ../development/mobile/titaniumenv {
+    inherit pkgs;
+    pkgs_i686 = pkgsi686Linux;
+  };
+
+  inherit (androidenv) androidsdk_4_4 androidndk;
+
+  aria2 = callPackage ../tools/networking/aria2 { };
+  aria = aria2;
+
+  at = callPackage ../tools/system/at { };
+
+  atftp = callPackage ../tools/networking/atftp {};
+
+  autogen = callPackage ../development/tools/misc/autogen { };
+
+  autojump = callPackage ../tools/misc/autojump { };
+
+  autorandr = callPackage ../tools/misc/autorandr {
+    inherit (xorg) xrandr xdpyinfo;
+  };
+
+  avahi = callPackage ../development/libraries/avahi {
+    qt4Support = config.avahi.qt4Support or false;
+  };
+
+  aws = callPackage ../tools/virtualization/aws { };
+
+  aws_mturk_clt = callPackage ../tools/misc/aws-mturk-clt { };
+
+  axel = callPackage ../tools/networking/axel { };
+
+  azureus = callPackage ../tools/networking/p2p/azureus { };
+
+  basex = callPackage ../tools/text/xml/basex { };
+
+  babeld = callPackage ../tools/networking/babeld { };
+
+  badvpn = callPackage ../tools/networking/badvpn {};
+
+  banner = callPackage ../games/banner {};
+
+  barcode = callPackage ../tools/graphics/barcode {};
+
+  bashmount = callPackage ../tools/filesystems/bashmount {};
+
+  bc = callPackage ../tools/misc/bc { };
+
+  bcache-tools = callPackage ../tools/filesystems/bcache-tools { };
+
+  bchunk = callPackage ../tools/cd-dvd/bchunk { };
+
+  bfr = callPackage ../tools/misc/bfr { };
+
+  bindfs = callPackage ../tools/filesystems/bindfs { };
+
+  binwalk = callPackage ../tools/misc/binwalk {
+    python = pythonFull;
+    wrapPython = pythonPackages.wrapPython;
+    curses = pythonPackages.curses;
+  };
+
+  binwalk-full = callPackage ../tools/misc/binwalk {
+    python = pythonFull;
+    wrapPython = pythonPackages.wrapPython;
+    curses = pythonPackages.curses;
+    visualizationSupport = true;
+    pyqtgraph = pythonPackages.pyqtgraph;
+  };
+
+  bitbucket-cli = pythonPackages.bitbucket-cli;
+
+  blockdiag = pythonPackages.blockdiag;
+
+  bmon = callPackage ../tools/misc/bmon { };
+
+  bochs = callPackage ../applications/virtualization/bochs { };
+
+  boomerang = callPackage ../development/tools/boomerang { };
+
+  boost-build = callPackage ../development/tools/boost-build { };
+
+  bootchart = callPackage ../tools/system/bootchart { };
+
+  bro = callPackage ../applications/networking/ids/bro { };
+
+  bsod = callPackage ../misc/emulators/bsod { };
+
+  btrfsProgs = callPackage ../tools/filesystems/btrfsprogs { };
+
+  bwm_ng = callPackage ../tools/networking/bwm-ng { };
+
+  byobu = callPackage ../tools/misc/byobu { };
+
+  capstone = callPackage ../development/libraries/capstone { };
+
+  catdoc = callPackage ../tools/text/catdoc { };
+
+  ccnet = callPackage ../tools/networking/ccnet { };
+
+  consul = callPackage ../servers/consul {
+    inherit ruby rubyLibs;
+  };
+
+  consul_ui = consul.ui;
+
+  corosync = callPackage ../servers/corosync { };
+
+  chntpw = callPackage ../tools/security/chntpw { };
+
+  coprthr = callPackage ../development/libraries/coprthr {
+    flex = flex_2_5_35;
+  };
+
+  crawl = callPackage ../games/crawl { lua = lua5; };
+
+  cv = callPackage ../tools/misc/cv { };
+
+  datamash = callPackage ../tools/misc/datamash { };
+
+  direnv = callPackage ../tools/misc/direnv { };
+
+  discount = callPackage ../tools/text/discount { };
+
+  ditaa = callPackage ../tools/graphics/ditaa { };
+
+  dlx = callPackage ../misc/emulators/dlx { };
+
+  eggdrop = callPackage ../tools/networking/eggdrop { };
+
+  enca = callPackage ../tools/text/enca { };
+
+  fasd = callPackage ../tools/misc/fasd {
+    inherit (haskellPackages) pandoc;
+  };
+
+  fop = callPackage ../tools/typesetting/fop { };
+
+  gist = callPackage ../tools/text/gist { };
+
+  mcrl = callPackage ../tools/misc/mcrl { };
+
+  mcrl2 = callPackage ../tools/misc/mcrl2 { };
+
+  mpdcron = callPackage ../tools/audio/mpdcron { };
+
+  syslogng = callPackage ../tools/system/syslog-ng { };
+
+  syslogng_incubator = callPackage ../tools/system/syslog-ng-incubator { };
+
+  rsyslog = callPackage ../tools/system/rsyslog { };
+
+  mcrypt = callPackage ../tools/misc/mcrypt { };
+
+  mstflint = callPackage ../tools/misc/mstflint { };
+
+  mcelog = callPackage ../os-specific/linux/mcelog { };
+
+  apparix = callPackage ../tools/misc/apparix { };
+
+  appdata-tools = callPackage ../tools/misc/appdata-tools { };
+
+  asciidoc = callPackage ../tools/typesetting/asciidoc {
+    inherit (pythonPackages) matplotlib numpy aafigure recursivePthLoader;
+    enableStandardFeatures = false;
+  };
+
+  asciidoc-full = appendToName "full" (asciidoc.override {
+    inherit (pythonPackages) pygments;
+    enableStandardFeatures = true;
+  });
+
+  autossh = callPackage ../tools/networking/autossh { };
+
+  bacula = callPackage ../tools/backup/bacula { };
+
+  beanstalkd = callPackage ../servers/beanstalkd { };
+
+  bgs = callPackage ../tools/X11/bgs { };
+
+  biber = callPackage ../tools/typesetting/biber {
+    inherit (perlPackages)
+      autovivification BusinessISBN BusinessISMN BusinessISSN ConfigAutoConf
+      DataCompare DataDump DateSimple EncodeEUCJPASCII EncodeHanExtra EncodeJIS2K
+      ExtUtilsLibBuilder FileSlurp IPCRun3 Log4Perl LWPProtocolHttps ListAllUtils
+      ListMoreUtils ModuleBuild MozillaCA ReadonlyXS RegexpCommon TextBibTeX
+      UnicodeCollate UnicodeLineBreak URI XMLLibXMLSimple XMLLibXSLT XMLWriter;
+  };
+
+  bibtextools = callPackage ../tools/typesetting/bibtex-tools {
+    inherit (strategoPackages016) strategoxt sdf;
+  };
+
+  bittornado = callPackage ../tools/networking/p2p/bit-tornado { };
+
+  blueman = callPackage ../tools/bluetooth/blueman {
+    inherit (pythonPackages) notify;
+  };
+
+  bmrsa = builderDefsPackage (import ../tools/security/bmrsa/11.nix) {
+    inherit unzip;
+  };
+
+  bogofilter = callPackage ../tools/misc/bogofilter { };
+
+  bsdiff = callPackage ../tools/compression/bsdiff { };
+
+  btar = callPackage ../tools/backup/btar { };
+
+  bud = callPackage ../tools/networking/bud {
+    inherit (pythonPackages) gyp;
+  };
+
+  bup = callPackage ../tools/backup/bup {
+    inherit (pythonPackages) pyxattr pylibacl setuptools fuse;
+    inherit (haskellPackages) pandoc;
+    par2Support = (config.bup.par2Support or false);
+  };
+
+  ori = callPackage ../tools/backup/ori { };
+
+  atool = callPackage ../tools/archivers/atool { };
+
+  bzip2 = callPackage ../tools/compression/bzip2 { };
+
+  cabextract = callPackage ../tools/archivers/cabextract { };
+
+  cadaver = callPackage ../tools/networking/cadaver { };
+
+  cantata = callPackage ../applications/audio/cantata { };
+
+  can-utils = callPackage ../os-specific/linux/can-utils { };
+
+  ccid = callPackage ../tools/security/ccid { };
+
+  ccrypt = callPackage ../tools/security/ccrypt { };
+
+  cdecl = callPackage ../development/tools/cdecl { };
+
+  cdrdao = callPackage ../tools/cd-dvd/cdrdao { };
+
+  cdrkit = callPackage ../tools/cd-dvd/cdrkit { };
+
+  ceph = callPackage ../tools/filesystems/ceph {
+    zfs = linuxPackages.zfs;
+  };
+
+  cfdg = builderDefsPackage ../tools/graphics/cfdg {
+    inherit libpng bison flex ffmpeg;
+  };
+
+  checkinstall = callPackage ../tools/package-management/checkinstall { };
+
+  cheetahTemplate = builderDefsPackage (import ../tools/text/cheetah-template/2.0.1.nix) {
+    inherit makeWrapper python;
+  };
+
+  chkrootkit = callPackage ../tools/security/chkrootkit { };
+
+  chocolateDoom = callPackage ../games/chocolate-doom { };
+  # master is here because chocolateDoom v2.0 has broken netplay
+  chocolateDoomMaster = callPackage ../games/chocolate-doom/master.nix { };
+
+  chrony = callPackage ../tools/networking/chrony { };
+
+  chunkfs = callPackage ../tools/filesystems/chunkfs { };
+
+  chunksync = callPackage ../tools/backup/chunksync { };
+
+  cjdns = callPackage ../tools/networking/cjdns { };
+
+  cksfv = callPackage ../tools/networking/cksfv { };
+
+  clementine = callPackage ../applications/audio/clementine { };
+
+  ciopfs = callPackage ../tools/filesystems/ciopfs { };
+
+  cmst = callPackage ../tools/networking/cmst { };
+
+  colord = callPackage ../tools/misc/colord { };
+
+  colord-gtk = callPackage ../tools/misc/colord-gtk { };
+
+  colordiff = callPackage ../tools/text/colordiff { };
+
+  concurrencykit = callPackage ../development/libraries/concurrencykit { };
+
+  connect = callPackage ../tools/networking/connect { };
+
+  conspy = callPackage ../os-specific/linux/conspy {};
+
+  connman = callPackage ../tools/networking/connman { };
+
+  connmanui = callPackage ../tools/networking/connmanui { };
+
+  convertlit = callPackage ../tools/text/convertlit { };
+
+  collectd = callPackage ../tools/system/collectd { };
+
+  colormake = callPackage ../development/tools/build-managers/colormake { };
+
+  cowsay = callPackage ../tools/misc/cowsay { };
+
+  cpuminer = callPackage ../tools/misc/cpuminer { };
+
+  cpuminer-multi = callPackage ../tools/misc/cpuminer-multi { };
+
+  cuetools = callPackage ../tools/cd-dvd/cuetools { };
+
+  unifdef = callPackage ../development/tools/misc/unifdef { };
+
+  "unionfs-fuse" = callPackage ../tools/filesystems/unionfs-fuse { };
+
+  usb_modeswitch = callPackage ../development/tools/misc/usb-modeswitch { };
+
+  anthy = callPackage ../tools/inputmethods/anthy { };
+
+  biosdevname = callPackage ../tools/networking/biosdevname { };
+
+  clamav = callPackage ../tools/security/clamav { };
+
+  cloc = callPackage ../tools/misc/cloc {
+    inherit (perlPackages) perl AlgorithmDiff RegexpCommon;
+  };
+
+  cloog = callPackage ../development/libraries/cloog { };
+
+  cloogppl = callPackage ../development/libraries/cloog-ppl { };
+
+  convmv = callPackage ../tools/misc/convmv { };
+
+  cool-old-term = callPackage ../applications/misc/cool-old-term { };
+
+  coreutils = callPackage ../tools/misc/coreutils
+    {
+      # TODO: Add ACL support for cross-Linux.
+      aclSupport = crossSystem == null && stdenv.isLinux;
+    };
+
+  cpio = callPackage ../tools/archivers/cpio { };
+
+  cromfs = callPackage ../tools/archivers/cromfs { };
+
+  cron = callPackage ../tools/system/cron { };
+
+  cudatoolkit5 = callPackage ../development/compilers/cudatoolkit/5.5.nix {
+    python = python26;
+  };
+
+  cudatoolkit6 = callPackage ../development/compilers/cudatoolkit/6.0.nix {
+    python = python26;
+  };
+
+  cudatoolkit = cudatoolkit5;
+
+  curl = callPackage ../tools/networking/curl rec {
+    fetchurl = fetchurlBoot;
+    zlibSupport = true;
+    sslSupport = zlibSupport;
+    scpSupport = zlibSupport && !stdenv.isSunOS && !stdenv.isCygwin;
+  };
+
+  curl3 = callPackage ../tools/networking/curl/7.15.nix rec {
+    zlibSupport = true;
+    sslSupport = zlibSupport;
+  };
+
+  curl_unix_socket = callPackage ../tools/networking/curl-unix-socket rec { };
+
+  cunit = callPackage ../tools/misc/cunit { };
+
+  curlftpfs = callPackage ../tools/filesystems/curlftpfs { };
+
+  cutter = callPackage ../tools/networking/cutter { };
+
+  dadadodo = callPackage ../tools/text/dadadodo { };
+
+  daq = callPackage ../applications/networking/ids/daq { };
+
+  dar = callPackage ../tools/archivers/dar { };
+
+  davfs2 = callPackage ../tools/filesystems/davfs2 { };
+
+  dbench = callPackage ../development/tools/misc/dbench { };
+
+  dcraw = callPackage ../tools/graphics/dcraw { };
+
+  dcfldd = callPackage ../tools/system/dcfldd { };
+
+  debian_devscripts = callPackage ../tools/misc/debian-devscripts {
+    inherit (perlPackages) CryptSSLeay LWP TimeDate DBFile FileDesktopEntry;
+  };
+
+  debootstrap = callPackage ../tools/misc/debootstrap { };
+
+  detox = callPackage ../tools/misc/detox { };
+
+  ddclient = callPackage ../tools/networking/ddclient { };
+
+  dd_rescue = callPackage ../tools/system/dd_rescue { };
+
+  ddrescue = callPackage ../tools/system/ddrescue { };
+
+  deluge = pythonPackages.deluge;
+
+  desktop_file_utils = callPackage ../tools/misc/desktop-file-utils { };
+
+  despotify = callPackage ../development/libraries/despotify { };
+
+  dfc  = callPackage ../tools/system/dfc { };
+
+  dev86 = callPackage ../development/compilers/dev86 { };
+
+  dnsmasq = callPackage ../tools/networking/dnsmasq { };
+
+  dnstop = callPackage ../tools/networking/dnstop { };
+
+  dhcp = callPackage ../tools/networking/dhcp { };
+
+  dhcpcd = callPackage ../tools/networking/dhcpcd { };
+
+  di = callPackage ../tools/system/di { };
+
+  diffstat = callPackage ../tools/text/diffstat { };
+
+  diffutils = callPackage ../tools/text/diffutils { };
+
+  wgetpaste = callPackage ../tools/text/wgetpaste { };
+
+  dirmngr = callPackage ../tools/security/dirmngr { };
+
+  disper = callPackage ../tools/misc/disper { };
+
+  dmd = callPackage ../development/compilers/dmd { };
+
+  dmg2img = callPackage ../tools/misc/dmg2img { };
+
+  docbook2odf = callPackage ../tools/typesetting/docbook2odf {
+    inherit (perlPackages) PerlMagick;
+  };
+
+  docbook2x = callPackage ../tools/typesetting/docbook2x {
+    inherit (perlPackages) XMLSAX XMLParser XMLNamespaceSupport;
+  };
+
+  dog = callPackage ../tools/system/dog { };
+
+  dosfstools = callPackage ../tools/filesystems/dosfstools { };
+
+  dotnetfx35 = callPackage ../development/libraries/dotnetfx35 { };
+
+  dotnetfx40 = callPackage ../development/libraries/dotnetfx40 { };
+
+  dolphinEmu = callPackage ../misc/emulators/dolphin-emu { };
+  dolphinEmuMaster = callPackage ../misc/emulators/dolphin-emu/master.nix { };
+
+  dropbear = callPackage ../tools/networking/dropbear { };
+
+  dtach = callPackage ../tools/misc/dtach { };
+
+  duo-unix = callPackage ../tools/security/duo-unix { };
+
+  duplicity = callPackage ../tools/backup/duplicity {
+    inherit (pythonPackages) boto lockfile;
+    gnupg = gnupg1;
+  };
+
+  duply = callPackage ../tools/backup/duply { };
+
+  dvdisaster = callPackage ../tools/cd-dvd/dvdisaster { };
+
+  dvdplusrwtools = callPackage ../tools/cd-dvd/dvd+rw-tools { };
+
+  dvgrab = callPackage ../tools/video/dvgrab { };
+
+  dvtm = callPackage ../tools/misc/dvtm { };
+
+  e2fsprogs = callPackage ../tools/filesystems/e2fsprogs { };
+
+  easyrsa = callPackage ../tools/networking/easyrsa { };
+
+  ebook_tools = callPackage ../tools/text/ebook-tools { };
+
+  ecryptfs = callPackage ../tools/security/ecryptfs { };
+
+  editres = callPackage ../tools/graphics/editres {
+    inherit (xlibs) libXt libXaw;
+    inherit (xorg) utilmacros;
+  };
+
+  edk2 = callPackage ../development/compilers/edk2 { };
+
+  emscripten = callPackage ../development/compilers/emscripten { };
+
+  emscriptenfastcomp = callPackage ../development/compilers/emscripten-fastcomp { };
+
+  efibootmgr = callPackage ../tools/system/efibootmgr { };
+
+  efivar = callPackage ../tools/system/efivar { };
+
+  evemu = callPackage ../tools/system/evemu { };
+
+  elasticsearch = callPackage ../servers/search/elasticsearch { };
+
+  elasticsearchPlugins = recurseIntoAttrs (
+    callPackage ../servers/search/elasticsearch/plugins.nix { }
+  );
+
+  emv = callPackage ../tools/misc/emv { };
+
+  enblendenfuse = callPackage ../tools/graphics/enblend-enfuse { };
+
+  encfs = callPackage ../tools/filesystems/encfs { };
+
+  enscript = callPackage ../tools/text/enscript { };
+
+  ethtool = callPackage ../tools/misc/ethtool { };
+
+  eternity = callPackage ../games/eternity-engine { };
+
+  ettercap = callPackage ../applications/networking/sniffers/ettercap { };
+
+  euca2ools = callPackage ../tools/virtualization/euca2ools { pythonPackages = python26Packages; };
+
+  evtest = callPackage ../applications/misc/evtest { };
+
+  exempi = callPackage ../development/libraries/exempi { };
+
+  execline = callPackage ../tools/misc/execline { };
+
+  exercism = callPackage ../development/tools/exercism { };
+
+  exif = callPackage ../tools/graphics/exif { };
+
+  exiftags = callPackage ../tools/graphics/exiftags { };
+
+  extundelete = callPackage ../tools/filesystems/extundelete { };
+
+  expect = callPackage ../tools/misc/expect { };
+
+  f2fs-tools = callPackage ../tools/filesystems/f2fs-tools { };
+
+  fabric = pythonPackages.fabric;
+
+  fail2ban = callPackage ../tools/security/fail2ban {
+    systemd = systemd.override {
+      pythonSupport = true;
+    };
+  };
+
+  fakeroot = callPackage ../tools/system/fakeroot { };
+
+  fakechroot = callPackage ../tools/system/fakechroot { };
+
+  fcitx = callPackage ../tools/inputmethods/fcitx { };
+
+  fcitx-anthy = callPackage ../tools/inputmethods/fcitx/fcitx-anthy.nix { };
+
+  fcron = callPackage ../tools/system/fcron { };
+
+  fdm = callPackage ../tools/networking/fdm {};
+
+  figlet = callPackage ../tools/misc/figlet { };
+
+  file = callPackage ../tools/misc/file { };
+
+  filegive = callPackage ../tools/networking/filegive { };
+
+  fileschanged = callPackage ../tools/misc/fileschanged { };
+
+  findutils = callPackage ../tools/misc/findutils { };
+
+  finger_bsd = callPackage ../tools/networking/bsd-finger { };
+
+  fio = callPackage ../tools/system/fio { };
+
+  flashtool = callPackage_i686 ../development/mobile/flashtool {
+    platformTools = androidenv.platformTools;
+  };
+
+  flashrom = callPackage ../tools/misc/flashrom { };
+
+  flpsed = callPackage ../applications/editors/flpsed { };
+
+  flvstreamer = callPackage ../tools/networking/flvstreamer { };
+
+  libbsd = callPackage ../development/libraries/libbsd { };
+
+  lprof = callPackage ../tools/graphics/lprof { };
+
+  fdk_aac = callPackage ../development/libraries/fdk-aac { };
+
+  flvtool2 = callPackage ../tools/video/flvtool2 { };
+
+  fontforge = lowPrio (callPackage ../tools/misc/fontforge { });
+
+  fontforgeX = callPackage ../tools/misc/fontforge {
+    withX11 = true;
+  };
+
+  forktty = callPackage ../os-specific/linux/forktty {};
+
+  fortune = callPackage ../tools/misc/fortune { };
+
+  fox = callPackage ../development/libraries/fox/default.nix {
+    libpng = libpng12;
+  };
+
+  fox_1_6 = callPackage ../development/libraries/fox/fox-1.6.nix { };
+
+  fping = callPackage ../tools/networking/fping {};
+
+  fprot = callPackage ../tools/security/fprot { };
+
+  freeipmi = callPackage ../tools/system/freeipmi {};
+
+  freetalk = callPackage ../applications/networking/instant-messengers/freetalk {
+    automake = automake114x;
+  };
+
+  freetds = callPackage ../development/libraries/freetds { };
+
+  ftgl = callPackage ../development/libraries/ftgl { };
+
+  ftgl212 = callPackage ../development/libraries/ftgl/2.1.2.nix { };
+
+  fuppes = callPackage ../tools/networking/fuppes {
+    ffmpeg = ffmpeg_0_6_90;
+  };
+
+  fsfs = callPackage ../tools/filesystems/fsfs { };
+
+  fuse_zip = callPackage ../tools/filesystems/fuse-zip { };
+
+  fuse_exfat = callPackage ../tools/filesystems/fuse-exfat { };
+
+  dos2unix = callPackage ../tools/text/dos2unix { };
+
+  uni2ascii = callPackage ../tools/text/uni2ascii { };
+
+  g500-control = callPackage ../tools/misc/g500-control { };
+
+  galculator = callPackage ../applications/misc/galculator {
+    gtk = gtk3;
+  };
+
+  gawk = callPackage ../tools/text/gawk { };
+
+  gawkInteractive = appendToName "interactive"
+    (gawk.override { readlineSupport = true; });
+
+  gbdfed = callPackage ../tools/misc/gbdfed {
+    gtk = gtk2;
+  };
+
+  gdmap = callPackage ../tools/system/gdmap { };
+
+  genext2fs = callPackage ../tools/filesystems/genext2fs { };
+
+  gengetopt = callPackage ../development/tools/misc/gengetopt { };
+
+  getmail = callPackage ../tools/networking/getmail { };
+
+  getopt = callPackage ../tools/misc/getopt { };
+
+  gftp = callPackage ../tools/networking/gftp { };
+
+  gifsicle = callPackage ../tools/graphics/gifsicle { };
+
+  glusterfs = callPackage ../tools/filesystems/glusterfs { };
+
+  glmark2 = callPackage ../tools/graphics/glmark2 { };
+
+  glxinfo = callPackage ../tools/graphics/glxinfo { };
+
+  gmvault = callPackage ../tools/networking/gmvault { };
+
+  gnokii = builderDefsPackage (import ../tools/misc/gnokii) {
+    inherit intltool perl gettext libusb pkgconfig bluez readline pcsclite
+      libical gtk glib;
+    inherit (xorg) libXpm;
+  };
+
+  gnufdisk = callPackage ../tools/system/fdisk {
+    guile = guile_1_8;
+  };
+
+  gnugrep = callPackage ../tools/text/gnugrep {
+    libiconv = libiconvOrNull;
+  };
+
+  gnulib = callPackage ../development/tools/gnulib { };
+
+  gnupatch = callPackage ../tools/text/gnupatch { };
+
+  gnupg1orig = callPackage ../tools/security/gnupg1 { };
+
+  gnupg1compat = callPackage ../tools/security/gnupg1compat { };
+
+  # use config.packageOverrides if you prefer original gnupg1
+  gnupg1 = gnupg1compat;
+
+  gnupg = callPackage ../tools/security/gnupg { libusb = libusb1; };
+
+  gnuplot = callPackage ../tools/graphics/gnuplot { };
+
+  gnuplot_qt = gnuplot.override { withQt = true; };
+
+  # must have AquaTerm installed separately
+  gnuplot_aquaterm = gnuplot.override { aquaterm = true; };
+
+  gnused = callPackage ../tools/text/gnused { };
+
+  gnutar = callPackage ../tools/archivers/gnutar { };
+
+  gnuvd = callPackage ../tools/misc/gnuvd { };
+
+  goaccess = callPackage ../tools/misc/goaccess { };
+
+  googleAuthenticator = callPackage ../os-specific/linux/google-authenticator { };
+
+  gource = callPackage ../applications/version-management/gource {};
+
+  gparted = callPackage ../tools/misc/gparted { };
+
+  gpodder = callPackage ../applications/audio/gpodder { };
+
+  gptfdisk = callPackage ../tools/system/gptfdisk { };
+
+  grafana = callPackage ../development/tools/misc/grafana { };
+
+  grafx2 = callPackage ../applications/graphics/grafx2 {};
+
+  grails = callPackage ../development/web/grails {
+    jdkPath = "${openjdk}/lib/openjdk";
+  };
+
+  graphviz = callPackage ../tools/graphics/graphviz { };
+
+  /* Readded by Michael Raskin. There are programs in the wild
+   * that do want 2.0 but not 2.22. Please give a day's notice for
+   * objections before removal. The feature is integer coordinates
+   */
+  graphviz_2_0 = callPackage ../tools/graphics/graphviz/2.0.nix { };
+
+  /* Readded by Michael Raskin. There are programs in the wild
+   * that do want 2.32 but not 2.0 or 2.36. Please give a day's notice for
+   * objections before removal. The feature is libgraph.
+   */
+  graphviz_2_32 = callPackage ../tools/graphics/graphviz/2.32.nix { };
+
+  grive = callPackage ../tools/filesystems/grive {
+    json_c = json-c-0-11; # won't configure with 0.12; others are vulnerable
+  };
+
+  groff = callPackage ../tools/text/groff {
+    ghostscript = null;
+  };
+
+  grub = callPackage_i686 ../tools/misc/grub {
+    buggyBiosCDSupport = config.grub.buggyBiosCDSupport or true;
+  };
+
+  grub2 = callPackage ../tools/misc/grub/2.0x.nix { };
+
+  grub2_efi = grub2.override { efiSupport = true; };
+
+  grub2_zfs = grub2.override { zfsSupport = true; };
+
+  gsmartcontrol = callPackage ../tools/misc/gsmartcontrol {
+    inherit (gnome) libglademm;
+  };
+
+  gssdp = callPackage ../development/libraries/gssdp {
+    inherit (gnome) libsoup;
+  };
+
+  gt5 = callPackage ../tools/system/gt5 { };
+
+  gtest = callPackage ../development/libraries/gtest {};
+  gmock = callPackage ../development/libraries/gmock {};
+
+  gtkdatabox = callPackage ../development/libraries/gtkdatabox {};
+
+  gtkgnutella = callPackage ../tools/networking/p2p/gtk-gnutella { };
+
+  gtkvnc = callPackage ../tools/admin/gtk-vnc {};
+
+  gtmess = callPackage ../applications/networking/instant-messengers/gtmess { };
+
+  gummiboot = callPackage ../tools/misc/gummiboot { };
+
+  gupnp = callPackage ../development/libraries/gupnp {
+    inherit (gnome) libsoup;
+  };
+
+  gupnp_av = callPackage ../development/libraries/gupnp-av {};
+
+  gupnp_igd = callPackage ../development/libraries/gupnp-igd {};
+
+  gupnptools = callPackage ../tools/networking/gupnp-tools {};
+
+  gvpe = builderDefsPackage ../tools/networking/gvpe {
+    inherit openssl gmp nettools iproute zlib;
+  };
+
+  gvolicon = callPackage ../tools/audio/gvolicon {};
+
+  gzip = callPackage ../tools/compression/gzip { };
+
+  gzrt = callPackage ../tools/compression/gzrt { };
+
+  partclone = callPackage ../tools/backup/partclone { };
+
+  partimage = callPackage ../tools/backup/partimage { };
+
+  pigz = callPackage ../tools/compression/pigz { };
+
+  haproxy = callPackage ../tools/networking/haproxy { };
+
+  haveged = callPackage ../tools/security/haveged { };
+
+  hawkthorne = callPackage ../games/hawkthorne { love = love_0_9; };
+
+  hardlink = callPackage ../tools/system/hardlink { };
+
+  hashcat = callPackage ../tools/security/hashcat { };
+
+  halibut = callPackage ../tools/typesetting/halibut { };
+
+  hddtemp = callPackage ../tools/misc/hddtemp { };
+
+  hdf5 = callPackage ../tools/misc/hdf5 {
+    szip = null;
+    mpi = null;
+  };
+
+  hdf5-mpi = hdf5.override {
+    szip = null;
+    mpi = pkgs.openmpi;
+  };
+
+  heimdall = callPackage ../tools/misc/heimdall { };
+
+  hevea = callPackage ../tools/typesetting/hevea { };
+
+  highlight = callPackage ../tools/text/highlight {
+    lua = lua5;
+  };
+
+  host = callPackage ../tools/networking/host { };
+
+  hping = callPackage ../tools/networking/hping { };
+
+  httpie = callPackage ../tools/networking/httpie { };
+
+  httpfs2 = callPackage ../tools/filesystems/httpfs { };
+
+  httptunnel = callPackage ../tools/networking/httptunnel { };
+
+  # FIXME: This Hydra snapshot is outdated and depends on the `nixPerl',
+  # which no longer exists.
+  #
+  # hydra = callPackage ../development/tools/misc/hydra {
+  #   nix = nixUnstable;
+  # };
+
+  iasl = callPackage ../development/compilers/iasl { };
+
+  icecast = callPackage ../servers/icecast { };
+
+  icoutils = callPackage ../tools/graphics/icoutils { };
+
+  idutils = callPackage ../tools/misc/idutils { };
+
+  idle3tools = callPackage ../tools/system/idle3tools { };
+
+  iftop = callPackage ../tools/networking/iftop { };
+
+  ihaskell = callPackage ../development/tools/haskell/ihaskell/wrapper.nix {
+    inherit (pythonPackages) ipython;
+    inherit (haskellPackages) ihaskell ghc;
+  };
+
+  imapproxy = callPackage ../tools/networking/imapproxy { };
+
+  imapsync = callPackage ../tools/networking/imapsync {
+    inherit (perlPackages) MailIMAPClient;
+  };
+
+  inadyn = callPackage ../tools/networking/inadyn { };
+
+  inetutils = callPackage ../tools/networking/inetutils { };
+
+  ioping = callPackage ../tools/system/ioping {};
+
+  iodine = callPackage ../tools/networking/iodine { };
+
+  iperf2 = callPackage ../tools/networking/iperf/2.nix { };
+  iperf3 = callPackage ../tools/networking/iperf/3.nix { };
+  iperf = iperf3;
+
+  ipmitool = callPackage ../tools/system/ipmitool {
+    static = false;
+  };
+
+  ipmiutil = callPackage ../tools/system/ipmiutil {};
+
+  ised = callPackage ../tools/misc/ised {};
+
+  isl = callPackage ../development/libraries/isl { };
+  isl_0_12 = callPackage ../development/libraries/isl/0.12.2.nix { };
+
+  isync = callPackage ../tools/networking/isync { };
+
+  jd-gui = callPackage_i686 ../tools/security/jd-gui { };
+
+  jdiskreport = callPackage ../tools/misc/jdiskreport { };
+
+  jfsrec = callPackage ../tools/filesystems/jfsrec {
+    boost = boost144;
+  };
+
+  jfsutils = callPackage ../tools/filesystems/jfsutils { };
+
+  jhead = callPackage ../tools/graphics/jhead { };
+
+  jing = callPackage ../tools/text/xml/jing { };
+
+  jmtpfs = callPackage ../tools/filesystems/jmtpfs { };
+
+  jnettop = callPackage ../tools/networking/jnettop { };
+
+  john = callPackage ../tools/security/john { };
+
+  jq = callPackage ../development/tools/jq {};
+
+  jscoverage = callPackage ../development/tools/misc/jscoverage { };
+
+  jwhois = callPackage ../tools/networking/jwhois { };
+
+  kazam = callPackage ../applications/video/kazam { };
+
+  kalibrate-rtl = callPackage ../tools/misc/kalibrate-rtl { };
+
+  kexectools = callPackage ../os-specific/linux/kexectools { };
+
+  keychain = callPackage ../tools/misc/keychain { };
+
+  kibana = callPackage ../development/tools/misc/kibana { };
+
+  kismet = callPackage ../applications/networking/sniffers/kismet { };
+
+  less = callPackage ../tools/misc/less { };
+
+  lockfileProgs = callPackage ../tools/misc/lockfile-progs { };
+
+  logstash = callPackage ../tools/misc/logstash { };
+
+  logstash-contrib = callPackage ../tools/misc/logstash/contrib.nix { };
+
+  logstash-forwarder = callPackage ../tools/misc/logstash-forwarder { };
+
+  kippo = callPackage ../servers/kippo { };
+
+  klavaro = callPackage ../games/klavaro {};
+
+  kzipmix = callPackage_i686 ../tools/compression/kzipmix { };
+
+  minidlna = callPackage ../tools/networking/minidlna {
+    ffmpeg = ffmpeg_0_10;
+  };
+
+  mmv = callPackage ../tools/misc/mmv { };
+
+  most = callPackage ../tools/misc/most { };
+
+  multitail = callPackage ../tools/misc/multitail { };
+
+  netperf = callPackage ../applications/networking/netperf { };
+
+  ninka = callPackage ../development/tools/misc/ninka { };
+
+  nodejs = callPackage ../development/web/nodejs {};
+
+  nodePackages = recurseIntoAttrs (import ./node-packages.nix {
+    inherit pkgs stdenv nodejs fetchurl fetchgit;
+    neededNatives = [python] ++ lib.optional (lib.elem system lib.platforms.linux) utillinux;
+    self = pkgs.nodePackages;
+  });
+
+  ldapvi = callPackage ../tools/misc/ldapvi { };
+
+  ldns = callPackage ../development/libraries/ldns { };
+
+  lftp = callPackage ../tools/networking/lftp { };
+
+  libconfig = callPackage ../development/libraries/libconfig { };
+
+  libee = callPackage ../development/libraries/libee { };
+
+  libestr = callPackage ../development/libraries/libestr { };
+
+  libevdev = callPackage ../development/libraries/libevdev { };
+
+  liboauth = callPackage ../development/libraries/liboauth { };
+
+  libtirpc = callPackage ../development/libraries/ti-rpc { };
+
+  libshout = callPackage ../development/libraries/libshout { };
+
+  libqb = callPackage ../development/libraries/libqb { };
+
+  libqmi = callPackage ../development/libraries/libqmi { };
+
+  libmbim = callPackage ../development/libraries/libmbim { };
+
+  libtorrent = callPackage ../tools/networking/p2p/libtorrent { };
+
+  libtorrent-git = callPackage ../tools/networking/p2p/libtorrent/git.nix { };
+
+  libibverbs = callPackage ../development/libraries/libibverbs { };
+
+  librdmacm = callPackage ../development/libraries/librdmacm { };
+
+  logcheck = callPackage ../tools/system/logcheck {
+    inherit (perlPackages) mimeConstruct;
+  };
+
+  logkeys = callPackage ../tools/security/logkeys { };
+
+  logrotate = callPackage ../tools/system/logrotate { };
+
+  logstalgia = callPackage ../tools/graphics/logstalgia {};
+
+  lout = callPackage ../tools/typesetting/lout { };
+
+  lrzip = callPackage ../tools/compression/lrzip { };
+
+  # lsh installs `bin/nettle-lfib-stream' and so does Nettle.  Give the
+  # former a lower priority than Nettle.
+  lsh = lowPrio (callPackage ../tools/networking/lsh { });
+
+  lshw = callPackage ../tools/system/lshw { };
+
+  lxc = callPackage ../os-specific/linux/lxc { };
+
+  lzip = callPackage ../tools/compression/lzip { };
+
+  lzma = xz;
+
+  xz = callPackage ../tools/compression/xz { };
+
+  lzop = callPackage ../tools/compression/lzop { };
+
+  maildrop = callPackage ../tools/networking/maildrop { };
+
+  mailsend = callPackage ../tools/networking/mailsend { };
+
+  mailpile = callPackage ../applications/networking/mailreaders/mailpile { };
+
+  mailutils = callPackage ../tools/networking/mailutils {
+    guile = guile_1_8;
+  };
+
+  mairix = callPackage ../tools/text/mairix { };
+
+  makemkv = callPackage ../applications/video/makemkv { };
+
+  man = callPackage ../tools/misc/man { };
+
+  man_db = callPackage ../tools/misc/man-db { };
+
+  memtest86 = callPackage ../tools/misc/memtest86 { };
+
+  memtest86plus = callPackage ../tools/misc/memtest86+ { };
+
+  meo = callPackage ../tools/security/meo { };
+
+  mc = callPackage ../tools/misc/mc { };
+
+  mcabber = callPackage ../applications/networking/instant-messengers/mcabber { };
+
+  mcron = callPackage ../tools/system/mcron {
+    guile = guile_1_8;
+  };
+
+  mdbtools = callPackage ../tools/misc/mdbtools { };
+
+  mdbtools_git = callPackage ../tools/misc/mdbtools/git.nix {
+    inherit (gnome) scrollkeeper;
+  };
+
+  mednafen = callPackage ../misc/emulators/mednafen { };
+
+  mednafen-server = callPackage ../misc/emulators/mednafen/server.nix { };
+
+  megacli = callPackage ../tools/misc/megacli { };
+
+  megatools = callPackage ../tools/networking/megatools { };
+
+  mfcuk = callPackage ../tools/security/mfcuk { };
+
+  mfoc = callPackage ../tools/security/mfoc { };
+
+  minecraft = callPackage ../games/minecraft {
+    pulseaudioSupport = config.pulseaudio or true;
+    pulseaudio = pulseaudio.override { ossWrapper = true; };
+  };
+
+  minecraft-server = callPackage ../games/minecraft-server { };
+
+  minetest = callPackage ../games/minetest {
+    libpng = libpng12;
+  };
+
+  miniupnpc = callPackage ../tools/networking/miniupnpc { };
+
+  miniupnpd = callPackage ../tools/networking/miniupnpd { };
+
+  minixml = callPackage ../development/libraries/minixml { };
+
+  mjpegtools = callPackage ../tools/video/mjpegtools { };
+
+  mkcue = callPackage ../tools/cd-dvd/mkcue { };
+
+  mkpasswd = callPackage ../tools/security/mkpasswd { };
+
+  mkrand = callPackage ../tools/security/mkrand { };
+
+  mktemp = callPackage ../tools/security/mktemp { };
+
+  mktorrent = callPackage ../tools/misc/mktorrent { };
+
+  modemmanager = callPackage ../tools/networking/modemmanager {};
+
+  monit = callPackage ../tools/system/monit { };
+
+  mosh = callPackage ../tools/networking/mosh {
+    inherit (perlPackages) IOTty;
+  };
+
+  mpage = callPackage ../tools/text/mpage { };
+
+  mr = callPackage ../applications/version-management/mr { };
+
+  mscgen = callPackage ../tools/graphics/mscgen { };
+
+  msf = builderDefsPackage (import ../tools/security/metasploit/3.1.nix) {
+    inherit ruby makeWrapper;
+  };
+
+  mssys = callPackage ../tools/misc/mssys { };
+
+  mtdutils = callPackage ../tools/filesystems/mtdutils { };
+
+  mtools = callPackage ../tools/filesystems/mtools { };
+
+  mtr = callPackage ../tools/networking/mtr {};
+
+  multitran = recurseIntoAttrs (let callPackage = newScope pkgs.multitran; in rec {
+    multitrandata = callPackage ../tools/text/multitran/data { };
+
+    libbtree = callPackage ../tools/text/multitran/libbtree { };
+
+    libmtsupport = callPackage ../tools/text/multitran/libmtsupport { };
+
+    libfacet = callPackage ../tools/text/multitran/libfacet { };
+
+    libmtquery = callPackage ../tools/text/multitran/libmtquery { };
+
+    mtutils = callPackage ../tools/text/multitran/mtutils { };
+  });
+
+  munge = callPackage ../tools/security/munge { };
+
+  muscleframework = callPackage ../tools/security/muscleframework { };
+
+  muscletool = callPackage ../tools/security/muscletool { };
+
+  mysql2pgsql = callPackage ../tools/misc/mysql2pgsql { };
+
+  namazu = callPackage ../tools/text/namazu { };
+
+  nbd = callPackage ../tools/networking/nbd { };
+
+  ndjbdns = callPackage ../tools/networking/ndjbdns { };
+
+  netatalk = callPackage ../tools/filesystems/netatalk { };
+
+  netcdf = callPackage ../development/libraries/netcdf { };
+
+  nc6 = callPackage ../tools/networking/nc6 { };
+
+  ncat = callPackage ../tools/networking/ncat { };
+
+  ncftp = callPackage ../tools/networking/ncftp { };
+
+  ncompress = callPackage ../tools/compression/ncompress { };
+
+  ndisc6 = callPackage ../tools/networking/ndisc6 { };
+
+  netboot = callPackage ../tools/networking/netboot {};
+
+  netcat = callPackage ../tools/networking/netcat { };
+
+  netcat-openbsd = callPackage ../tools/networking/netcat-openbsd { };
+
+  nethogs = callPackage ../tools/networking/nethogs { };
+
+  netkittftp = callPackage ../tools/networking/netkit/tftp { };
+
+  netpbm = callPackage ../tools/graphics/netpbm { };
+
+  netrw = callPackage ../tools/networking/netrw { };
+
+  netselect = callPackage ../tools/networking/netselect { };
+
+  networkmanager = callPackage ../tools/networking/network-manager { };
+
+  networkmanager_openvpn = callPackage ../tools/networking/network-manager/openvpn.nix { };
+
+  networkmanager_pptp = callPackage ../tools/networking/network-manager/pptp.nix { };
+
+  networkmanager_vpnc = callPackage ../tools/networking/network-manager/vpnc.nix { };
+
+  networkmanager_openconnect = callPackage ../tools/networking/network-manager/openconnect.nix { };
+
+  networkmanagerapplet = newScope gnome ../tools/networking/network-manager-applet { dconf = gnome3.dconf; };
+
+  newsbeuter = callPackage ../applications/networking/feedreaders/newsbeuter { };
+
+  newsbeuter-dev = callPackage ../applications/networking/feedreaders/newsbeuter/dev.nix { };
+
+  ngrep = callPackage ../tools/networking/ngrep { };
+
+  ngrok = callPackage ../tools/misc/ngrok { };
+
+  mpack = callPackage ../tools/networking/mpack { };
+
+  pa_applet = callPackage ../tools/audio/pa-applet { };
+
+  pnmixer = callPackage ../tools/audio/pnmixer { };
+
+  nifskope = callPackage ../tools/graphics/nifskope { };
+
+  nilfs_utils = callPackage ../tools/filesystems/nilfs-utils {};
+
+  nitrogen = callPackage ../tools/X11/nitrogen {};
+
+  nlopt = callPackage ../development/libraries/nlopt {};
+
+  npapi_sdk = callPackage ../development/libraries/npapi-sdk {};
+
+  npth = callPackage ../development/libraries/npth {};
+
+  nmap = callPackage ../tools/security/nmap { };
+
+  nmap_graphical = callPackage ../tools/security/nmap {
+    inherit (pythonPackages) pysqlite;
+    graphicalSupport = true;
+  };
+
+  notbit = callPackage ../applications/networking/notbit { };
+
+  notify-osd = callPackage ../applications/misc/notify-osd { };
+
+  nox = callPackage ../tools/package-management/nox {
+    pythonPackages = python3Packages;
+    nix = nixUnstable;
+  };
+
+  nss_pam_ldapd = callPackage ../tools/networking/nss-pam-ldapd {};
+
+  ntfs3g = callPackage ../tools/filesystems/ntfs-3g { };
+
+  # ntfsprogs are merged into ntfs-3g
+  ntfsprogs = pkgs.ntfs3g;
+
+  ntop = callPackage ../tools/networking/ntop { };
+
+  ntopng = callPackage ../tools/networking/ntopng { };
+
+  ntp = callPackage ../tools/networking/ntp { };
+
+  numdiff = callPackage ../tools/text/numdiff { };
+
+  nssmdns = callPackage ../tools/networking/nss-mdns { };
+
+  nwdiag = pythonPackages.nwdiag;
+
+  nylon = callPackage ../tools/networking/nylon { };
+
+  nzbget = callPackage ../tools/networking/nzbget { };
+
+  oathToolkit = callPackage ../tools/security/oath-toolkit { };
+
+  obex_data_server = callPackage ../tools/bluetooth/obex-data-server { };
+
+  obexd = callPackage ../tools/bluetooth/obexd { };
+
+  obexfs = callPackage ../tools/bluetooth/obexfs { };
+
+  obexftp = callPackage ../tools/bluetooth/obexftp { };
+
+  obnam = callPackage ../tools/backup/obnam { };
+
+  odt2txt = callPackage ../tools/text/odt2txt { };
+
+  offlineimap = callPackage ../tools/networking/offlineimap {
+    inherit (pythonPackages) sqlite3;
+  };
+
+  opendbx = callPackage ../development/libraries/opendbx { };
+
+  opendkim = callPackage ../development/libraries/opendkim { };
+
+  opendylan = callPackage ../development/compilers/opendylan {
+    opendylan-bootstrap = opendylan_bin;
+  };
+
+  opendylan_bin = callPackage ../development/compilers/opendylan/bin.nix { };
+
+  openjade = callPackage ../tools/text/sgml/openjade { };
+
+  openntpd = callPackage ../tools/networking/openntpd { };
+
+  openobex = callPackage ../tools/bluetooth/openobex { };
+
+  openopc = callPackage ../tools/misc/openopc {
+    pythonFull = python27Full.override {
+      extraLibs = [ python27Packages.pyro3 ];
+    };
+  };
+
+  openresolv = callPackage ../tools/networking/openresolv { };
+
+  opensc = callPackage ../tools/security/opensc { };
+
+  opensc_dnie_wrapper = callPackage ../tools/security/opensc-dnie-wrapper { };
+
+  openssh =
+    callPackage ../tools/networking/openssh {
+      hpnSupport = false;
+      withKerberos = false;
+      etcDir = "/etc/ssh";
+      pam = if stdenv.isLinux then pam else null;
+    };
+
+  openssh_hpn = pkgs.appendToName "with-hpn" (openssh.override { hpnSupport = true; });
+
+  openssh_with_kerberos = pkgs.appendToName "with-kerberos" (openssh.override { withKerberos = true; });
+
+  opensp = callPackage ../tools/text/sgml/opensp { };
+
+  spCompat = callPackage ../tools/text/sgml/opensp/compat.nix { };
+
+  opentracker = callPackage ../applications/networking/p2p/opentracker { };
+
+  openvpn = callPackage ../tools/networking/openvpn { };
+
+  openvpn_learnaddress = callPackage ../tools/networking/openvpn/openvpn_learnaddress.nix { };
+
+  openvswitch = callPackage ../os-specific/linux/openvswitch { };
+
+  optipng = callPackage ../tools/graphics/optipng {
+    libpng = libpng12;
+  };
+
+  oslrd = callPackage ../tools/networking/oslrd { };
+
+  ossec = callPackage ../tools/security/ossec {};
+
+  otpw = callPackage ../os-specific/linux/otpw { };
+
+  p7zip = callPackage ../tools/archivers/p7zip { };
+
+  pal = callPackage ../tools/misc/pal { };
+
+  panomatic = callPackage ../tools/graphics/panomatic { };
+
+  par2cmdline = callPackage ../tools/networking/par2cmdline { };
+
+  parallel = callPackage ../tools/misc/parallel { };
+
+  parcellite = callPackage ../tools/misc/parcellite { };
+
+  patchutils = callPackage ../tools/text/patchutils { };
+
+  parted = callPackage ../tools/misc/parted { hurd = null; };
+
+  pitivi = callPackage ../applications/video/pitivi {
+    gst = gst_all_1;
+    clutter-gtk = clutter_gtk;
+    inherit (gnome3) gnome_icon_theme gnome_icon_theme_symbolic;
+  };
+
+  p0f = callPackage ../tools/security/p0f { };
+
+  pngout = callPackage ../tools/graphics/pngout { };
+
+  hurdPartedCross =
+    if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+    then (makeOverridable
+            ({ hurd }:
+              (parted.override {
+                # Needs the Hurd's libstore.
+                inherit hurd;
+
+                # The Hurd wants a libparted.a.
+                enableStatic = true;
+
+                gettext = null;
+                readline = null;
+                devicemapper = null;
+              }).crossDrv)
+           { hurd = gnu.hurdCrossIntermediate; })
+    else null;
+
+  ipsecTools = callPackage ../os-specific/linux/ipsec-tools { flex = flex_2_5_35; };
+
+  patch = gnupatch;
+
+  pbzip2 = callPackage ../tools/compression/pbzip2 { };
+
+  pciutils = callPackage ../tools/system/pciutils { };
+
+  pcsclite = callPackage ../tools/security/pcsclite { };
+
+  pdf2djvu = callPackage ../tools/typesetting/pdf2djvu { };
+
+  pdf2svg = callPackage ../tools/graphics/pdf2svg { };
+
+  pdfjam = callPackage ../tools/typesetting/pdfjam { };
+
+  jbig2enc = callPackage ../tools/graphics/jbig2enc { };
+
+  pdfread = callPackage ../tools/graphics/pdfread { };
+
+  briss = callPackage ../tools/graphics/briss { };
+
+  bully = callPackage ../tools/networking/bully { };
+
+  pdnsd = callPackage ../tools/networking/pdnsd { };
+
+  peco = callPackage ../tools/text/peco { };
+
+  pg_top = callPackage ../tools/misc/pg_top { };
+
+  pdsh = callPackage ../tools/networking/pdsh {
+    rsh = true;          # enable internal rsh implementation
+    ssh = openssh;
+  };
+
+  pfstools = callPackage ../tools/graphics/pfstools { };
+
+  philter = callPackage ../tools/networking/philter { };
+
+  pinentry = callPackage ../tools/security/pinentry { };
+
+  pius = callPackage ../tools/security/pius { };
+
+  pk2cmd = callPackage ../tools/misc/pk2cmd { };
+
+  plantuml = callPackage ../tools/misc/plantuml { };
+
+  plan9port = callPackage ../tools/system/plan9port { };
+
+  ploticus = callPackage ../tools/graphics/ploticus {
+    libpng = libpng12;
+  };
+
+  plotutils = callPackage ../tools/graphics/plotutils { };
+
+  plowshare = callPackage ../tools/misc/plowshare { };
+
+  pngcrush = callPackage ../tools/graphics/pngcrush { };
+
+  pngnq = callPackage ../tools/graphics/pngnq { };
+
+  pngtoico = callPackage ../tools/graphics/pngtoico {
+    libpng = libpng12;
+  };
+
+  pngquant = callPackage ../tools/graphics/pngquant { };
+
+  podiff = callPackage ../tools/text/podiff { };
+
+  poedit = callPackage ../tools/text/poedit { };
+
+  polipo = callPackage ../servers/polipo { };
+
+  polkit_gnome = callPackage ../tools/security/polkit-gnome { };
+
+  ponysay = callPackage ../tools/misc/ponysay { };
+
+  povray = callPackage ../tools/graphics/povray { };
+
+  ppl = callPackage ../development/libraries/ppl { };
+
+  ppp = callPackage ../tools/networking/ppp { };
+
+  pptp = callPackage ../tools/networking/pptp {};
+
+  prey-bash-client = callPackage ../tools/security/prey { };
+
+  projectm = callPackage ../applications/audio/projectm { };
+
+  proxychains = callPackage ../tools/networking/proxychains { };
+
+  proxytunnel = callPackage ../tools/misc/proxytunnel { };
+
+  cntlm = callPackage ../tools/networking/cntlm { };
+
+  pastebinit = callPackage ../tools/misc/pastebinit { };
+
+  psmisc = callPackage ../os-specific/linux/psmisc { };
+
+  pstoedit = callPackage ../tools/graphics/pstoedit { };
+
+  pv = callPackage ../tools/misc/pv { };
+
+  pwgen = callPackage ../tools/security/pwgen { };
+
+  pwnat = callPackage ../tools/networking/pwnat { };
+
+  pycangjie = callPackage ../development/python-modules/pycangjie { };
+
+  pydb = callPackage ../development/tools/pydb { };
+
+  pystringtemplate = callPackage ../development/python-modules/stringtemplate { };
+
+  pythonDBus = dbus_python;
+
+  pythonIRClib = builderDefsPackage (import ../development/python-modules/irclib) {
+    inherit python;
+  };
+
+  pythonSexy = builderDefsPackage (import ../development/python-modules/libsexy) {
+    inherit python libsexy pkgconfig libxml2 pygtk pango gtk glib;
+  };
+
+  openmpi = callPackage ../development/libraries/openmpi { };
+
+  qhull = callPackage ../development/libraries/qhull { };
+
+  qjoypad = callPackage ../tools/misc/qjoypad { };
+
+  qscintilla = callPackage ../development/libraries/qscintilla {
+    qt = qt4;
+  };
+
+  qshowdiff = callPackage ../tools/text/qshowdiff { };
+
+  quilt = callPackage ../development/tools/quilt { };
+
+  radvd = callPackage ../tools/networking/radvd { };
+
+  ranger = callPackage ../applications/misc/ranger { };
+
+  privateer = callPackage ../games/privateer { };
+
+  redmine = callPackage ../applications/version-management/redmine { };
+
+  rtmpdump = callPackage ../tools/video/rtmpdump { };
+
+  reaverwps = callPackage ../tools/networking/reaver-wps {};
+
+  recutils = callPackage ../tools/misc/recutils { };
+
+  recoll = callPackage ../applications/search/recoll { };
+
+  reiser4progs = callPackage ../tools/filesystems/reiser4progs { };
+
+  reiserfsprogs = callPackage ../tools/filesystems/reiserfsprogs { };
+
+  relfs = callPackage ../tools/filesystems/relfs {
+    inherit (gnome) gnome_vfs GConf;
+  };
+
+  remarkjs = callPackage ../development/web/remarkjs { };
+
+  remind = callPackage ../tools/misc/remind { };
+
+  remmina = callPackage ../applications/networking/remote/remmina {};
+
+  renameutils = callPackage ../tools/misc/renameutils { };
+
+  replace = callPackage ../tools/text/replace { };
+
+  reptyr = callPackage ../os-specific/linux/reptyr {};
+
+  rdiff_backup = callPackage ../tools/backup/rdiff-backup { };
+
+  rdmd = callPackage ../development/compilers/rdmd { };
+
+  rhash = callPackage ../tools/security/rhash { };
+
+  riemann_c_client = callPackage ../tools/misc/riemann-c-client { };
+
+  ripmime = callPackage ../tools/networking/ripmime {};
+
+  rkflashtool = callPackage ../tools/misc/rkflashtool { };
+
+  rmlint = callPackage ../tools/misc/rmlint {};
+
+  rng_tools = callPackage ../tools/security/rng-tools { };
+
+  rsnapshot = callPackage ../tools/backup/rsnapshot {
+    # For the `logger' command, we can use either `utillinux' or
+    # GNU Inetutils.  The latter is more portable.
+    logger = inetutils;
+  };
+
+  rlwrap = callPackage ../tools/misc/rlwrap { };
+
+  rockbox_utility = callPackage ../tools/misc/rockbox-utility { };
+
+  rpPPPoE = builderDefsPackage (import ../tools/networking/rp-pppoe) {
+    inherit ppp;
+  };
+
+  rpm = callPackage ../tools/package-management/rpm { };
+
+  rrdtool = callPackage ../tools/misc/rrdtool { };
+
+  rtorrent = callPackage ../tools/networking/p2p/rtorrent { };
+
+  rtorrent-git = callPackage ../tools/networking/p2p/rtorrent/git.nix { };
+
+  rubber = callPackage ../tools/typesetting/rubber { };
+
+  rxp = callPackage ../tools/text/xml/rxp { };
+
+  rzip = callPackage ../tools/compression/rzip { };
+
+  s3backer = callPackage ../tools/filesystems/s3backer { };
+
+  s3cmd = callPackage ../tools/networking/s3cmd { };
+
+  s3cmd_15_pre_81e3842f7a = lowPrio (callPackage ../tools/networking/s3cmd/git.nix { });
+
+  s3sync = callPackage ../tools/networking/s3sync {
+    ruby = ruby_1_8;
+  };
+
+  s6Dns = callPackage ../tools/networking/s6-dns { };
+
+  s6LinuxUtils = callPackage ../os-specific/linux/s6-linux-utils { };
+
+  s6Networking = callPackage ../tools/networking/s6-networking { };
+
+  s6PortableUtils = callPackage ../tools/misc/s6-portable-utils { };
+
+  sablotron = callPackage ../tools/text/xml/sablotron { };
+
+  safecopy = callPackage ../tools/system/safecopy { };
+
+  salut_a_toi = callPackage ../applications/networking/instant-messengers/salut-a-toi {};
+
+  samplicator = callPackage ../tools/networking/samplicator { };
+
+  screen = callPackage ../tools/misc/screen { };
+
+  scrot = callPackage ../tools/graphics/scrot { };
+
+  scrypt = callPackage ../tools/security/scrypt { };
+
+  sdcv = callPackage ../applications/misc/sdcv { };
+
+  sec = callPackage ../tools/admin/sec { };
+
+  seccure = callPackage ../tools/security/seccure { };
+
+  setserial = builderDefsPackage (import ../tools/system/setserial) {
+    inherit groff;
+  };
+
+  seqdiag = pythonPackages.seqdiag;
+
+  screenfetch = callPackage ../tools/misc/screenfetch { };
+
+  sg3_utils = callPackage ../tools/system/sg3_utils { };
+
+  sharutils = callPackage ../tools/archivers/sharutils { };
+
+  shotwell = callPackage ../applications/graphics/shotwell { };
+
+  shebangfix = callPackage ../tools/misc/shebangfix { };
+
+  shellinabox = callPackage ../servers/shellinabox { };
+
+  siege = callPackage ../tools/networking/siege {};
+
+  sigil = callPackage ../applications/editors/sigil { };
+
+  silc_client = callPackage ../applications/networking/instant-messengers/silc-client { };
+
+  silc_server = callPackage ../servers/silc-server { };
+
+  silver-searcher = callPackage ../tools/text/silver-searcher { };
+
+  simplescreenrecorder = callPackage ../applications/video/simplescreenrecorder { };
+
+  sleuthkit = callPackage ../tools/system/sleuthkit {};
+
+  slimrat = callPackage ../tools/networking/slimrat {
+    inherit (perlPackages) WWWMechanize LWP;
+  };
+
+  slsnif = callPackage ../tools/misc/slsnif { };
+
+  smartmontools = callPackage ../tools/system/smartmontools { };
+
+  smbldaptools = callPackage ../tools/networking/smbldaptools {
+    inherit (perlPackages) NetLDAP CryptSmbHash DigestSHA1;
+  };
+
+  smbnetfs = callPackage ../tools/filesystems/smbnetfs {};
+
+  snort = callPackage ../applications/networking/ids/snort { };
+
+  snx = callPackage_i686 ../tools/networking/snx {
+    inherit (pkgsi686Linux) pam gcc33;
+    inherit (pkgsi686Linux.xlibs) libX11;
+  };
+
+  solr = callPackage ../servers/search/solr { };
+
+  solvespace = callPackage ../applications/graphics/solvespace { };
+
+  sparsehash = callPackage ../development/libraries/sparsehash { };
+
+  spiped = callPackage ../tools/networking/spiped { };
+
+  sproxy = haskellPackages.callPackage ../tools/networking/sproxy { };
+
+  sproxy-web = haskellPackages.callPackage ../tools/networking/sproxy-web { };
+
+  stardict = callPackage ../applications/misc/stardict/stardict.nix {
+    inherit (gnome) libgnomeui scrollkeeper;
+  };
+
+  storebrowse = callPackage ../tools/system/storebrowse { };
+
+  fusesmb = callPackage ../tools/filesystems/fusesmb { };
+
+  sl = callPackage ../tools/misc/sl { };
+
+  socat = callPackage ../tools/networking/socat { };
+
+  socat2pre = lowPrio (callPackage ../tools/networking/socat/2.x.nix { });
+
+  sourceHighlight = callPackage ../tools/text/source-highlight {
+    # Boost 1.54 causes the "test_regexranges" test to fail
+    boost = boost149;
+  };
+
+  spaceFM = callPackage ../applications/misc/spacefm { };
+
+  squashfsTools = callPackage ../tools/filesystems/squashfs { };
+
+  sshfsFuse = callPackage ../tools/filesystems/sshfs-fuse { };
+
+  sshuttle = callPackage ../tools/security/sshuttle { };
+
+  sudo = callPackage ../tools/security/sudo { };
+
+  suidChroot = builderDefsPackage (import ../tools/system/suid-chroot) { };
+
+  super = callPackage ../tools/security/super { };
+
+  ssdeep = callPackage ../tools/security/ssdeep { };
+
+  sshpass = callPackage ../tools/networking/sshpass { };
+
+  ssmtp = callPackage ../tools/networking/ssmtp {
+    tlsSupport = true;
+  };
+
+  ssss = callPackage ../tools/security/ssss { };
+
+  storeBackup = callPackage ../tools/backup/store-backup { };
+
+  stow = callPackage ../tools/misc/stow { };
+
+  stun = callPackage ../tools/networking/stun { };
+
+  stunnel = callPackage ../tools/networking/stunnel { };
+
+  strongswan = callPackage ../tools/networking/strongswan { stdenv = clangStdenv; };
+
+  su = shadow.su;
+
+  surfraw = callPackage ../tools/networking/surfraw { };
+
+  swec = callPackage ../tools/networking/swec {
+    inherit (perlPackages) LWP URI HTMLParser HTTPServerSimple Parent;
+  };
+
+  svnfs = callPackage ../tools/filesystems/svnfs { };
+
+  sysbench = callPackage ../development/tools/misc/sysbench {};
+
+  system_config_printer = callPackage ../tools/misc/system-config-printer {
+    libxml2 = libxml2Python;
+   };
+
+  sitecopy = callPackage ../tools/networking/sitecopy { };
+
+  stricat = callPackage ../tools/security/stricat { };
+
+  privoxy = callPackage ../tools/networking/privoxy { };
+
+  t1utils = callPackage ../tools/misc/t1utils { };
+
+  tarsnap = callPackage ../tools/backup/tarsnap { };
+
+  tcpcrypt = callPackage ../tools/security/tcpcrypt { };
+
+  tboot = callPackage ../tools/security/tboot { };
+
+  tcl2048 = callPackage ../games/tcl2048 { };
+
+  tcpdump = callPackage ../tools/networking/tcpdump { };
+
+  tcpflow = callPackage ../tools/networking/tcpflow { };
+
+  teamviewer = callPackage_i686 ../applications/networking/remote/teamviewer { };
+
+  # Work In Progress: it doesn't start unless running a daemon as root
+  teamviewer8 = lowPrio (callPackage_i686 ../applications/networking/remote/teamviewer/8.nix { });
+
+  telnet = callPackage ../tools/networking/telnet { };
+
+  texmacs = callPackage ../applications/editors/texmacs {
+    tex = texLive; /* tetex is also an option */
+    extraFonts = true;
+    guile = guile_1_8;
+  };
+
+  texmaker = callPackage ../applications/editors/texmaker { };
+
+  texstudio = callPackage ../applications/editors/texstudio { };
+
+  thc-hydra = callPackage ../tools/security/thc-hydra { };
+
+  tiled-qt = callPackage ../applications/editors/tiled-qt { qt = qt4; };
+
+  tinc = callPackage ../tools/networking/tinc { };
+
+  tinc_pre = callPackage ../tools/networking/tinc/pre.nix { };
+
+  tiny8086 = callPackage ../applications/virtualization/8086tiny { };
+
+  tmpwatch = callPackage ../tools/misc/tmpwatch  { };
+
+  tmux = callPackage ../tools/misc/tmux { };
+
+  tor = callPackage ../tools/security/tor { };
+
+  torbutton = callPackage ../tools/security/torbutton { };
+
+  torbrowser = callPackage ../tools/security/tor/torbrowser.nix { };
+
+  torsocks = callPackage ../tools/security/tor/torsocks.nix { };
+
+  tpm-quote-tools = callPackage ../tools/security/tpm-quote-tools { };
+
+  tpm-tools = callPackage ../tools/security/tpm-tools { };
+
+  traceroute = callPackage ../tools/networking/traceroute { };
+
+  trickle = callPackage ../tools/networking/trickle {};
+
+  trousers = callPackage ../tools/security/trousers { };
+
+  ttf2pt1 = callPackage ../tools/misc/ttf2pt1 { };
+
+  tty-clock = callPackage ../tools/misc/tty-clock { };
+
+  ttysnoop = callPackage ../os-specific/linux/ttysnoop {};
+
+  twitterBootstrap = callPackage ../development/web/twitter-bootstrap {};
+
+  txt2man = callPackage ../tools/misc/txt2man { };
+
+  ucl = callPackage ../development/libraries/ucl { };
+
+  ucspi-tcp = callPackage ../tools/networking/ucspi-tcp { };
+
+  udftools = callPackage ../tools/filesystems/udftools {};
+
+  udptunnel = callPackage ../tools/networking/udptunnel { };
+
+  ufraw = callPackage ../applications/graphics/ufraw { };
+
+  unetbootin = callPackage ../tools/cd-dvd/unetbootin { };
+
+  unfs3 = callPackage ../servers/unfs3 { };
+
+  unoconv = callPackage ../tools/text/unoconv { };
+
+  upx = callPackage ../tools/compression/upx { };
+
+  urlview = callPackage ../applications/misc/urlview {};
+
+  usbmuxd = callPackage ../tools/misc/usbmuxd {};
+
+  vacuum = callPackage ../applications/networking/instant-messengers/vacuum {};
+
+  volatility = callPackage ../tools/security/volatility { };
+
+  vidalia = callPackage ../tools/security/vidalia { };
+
+  vbetool = builderDefsPackage ../tools/system/vbetool {
+    inherit pciutils libx86 zlib;
+  };
+
+  vde2 = callPackage ../tools/networking/vde2 { };
+
+  vboot_reference = callPackage ../tools/system/vboot_reference { };
+
+  vcsh = callPackage ../applications/version-management/vcsh { };
+
+  verilog = callPackage ../applications/science/electronics/verilog {};
+
+  vfdecrypt = callPackage ../tools/misc/vfdecrypt { };
+
+  vifm = callPackage ../applications/misc/vifm { };
+
+  viking = callPackage ../applications/misc/viking {
+    inherit (gnome) scrollkeeper;
+  };
+
+  vnc2flv = callPackage ../tools/video/vnc2flv {};
+
+  vncrec = builderDefsPackage ../tools/video/vncrec {
+    inherit (xlibs) imake libX11 xproto gccmakedep libXt
+      libXmu libXaw libXext xextproto libSM libICE libXpm
+      libXp;
+  };
+
+  vobcopy = callPackage ../tools/cd-dvd/vobcopy { };
+
+  vobsub2srt = callPackage ../tools/cd-dvd/vobsub2srt { };
+
+  vorbisgain = callPackage ../tools/misc/vorbisgain { };
+
+  vpnc = callPackage ../tools/networking/vpnc { };
+
+  openconnect = callPackage ../tools/networking/openconnect.nix { };
+
+  vtun = callPackage ../tools/networking/vtun { };
+
+  wal_e = callPackage ../tools/backup/wal-e { };
+
+  watchman = callPackage ../development/tools/watchman { };
+
+  wbox = callPackage ../tools/networking/wbox {};
+
+  welkin = callPackage ../tools/graphics/welkin {};
+
+  testdisk = callPackage ../tools/misc/testdisk { };
+
+  htmlTidy = callPackage ../tools/text/html-tidy { };
+
+  html-xml-utils = callPackage ../tools/text/xml/html-xml-utils { };
+
+  tftp_hpa = callPackage ../tools/networking/tftp-hpa {};
+
+  tigervnc = callPackage ../tools/admin/tigervnc {
+    fontDirectories = [ xorg.fontadobe75dpi xorg.fontmiscmisc xorg.fontcursormisc
+      xorg.fontbhlucidatypewriter75dpi ];
+    inherit (xorg) xorgserver;
+    fltk = fltk13;
+  };
+
+  tightvnc = callPackage ../tools/admin/tightvnc {
+    fontDirectories = [ xorg.fontadobe75dpi xorg.fontmiscmisc xorg.fontcursormisc
+      xorg.fontbhlucidatypewriter75dpi ];
+  };
+
+  time = callPackage ../tools/misc/time { };
+
+  tkabber = callPackage ../applications/networking/instant-messengers/tkabber { };
+
+  qfsm = callPackage ../applications/science/electronics/qfsm { };
+
+  tkgate = callPackage ../applications/science/electronics/tkgate/1.x.nix {
+    inherit (xlibs) libX11 imake xproto gccmakedep;
+  };
+
+  # The newer package is low-priority because it segfaults at startup.
+  tkgate2 = lowPrio (callPackage ../applications/science/electronics/tkgate/2.x.nix {
+    inherit (xlibs) libX11;
+  });
+
+  tm = callPackage ../tools/system/tm { };
+
+  trang = callPackage ../tools/text/xml/trang { };
+
+  tre = callPackage ../development/libraries/tre { };
+
+  ts = callPackage ../tools/system/ts { };
+
+  transfig = callPackage ../tools/graphics/transfig {
+    libpng = libpng12;
+  };
+
+  truecrypt = callPackage ../applications/misc/truecrypt {
+    wxGUI = config.truecrypt.wxGUI or true;
+  };
+
+  ttmkfdir = callPackage ../tools/misc/ttmkfdir { };
+
+  uim = callPackage ../tools/inputmethods/uim {
+    inherit (pkgs.kde4) kdelibs;
+  };
+
+  uhub = callPackage ../servers/uhub { };
+
+  unclutter = callPackage ../tools/misc/unclutter { };
+
+  unbound = callPackage ../tools/networking/unbound { };
+
+  units = callPackage ../tools/misc/units { };
+
+  unrar = callPackage ../tools/archivers/unrar { };
+
+  xar = callPackage ../tools/compression/xar { };
+
+  xarchive = callPackage ../tools/archivers/xarchive { };
+
+  xarchiver = callPackage ../tools/archivers/xarchiver { };
+
+  xcruiser = callPackage ../applications/misc/xcruiser { };
+
+  unarj = callPackage ../tools/archivers/unarj { };
+
+  unshield = callPackage ../tools/archivers/unshield { };
+
+  unzip = callPackage ../tools/archivers/unzip { };
+
+  unzipNLS = lowPrio (unzip.override { enableNLS = true; });
+
+  uptimed = callPackage ../tools/system/uptimed { };
+
+  urlwatch = callPackage ../tools/networking/urlwatch { };
+
+  varnish = callPackage ../servers/varnish { };
+
+  varnish2 = callPackage ../servers/varnish/2.1.nix { };
+
+  venus = callPackage ../tools/misc/venus {
+    python = python27;
+  };
+
+  vlan = callPackage ../tools/networking/vlan { };
+
+  volumeicon = callPackage ../tools/audio/volumeicon { };
+
+  wakelan = callPackage ../tools/networking/wakelan { };
+
+  wavemon = callPackage ../tools/networking/wavemon { };
+
+  w3cCSSValidator = callPackage ../tools/misc/w3c-css-validator {
+    tomcat = tomcat6;
+  };
+
+  wdfs = callPackage ../tools/filesystems/wdfs { };
+
+  wdiff = callPackage ../tools/text/wdiff { };
+
+  webalizer = callPackage ../tools/networking/webalizer { };
+
+  webdruid = builderDefsPackage ../tools/admin/webdruid {
+    inherit zlib libpng freetype gd which
+      libxml2 geoip;
+  };
+
+  weighttp = callPackage ../tools/networking/weighttp { };
+
+  wget = callPackage ../tools/networking/wget {
+    inherit (perlPackages) LWP;
+  };
+
+  which = callPackage ../tools/system/which { };
+
+  wicd = callPackage ../tools/networking/wicd { };
+
+  wkhtmltopdf = callPackage ../tools/graphics/wkhtmltopdf {
+    overrideDerivation = lib.overrideDerivation;
+    inherit (xlibs) libX11 libXext libXrender;
+  };
+
+  wv = callPackage ../tools/misc/wv { };
+
+  wv2 = callPackage ../tools/misc/wv2 { };
+
+  x86info = callPackage ../os-specific/linux/x86info { };
+
+  x11_ssh_askpass = callPackage ../tools/networking/x11-ssh-askpass { };
+
+  xbursttools = assert stdenv ? glibc; import ../tools/misc/xburst-tools {
+    inherit stdenv fetchgit autoconf automake confuse pkgconfig libusb libusb1;
+    # It needs a cross compiler for mipsel to build the firmware it will
+    # load into the Ben Nanonote
+    gccCross =
+      let
+        pkgsCross = (import ./all-packages.nix) {
+          inherit system;
+          inherit bootStdenv noSysDirs gccWithCC gccWithProfiling config;
+          # Ben Nanonote system
+          crossSystem = {
+            config = "mipsel-unknown-linux";
+            bigEndian = true;
+            arch = "mips";
+            float = "soft";
+            withTLS = true;
+            libc = "uclibc";
+            platform = {
+              name = "ben_nanonote";
+              kernelMajor = "2.6";
+              # It's not a bcm47xx processor, but for the headers this should work
+              kernelHeadersBaseConfig = "bcm47xx_defconfig";
+              kernelArch = "mips";
+            };
+            gcc = {
+              arch = "mips32";
+            };
+          };
+        };
+      in
+        pkgsCross.gccCrossStageStatic;
+  };
+
+  xclip = callPackage ../tools/misc/xclip { };
+
+  xtitle = callPackage ../tools/misc/xtitle { };
+
+  xdelta = callPackage ../tools/compression/xdelta { };
+
+  xdummy = callPackage ../tools/misc/xdummy { };
+
+  xfsprogs = callPackage ../tools/filesystems/xfsprogs { };
+
+  xmlroff = callPackage ../tools/typesetting/xmlroff {
+    inherit (gnome) libgnomeprint;
+  };
+
+  xmlstarlet = callPackage ../tools/text/xml/xmlstarlet { };
+
+  xmlto = callPackage ../tools/typesetting/xmlto { };
+
+  xmltv = callPackage ../tools/misc/xmltv { };
+
+  xmpppy = builderDefsPackage (import ../development/python-modules/xmpppy) {
+    inherit python setuptools;
+  };
+
+  xorriso = callPackage ../tools/cd-dvd/xorriso { };
+
+  xpf = callPackage ../tools/text/xml/xpf {
+    libxml2 = libxml2Python;
+  };
+
+  xsel = callPackage ../tools/misc/xsel { };
+
+  xtreemfs = callPackage ../tools/filesystems/xtreemfs {};
+
+  xvfb_run = callPackage ../tools/misc/xvfb-run { inherit (texFunctions) fontsConf; };
+
+  youtubeDL = callPackage ../tools/misc/youtube-dl { };
+
+  zbar = callPackage ../tools/graphics/zbar {
+    pygtk = lib.overrideDerivation pygtk (x: {
+      gtk = gtk2;
+    });
+  };
+
+  zdelta = callPackage ../tools/compression/zdelta { };
+
+  zfstools = callPackage ../tools/filesystems/zfstools {
+    zfs = linuxPackages.zfs;
+  };
+
+  zile = callPackage ../applications/editors/zile { };
+
+  zip = callPackage ../tools/archivers/zip { };
+
+  zpaq = callPackage ../tools/archivers/zpaq { };
+  zpaqd = callPackage ../tools/archivers/zpaq/zpaqd.nix { };
+
+  zsync = callPackage ../tools/compression/zsync { };
+
+
+  ### SHELLS
+
+  bash = lowPrio (callPackage ../shells/bash {
+    texinfo = null;
+  });
+
+  bashInteractive = appendToName "interactive" (callPackage ../shells/bash {
+    interactive = true;
+  });
+
+  bashCompletion = callPackage ../shells/bash-completion { };
+
+  dash = callPackage ../shells/dash { };
+
+  fish = callPackage ../shells/fish {
+    python = python27Full;
+  };
+
+  tcsh = callPackage ../shells/tcsh { };
+
+  rush = callPackage ../shells/rush { };
+
+  zsh = callPackage ../shells/zsh { };
+
+
+  ### DEVELOPMENT / COMPILERS
+
+  abc =
+    abcPatchable [];
+
+  abcPatchable = patches :
+    import ../development/compilers/abc/default.nix {
+      inherit stdenv fetchurl patches jre apacheAnt;
+      javaCup = callPackage ../development/libraries/java/cup { };
+    };
+
+  aldor = callPackage ../development/compilers/aldor { };
+
+  aliceml = callPackage ../development/compilers/aliceml { };
+
+  aspectj = callPackage ../development/compilers/aspectj { };
+
+  ats = callPackage ../development/compilers/ats { };
+  ats2 = callPackage ../development/compilers/ats2 { };
+
+  avra = callPackage ../development/compilers/avra { };
+
+  bigloo = callPackage ../development/compilers/bigloo { };
+
+  chicken = callPackage ../development/compilers/chicken { };
+
+  ccl = builderDefsPackage ../development/compilers/ccl {};
+
+  clang = wrapClang llvmPackages.clang;
+
+  clang_34 = wrapClang llvmPackages_34.clang;
+  clang_33 = wrapClang (clangUnwrapped llvm_33 ../development/compilers/llvm/3.3/clang.nix);
+
+  clangAnalyzer = callPackage ../development/tools/analysis/clang-analyzer {
+    clang = clang_34;
+    llvmPackages = llvmPackages_34;
+  };
+
+  clangUnwrapped = llvm: pkg: callPackage pkg {
+    stdenv = if stdenv.isDarwin then stdenvApple else stdenv;
+    inherit llvm;
+  };
+
+  clangSelf = clangWrapSelf llvmPackagesSelf.clang;
+
+  clangWrapSelf = build: (import ../build-support/clang-wrapper) {
+    clang = build;
+    stdenv = clangStdenv;
+    libc = glibc;
+    binutils = binutils;
+    shell = bash;
+    inherit libcxx coreutils zlib;
+    nativeTools = false;
+    nativeLibc = false;
+  };
+
+  #Use this instead of stdenv to build with clang
+  clangStdenv = lowPrio (stdenvAdapters.overrideGCC stdenv clang);
+  libcxxStdenv = stdenvAdapters.overrideGCC stdenv (clangWrapSelf llvmPackages.clang);
+
+  clean = callPackage ../development/compilers/clean { };
+
+  closurecompiler = callPackage ../development/compilers/closure { };
+
+  cmucl_binary = callPackage ../development/compilers/cmucl/binary.nix { };
+
+  compcert = callPackage ../development/compilers/compcert {};
+
+  cryptol1 = lowPrio (callPackage ../development/compilers/cryptol/1.8.x.nix {});
+  cryptol2 = with haskellPackages_ghc763; callPackage ../development/compilers/cryptol/2.0.x.nix {
+    Cabal = Cabal_1_18_1_3;
+    cabalInstall = cabalInstall_1_18_0_3;
+    process = process_1_2_0_0;
+  };
+
+  cython = pythonPackages.cython;
+  cython3 = python3Packages.cython;
+
+  ecl = callPackage ../development/compilers/ecl { };
+
+  eql = callPackage ../development/compilers/eql {};
+
+  adobe_flex_sdk = callPackage ../development/compilers/adobe-flex-sdk { };
+
+  fpc = callPackage ../development/compilers/fpc { };
+
+  gambit = callPackage ../development/compilers/gambit { };
+
+  gcc       = gcc48;
+  gcc_multi = gcc48_multi;
+
+  gcc33 = wrapGCC (import ../development/compilers/gcc/3.3 {
+    inherit fetchurl stdenv noSysDirs;
+  });
+
+  gcc34 = wrapGCC (import ../development/compilers/gcc/3.4 {
+    inherit fetchurl stdenv noSysDirs;
+  });
+
+  gcc48_realCross = lib.addMetaAttrs { hydraPlatforms = []; }
+    (callPackage ../development/compilers/gcc/4.8 {
+      inherit noSysDirs;
+      binutilsCross = binutilsCross;
+      libcCross = libcCross;
+      profiledCompiler = false;
+      enableMultilib = false;
+      crossStageStatic = false;
+      cross = assert crossSystem != null; crossSystem;
+    });
+
+  gcc_realCross = gcc48_realCross;
+
+  gccCrossStageStatic = let
+      libcCross1 =
+        if stdenv.cross.libc == "msvcrt" then windows.mingw_w64_headers
+        else if stdenv.cross.libc == "libSystem" then darwin.xcode
+        else null;
+    in
+      wrapGCCCross {
+      gcc = forceNativeDrv (lib.addMetaAttrs { hydraPlatforms = []; } (
+        gcc_realCross.override {
+          crossStageStatic = true;
+          langCC = false;
+          libcCross = libcCross1;
+          enableShared = false;
+        }));
+      libc = libcCross1;
+      binutils = binutilsCross;
+      cross = assert crossSystem != null; crossSystem;
+  };
+
+  # Only needed for mingw builds
+  gccCrossMingw2 = wrapGCCCross {
+    gcc = gccCrossStageStatic.gcc;
+    libc = windows.mingw_headers2;
+    binutils = binutilsCross;
+    cross = assert crossSystem != null; crossSystem;
+  };
+
+  gccCrossStageFinal = wrapGCCCross {
+    gcc = forceNativeDrv (gcc_realCross.override {
+      libpthreadCross =
+        # FIXME: Don't explicitly refer to `i586-pc-gnu'.
+        if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+        then gnu.libpthreadCross
+        else null;
+
+      # XXX: We have troubles cross-compiling libstdc++ on MinGW (see
+      # <http://hydra.nixos.org/build/4268232>), so don't even try.
+      langCC = (crossSystem == null
+                || crossSystem.config != "i686-pc-mingw32");
+     });
+    libc = libcCross;
+    binutils = binutilsCross;
+    cross = assert crossSystem != null; crossSystem;
+  };
+
+  gcc44 = lowPrio (wrapGCC (makeOverridable (import ../development/compilers/gcc/4.4) {
+    inherit fetchurl stdenv gmp mpfr /* ppl cloogppl */
+      gettext which noSysDirs;
+    texinfo = texinfo4;
+    profiledCompiler = true;
+  }));
+
+  gcc45 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.5 {
+    inherit fetchurl stdenv gmp mpfr mpc libelf zlib perl
+      gettext which noSysDirs;
+    texinfo = texinfo4;
+
+    ppl = null;
+    cloogppl = null;
+
+    # bootstrapping a profiled compiler does not work in the sheevaplug:
+    # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43944
+    profiledCompiler = !stdenv.isArm;
+
+    # When building `gcc.crossDrv' (a "Canadian cross", with host == target
+    # and host != build), `cross' must be null but the cross-libc must still
+    # be passed.
+    cross = null;
+    libcCross = if crossSystem != null then libcCross else null;
+    libpthreadCross =
+      if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+      then gnu.libpthreadCross
+      else null;
+  }));
+
+  gcc46 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.6 {
+    inherit noSysDirs;
+
+    ppl = null;
+    cloog = null;
+
+    # bootstrapping a profiled compiler does not work in the sheevaplug:
+    # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43944
+    profiledCompiler = false;
+
+    # When building `gcc.crossDrv' (a "Canadian cross", with host == target
+    # and host != build), `cross' must be null but the cross-libc must still
+    # be passed.
+    cross = null;
+    libcCross = if crossSystem != null then libcCross else null;
+    libpthreadCross =
+      if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+      then gnu.libpthreadCross
+      else null;
+    texinfo = texinfo413;
+  }));
+
+  gcc48 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.8 {
+    inherit noSysDirs;
+
+    # PGO seems to speed up compilation by gcc by ~10%, see #445 discussion
+    profiledCompiler = with stdenv; (!isDarwin && (isi686 || isx86_64));
+
+    # When building `gcc.crossDrv' (a "Canadian cross", with host == target
+    # and host != build), `cross' must be null but the cross-libc must still
+    # be passed.
+    cross = null;
+    libcCross = if crossSystem != null then libcCross else null;
+    libpthreadCross =
+      if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+      then gnu.libpthreadCross
+      else null;
+  }));
+
+  gcc48_multi =
+    if system == "x86_64-linux" then lowPrio (
+      wrapGCCWith (import ../build-support/gcc-wrapper) glibc_multi (gcc48.gcc.override {
+        stdenv = overrideGCC stdenv (wrapGCCWith (import ../build-support/gcc-wrapper) glibc_multi gcc.gcc);
+        profiledCompiler = false;
+        enableMultilib = true;
+      }))
+    else throw "Multilib gcc not supported on ‘${system}’";
+
+  gcc48_debug = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.8 {
+    stripped = false;
+
+    inherit noSysDirs;
+    cross = null;
+    libcCross = null;
+    binutilsCross = null;
+  }));
+
+  gcc49 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.9 {
+    inherit noSysDirs;
+
+    # PGO seems to speed up compilation by gcc by ~10%, see #445 discussion
+    profiledCompiler = with stdenv; (!isDarwin && (isi686 || isx86_64));
+
+    # When building `gcc.crossDrv' (a "Canadian cross", with host == target
+    # and host != build), `cross' must be null but the cross-libc must still
+    # be passed.
+    cross = null;
+    libcCross = if crossSystem != null then libcCross else null;
+    libpthreadCross =
+      if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+      then gnu.libpthreadCross
+      else null;
+  }));
+
+  gccApple =
+    assert stdenv.isDarwin;
+    wrapGCC (makeOverridable (import ../development/compilers/gcc/4.2-apple64) {
+      inherit fetchurl noSysDirs;
+      profiledCompiler = true;
+      # Since it fails to build with GCC 4.6, build it with the "native"
+      # Apple-GCC.
+      stdenv = allStdenvs.stdenvNative;
+    });
+
+  gfortran = gfortran48;
+
+  gfortran48 = wrapGCC (gcc48.gcc.override {
+    name = "gfortran";
+    langFortran = true;
+    langCC = false;
+    langC = false;
+    profiledCompiler = false;
+  });
+
+  gcj = gcj48;
+
+  gcj48 = wrapGCC (gcc48.gcc.override {
+    name = "gcj";
+    langJava = true;
+    langFortran = false;
+    langCC = false;
+    langC = false;
+    profiledCompiler = false;
+    inherit zip unzip zlib boehmgc gettext pkgconfig perl;
+    inherit gtk;
+    inherit (gnome) libart_lgpl;
+    inherit (xlibs) libX11 libXt libSM libICE libXtst libXi libXrender
+      libXrandr xproto renderproto xextproto inputproto randrproto;
+  });
+
+  gnat = gnat45;
+
+  gnat45 = wrapGCC (gcc45.gcc.override {
+    name = "gnat";
+    langCC = false;
+    langC = true;
+    langAda = true;
+    profiledCompiler = false;
+    inherit gnatboot;
+    # We can't use the ppl stuff, because we would have
+    # libstdc++ problems.
+    cloogppl = null;
+    ppl = null;
+  });
+
+  gnat46 = wrapGCC (gcc46.gcc.override {
+    name = "gnat";
+    langCC = false;
+    langC = true;
+    langAda = true;
+    profiledCompiler = false;
+    gnatboot = gnat45;
+    # We can't use the ppl stuff, because we would have
+    # libstdc++ problems.
+    ppl = null;
+    cloog = null;
+  });
+
+  gnatboot = wrapGCC (import ../development/compilers/gnatboot {
+    inherit fetchurl stdenv;
+  });
+
+  gccgo = gccgo48;
+
+  gccgo48 = wrapGCC (gcc48.gcc.override {
+    name = "gccgo";
+    langCC = true; #required for go.
+    langC = true;
+    langGo = true;
+  });
+
+  ghdl = wrapGCC (import ../development/compilers/gcc/4.3 {
+    inherit stdenv fetchurl gmp mpfr noSysDirs gnat;
+    texinfo = texinfo4;
+    name = "ghdl";
+    langVhdl = true;
+    langCC = false;
+    langC = false;
+    profiledCompiler = false;
+    enableMultilib = false;
+  });
+
+  ghdl_mcode = callPackage ../development/compilers/ghdl { };
+
+  gcl = builderDefsPackage ../development/compilers/gcl {
+    inherit mpfr m4 binutils fetchcvs emacs zlib which
+      texinfo;
+    gmp = gmp4;
+    inherit (xlibs) libX11 xproto inputproto libXi
+      libXext xextproto libXt libXaw libXmu;
+    inherit stdenv;
+    texLive = texLiveAggregationFun {
+      paths = [
+        texLive texLiveExtra
+      ];
+    };
+  };
+
+  jhc = callPackage ../development/compilers/jhc {
+    inherit (haskellPackages_ghc763) ghc binary zlib utf8String readline fgl
+      regexCompat HsSyck random;
+  };
+
+  gcc-arm-embedded-4_7 = callPackage_i686 ../development/compilers/gcc-arm-embedded {
+    version = "4.7-2013q3-20130916";
+    releaseType = "update";
+    sha256 = "1bd9bi9q80xn2rpy0rn1vvj70rh15kb7dmah0qs4q2rv78fqj40d";
+  };
+  gcc-arm-embedded-4_8 = callPackage_i686 ../development/compilers/gcc-arm-embedded {
+    version = "4.8-2014q1-20140314";
+    releaseType = "update";
+    sha256 = "ce92859550819d4a3d1a6e2672ea64882b30afa2c08cf67fa8e1d93788c2c577";
+  };
+  gcc-arm-embedded = gcc-arm-embedded-4_8;
+
+  gforth = callPackage ../development/compilers/gforth {};
+
+  # Haskell and GHC
+
+  # Import Haskell infrastructure.
+
+  haskell = let pkgs_       = pkgs // { gmp = gmp.override { withStatic = true; }; };
+                callPackage = newScope pkgs_;
+                newScope    = extra: lib.callPackageWith (pkgs_ // pkgs_.xorg // extra);
+            in callPackage ./haskell-defaults.nix { pkgs = pkgs_; inherit callPackage newScope; };
+
+  # Available GHC versions.
+
+  # For several compiler versions, we export a large set of Haskell-related
+  # packages.
+
+  # NOTE (recurseIntoAttrs): After discussion, we originally decided to
+  # enable it for all GHC versions. However, this is getting too much,
+  # particularly in connection with Hydra builds for all these packages.
+  # So we enable it for selected versions only. We build all ghcs, though
+
+  ghc = recurseIntoAttrs (lib.mapAttrs' (name: value:
+    lib.nameValuePair (builtins.substring (builtins.stringLength "packages_") (builtins.stringLength name) name) value.ghc
+  ) (lib.filterAttrs (name: value:
+    builtins.substring 0 (builtins.stringLength "packages_") name == "packages_"
+  ) haskell));
+
+  haskellPackages = haskellPackages_ghc783;
+  haskellPlatform = haskellPlatformPackages."2013_2_0_0";
+
+  haskellPackages_ghc6104 = haskell.packages_ghc6104;
+  haskellPackages_ghc6123 = haskell.packages_ghc6123;
+  haskellPackages_ghc704  = haskell.packages_ghc704;
+  haskellPackages_ghc722  = haskell.packages_ghc722;
+  haskellPackages_ghc742  = haskell.packages_ghc742;
+  haskellPackages_ghc763  = haskell.packages_ghc763;
+  haskellPackages_ghc783_no_profiling = recurseIntoAttrs haskell.packages_ghc783.noProfiling;
+  haskellPackages_ghc783_profiling    = recurseIntoAttrs haskell.packages_ghc783.profiling;
+  haskellPackages_ghc783              = recurseIntoAttrs haskell.packages_ghc783.highPrio;
+  haskellPackages_ghcHEAD = haskell.packages_ghcHEAD;
+
+  haskellPlatformPackages = recurseIntoAttrs (import ../development/libraries/haskell/haskell-platform { inherit pkgs; });
+
+  haxe = callPackage ../development/compilers/haxe { };
+
+  hhvm = callPackage ../development/compilers/hhvm { };
+  hiphopvm = hhvm; /* Compatibility alias */
+
+  falcon = callPackage ../development/interpreters/falcon { };
+
+  fsharp = callPackage ../development/compilers/fsharp {};
+
+  gem-nix = callPackage ../tools/package-management/gem-nix { };
+
+  go_1_0 = callPackage ../development/compilers/go { };
+
+  go_1_1 =
+    if stdenv.isDarwin then
+      callPackage ../development/compilers/go/1.1-darwin.nix { }
+    else
+      callPackage ../development/compilers/go/1.1.nix { };
+
+  go_1_2 = callPackage ../development/compilers/go/1.2.nix { };
+
+  go_1_3 = callPackage ../development/compilers/go/1.3.nix { };
+
+  go = go_1_3;
+
+  go-repo-root = callPackage ../development/tools/misc/go-repo-root { };
+
+  go-bindata = callPackage ../tools/misc/go-bindata { };
+
+  gox = callPackage ../development/compilers/go/gox.nix { };
+
+  gprolog = callPackage ../development/compilers/gprolog { };
+
+  gwt240 = callPackage ../development/compilers/gwt/2.4.0.nix { };
+
+  icedtea7_jdk = callPackage ../development/compilers/icedtea rec {
+    jdk = openjdk;
+    jdkPath = "${openjdk}/lib/openjdk";
+    giflib = giflib_5_0;
+  } // { outputs = [ "out" ]; };
+
+  icedtea7_jre = (lib.setName "icedtea7-${lib.getVersion pkgs.icedtea7_jdk.jre}" (lib.addMetaAttrs
+    { description = "Free Java runtime environment based on OpenJDK 7.0 and the IcedTea project"; }
+    pkgs.icedtea7_jdk.jre)) // { outputs = [ "jre" ]; };
+
+  icedtea7_web = callPackage ../development/compilers/icedtea-web {
+    jdk = "${icedtea7_jdk}/lib/icedtea";
+  };
+
+  ikarus = callPackage ../development/compilers/ikarus { };
+
+  hugs = callPackage ../development/compilers/hugs { };
+
+  path64 = callPackage ../development/compilers/path64 { };
+
+  openjdk =
+    if stdenv.isDarwin then
+      callPackage ../development/compilers/openjdk-darwin { }
+    else
+      let
+        openjdkBootstrap = callPackage ../development/compilers/openjdk/bootstrap.nix { };
+      in (callPackage ../development/compilers/openjdk {
+        jdk = openjdkBootstrap;
+      }) // { outputs = [ "out" ]; };
+
+  # FIXME: Need a way to set per-output meta attributes.
+  openjre = (lib.setName "openjre-${lib.getVersion pkgs.openjdk.jre}" (lib.addMetaAttrs
+    { description = "The open-source Java Runtime Environment"; }
+    pkgs.openjdk.jre)) // { outputs = [ "jre" ]; };
+
+  jdk = if stdenv.isDarwin || stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"
+    then pkgs.openjdk
+    else pkgs.oraclejdk;
+  jre = if stdenv.isDarwin || stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"
+    then pkgs.openjre
+    else pkgs.oraclejre;
+
+  oraclejdk = pkgs.jdkdistro true false;
+
+  oraclejdk7 = pkgs.oraclejdk7distro true false;
+
+  oraclejdk8 = pkgs.oraclejdk8distro true false;
+
+  oraclejre = lowPrio (pkgs.jdkdistro false false);
+
+  oraclejre7 = lowPrio (pkgs.oraclejdk7distro false false);
+
+  oraclejre8 = lowPrio (pkgs.oraclejdk8distro false false);
+
+  jrePlugin = lowPrio (pkgs.jdkdistro false true);
+
+  supportsJDK =
+    system == "i686-linux" ||
+    system == "x86_64-linux";
+
+  jdkdistro = installjdk: pluginSupport:
+    assert supportsJDK;
+    (if pluginSupport then appendToName "with-plugin" else x: x)
+      (callPackage ../development/compilers/oraclejdk/jdk6-linux.nix { });
+
+  oraclejdk7distro = installjdk: pluginSupport:
+    assert supportsJDK;
+    (if pluginSupport then appendToName "with-plugin" else x: x)
+      (callPackage ../development/compilers/oraclejdk/jdk7-linux.nix { inherit installjdk; });
+
+  oraclejdk8distro = installjdk: pluginSupport:
+    assert supportsJDK;
+    (if pluginSupport then appendToName "with-plugin" else x: x)
+      (callPackage ../development/compilers/oraclejdk/jdk8-linux.nix { inherit installjdk; });
+
+  jikes = callPackage ../development/compilers/jikes { };
+
+  juliaGit = callPackage ../development/compilers/julia/git-20131013.nix {
+    liblapack = liblapack.override {shared = true;};
+    llvm = llvm_33;
+    openblas = openblas_0_2_2;
+  };
+  julia021 = callPackage ../development/compilers/julia/0.2.1.nix {
+    liblapack = liblapack.override {shared = true;};
+    llvm = llvm_33;
+    openblas = openblas_0_2_2;
+  };
+  julia030 = let
+    liblapack = liblapack_3_5_0.override {shared = true;};
+  in callPackage ../development/compilers/julia/0.3.0.nix {
+    inherit liblapack;
+    suitesparse = suitesparse.override {
+      inherit liblapack;
+    };
+    llvm = llvm_34;
+    openblas = openblas_0_2_10;
+  };
+  julia = julia030;
+
+  lazarus = builderDefsPackage (import ../development/compilers/fpc/lazarus.nix) {
+    inherit makeWrapper gtk glib pango atk gdk_pixbuf;
+    inherit (xlibs) libXi inputproto libX11 xproto libXext xextproto;
+    fpc = fpc;
+  };
+
+  lessc = callPackage ../development/compilers/lessc { };
+
+  llvm = llvmPackages.llvm;
+
+  llvm_34 = llvmPackages_34.llvm;
+  llvm_33 = llvm_v ../development/compilers/llvm/3.3/llvm.nix;
+
+  llvm_v = path: callPackage path {
+    stdenv = if stdenv.isDarwin then stdenvApple else stdenv;
+  };
+
+  llvmPackages = if !stdenv.isDarwin then llvmPackages_34 else llvmPackages_34 // {
+    # until someone solves build problems with _34
+    llvm = llvm_33;
+    clang = clang_33;
+  };
+
+  llvmPackages_34 = recurseIntoAttrs (import ../development/compilers/llvm/3.4 {
+    inherit stdenv newScope fetchurl;
+    isl = isl_0_12;
+  });
+  llvmPackagesSelf = import ../development/compilers/llvm/3.4 { inherit newScope fetchurl; isl = isl_0_12; stdenv = libcxxStdenv; };
+
+  manticore = callPackage ../development/compilers/manticore { };
+
+  mentorToolchains = recurseIntoAttrs (
+    callPackage_i686 ../development/compilers/mentor {}
+  );
+
+  mercury = callPackage ../development/compilers/mercury { };
+
+  mitscheme = callPackage ../development/compilers/mit-scheme { };
+
+  mlton = callPackage ../development/compilers/mlton { };
+
+  mono = callPackage ../development/compilers/mono {
+    inherit (xlibs) libX11;
+  };
+
+  monoDLLFixer = callPackage ../build-support/mono-dll-fixer { };
+
+  mozart = callPackage ../development/compilers/mozart { };
+
+  neko = callPackage ../development/compilers/neko { };
+
+  nasm = callPackage ../development/compilers/nasm { };
+
+  nvidia_cg_toolkit = callPackage ../development/compilers/nvidia-cg-toolkit { };
+
+  ocaml = ocamlPackages.ocaml;
+
+  ocaml_3_08_0 = callPackage ../development/compilers/ocaml/3.08.0.nix { };
+
+  ocaml_3_10_0 = callPackage ../development/compilers/ocaml/3.10.0.nix { };
+
+  ocaml_3_11_2 = callPackage ../development/compilers/ocaml/3.11.2.nix { };
+
+  ocaml_3_12_1 = callPackage ../development/compilers/ocaml/3.12.1.nix { };
+
+  ocaml_4_00_1 = callPackage ../development/compilers/ocaml/4.00.1.nix { };
+
+  ocaml_4_01_0 = callPackage ../development/compilers/ocaml/4.01.0.nix { };
+
+  ocaml_4_02_0 = callPackage ../development/compilers/ocaml/4.02.0.nix { };
+
+  orc = callPackage ../development/compilers/orc { };
+
+  metaocaml_3_09 = callPackage ../development/compilers/ocaml/metaocaml-3.09.nix { };
+
+  ber_metaocaml_003 = callPackage ../development/compilers/ocaml/ber-metaocaml-003.nix { };
+
+  mkOcamlPackages = ocaml: self:
+    let
+      callPackage = newScope self;
+      ocaml_version = (builtins.parseDrvName ocaml.name).version;
+    in rec {
+    inherit ocaml;
+
+    camlidl = callPackage ../development/tools/ocaml/camlidl { };
+
+    camlp4 =
+      if lib.versionOlder "4.02" ocaml_version
+      then callPackage ../development/tools/ocaml/camlp4 { }
+      else null;
+
+    camlp5_old_strict =
+      if lib.versionOlder "4.00" ocaml_version
+      then camlp5_6_strict
+      else callPackage ../development/tools/ocaml/camlp5/5.15.nix { };
+
+    camlp5_old_transitional =
+      if lib.versionOlder "4.00" ocaml_version
+      then camlp5_6_transitional
+      else callPackage ../development/tools/ocaml/camlp5/5.15.nix {
+        transitional = true;
+      };
+
+    camlp5_6_strict = callPackage ../development/tools/ocaml/camlp5 { };
+
+    camlp5_6_transitional = callPackage ../development/tools/ocaml/camlp5 {
+      transitional = true;
+    };
+
+    camlp5_strict = camlp5_6_strict;
+
+    camlp5_transitional = camlp5_6_transitional;
+
+    calendar = callPackage ../development/ocaml-modules/calendar { };
+
+    camlzip = callPackage ../development/ocaml-modules/camlzip { };
+
+    camomile_0_8_2 = callPackage ../development/ocaml-modules/camomile/0.8.2.nix { };
+    camomile = callPackage ../development/ocaml-modules/camomile { };
+
+    camlimages = callPackage ../development/ocaml-modules/camlimages {
+      libpng = libpng12;
+      giflib = giflib_4_1;
+    };
+
+    biniou = callPackage ../development/ocaml-modules/biniou { };
+
+    ocaml_cairo = callPackage ../development/ocaml-modules/ocaml-cairo { };
+
+    cmdliner = callPackage ../development/ocaml-modules/cmdliner { };
+
+    cppo = callPackage ../development/tools/ocaml/cppo { };
+
+    cryptokit = callPackage ../development/ocaml-modules/cryptokit { };
+
+    csv = callPackage ../development/ocaml-modules/csv { };
+
+    deriving = callPackage ../development/tools/ocaml/deriving { };
+
+    easy-format = callPackage ../development/ocaml-modules/easy-format { };
+
+    eliom = callPackage ../development/ocaml-modules/eliom { };
+
+    findlib = callPackage ../development/tools/ocaml/findlib { };
+
+    fix = callPackage ../development/ocaml-modules/fix { };
+
+    functory = callPackage ../development/ocaml-modules/functory { };
+
+    javalib = callPackage ../development/ocaml-modules/javalib {
+      extlib = ocaml_extlib_maximal;
+    };
+
+    dypgen = callPackage ../development/ocaml-modules/dypgen { };
+
+    patoline = callPackage ../tools/typesetting/patoline { };
+
+    gmetadom = callPackage ../development/ocaml-modules/gmetadom { };
+
+    js_of_ocaml = callPackage ../development/tools/ocaml/js_of_ocaml { };
+
+    lablgl = callPackage ../development/ocaml-modules/lablgl { };
+
+    lablgtk_2_14 = callPackage ../development/ocaml-modules/lablgtk/2.14.0.nix {
+      inherit (gnome) libgnomecanvas libglade gtksourceview;
+    };
+    lablgtk = callPackage ../development/ocaml-modules/lablgtk {
+      inherit (gnome) libgnomecanvas libglade gtksourceview;
+    };
+
+    lablgtkmathview = callPackage ../development/ocaml-modules/lablgtkmathview {
+      gtkmathview = callPackage ../development/libraries/gtkmathview { };
+    };
+
+    lambdaTerm = callPackage ../development/ocaml-modules/lambda-term { };
+
+    macaque = callPackage ../development/ocaml-modules/macaque { };
+
+    menhir = callPackage ../development/ocaml-modules/menhir { };
+
+    merlin = callPackage ../development/tools/ocaml/merlin { };
+
+    mezzo = callPackage ../development/compilers/mezzo { };
+
+    mldonkey = callPackage ../applications/networking/p2p/mldonkey { };
+
+    mlgmp =  callPackage ../development/ocaml-modules/mlgmp { };
+
+    ocaml_batteries = callPackage ../development/ocaml-modules/batteries { };
+
+    ocaml_cryptgps = callPackage ../development/ocaml-modules/cryptgps { };
+
+    ocaml_data_notation = callPackage ../development/ocaml-modules/odn { };
+
+    ocaml_expat = callPackage ../development/ocaml-modules/expat { };
+
+    ocamlgraph = callPackage ../development/ocaml-modules/ocamlgraph { };
+
+    ocaml_http = callPackage ../development/ocaml-modules/http { };
+
+    ocamlify = callPackage ../development/tools/ocaml/ocamlify { };
+
+    ocaml_ipaddr = callPackage ../development/ocaml-modules/ocaml-ipaddr { };
+
+    ocaml_lwt = callPackage ../development/ocaml-modules/lwt { };
+
+    ocamlmod = callPackage ../development/tools/ocaml/ocamlmod { };
+
+    ocaml_mysql = callPackage ../development/ocaml-modules/mysql { };
+
+    ocamlnet = callPackage ../development/ocaml-modules/ocamlnet { };
+
+    ocaml_oasis = callPackage ../development/tools/ocaml/oasis { };
+
+    ocaml_optcomp = callPackage ../development/ocaml-modules/optcomp { };
+
+    ocaml_pcre = callPackage ../development/ocaml-modules/pcre {
+      inherit pcre;
+    };
+
+    pgocaml = callPackage ../development/ocaml-modules/pgocaml {};
+
+    ocaml_react = callPackage ../development/ocaml-modules/react { };
+    reactivedata = callPackage ../development/ocaml-modules/reactivedata {};
+
+    ocamlsdl= callPackage ../development/ocaml-modules/ocamlsdl { };
+
+    ocaml_sqlite3 = callPackage ../development/ocaml-modules/sqlite3 { };
+
+    ocaml_ssl = callPackage ../development/ocaml-modules/ssl { };
+
+    ocaml_text = callPackage ../development/ocaml-modules/ocaml-text { };
+
+    ocsigen_server = callPackage ../development/ocaml-modules/ocsigen-server { };
+
+    ounit = callPackage ../development/ocaml-modules/ounit { };
+
+    tyxml = callPackage ../development/ocaml-modules/tyxml { };
+
+    ulex = callPackage ../development/ocaml-modules/ulex { };
+
+    ulex08 = callPackage ../development/ocaml-modules/ulex/0.8 {
+      camlp5 = camlp5_transitional;
+    };
+
+    typeconv_108_08_00 = callPackage ../development/ocaml-modules/typeconv/108.08.00.nix { };
+    ocaml_typeconv =
+      if lib.versionOlder "4.00" ocaml_version
+      then callPackage ../development/ocaml-modules/typeconv { }
+      else if lib.versionOlder "3.12" ocaml_version
+      then typeconv_108_08_00
+      else null;
+
+    sexplib_108_08_00 = callPackage ../development/ocaml-modules/sexplib/108.08.00.nix {
+      typeconv = typeconv_108_08_00;
+    };
+    ocaml_sexplib =
+      if lib.versionOlder "4.00" ocaml_version
+      then callPackage ../development/ocaml-modules/sexplib { }
+      else if lib.versionOlder "3.12" ocaml_version
+      then sexplib_108_08_00
+      else null;
+
+    ocaml_extlib = callPackage ../development/ocaml-modules/extlib { };
+    ocaml_extlib_maximal = callPackage ../development/ocaml-modules/extlib {
+      minimal = false;
+    };
+
+    pprint = callPackage ../development/ocaml-modules/pprint { };
+
+    pycaml = callPackage ../development/ocaml-modules/pycaml { };
+
+    sqlite3EZ = callPackage ../development/ocaml-modules/sqlite3EZ { };
+
+    twt = callPackage ../development/ocaml-modules/twt { };
+
+    utop = callPackage ../development/tools/ocaml/utop { };
+
+    sawja = callPackage ../development/ocaml-modules/sawja { };
+
+    uucd = callPackage ../development/ocaml-modules/uucd { };
+    uunf = callPackage ../development/ocaml-modules/uunf { };
+    uutf = callPackage ../development/ocaml-modules/uutf { };
+    xmlm = callPackage ../development/ocaml-modules/xmlm { };
+
+    yojson = callPackage ../development/ocaml-modules/yojson { };
+
+    zarith = callPackage ../development/ocaml-modules/zarith { };
+
+    zed = callPackage ../development/ocaml-modules/zed { };
+
+    ocsigen_deriving = callPackage ../development/ocaml-modules/ocsigen-deriving { };
+
+  };
+
+  ocamlPackages = recurseIntoAttrs ocamlPackages_4_01_0;
+  ocamlPackages_3_10_0 = (mkOcamlPackages ocaml_3_10_0 pkgs.ocamlPackages_3_10_0)
+  // { lablgtk = ocamlPackages_3_10_0.lablgtk_2_14; };
+  ocamlPackages_3_11_2 = (mkOcamlPackages ocaml_3_11_2 pkgs.ocamlPackages_3_11_2)
+  // { lablgtk = ocamlPackages_3_11_2.lablgtk_2_14; };
+  ocamlPackages_3_12_1 = mkOcamlPackages ocaml_3_12_1 pkgs.ocamlPackages_3_12_1;
+  ocamlPackages_4_00_1 = mkOcamlPackages ocaml_4_00_1 pkgs.ocamlPackages_4_00_1;
+  ocamlPackages_4_01_0 = mkOcamlPackages ocaml_4_01_0 pkgs.ocamlPackages_4_01_0;
+  ocamlPackages_4_02_0 = mkOcamlPackages ocaml_4_02_0 pkgs.ocamlPackages_4_02_0;
+  ocamlPackages_latest = ocamlPackages_4_02_0;
+
+  ocaml_make = callPackage ../development/ocaml-modules/ocamlmake { };
+
+  opa = let callPackage = newScope pkgs.ocamlPackages_4_00_1; in callPackage ../development/compilers/opa { };
+
+  opam_1_0_0 = callPackage ../development/tools/ocaml/opam/1.0.0.nix { };
+  opam_1_1 = callPackage ../development/tools/ocaml/opam/1.1.nix {
+    inherit (ocamlPackages_4_01_0) ocaml;
+  };
+  opam = opam_1_1;
+
+  ocamlnat = let callPackage = newScope pkgs.ocamlPackages_3_12_1; in callPackage ../development/ocaml-modules/ocamlnat { };
+
+  qcmm = callPackage ../development/compilers/qcmm {
+    lua   = lua4;
+    ocaml = ocaml_3_08_0;
+  };
+
+  roadsend = callPackage ../development/compilers/roadsend { };
+
+  rustc       = callPackage ../development/compilers/rustc/0.11.nix {};
+  rustcMaster = callPackage ../development/compilers/rustc/head.nix {};
+
+  rust = rustc;
+
+
+  sbclBootstrap = callPackage ../development/compilers/sbcl/bootstrap.nix {};
+  sbcl = callPackage ../development/compilers/sbcl {
+    clisp = clisp;
+  };
+  # For ACL2
+  sbcl_1_2_0 = callPackage ../development/compilers/sbcl/1.2.0.nix {
+    clisp = clisp;
+  };
+
+  scala_2_9 = callPackage ../development/compilers/scala/2.9.nix { };
+  scala_2_10 = callPackage ../development/compilers/scala/2.10.nix { };
+  scala_2_11 = callPackage ../development/compilers/scala { };
+  scala = scala_2_11;
+
+  sdcc = callPackage ../development/compilers/sdcc { };
+
+  smlnjBootstrap = callPackage ../development/compilers/smlnj/bootstrap.nix { };
+  smlnj = callPackage_i686 ../development/compilers/smlnj { };
+
+  stalin = callPackage ../development/compilers/stalin { };
+
+  strategoPackages = recurseIntoAttrs strategoPackages018;
+
+  strategoPackages016 = callPackage ../development/compilers/strategoxt/0.16.nix {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  strategoPackages017 = callPackage ../development/compilers/strategoxt/0.17.nix {
+    readline = readline5;
+  };
+
+  strategoPackages018 = callPackage ../development/compilers/strategoxt/0.18.nix {
+    readline = readline5;
+  };
+
+  metaBuildEnv = callPackage ../development/compilers/meta-environment/meta-build-env { };
+
+  swiProlog = callPackage ../development/compilers/swi-prolog { };
+
+  tbb = callPackage ../development/libraries/tbb { };
+
+  tinycc = callPackage ../development/compilers/tinycc { };
+
+  urweb = callPackage ../development/compilers/urweb { };
+
+  vala = callPackage ../development/compilers/vala/default.nix { };
+
+  visualcpp = callPackage ../development/compilers/visual-c++ { };
+
+  vs90wrapper = callPackage ../development/compilers/vs90wrapper { };
+
+  webdsl = callPackage ../development/compilers/webdsl { };
+
+  win32hello = callPackage ../development/compilers/visual-c++/test { };
+
+  wrapGCCWith = gccWrapper: glibc: baseGCC: gccWrapper {
+    nativeTools = stdenv ? gcc && stdenv.gcc.nativeTools;
+    nativeLibc = stdenv ? gcc && stdenv.gcc.nativeLibc;
+    nativePrefix = if stdenv ? gcc then stdenv.gcc.nativePrefix else "";
+    gcc = baseGCC;
+    libc = glibc;
+    shell = bash;
+    inherit stdenv binutils coreutils zlib;
+  };
+
+  wrapClangWith = clangWrapper: glibc: baseClang: clangWrapper {
+    nativeTools = stdenv.gcc.nativeTools or false;
+    nativeLibc = stdenv.gcc.nativeLibc or false;
+    nativePrefix = stdenv.gcc.nativePrefix or "";
+    clang = baseClang;
+    libc = glibc;
+    shell = bash;
+    binutils = stdenv.gcc.binutils;
+    inherit stdenv coreutils zlib;
+  };
+
+  wrapClang = wrapClangWith (makeOverridable (import ../build-support/clang-wrapper)) glibc;
+
+  wrapGCC = wrapGCCWith (makeOverridable (import ../build-support/gcc-wrapper)) glibc;
+
+  wrapGCCCross =
+    {gcc, libc, binutils, cross, shell ? "", name ? "gcc-cross-wrapper"}:
+
+    forceNativeDrv (import ../build-support/gcc-cross-wrapper {
+      nativeTools = false;
+      nativeLibc = false;
+      noLibc = (libc == null);
+      inherit stdenv gcc binutils libc shell name cross;
+    });
+
+  # prolog
+  yap = callPackage ../development/compilers/yap { };
+
+  yasm = callPackage ../development/compilers/yasm { };
+
+
+  ### DEVELOPMENT / INTERPRETERS
+
+  acl2 = builderDefsPackage ../development/interpreters/acl2 {
+    sbcl = sbcl_1_2_0;
+  };
+
+  angelscript = callPackage ../development/interpreters/angelscript {};
+
+  chibi = callPackage ../development/interpreters/chibi { };
+
+  clisp = callPackage ../development/interpreters/clisp { };
+
+  # compatibility issues in 2.47 - at list 2.44.1 is known good
+  # for sbcl bootstrap
+  clisp_2_44_1 = callPackage ../development/interpreters/clisp/2.44.1.nix {
+    libsigsegv = libsigsegv_25;
+  };
+
+  clojure = callPackage ../development/interpreters/clojure { };
+
+  clooj = callPackage ../development/interpreters/clojure/clooj.nix { };
+
+  erlangR14 = callPackage ../development/interpreters/erlang/R14.nix { };
+  erlangR15 = callPackage ../development/interpreters/erlang/R15.nix { };
+  erlangR16 = callPackage ../development/interpreters/erlang/R16.nix { };
+  erlangR16_odbc = callPackage ../development/interpreters/erlang/R16.nix { odbcSupport = true; };
+  erlangR17 = callPackage ../development/interpreters/erlang/R17.nix { };
+  erlangR17_odbc = callPackage ../development/interpreters/erlang/R17.nix { odbcSupport = true; };
+  erlang = erlangR17;
+  erlang_odbc = erlangR17_odbc;
+
+  rebar = callPackage ../development/tools/build-managers/rebar { };
+
+  elixir = callPackage ../development/interpreters/elixir { };
+
+  groovy = callPackage ../development/interpreters/groovy { };
+
+  guile_1_8 = callPackage ../development/interpreters/guile/1.8.nix { };
+
+  guile_2_0 = callPackage ../development/interpreters/guile { };
+
+  guile = guile_2_0;
+
+  hadoop = callPackage ../applications/networking/cluster/hadoop { };
+
+  io = callPackage ../development/interpreters/io { };
+
+  j = callPackage ../development/interpreters/j {};
+
+  jimtcl = callPackage ../development/interpreters/jimtcl {};
+
+  jmeter = callPackage ../applications/networking/jmeter {};
+
+  davmail = callPackage ../applications/networking/davmail {};
+
+  lxappearance = callPackage ../applications/misc/lxappearance {};
+
+  kona = callPackage ../development/interpreters/kona {};
+
+  love = callPackage ../development/interpreters/love {lua=lua5_1;};
+  love_luajit = callPackage ../development/interpreters/love {lua=luajit;};
+  love_0_9 = callPackage ../development/interpreters/love/0.9.nix { };
+
+  ### LUA MODULES
+
+  lua4 = callPackage ../development/interpreters/lua-4 { };
+  lua5_0 = callPackage ../development/interpreters/lua-5/5.0.3.nix { };
+  lua5_1 = callPackage ../development/interpreters/lua-5/5.1.nix { };
+  lua5_2 = callPackage ../development/interpreters/lua-5/5.2.nix { };
+  lua5_2_compat = callPackage ../development/interpreters/lua-5/5.2.nix {
+    compat = true;
+  };
+  lua5 = lua5_2_compat;
+  lua = lua5;
+
+  lua51Packages = recurseIntoAttrs (callPackage ./lua-packages.nix { lua = lua5_1; });
+  lua52Packages = recurseIntoAttrs (callPackage ./lua-packages.nix { lua = lua5_2; });
+
+  luaPackages = lua52Packages;
+
+  lua5_1_sockets = lua51Packages.luasocket;
+
+  lua5_expat = callPackage ../development/interpreters/lua-5/expat.nix {};
+  lua5_sec = callPackage ../development/interpreters/lua-5/sec.nix { };
+
+  luajit = callPackage ../development/interpreters/luajit {};
+
+  luarocks = luaPackages.luarocks;
+
+  ### END OF LUA
+
+  lush2 = callPackage ../development/interpreters/lush {};
+
+  maude = callPackage ../development/interpreters/maude {
+    bison = bison2;
+    flex = flex_2_5_35;
+  };
+
+  mesos = callPackage ../applications/networking/cluster/mesos {
+    sasl = cyrus_sasl;
+    automake = automake114x;
+    inherit (pythonPackages) python boto setuptools distutils-cfg wrapPython;
+    pythonProtobuf = pythonPackages.protobuf;
+  };
+
+  nix-exec = callPackage ../development/interpreters/nix-exec {
+    nix = nixUnstable;
+  };
+
+  octave = callPackage ../development/interpreters/octave {
+    fltk = fltk13;
+    qt = null;
+    ghostscript = null;
+    llvm = null;
+    hdf5 = null;
+    glpk = null;
+    suitesparse = null;
+    openjdk = null;
+    gnuplot = null;
+  };
+  octaveFull = (lowPrio (callPackage ../development/interpreters/octave {
+    fltk = fltk13;
+    qt = qt4;
+  }));
+
+  # mercurial (hg) bleeding edge version
+  octaveHG = callPackage ../development/interpreters/octave/hg.nix { };
+
+  ocropus = callPackage ../applications/misc/ocropus { };
+
+  perl514 = callPackage ../development/interpreters/perl/5.14 { };
+
+  perl516 = callPackage ../development/interpreters/perl/5.16 {
+    fetchurl = fetchurlBoot;
+  };
+
+  perl520 = callPackage ../development/interpreters/perl/5.20 { };
+
+  perl = if system != "i686-cygwin" then perl516 else sysPerl;
+
+  php = php54;
+
+  phpPackages = recurseIntoAttrs (import ./php-packages.nix {
+    inherit php pkgs;
+  });
+
+  php53 = callPackage ../development/interpreters/php/5.3.nix { };
+
+  php_fpm53 = callPackage ../development/interpreters/php/5.3.nix {
+    config = config // {
+      php = (config.php or {}) // {
+        fpm = true;
+        apxs2 = false;
+      };
+    };
+  };
+
+  php54 = callPackage ../development/interpreters/php/5.4.nix { };
+
+  picolisp = callPackage ../development/interpreters/picolisp {};
+
+  pltScheme = racket; # just to be sure
+
+  polyml = callPackage ../development/compilers/polyml { };
+
+  pure = callPackage ../development/interpreters/pure {
+    llvm = llvm_34 ;
+  };
+
+  python = python2;
+  python2 = python27;
+  python3 = python34;
+
+  # pythonPackages further below, but assigned here because they need to be in sync
+  pythonPackages = python2Packages;
+  python2Packages = python27Packages;
+  python3Packages = python34Packages;
+
+  pythonFull = python2Full;
+  python2Full = python27Full;
+
+  python26 = callPackage ../development/interpreters/python/2.6 { db = db47; };
+  python27 = callPackage ../development/interpreters/python/2.7 { };
+  python32 = callPackage ../development/interpreters/python/3.2 { };
+  python33 = callPackage ../development/interpreters/python/3.3 { };
+  python34 = hiPrio (callPackage ../development/interpreters/python/3.4 { });
+
+  pypy = callPackage ../development/interpreters/pypy/2.4 { };
+
+  python26Full = callPackage ../development/interpreters/python/wrapper.nix {
+    extraLibs = [];
+    postBuild = "";
+    python = python26;
+    inherit (python26Packages) recursivePthLoader;
+  };
+  python27Full = callPackage ../development/interpreters/python/wrapper.nix {
+    extraLibs = [];
+    postBuild = "";
+    python = python27;
+    inherit (python27Packages) recursivePthLoader;
+  };
+
+  python2nix = callPackage ../tools/package-management/python2nix { };
+
+  pythonDocs = recurseIntoAttrs (import ../development/interpreters/python/docs {
+    inherit stdenv fetchurl lib;
+  });
+
+  pythonLinkmeWrapper = callPackage ../development/interpreters/python/python-linkme-wrapper.nix { };
+
+  pypi2nix = python27Packages.pypi2nix;
+
+  svg2tikz = python27Packages.svg2tikz;
+
+  pyrex = pyrex095;
+
+  pyrex095 = callPackage ../development/interpreters/pyrex/0.9.5.nix { };
+
+  pyrex096 = callPackage ../development/interpreters/pyrex/0.9.6.nix { };
+
+  qi = callPackage ../development/compilers/qi { };
+
+  racket = callPackage ../development/interpreters/racket { };
+
+  rakudo = callPackage ../development/interpreters/rakudo { };
+
+  rascal = callPackage ../development/interpreters/rascal { };
+
+  regina = callPackage ../development/interpreters/regina { };
+
+  renpy = callPackage ../development/interpreters/renpy {
+    wrapPython = pythonPackages.wrapPython;
+  };
+
+  ruby_1_8_7 = callPackage ../development/interpreters/ruby/ruby-1.8.7.nix { };
+  ruby_1_9_3 = callPackage ../development/interpreters/ruby/ruby-1.9.3.nix { };
+  ruby_2_0_0 = lowPrio (callPackage ../development/interpreters/ruby/ruby-2.0.0.nix { });
+  ruby_2_1_0 = lowPrio (callPackage ../development/interpreters/ruby/ruby-2.1.0.nix { });
+  ruby_2_1_1 = lowPrio (callPackage ../development/interpreters/ruby/ruby-2.1.1.nix { });
+  ruby_2_1_2 = lowPrio (callPackage ../development/interpreters/ruby/ruby-2.1.2.nix { });
+
+  # Ruby aliases
+  ruby = ruby_1_9;
+  ruby_1_8 = ruby_1_8_7;
+  ruby_1_9 = ruby_1_9_3;
+  ruby_2_0 = ruby_2_0_0;
+  ruby_2_1 = ruby_2_1_2;
+
+  rubyLibs = recurseIntoAttrs (callPackage ../development/interpreters/ruby/libs.nix { });
+
+  rake = rubyLibs.rake;
+
+  rubySqlite3 = callPackage ../development/ruby-modules/sqlite3 { };
+
+  rubygemsFun = ruby: builderDefsPackage (import ../development/interpreters/ruby/rubygems.nix) {
+    inherit ruby makeWrapper;
+  };
+  rubygems = hiPrio (rubygemsFun ruby);
+
+  rq = callPackage ../applications/networking/cluster/rq { };
+
+  scsh = callPackage ../development/interpreters/scsh { };
+
+  scheme48 = callPackage ../development/interpreters/scheme48 { };
+
+  self = callPackage_i686 ../development/interpreters/self { };
+
+  spark = callPackage ../applications/networking/cluster/spark { };
+
+  spidermonkey = callPackage ../development/interpreters/spidermonkey { };
+  spidermonkey_1_8_0rc1 = callPackage ../development/interpreters/spidermonkey/1.8.0-rc1.nix { };
+  spidermonkey_185 = callPackage ../development/interpreters/spidermonkey/185-1.0.0.nix { };
+  spidermonkey_17 = callPackage ../development/interpreters/spidermonkey/17.0.nix { };
+  spidermonkey_24 = callPackage ../development/interpreters/spidermonkey/24.2.nix { };
+
+  supercollider = callPackage ../development/interpreters/supercollider {
+    qt = qt4;
+    fftw = fftwSinglePrec;
+  };
+
+  supercollider_scel = supercollider.override { useSCEL = true; };
+
+  sysPerl = callPackage ../development/interpreters/perl/sys-perl { };
+
+  tcl = callPackage ../development/interpreters/tcl { };
+
+  xulrunner = callPackage ../development/interpreters/xulrunner {
+    inherit (gnome) libIDL;
+    inherit (pythonPackages) pysqlite;
+  };
+
+
+  ### DEVELOPMENT / MISC
+
+  amdadlsdk = callPackage ../development/misc/amdadl-sdk { };
+
+  amdappsdk26 = callPackage ../development/misc/amdapp-sdk {
+    version = "2.6";
+  };
+
+  amdappsdk27 = callPackage ../development/misc/amdapp-sdk {
+    version = "2.7";
+  };
+
+  amdappsdk28 = callPackage ../development/misc/amdapp-sdk {
+    version = "2.8";
+  };
+
+  amdappsdk = amdappsdk28;
+
+  amdappsdkFull = callPackage ../development/misc/amdapp-sdk {
+    version = "2.8";
+    samples = true;
+  };
+
+  avrgcclibc = callPackage ../development/misc/avr-gcc-with-avr-libc {
+    gcc = gcc46;
+    stdenv = overrideGCC stdenv gcc46;
+  };
+
+  avr8burnomat = callPackage ../development/misc/avr8-burn-omat { };
+
+  sourceFromHead = import ../build-support/source-from-head-fun.nix {
+    inherit config;
+  };
+
+  ecj = callPackage ../development/eclipse/ecj { };
+
+  jdtsdk = callPackage ../development/eclipse/jdt-sdk { };
+
+  jruby165 = callPackage ../development/interpreters/jruby { };
+
+  guileCairo = callPackage ../development/guile-modules/guile-cairo { };
+
+  guileGnome = callPackage ../development/guile-modules/guile-gnome {
+    gconf = gnome.GConf;
+    inherit (gnome) gnome_vfs libglade libgnome libgnomecanvas libgnomeui;
+  };
+
+  guile_lib = callPackage ../development/guile-modules/guile-lib { };
+
+  guile_ncurses = callPackage ../development/guile-modules/guile-ncurses { };
+
+  guile-xcb = callPackage ../development/guile-modules/guile-xcb { };
+
+  pharo-vm = callPackage_i686 ../development/pharo/vm { };
+  pharo-launcher = callPackage ../development/pharo/launcher { };
+
+  srecord = callPackage ../development/tools/misc/srecord { };
+
+  windowssdk = (
+    import ../development/misc/windows-sdk {
+      inherit fetchurl stdenv cabextract;
+    });
+
+
+  ### DEVELOPMENT / TOOLS
+
+  ansible = callPackage ../tools/system/ansible { };
+
+  antlr = callPackage ../development/tools/parsing/antlr/2.7.7.nix { };
+
+  antlr3 = callPackage ../development/tools/parsing/antlr { };
+
+  ant = apacheAnt;
+
+  apacheAnt = callPackage ../development/tools/build-managers/apache-ant { };
+
+  astyle = callPackage ../development/tools/misc/astyle { };
+
+  autobuild = callPackage ../development/tools/misc/autobuild { };
+
+  autoconf = callPackage ../development/tools/misc/autoconf { };
+
+  autoconf213 = callPackage ../development/tools/misc/autoconf/2.13.nix { };
+
+  autocutsel = callPackage ../tools/X11/autocutsel{ };
+
+  automake = automake112x;
+
+  automake111x = callPackage ../development/tools/misc/automake/automake-1.11.x.nix { };
+
+  automake112x = callPackage ../development/tools/misc/automake/automake-1.12.x.nix { };
+
+  automake113x = callPackage ../development/tools/misc/automake/automake-1.13.x.nix { };
+
+  automake114x = callPackage ../development/tools/misc/automake/automake-1.14.x.nix { };
+
+  automoc4 = callPackage ../development/tools/misc/automoc4 { };
+
+  avrdude = callPackage ../development/tools/misc/avrdude { };
+
+  avarice = callPackage ../development/tools/misc/avarice { };
+
+  babeltrace = callPackage ../development/tools/misc/babeltrace { };
+
+  bam = callPackage ../development/tools/build-managers/bam {};
+
+  binutils = if stdenv.isDarwin
+    then stdenv.gcc.binutils
+    else callPackage ../development/tools/misc/binutils {
+      inherit noSysDirs;
+    };
+
+  binutils_nogold = lowPrio (callPackage ../development/tools/misc/binutils {
+    inherit noSysDirs;
+    gold = false;
+  });
+
+  binutilsCross =
+    if crossSystem != null && crossSystem.libc == "libSystem" then darwin.cctools
+    else lowPrio (forceNativeDrv (import ../development/tools/misc/binutils {
+      inherit stdenv fetchurl zlib bison;
+      noSysDirs = true;
+      cross = assert crossSystem != null; crossSystem;
+    }));
+
+  bison2 = callPackage ../development/tools/parsing/bison/2.x.nix { };
+  bison3 = callPackage ../development/tools/parsing/bison/3.x.nix { };
+  bison = bison3;
+
+  bossa = callPackage ../development/tools/misc/bossa {
+    wxGTK = wxGTK30;
+  };
+
+  buildbot = callPackage ../development/tools/build-managers/buildbot {
+    inherit (pythonPackages) twisted jinja2 sqlalchemy sqlalchemy_migrate;
+    dateutil = pythonPackages.dateutil_1_5;
+  };
+
+  buildbotSlave = callPackage ../development/tools/build-managers/buildbot-slave {
+    inherit (pythonPackages) twisted;
+  };
+
+  byacc = callPackage ../development/tools/parsing/byacc { };
+
+  cargoSnapshot = callPackage ../development/tools/build-managers/cargo/snapshot.nix { };
+
+  casperjs = callPackage ../development/tools/casperjs { };
+
+  cbrowser = callPackage ../development/tools/misc/cbrowser { };
+
+  ccache = callPackage ../development/tools/misc/ccache { };
+
+  # Wrapper that works as gcc or g++
+  # It can be used by setting in nixpkgs config like this, for example:
+  #    replaceStdenv = { pkgs }: pkgs.ccacheStdenv;
+  # But if you build in chroot, you should have that path in chroot
+  # If instantiated directly, it will use the HOME/.ccache as cache directory.
+  # You can use an override in packageOverrides to set extraConfig:
+  #    packageOverrides = pkgs: {
+  #     ccacheWrapper = pkgs.ccacheWrapper.override {
+  #       extraConfig = ''
+  #         CCACHE_COMPRESS=1
+  #         CCACHE_DIR=/bin/.ccache
+  #       '';
+  #     };
+  #
+  ccacheWrapper = makeOverridable ({ extraConfig ? "" }:
+     wrapGCC (ccache.links extraConfig)) {};
+  ccacheStdenv = lowPrio (overrideGCC stdenv ccacheWrapper);
+
+  cccc = callPackage ../development/tools/analysis/cccc { };
+
+  cgdb = callPackage ../development/tools/misc/cgdb { };
+
+  chromedriver = callPackage ../development/tools/selenium/chromedriver { gconf = gnome.GConf; };
+
+  chrpath = callPackage ../development/tools/misc/chrpath { };
+
+  "cl-launch" = callPackage ../development/tools/misc/cl-launch {};
+
+  complexity = callPackage ../development/tools/misc/complexity { };
+
+  ctags = callPackage ../development/tools/misc/ctags { };
+
+  ctagsWrapped = import ../development/tools/misc/ctags/wrapped.nix {
+    inherit pkgs ctags writeScriptBin;
+  };
+
+  cmake = callPackage ../development/tools/build-managers/cmake { };
+
+  cmake264 = callPackage ../development/tools/build-managers/cmake/264.nix { };
+
+  cmakeCurses = cmake.override { useNcurses = true; };
+
+  cmakeWithGui = cmakeCurses.override { useQt4 = true; };
+
+  coccinelle = callPackage ../development/tools/misc/coccinelle { };
+
+  framac = callPackage ../development/tools/analysis/frama-c { };
+
+  cppi = callPackage ../development/tools/misc/cppi { };
+
+  cproto = callPackage ../development/tools/misc/cproto { };
+
+  cflow = callPackage ../development/tools/misc/cflow { };
+
+  cov-build = callPackage ../development/tools/analysis/cov-build {};
+
+  cppcheck = callPackage ../development/tools/analysis/cppcheck { };
+
+  cscope = callPackage ../development/tools/misc/cscope { };
+
+  csslint = callPackage ../development/web/csslint { };
+
+  libcxx = callPackage ../development/libraries/libc++ { stdenv = pkgs.clangStdenv; };
+  libcxxabi = callPackage ../development/libraries/libc++abi { stdenv = pkgs.clangStdenv; };
+
+  libsigrok = callPackage ../development/tools/libsigrok { };
+
+  libsigrokdecode = callPackage ../development/tools/libsigrokdecode { };
+
+  dejagnu = callPackage ../development/tools/misc/dejagnu { };
+
+  dfeet = callPackage ../development/tools/misc/d-feet {
+    inherit (pythonPackages) pep8;
+  };
+
+  dfu-programmer = callPackage ../development/tools/misc/dfu-programmer { };
+
+  ddd = callPackage ../development/tools/misc/ddd { };
+
+  distcc = callPackage ../development/tools/misc/distcc { };
+
+  # distccWrapper: wrapper that works as gcc or g++
+  # It can be used by setting in nixpkgs config like this, for example:
+  #    replaceStdenv = { pkgs }: pkgs.distccStdenv;
+  # But if you build in chroot, a default 'nix' will create
+  # a new net namespace, and won't have network access.
+  # You can use an override in packageOverrides to set extraConfig:
+  #    packageOverrides = pkgs: {
+  #     distccWrapper = pkgs.distccWrapper.override {
+  #       extraConfig = ''
+  #         DISTCC_HOSTS="myhost1 myhost2"
+  #       '';
+  #     };
+  #
+  distccWrapper = makeOverridable ({ extraConfig ? "" }:
+     wrapGCC (distcc.links extraConfig)) {};
+  distccStdenv = lowPrio (overrideGCC stdenv distccWrapper);
+
+  distccMasquerade = callPackage ../development/tools/misc/distcc/masq.nix {
+    gccRaw = gcc.gcc;
+    binutils = binutils;
+  };
+
+  docutils = builderDefsPackage (import ../development/tools/documentation/docutils) {
+    inherit python pil makeWrapper;
+  };
+
+  doxygen = callPackage ../development/tools/documentation/doxygen {
+    qt4 = null;
+  };
+
+  doxygen_gui = lowPrio (doxygen.override { inherit qt4; });
+
+  drush = callPackage ../development/tools/misc/drush { };
+
+  eggdbus = callPackage ../development/tools/misc/eggdbus { };
+
+  elfutils = callPackage ../development/tools/misc/elfutils { };
+
+  epm = callPackage ../development/tools/misc/epm { };
+
+  emma = callPackage ../development/tools/analysis/emma { };
+
+  findbugs = callPackage ../development/tools/analysis/findbugs { };
+
+  pmd = callPackage ../development/tools/analysis/pmd { };
+
+  jdepend = callPackage ../development/tools/analysis/jdepend { };
+
+  checkstyle = callPackage ../development/tools/analysis/checkstyle { };
+
+  flex_2_5_35 = callPackage ../development/tools/parsing/flex/2.5.35.nix { };
+  flex_2_5_39 = callPackage ../development/tools/parsing/flex/2.5.39.nix { };
+  flex = flex_2_5_39;
+
+  m4 = gnum4;
+
+  global = callPackage ../development/tools/misc/global { };
+
+  gnome_doc_utils = callPackage ../development/tools/documentation/gnome-doc-utils {};
+
+  gnum4 = callPackage ../development/tools/misc/gnum4 { };
+
+  gnumake380 = callPackage ../development/tools/build-managers/gnumake/3.80 { };
+  gnumake381 = callPackage ../development/tools/build-managers/gnumake/3.81 { };
+  gnumake382 = callPackage ../development/tools/build-managers/gnumake/3.82 { };
+  gnumake40  = callPackage ../development/tools/build-managers/gnumake/4.0  { };
+  gnumake = gnumake382;
+
+  gob2 = callPackage ../development/tools/misc/gob2 { };
+
+  gradle = callPackage ../development/tools/build-managers/gradle { };
+
+  gperf = callPackage ../development/tools/misc/gperf { };
+
+  gtk_doc = callPackage ../development/tools/documentation/gtk-doc { };
+
+  gtkdialog = callPackage ../development/tools/misc/gtkdialog { };
+
+  guileLint = callPackage ../development/tools/guile/guile-lint { };
+
+  gwrap = callPackage ../development/tools/guile/g-wrap { };
+
+  help2man = callPackage ../development/tools/misc/help2man {
+    inherit (perlPackages) LocaleGettext;
+  };
+
+  hyenae = callPackage ../tools/networking/hyenae { };
+
+  ibus = callPackage ../development/libraries/ibus { };
+
+  iconnamingutils = callPackage ../development/tools/misc/icon-naming-utils {
+    inherit (perlPackages) XMLSimple;
+  };
+
+  indent = callPackage ../development/tools/misc/indent { };
+
+  ino = callPackage ../development/arduino/ino { };
+
+  inotifyTools = callPackage ../development/tools/misc/inotify-tools { };
+
+  intel-gpu-tools = callPackage ../development/tools/misc/intel-gpu-tools {
+    inherit (xorg) libpciaccess dri2proto libX11 libXext libXv libXrandr;
+  };
+
+  ired = callPackage ../development/tools/analysis/radare/ired.nix { };
+
+  itstool = callPackage ../development/tools/misc/itstool { };
+
+  jam = callPackage ../development/tools/build-managers/jam { };
+
+  jikespg = callPackage ../development/tools/parsing/jikespg { };
+
+  jenkins = callPackage ../development/tools/continuous-integration/jenkins { };
+
+  lcov = callPackage ../development/tools/analysis/lcov { };
+
+  leiningen = callPackage ../development/tools/build-managers/leiningen { };
+
+  libtool = libtool_2;
+
+  libtool_1_5 = callPackage ../development/tools/misc/libtool { };
+
+  libtool_2 = callPackage ../development/tools/misc/libtool/libtool2.nix { };
+
+  lsof = callPackage ../development/tools/misc/lsof { };
+
+  ltrace = callPackage ../development/tools/misc/ltrace { };
+
+  lttng-tools = callPackage ../development/tools/misc/lttng-tools { };
+
+  lttng-ust = callPackage ../development/tools/misc/lttng-ust { };
+
+  lttv = callPackage ../development/tools/misc/lttv { };
+
+  maven = maven3;
+  maven3 = callPackage ../development/tools/build-managers/apache-maven { jdk = openjdk; };
+
+  mk = callPackage ../development/tools/build-managers/mk { };
+
+  neoload = callPackage ../development/tools/neoload {
+    licenseAccepted = (config.neoload.accept_license or false);
+    fontsConf = makeFontsConf {
+      fontDirectories = [
+        xorg.fontbhttf
+      ];
+    };
+  };
+
+  ninja = callPackage ../development/tools/build-managers/ninja { };
+
+  nixbang = callPackage ../development/tools/misc/nixbang {
+      pythonPackages = python3Packages;
+  };
+
+  node_webkit = callPackage ../development/tools/node-webkit {
+    gconf = pkgs.gnome.GConf;
+  };
+
+  noweb = callPackage ../development/tools/literate-programming/noweb { };
+
+  omake = callPackage ../development/tools/ocaml/omake { };
+  omake_rc1 = callPackage ../development/tools/ocaml/omake/0.9.8.6-rc1.nix { };
+
+  opengrok = callPackage ../development/tools/misc/opengrok { };
+
+  openocd = callPackage ../development/tools/misc/openocd { };
+
+  oprofile = callPackage ../development/tools/profiling/oprofile { };
+
+  patchelf = callPackage ../development/tools/misc/patchelf { };
+
+  peg = callPackage ../development/tools/parsing/peg { };
+
+  phantomjs = callPackage ../development/tools/phantomjs {
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  pmccabe = callPackage ../development/tools/misc/pmccabe { };
+
+  /* Make pkgconfig always return a nativeDrv, never a proper crossDrv,
+     because most usage of pkgconfig as buildInput (inheritance of
+     pre-cross nixpkgs) means using it using as nativeBuildInput
+     cross_renaming: we should make all programs use pkgconfig as
+     nativeBuildInput after the renaming.
+     */
+  pkgconfig = forceNativeDrv (callPackage ../development/tools/misc/pkgconfig { });
+  pkgconfigUpstream = lowPrio (pkgconfig.override { vanilla = true; });
+
+  prelink = callPackage ../development/tools/misc/prelink { };
+
+  premake3 = callPackage ../development/tools/misc/premake/3.nix { };
+
+  premake4 = callPackage ../development/tools/misc/premake { };
+
+  premake = premake4;
+
+  pstack = callPackage ../development/tools/misc/gdb/pstack.nix { };
+
+  radare = callPackage ../development/tools/analysis/radare {
+    inherit (gnome) vte;
+    lua = lua5;
+    useX11 = config.radare.useX11 or false;
+    pythonBindings = config.radare.pythonBindings or false;
+    rubyBindings = config.radare.rubyBindings or false;
+    luaBindings = config.radare.luaBindings or false;
+  };
+  radare2 = callPackage ../development/tools/analysis/radare2 {
+    inherit (gnome) vte;
+    lua = lua5;
+    useX11 = config.radare.useX11 or false;
+    pythonBindings = config.radare.pythonBindings or false;
+    rubyBindings = config.radare.rubyBindings or false;
+    luaBindings = config.radare.luaBindings or false;
+  };
+
+
+  ragel = callPackage ../development/tools/parsing/ragel { };
+
+  re2c = callPackage ../development/tools/parsing/re2c { };
+
+  remake = callPackage ../development/tools/build-managers/remake { };
+
+  saleae-logic = callPackage ../development/tools/misc/saleae-logic { };
+
+  # couldn't find the source yet
+  seleniumRCBin = callPackage ../development/tools/selenium/remote-control {
+    jre = jdk;
+  };
+
+  selenium-server-standalone = callPackage ../development/tools/selenium/server { };
+
+  scons = callPackage ../development/tools/build-managers/scons { };
+
+  sbt = callPackage ../development/tools/build-managers/sbt { };
+  simpleBuildTool = sbt;
+
+  sigrok-cli = callPackage ../development/tools/sigrok-cli { };
+
+  slimerjs = callPackage ../development/tools/slimerjs {};
+
+  sloccount = callPackage ../development/tools/misc/sloccount { };
+
+  smatch = callPackage ../development/tools/analysis/smatch {
+    buildllvmsparse = false;
+    buildc2xml = false;
+  };
+
+  smc = callPackage ../tools/misc/smc { };
+
+  sparse = callPackage ../development/tools/analysis/sparse { };
+
+  speedtest_cli = callPackage ../tools/networking/speedtest-cli { };
+
+  spin = callPackage ../development/tools/analysis/spin { };
+
+  splint = callPackage ../development/tools/analysis/splint {
+    flex = flex_2_5_35;
+  };
+
+  stm32flash = callPackage ../development/tools/misc/stm32flash { };
+
+  strace = callPackage ../development/tools/misc/strace { };
+
+  swig = callPackage ../development/tools/misc/swig { };
+
+  swig2 = callPackage ../development/tools/misc/swig/2.x.nix { };
+
+  swig3 = callPackage ../development/tools/misc/swig/3.x.nix { };
+
+  swigWithJava = swig;
+
+  swfmill = callPackage ../tools/video/swfmill { };
+
+  swftools = callPackage ../tools/video/swftools { };
+
+  tcptrack = callPackage ../development/tools/misc/tcptrack { };
+
+  teensy-loader = callPackage ../development/tools/misc/teensy { };
+
+  texinfo413 = callPackage ../development/tools/misc/texinfo/4.13a.nix { };
+  texinfo5 = callPackage ../development/tools/misc/texinfo/5.2.nix { };
+  texinfo4 = texinfo413;
+  texinfo = texinfo5;
+  texinfoInteractive = appendToName "interactive" (
+    texinfo.override { interactive = true; }
+  );
+
+  texi2html = callPackage ../development/tools/misc/texi2html { };
+
+  uhd = callPackage ../development/tools/misc/uhd { };
+
+  uisp = callPackage ../development/tools/misc/uisp { };
+
+  uncrustify = callPackage ../development/tools/misc/uncrustify { };
+
+  vagrant = callPackage ../development/tools/vagrant {
+    ruby = ruby_2_0_0;
+  };
+
+  gdb = callPackage ../development/tools/misc/gdb {
+    guile = null;
+    hurd = gnu.hurdCross;
+    inherit (gnu) mig;
+  };
+
+  gdbGuile = lowPrio (gdb.override { inherit guile; });
+
+  gdbCross = lowPrio (callPackage ../development/tools/misc/gdb {
+    target = crossSystem;
+  });
+
+  valgrind = callPackage ../development/tools/analysis/valgrind {
+    stdenv =
+      # On Darwin, Valgrind 3.7.0 expects Apple's GCC (for
+      # `__private_extern'.)
+      if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  valkyrie = callPackage ../development/tools/analysis/valkyrie { };
+
+  xc3sprog = callPackage ../development/tools/misc/xc3sprog { };
+
+  xmlindent = callPackage ../development/web/xmlindent {};
+
+  xpwn = callPackage ../development/mobile/xpwn {};
+
+  xxdiff = callPackage ../development/tools/misc/xxdiff {
+    bison = bison2;
+  };
+
+  yacc = bison;
+
+  yodl = callPackage ../development/tools/misc/yodl { };
+
+
+  ### DEVELOPMENT / LIBRARIES
+
+  a52dec = callPackage ../development/libraries/a52dec { };
+
+  aacskeys = callPackage ../development/libraries/aacskeys { };
+
+  aalib = callPackage ../development/libraries/aalib { };
+
+  accountsservice = callPackage ../development/libraries/accountsservice { };
+
+  acl = callPackage ../development/libraries/acl { };
+
+  activemq = callPackage ../development/libraries/apache-activemq { };
+
+  adns = callPackage ../development/libraries/adns { };
+
+  afflib = callPackage ../development/libraries/afflib {};
+
+  agg = callPackage ../development/libraries/agg { };
+
+  allegro = callPackage ../development/libraries/allegro {};
+  allegro5 = callPackage ../development/libraries/allegro/5.nix {};
+  allegro5unstable = callPackage
+    ../development/libraries/allegro/5-unstable.nix {};
+
+  amrnb = callPackage ../development/libraries/amrnb { };
+
+  amrwb = callPackage ../development/libraries/amrwb { };
+
+  apr = callPackage ../development/libraries/apr { };
+
+  aprutil = callPackage ../development/libraries/apr-util {
+    bdbSupport = true;
+  };
+
+  assimp = callPackage ../development/libraries/assimp { };
+
+  asio = callPackage ../development/libraries/asio { };
+
+  aspell = callPackage ../development/libraries/aspell { };
+
+  aspellDicts = recurseIntoAttrs (import ../development/libraries/aspell/dictionaries.nix {
+    inherit fetchurl stdenv aspell which;
+  });
+
+  aterm = aterm25;
+
+  aterm25 = callPackage ../development/libraries/aterm/2.5.nix { };
+
+  aterm28 = lowPrio (callPackage ../development/libraries/aterm/2.8.nix { });
+
+  attica = callPackage ../development/libraries/attica { };
+
+  attr = callPackage ../development/libraries/attr { };
+
+  at_spi2_core = callPackage ../development/libraries/at-spi2-core { };
+
+  at_spi2_atk = callPackage ../development/libraries/at-spi2-atk { };
+
+  aqbanking = callPackage ../development/libraries/aqbanking { };
+
+  aubio = callPackage ../development/libraries/aubio { };
+
+  audiofile = callPackage ../development/libraries/audiofile { };
+
+  babl_0_0_22 = callPackage ../development/libraries/babl/0_0_22.nix { };
+
+  babl = callPackage ../development/libraries/babl { };
+
+  beecrypt = callPackage ../development/libraries/beecrypt { };
+
+  boehmgc = callPackage ../development/libraries/boehm-gc { };
+
+  boolstuff = callPackage ../development/libraries/boolstuff { };
+
+  boost144 = callPackage ../development/libraries/boost/1.44.nix { };
+  boost149 = callPackage ../development/libraries/boost/1.49.nix { };
+  boost155 = callPackage ../development/libraries/boost/1.55.nix { };
+  boost156 = callPackage ../development/libraries/boost/1.56.nix { };
+  boost = boost155;
+
+  botan = callPackage ../development/libraries/botan { };
+  botanUnstable = callPackage ../development/libraries/botan/unstable.nix { };
+
+  box2d = callPackage ../development/libraries/box2d { };
+  box2d_2_0_1 = callPackage ../development/libraries/box2d/2.0.1.nix { };
+
+  buddy = callPackage ../development/libraries/buddy { };
+
+  bwidget = callPackage ../development/libraries/bwidget { };
+
+  c-ares = callPackage ../development/libraries/c-ares {
+    fetchurl = fetchurlBoot;
+  };
+
+  caelum = callPackage ../development/libraries/caelum { };
+
+  capnproto = callPackage ../development/libraries/capnproto { };
+
+  cimg = callPackage  ../development/libraries/cimg { };
+
+  scmccid = callPackage ../development/libraries/scmccid { };
+
+  ccrtp = callPackage ../development/libraries/ccrtp { };
+  ccrtp_1_8 = callPackage ../development/libraries/ccrtp/1.8.nix { };
+
+  celt = callPackage ../development/libraries/celt {};
+  celt_0_7 = callPackage ../development/libraries/celt/0.7.nix {};
+  celt_0_5_1 = callPackage ../development/libraries/celt/0.5.1.nix {};
+
+  cgal = callPackage ../development/libraries/CGAL {};
+
+  cgui = callPackage ../development/libraries/cgui {};
+
+  check = callPackage ../development/libraries/check { };
+
+  chipmunk = builderDefsPackage (import ../development/libraries/chipmunk) {
+    inherit cmake freeglut mesa;
+    inherit (xlibs) libX11 xproto inputproto libXi libXmu;
+  };
+
+  chmlib = callPackage ../development/libraries/chmlib { };
+
+  chromaprint = callPackage ../development/libraries/chromaprint { };
+
+  cil = callPackage ../development/libraries/cil { };
+
+  cilaterm = callPackage ../development/libraries/cil-aterm {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  clanlib = callPackage ../development/libraries/clanlib { };
+
+  classads = callPackage ../development/libraries/classads { };
+
+  classpath = callPackage ../development/libraries/java/classpath {
+    javac = gcj;
+    jvm = gcj;
+    gconf = gnome.GConf;
+  };
+
+  clearsilver = callPackage ../development/libraries/clearsilver { };
+
+  cln = callPackage ../development/libraries/cln { };
+
+  clppcre = builderDefsPackage (import ../development/libraries/cl-ppcre) { };
+
+  clucene_core_2 = callPackage ../development/libraries/clucene-core/2.x.nix { };
+
+  clucene_core_1 = callPackage ../development/libraries/clucene-core { };
+
+  clucene_core = clucene_core_1;
+
+  clutter = callPackage ../development/libraries/clutter { };
+
+  clutter_1_18 = callPackage ../development/libraries/clutter/1.18.nix {
+    cogl = cogl_1_18;
+  };
+
+  clutter-gst = callPackage ../development/libraries/clutter-gst { };
+
+  clutter_gtk = callPackage ../development/libraries/clutter-gtk { };
+  clutter_gtk_0_10 = callPackage ../development/libraries/clutter-gtk/0.10.8.nix { };
+
+  cminpack = callPackage ../development/libraries/cminpack { };
+
+  cogl = callPackage ../development/libraries/cogl { };
+
+  cogl_1_18 = callPackage ../development/libraries/cogl/1.18.nix { };
+
+  coin3d = callPackage ../development/libraries/coin3d { };
+
+  commoncpp2 = callPackage ../development/libraries/commoncpp2 { };
+
+  confuse = callPackage ../development/libraries/confuse { };
+
+  coredumper = callPackage ../development/libraries/coredumper { };
+
+  ctl = callPackage ../development/libraries/ctl { };
+
+  cpp-netlib = callPackage ../development/libraries/cpp-netlib { };
+
+  cppunit = callPackage ../development/libraries/cppunit { };
+
+  cppnetlib = callPackage ../development/libraries/cppnetlib { };
+
+  cracklib = callPackage ../development/libraries/cracklib { };
+
+  cryptopp = callPackage ../development/libraries/crypto++ { };
+
+  cyrus_sasl = callPackage ../development/libraries/cyrus-sasl { };
+
+  # Make bdb5 the default as it is the last release under the custom
+  # bsd-like license
+  db = db5;
+  db4 = db48;
+  db44 = callPackage ../development/libraries/db/db-4.4.nix { };
+  db45 = callPackage ../development/libraries/db/db-4.5.nix { };
+  db47 = callPackage ../development/libraries/db/db-4.7.nix { };
+  db48 = callPackage ../development/libraries/db/db-4.8.nix { };
+  db5 = db53;
+  db53 = callPackage ../development/libraries/db/db-5.3.nix { };
+  db6 = db60;
+  db60 = callPackage ../development/libraries/db/db-6.0.nix { };
+
+  dbus = callPackage ../development/libraries/dbus { };
+  dbus_cplusplus  = callPackage ../development/libraries/dbus-cplusplus { };
+  dbus_glib       = callPackage ../development/libraries/dbus-glib { };
+  dbus_java       = callPackage ../development/libraries/java/dbus-java { };
+  dbus_python     = callPackage ../development/python-modules/dbus {
+    isPyPy = python.executable == "pypy";
+  };
+
+  # Should we deprecate these? Currently there are many references.
+  dbus_tools = pkgs.dbus.tools;
+  dbus_libs = pkgs.dbus.libs;
+  dbus_daemon = pkgs.dbus.daemon;
+
+  dhex = callPackage ../applications/editors/dhex { };
+
+  dclib = callPackage ../development/libraries/dclib { };
+
+  dillo = callPackage ../applications/networking/browsers/dillo {
+    fltk = fltk13;
+  };
+
+  directfb = callPackage ../development/libraries/directfb { };
+
+  dlib = callPackage ../development/libraries/dlib { };
+
+  dotconf = callPackage ../development/libraries/dotconf { };
+
+  dssi = callPackage ../development/libraries/dssi {};
+
+  dragonegg = llvmPackages.dragonegg;
+
+  dxflib = callPackage ../development/libraries/dxflib {};
+
+  eigen = callPackage ../development/libraries/eigen {};
+
+  eigen2 = callPackage ../development/libraries/eigen/2.0.nix {};
+
+  enchant = callPackage ../development/libraries/enchant { };
+
+  enet = callPackage ../development/libraries/enet { };
+
+  enginepkcs11 = callPackage ../development/libraries/enginepkcs11 { };
+
+  epoxy = callPackage ../development/libraries/epoxy {
+    inherit (xorg) utilmacros libX11;
+  };
+
+  esdl = callPackage ../development/libraries/esdl { };
+
+  exiv2 = callPackage ../development/libraries/exiv2 { };
+
+  expat = callPackage ../development/libraries/expat { };
+
+  extremetuxracer = callPackage ../games/extremetuxracer {
+    libpng = libpng12;
+  };
+
+  eventlog = callPackage ../development/libraries/eventlog { };
+
+  facile = callPackage ../development/libraries/facile { };
+
+  faac = callPackage ../development/libraries/faac { };
+
+  faad2 = callPackage ../development/libraries/faad2 { };
+
+  farsight2 = callPackage ../development/libraries/farsight2 { };
+
+  farstream = callPackage ../development/libraries/farstream {
+    inherit (gst_all_1)
+      gstreamer gst-plugins-base gst-python gst-plugins-good gst-plugins-bad
+      gst-libav;
+  };
+
+  fcgi = callPackage ../development/libraries/fcgi { };
+
+  ffmpeg_0_6 = callPackage ../development/libraries/ffmpeg/0.6.nix {
+    vpxSupport = !stdenv.isMips;
+  };
+
+  ffmpeg_0_6_90 = callPackage ../development/libraries/ffmpeg/0.6.90.nix {
+    vpxSupport = !stdenv.isMips;
+  };
+
+  ffmpeg_0_10 = callPackage ../development/libraries/ffmpeg/0.10.nix {
+    vpxSupport = !stdenv.isMips;
+
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  ffmpeg_1 = callPackage ../development/libraries/ffmpeg/1.x.nix {
+    vpxSupport = !stdenv.isMips;
+  };
+
+  ffmpeg_2_3 = callPackage ../development/libraries/ffmpeg/2.3.x.nix { };
+
+  ffmpeg_2 = callPackage ../development/libraries/ffmpeg/2.x.nix { };
+
+  ffmpeg = ffmpeg_2;
+
+  ffms = callPackage ../development/libraries/ffms { };
+
+  fftw = callPackage ../development/libraries/fftw { };
+  fftwSinglePrec = fftw.override { precision = "single"; };
+  fftwFloat = fftwSinglePrec; # the configure option is just an alias
+
+  flann = callPackage ../development/libraries/flann { };
+
+  flite = callPackage ../development/libraries/flite { };
+
+  fltk13 = callPackage ../development/libraries/fltk/fltk13.nix { };
+
+  fltk20 = callPackage ../development/libraries/fltk { };
+
+  fmod = callPackage ../development/libraries/fmod { };
+
+  freeimage = callPackage ../development/libraries/freeimage { };
+
+  freetts = callPackage ../development/libraries/freetts { };
+
+  cfitsio = callPackage ../development/libraries/cfitsio { };
+
+  fontconfig = callPackage ../development/libraries/fontconfig { };
+
+  makeFontsConf = let fontconfig_ = fontconfig; in {fontconfig ? fontconfig_, fontDirectories}:
+    import ../development/libraries/fontconfig/make-fonts-conf.nix {
+      inherit runCommand libxslt fontconfig fontDirectories;
+    };
+
+  freealut = callPackage ../development/libraries/freealut { };
+
+  freeglut = callPackage ../development/libraries/freeglut { };
+
+  freetype = callPackage ../development/libraries/freetype { };
+
+  frei0r = callPackage ../development/libraries/frei0r { };
+
+  fribidi = callPackage ../development/libraries/fribidi { };
+
+  funambol = callPackage ../development/libraries/funambol { };
+
+  fam = gamin;
+
+  gamin = callPackage ../development/libraries/gamin { };
+
+  ganv = callPackage ../development/libraries/ganv { };
+
+  gav = callPackage ../games/gav { };
+
+  gsb = callPackage ../games/gsb { };
+
+  gdome2 = callPackage ../development/libraries/gdome2 {
+    inherit (gnome) gtkdoc;
+  };
+
+  gdbm = callPackage ../development/libraries/gdbm { };
+
+  gecode = callPackage ../development/libraries/gecode { };
+
+  gegl = callPackage ../development/libraries/gegl {
+    #  avocodec avformat librsvg
+  };
+
+  gegl_0_0_22 = callPackage ../development/libraries/gegl/0_0_22.nix {
+    #  avocodec avformat librsvg
+    libpng = libpng12;
+  };
+
+  geoclue = callPackage ../development/libraries/geoclue {};
+
+  geoclue2 = callPackage ../development/libraries/geoclue/2.0.nix {};
+
+  geoip = callPackage ../development/libraries/geoip { };
+
+  geoipjava = callPackage ../development/libraries/java/geoipjava { };
+
+  geos = callPackage ../development/libraries/geos { };
+
+  gettext = gettext_0_18;
+
+  gettext_0_17 = callPackage ../development/libraries/gettext/0.17.nix { };
+  gettext_0_18 = callPackage ../development/libraries/gettext { };
+
+  gd = callPackage ../development/libraries/gd { };
+
+  gdal = callPackage ../development/libraries/gdal { };
+
+  gdcm = callPackage ../development/libraries/gdcm { };
+
+  ggz_base_libs = callPackage ../development/libraries/ggz_base_libs {};
+
+  giblib = callPackage ../development/libraries/giblib { };
+
+  libgit2 = callPackage ../development/libraries/git2 { };
+
+  glew = callPackage ../development/libraries/glew { };
+
+  glfw = glfw3;
+  glfw2 = callPackage ../development/libraries/glfw/2.x.nix { };
+  glfw3 = callPackage ../development/libraries/glfw/3.x.nix { };
+
+  glibc = callPackage ../development/libraries/glibc/2.19 {
+    kernelHeaders = linuxHeaders;
+    installLocales = config.glibc.locales or false;
+    machHeaders = null;
+    hurdHeaders = null;
+    gccCross = null;
+  };
+
+  glibc_memusage = callPackage ../development/libraries/glibc/2.19 {
+    kernelHeaders = linuxHeaders;
+    installLocales = false;
+    withGd = true;
+  };
+
+  glibcCross = forceNativeDrv (makeOverridable (import ../development/libraries/glibc/2.19)
+    (let crossGNU = crossSystem != null && crossSystem.config == "i586-pc-gnu";
+     in {
+       inherit stdenv fetchurl;
+       gccCross = gccCrossStageStatic;
+       kernelHeaders = if crossGNU then gnu.hurdHeaders else linuxHeadersCross;
+       installLocales = config.glibc.locales or false;
+     }
+     // lib.optionalAttrs crossGNU {
+        inherit (gnu) machHeaders hurdHeaders libpthreadHeaders mig;
+        inherit fetchgit;
+      }));
+
+
+  # We can choose:
+  libcCrossChooser = name : if name == "glibc" then glibcCross
+    else if name == "uclibc" then uclibcCross
+    else if name == "msvcrt" then windows.mingw_w64
+    else if name == "libSystem" then darwin.xcode
+    else throw "Unknown libc";
+
+  libcCross = assert crossSystem != null; libcCrossChooser crossSystem.libc;
+
+  eglibc = callPackage ../development/libraries/eglibc {
+    kernelHeaders = linuxHeaders;
+    installLocales = config.glibc.locales or false;
+  };
+
+  glibcLocales = callPackage ../development/libraries/glibc/2.19/locales.nix { };
+
+  glibcInfo = callPackage ../development/libraries/glibc/2.19/info.nix { };
+
+  glibc_multi = callPackage ../development/libraries/glibc/2.19/multi.nix {
+    inherit glibc;
+    glibc32 = (import ./all-packages.nix {system = "i686-linux";}).glibc;
+  };
+
+  glm = callPackage ../development/libraries/glm { };
+
+  glog = callPackage ../development/libraries/glog { };
+
+  gloox = callPackage ../development/libraries/gloox { };
+
+  glpk = callPackage ../development/libraries/glpk { };
+
+  glsurf = callPackage ../applications/science/math/glsurf {
+    inherit (ocamlPackages) lablgl findlib camlimages ocaml_mysql mlgmp;
+    libpng = libpng12;
+    giflib = giflib_4_1;
+  };
+
+  gmime = callPackage ../development/libraries/gmime { };
+
+  gmm = callPackage ../development/libraries/gmm { };
+
+  gmp = gmp5;
+  gmp5 = gmp51;
+
+  gmpxx = appendToName "with-cxx" (gmp.override { cxx = true; });
+
+  # The GHC bootstrap binaries link against libgmp.so.3, which is in GMP 4.x.
+  gmp4 = callPackage ../development/libraries/gmp/4.3.2.nix { };
+
+  gmp51 = callPackage ../development/libraries/gmp/5.1.x.nix { };
+
+  #GMP ex-satellite, so better keep it near gmp
+  mpfr = callPackage ../development/libraries/mpfr/default.nix { };
+
+  gobjectIntrospection = callPackage ../development/libraries/gobject-introspection { };
+
+  goocanvas = callPackage ../development/libraries/goocanvas { };
+
+  google-gflags = callPackage ../development/libraries/google-gflags { };
+
+  gperftools = callPackage ../development/libraries/gperftools { };
+
+  gst_all_1 = recurseIntoAttrs(callPackage ../development/libraries/gstreamer {
+    callPackage = pkgs.newScope (pkgs // { libav = pkgs.libav_10; });
+  });
+
+  gst_all = {
+    inherit (pkgs) gstreamer gnonlin gst_python qt_gstreamer;
+    gstPluginsBase = pkgs.gst_plugins_base;
+    gstPluginsBad = pkgs.gst_plugins_bad;
+    gstPluginsGood = pkgs.gst_plugins_good;
+    gstPluginsUgly = pkgs.gst_plugins_ugly;
+    gstFfmpeg = pkgs.gst_ffmpeg;
+  };
+
+  gstreamer = callPackage ../development/libraries/gstreamer/legacy/gstreamer {
+    bison = bison2;
+  };
+
+  gst_plugins_base = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-base {};
+
+  gst_plugins_good = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-good {};
+
+  gst_plugins_bad = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-bad {};
+
+  gst_plugins_ugly = callPackage ../development/libraries/gstreamer/legacy/gst-plugins-ugly {};
+
+  gst_ffmpeg = callPackage ../development/libraries/gstreamer/legacy/gst-ffmpeg {
+    ffmpeg = ffmpeg_0_10;
+  };
+
+  gst_python = callPackage ../development/libraries/gstreamer/legacy/gst-python {};
+
+  gstreamermm = callPackage ../development/libraries/gstreamer/legacy/gstreamermm { };
+
+  gnonlin = callPackage ../development/libraries/gstreamer/legacy/gnonlin {};
+
+  gusb = callPackage ../development/libraries/gusb {
+    inherit (gnome) gtkdoc;
+  };
+
+  qt_gstreamer = callPackage ../development/libraries/gstreamer/legacy/qt-gstreamer {};
+
+  qt_gstreamer1 = callPackage ../development/libraries/gstreamer/qt-gstreamer {};
+
+  gnet = callPackage ../development/libraries/gnet { };
+
+  gnu-efi = callPackage ../development/libraries/gnu-efi { };
+
+  gnutls = gnutls32;
+
+  gnutls31 = callPackage ../development/libraries/gnutls/3.1.nix {
+    guileBindings = config.gnutls.guile or false;
+  };
+
+  gnutls32 = callPackage ../development/libraries/gnutls/3.2.nix {
+    guileBindings = config.gnutls.guile or false;
+  };
+
+  gnutls_with_guile = lowPrio (gnutls.override { guileBindings = true; });
+
+  gpac = callPackage ../applications/video/gpac { };
+
+  gpgme = callPackage ../development/libraries/gpgme {
+    gnupg1 = gnupg1orig;
+  };
+
+  grantlee = callPackage ../development/libraries/grantlee { };
+
+  gsasl = callPackage ../development/libraries/gsasl { };
+
+  gsl = callPackage ../development/libraries/gsl { };
+
+  gsm = callPackage ../development/libraries/gsm {};
+
+  gsoap = callPackage ../development/libraries/gsoap { };
+
+  gss = callPackage ../development/libraries/gss { };
+
+  gtkimageview = callPackage ../development/libraries/gtkimageview { };
+
+  gtkmathview = callPackage ../development/libraries/gtkmathview { };
+
+  gtkLibs = {
+    inherit (pkgs) glib glibmm atk atkmm cairo pango pangomm gdk_pixbuf gtk
+      gtkmm;
+  };
+
+  glib = callPackage ../development/libraries/glib { };
+  glib-tested = glib.override { doCheck = true; }; # checked version separate to break cycles
+  glibmm = callPackage ../development/libraries/glibmm { };
+
+  glib_networking = callPackage ../development/libraries/glib-networking {};
+
+  atk = callPackage ../development/libraries/atk { };
+  atkmm = callPackage ../development/libraries/atkmm { };
+
+  pixman = callPackage ../development/libraries/pixman { };
+
+  cairo = callPackage ../development/libraries/cairo {
+    glSupport = config.cairo.gl or (stdenv.isLinux &&
+      !stdenv.isArm && !stdenv.isMips);
+  };
+  cairomm = callPackage ../development/libraries/cairomm { };
+
+  pango = callPackage ../development/libraries/pango { };
+  pangomm = callPackage ../development/libraries/pangomm { };
+
+  pangox_compat = callPackage ../development/libraries/pangox-compat { };
+
+  gdk_pixbuf = callPackage ../development/libraries/gdk-pixbuf {
+    # workaround signal 10 in gdk_pixbuf tests
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  granite = callPackage ../development/libraries/granite { };
+
+  gtk2 = callPackage ../development/libraries/gtk+/2.x.nix {
+    cupsSupport = config.gtk2.cups or stdenv.isLinux;
+  };
+
+  gtk3 = callPackage ../development/libraries/gtk+/3.x.nix { };
+
+  gtk = pkgs.gtk2;
+
+  gtkmm = callPackage ../development/libraries/gtkmm/2.x.nix { };
+  gtkmm3 = callPackage ../development/libraries/gtkmm/3.x.nix { };
+
+  gtkmozembedsharp = callPackage ../development/libraries/gtkmozembed-sharp {
+    gtksharp = gtksharp2;
+  };
+
+  gtksharp1 = callPackage ../development/libraries/gtk-sharp-1 {
+    inherit (gnome) libglade libgtkhtml gtkhtml
+              libgnomecanvas libgnomeui libgnomeprint
+              libgnomeprintui GConf;
+  };
+
+  gtksharp2 = callPackage ../development/libraries/gtk-sharp-2 {
+    inherit (gnome) libglade libgtkhtml gtkhtml
+              libgnomecanvas libgnomeui libgnomeprint
+              libgnomeprintui GConf gnomepanel;
+  };
+
+  gtksourceviewsharp = callPackage ../development/libraries/gtksourceview-sharp {
+    inherit (gnome) gtksourceview;
+    gtksharp = gtksharp2;
+  };
+
+  gtkspell = callPackage ../development/libraries/gtkspell { };
+
+  gtkspell3 = callPackage ../development/libraries/gtkspell/3.nix { };
+
+  gtkspellmm = callPackage ../development/libraries/gtkspellmm { };
+
+  gts = callPackage ../development/libraries/gts { };
+
+  gvfs = callPackage ../development/libraries/gvfs { gconf = gnome.GConf; };
+
+  gwenhywfar = callPackage ../development/libraries/gwenhywfar { };
+
+  hamlib = callPackage ../development/libraries/hamlib { };
+
+  # TODO : Add MIT Kerberos and let admin choose.
+  kerberos = heimdal;
+
+  heimdal = callPackage ../development/libraries/kerberos/heimdal.nix { };
+
+  harfbuzz = callPackage ../development/libraries/harfbuzz { };
+
+  hawknl = callPackage ../development/libraries/hawknl { };
+
+  herqq = callPackage ../development/libraries/herqq { };
+
+  hspell = callPackage ../development/libraries/hspell { };
+
+  hspellDicts = callPackage ../development/libraries/hspell/dicts.nix { };
+
+  hsqldb = callPackage ../development/libraries/java/hsqldb { };
+
+  http-parser = callPackage ../development/libraries/http-parser { inherit (pythonPackages) gyp; };
+
+  hunspell = callPackage ../development/libraries/hunspell { };
+
+  hwloc = callPackage ../development/libraries/hwloc {
+    inherit (xlibs) libX11;
+  };
+
+  hydraAntLogger = callPackage ../development/libraries/java/hydra-ant-logger { };
+
+  icu = callPackage ../development/libraries/icu { };
+
+  id3lib = callPackage ../development/libraries/id3lib { };
+
+  iksemel = callPackage ../development/libraries/iksemel { };
+
+  ilbc = callPackage ../development/libraries/ilbc { };
+
+  ilixi = callPackage ../development/libraries/ilixi { };
+
+  ilmbase = callPackage ../development/libraries/ilmbase { };
+
+  imlib = callPackage ../development/libraries/imlib {
+    libpng = libpng12;
+  };
+
+  imlib2 = callPackage ../development/libraries/imlib2 { };
+
+  incrtcl = callPackage ../development/libraries/incrtcl { };
+
+  indilib = callPackage ../development/libraries/indilib { };
+
+  indilib_0_9_9 = callPackage ../development/libraries/indilib/0_9_9.nix { };
+
+  iniparser = callPackage ../development/libraries/iniparser { };
+
+  intltool = callPackage ../development/tools/misc/intltool { };
+
+  irrlicht3843 = callPackage ../development/libraries/irrlicht { };
+
+  isocodes = callPackage ../development/libraries/iso-codes { };
+
+  itk = callPackage ../development/libraries/itk { };
+
+  jamp = builderDefsPackage ../games/jamp {
+    inherit mesa SDL SDL_image SDL_mixer;
+  };
+
+  jasper = callPackage ../development/libraries/jasper { };
+
+  jama = callPackage ../development/libraries/jama { };
+
+  jansson = callPackage ../development/libraries/jansson { };
+
+  jbig2dec = callPackage ../development/libraries/jbig2dec { };
+
+  jetty_gwt = callPackage ../development/libraries/java/jetty-gwt { };
+
+  jetty_util = callPackage ../development/libraries/java/jetty-util { };
+
+  json_glib = callPackage ../development/libraries/json-glib { };
+
+  json-c-0-11 = callPackage ../development/libraries/json-c/0.11.nix { }; # vulnerable
+  json_c = callPackage ../development/libraries/json-c { };
+
+  jsoncpp = callPackage ../development/libraries/jsoncpp { };
+
+  libjson = callPackage ../development/libraries/libjson { };
+
+  judy = callPackage ../development/libraries/judy { };
+
+  keybinder = callPackage ../development/libraries/keybinder {
+    automake = automake111x;
+    lua = lua5_1;
+  };
+
+  keybinder3 = callPackage ../development/libraries/keybinder3 {
+    automake = automake111x;
+  };
+
+  krb5 = callPackage ../development/libraries/kerberos/krb5.nix { };
+
+  LASzip = callPackage ../development/libraries/LASzip { };
+
+  lcms = lcms1;
+
+  lcms1 = callPackage ../development/libraries/lcms { };
+
+  lcms2 = callPackage ../development/libraries/lcms2 { };
+
+  lensfun = callPackage ../development/libraries/lensfun { };
+
+  lesstif = callPackage ../development/libraries/lesstif { };
+
+  lesstif93 = callPackage ../development/libraries/lesstif-0.93 { };
+
+  leveldb = callPackage ../development/libraries/leveldb { };
+
+  levmar = callPackage ../development/libraries/levmar { };
+
+  leptonica = callPackage ../development/libraries/leptonica {
+    libpng = libpng12;
+  };
+
+  lgi = callPackage ../development/libraries/lgi { };
+
+  lib3ds = callPackage ../development/libraries/lib3ds { };
+
+  libaacs = callPackage ../development/libraries/libaacs { };
+
+  libaal = callPackage ../development/libraries/libaal { };
+
+  libao = callPackage ../development/libraries/libao {
+    usePulseAudio = config.pulseaudio or true;
+  };
+
+  libantlr3c = callPackage ../development/libraries/libantlr3c {};
+
+  libarchive = callPackage ../development/libraries/libarchive { };
+
+  libass = callPackage ../development/libraries/libass { };
+
+  libassuan1 = callPackage ../development/libraries/libassuan1 { };
+
+  libassuan = callPackage ../development/libraries/libassuan { };
+
+  libassuan2_1 = callPackage ../development/libraries/libassuan/git.nix { };
+
+  libatomic_ops = callPackage ../development/libraries/libatomic_ops {};
+
+  libav = libav_10;
+  libav_all = callPackage ../development/libraries/libav { };
+  inherit (libav_all) libav_0_8 libav_9 libav_10;
+
+  libavc1394 = callPackage ../development/libraries/libavc1394 { };
+
+  libbluedevil = callPackage ../development/libraries/libbluedevil { };
+
+  libbluray = callPackage ../development/libraries/libbluray { };
+
+  libbs2b = callPackage ../development/libraries/audio/libbs2b { };
+
+  libcaca = callPackage ../development/libraries/libcaca { };
+
+  libcanberra = callPackage ../development/libraries/libcanberra { };
+  libcanberra_gtk3 = libcanberra.override { gtk = gtk3; };
+  libcanberra_kde = if (config.kde_runtime.libcanberraWithoutGTK or true)
+    then libcanberra.override { gtk = null; }
+    else libcanberra;
+
+  libcello = callPackage ../development/libraries/libcello {};
+
+  libcdaudio = callPackage ../development/libraries/libcdaudio { };
+
+  libcddb = callPackage ../development/libraries/libcddb { };
+
+  libcdio = callPackage ../development/libraries/libcdio { };
+  libcdio082 = callPackage ../development/libraries/libcdio/0.82.nix { };
+
+  libcdr = callPackage ../development/libraries/libcdr { lcms = lcms2; };
+
+  libchamplain = callPackage ../development/libraries/libchamplain {
+    inherit (gnome) libsoup;
+  };
+
+  libchardet = callPackage ../development/libraries/libchardet { };
+
+  libchop = callPackage ../development/libraries/libchop { };
+
+  libcm = callPackage ../development/libraries/libcm { };
+
+  inherit (gnome3) libcroco;
+
+  libcangjie = callPackage ../development/libraries/libcangjie { };
+
+  libcredis = callPackage ../development/libraries/libcredis { };
+
+  libctemplate = callPackage ../development/libraries/libctemplate { };
+
+  libcue = callPackage ../development/libraries/libcue { };
+
+  libdaemon = callPackage ../development/libraries/libdaemon { };
+
+  libdbi = callPackage ../development/libraries/libdbi { };
+
+  libdbiDriversBase = callPackage ../development/libraries/libdbi-drivers {
+    mysql = null;
+    sqlite = null;
+  };
+
+  libdbiDrivers = libdbiDriversBase.override {
+    inherit sqlite mysql;
+  };
+
+  libdbusmenu_qt = callPackage ../development/libraries/libdbusmenu-qt { };
+
+  libdc1394 = callPackage ../development/libraries/libdc1394 { };
+
+  libdc1394avt = callPackage ../development/libraries/libdc1394avt { };
+
+  libdevil = callPackage ../development/libraries/libdevil { };
+
+  libdiscid = callPackage ../development/libraries/libdiscid { };
+
+  libdivsufsort = callPackage ../development/libraries/libdivsufsort { };
+
+  libdmtx = callPackage ../development/libraries/libdmtx { };
+
+  libdnet = callPackage ../development/libraries/libdnet { };
+
+  libdrm = callPackage ../development/libraries/libdrm {
+    inherit fetchurl stdenv pkgconfig;
+    inherit (xorg) libpthreadstubs;
+  };
+
+  libdv = callPackage ../development/libraries/libdv { };
+
+  libdvbpsi = callPackage ../development/libraries/libdvbpsi { };
+
+  libdwg = callPackage ../development/libraries/libdwg { };
+
+  libdvdcss = callPackage ../development/libraries/libdvdcss { };
+
+  libdvdnav = callPackage ../development/libraries/libdvdnav { };
+
+  libdvdread = callPackage ../development/libraries/libdvdread { };
+
+  libdwarf = callPackage ../development/libraries/libdwarf { };
+
+  libeatmydata = callPackage ../development/libraries/libeatmydata { };
+
+  libebml = callPackage ../development/libraries/libebml { };
+
+  libedit = callPackage ../development/libraries/libedit { };
+
+  libelf = callPackage ../development/libraries/libelf { };
+
+  libetpan = callPackage ../development/libraries/libetpan { };
+
+  libfm = callPackage ../development/libraries/libfm { };
+  libfm-extra = callPackage ../development/libraries/libfm {
+    extraOnly = true;
+  };
+
+  libgadu = callPackage ../development/libraries/libgadu { };
+
+  libgdata = gnome3.libgdata;
+
+  libgig = callPackage ../development/libraries/libgig { };
+
+  libgnome_keyring = callPackage ../development/libraries/libgnome-keyring { };
+  libgnome_keyring3 = gnome3.libgnome_keyring;
+
+  libgnurl = callPackage ../development/libraries/libgnurl { };
+
+  libseccomp = callPackage ../development/libraries/libseccomp { };
+
+  libsecret = callPackage ../development/libraries/libsecret { };
+
+  libserialport = callPackage ../development/libraries/libserialport { };
+
+  libgtop = callPackage ../development/libraries/libgtop {};
+
+  libLAS = callPackage ../development/libraries/libLAS { };
+
+  liblo = callPackage ../development/libraries/liblo { };
+
+  liblrdf = librdf;
+
+  liblscp = callPackage ../development/libraries/liblscp { };
+
+  libe-book = callPackage ../development/libraries/libe-book {};
+
+  libev = builderDefsPackage ../development/libraries/libev { };
+
+  libevent14 = callPackage ../development/libraries/libevent/1.4.nix { };
+  libevent = callPackage ../development/libraries/libevent { };
+
+  libewf = callPackage ../development/libraries/libewf { };
+
+  libexif = callPackage ../development/libraries/libexif { };
+
+  libexosip = callPackage ../development/libraries/exosip {};
+
+  libexosip_3 = callPackage ../development/libraries/exosip/3.x.nix {
+    libosip = libosip_3;
+  };
+
+  libextractor = callPackage ../development/libraries/libextractor {
+    libmpeg2 = mpeg2dec;
+  };
+
+  libexttextcat = callPackage ../development/libraries/libexttextcat {};
+
+  libf2c = callPackage ../development/libraries/libf2c {};
+
+  libfixposix = callPackage ../development/libraries/libfixposix {};
+
+  libffcall = builderDefsPackage (import ../development/libraries/libffcall) {
+    inherit fetchcvs;
+  };
+
+  libffi = callPackage ../development/libraries/libffi { };
+
+  libfreefare = callPackage ../development/libraries/libfreefare { };
+
+  libftdi = callPackage ../development/libraries/libftdi { };
+
+  libftdi1 = callPackage ../development/libraries/libftdi/1.x.nix { };
+
+  libgcrypt = callPackage ../development/libraries/libgcrypt { };
+
+  libgcrypt_1_6 = lowPrio (callPackage ../development/libraries/libgcrypt/1.6.nix { });
+
+  libgdiplus = callPackage ../development/libraries/libgdiplus { };
+
+  libgksu = callPackage ../development/libraries/libgksu { };
+
+  libgpgerror = callPackage ../development/libraries/libgpg-error { };
+
+  libgphoto2 = callPackage ../development/libraries/libgphoto2 { };
+
+  libgphoto2_4 = callPackage ../development/libraries/libgphoto2/2.4.nix { };
+
+  libgpod = callPackage ../development/libraries/libgpod {
+    inherit (pkgs.pythonPackages) mutagen;
+  };
+
+  libharu = callPackage ../development/libraries/libharu { };
+
+  libHX = callPackage ../development/libraries/libHX { };
+
+  libibmad = callPackage ../development/libraries/libibmad { };
+
+  libibumad = callPackage ../development/libraries/libibumad { };
+
+  libical = callPackage ../development/libraries/libical { };
+
+  libicns = callPackage ../development/libraries/libicns { };
+
+  libimobiledevice = callPackage ../development/libraries/libimobiledevice { };
+
+  libiodbc = callPackage ../development/libraries/libiodbc {
+    useGTK = config.libiodbc.gtk or false;
+  };
+
+  libivykis = callPackage ../development/libraries/libivykis { };
+
+  liblastfmSF = callPackage ../development/libraries/liblastfmSF { };
+
+  liblastfm = callPackage ../development/libraries/liblastfm { };
+
+  liblqr1 = callPackage ../development/libraries/liblqr-1 { };
+
+  liblockfile = callPackage ../development/libraries/liblockfile { };
+
+  liblogging = callPackage ../development/libraries/liblogging { };
+
+  libmcrypt = callPackage ../development/libraries/libmcrypt {};
+
+  libmhash = callPackage ../development/libraries/libmhash {};
+
+  libmodbus = callPackage ../development/libraries/libmodbus {};
+
+  libmtp = callPackage ../development/libraries/libmtp { };
+
+  libmsgpack = callPackage ../development/libraries/libmsgpack { };
+
+  libnatspec = callPackage ../development/libraries/libnatspec { };
+
+  libnfc = callPackage ../development/libraries/libnfc { };
+
+  libnfsidmap = callPackage ../development/libraries/libnfsidmap { };
+
+  libnice = callPackage ../development/libraries/libnice { };
+
+  liboping = callPackage ../development/libraries/liboping { };
+
+  libplist = callPackage ../development/libraries/libplist { };
+
+  libQGLViewer = callPackage ../development/libraries/libqglviewer { };
+
+  libre = callPackage ../development/libraries/libre {};
+  librem = callPackage ../development/libraries/librem {};
+
+  libresample = callPackage ../development/libraries/libresample {};
+
+  librevenge = callPackage ../development/libraries/librevenge {};
+
+  librevisa = callPackage ../development/libraries/librevisa { };
+
+  libsamplerate = callPackage ../development/libraries/libsamplerate { };
+
+  libsieve = callPackage ../development/libraries/libsieve { };
+
+  libspectre = callPackage ../development/libraries/libspectre { };
+
+  libgsf = callPackage ../development/libraries/libgsf { };
+
+  libiconv = callPackage ../development/libraries/libiconv { };
+
+  libiconvOrEmpty = if libiconvOrNull == null then [] else [libiconv];
+
+  libiconvOrNull =
+    if gcc.libc or null != null || stdenv.isGlibc
+    then null
+    else libiconv;
+
+  # The logic behind this attribute is broken: libiconvOrNull==null does
+  # NOT imply libiconv=glibc! On Darwin, for example, we have a native
+  # libiconv library which is not glibc.
+  libiconvOrLibc = if libiconvOrNull == null then gcc.libc else libiconv;
+
+  # On non-GNU systems we need GNU Gettext for libintl.
+  libintlOrEmpty = stdenv.lib.optional (!stdenv.isLinux) gettext;
+
+  libid3tag = callPackage ../development/libraries/libid3tag { };
+
+  libidn = callPackage ../development/libraries/libidn { };
+
+  libiec61883 = callPackage ../development/libraries/libiec61883 { };
+
+  libinfinity = callPackage ../development/libraries/libinfinity {
+    inherit (gnome) gtkdoc;
+  };
+
+  libiptcdata = callPackage ../development/libraries/libiptcdata { };
+
+  libjpeg_original = callPackage ../development/libraries/libjpeg { };
+  libjpeg_turbo = callPackage ../development/libraries/libjpeg-turbo { };
+  libjpeg = if (stdenv.isLinux) then libjpeg_turbo else libjpeg_original; # some problems, both on FreeBSD and Darwin
+
+  libjpeg62 = callPackage ../development/libraries/libjpeg/62.nix {
+    libtool = libtool_1_5;
+  };
+
+  libjson_rpc_cpp = callPackage ../development/libraries/libjson-rpc-cpp { };
+
+  libkate = callPackage ../development/libraries/libkate { };
+
+  libksba = callPackage ../development/libraries/libksba { };
+
+  libmad = callPackage ../development/libraries/libmad { };
+
+  libmatchbox = callPackage ../development/libraries/libmatchbox { };
+
+  libmatthew_java = callPackage ../development/libraries/java/libmatthew-java { };
+
+  libmatroska = callPackage ../development/libraries/libmatroska { };
+
+  libmcs = callPackage ../development/libraries/libmcs { };
+
+  libmemcached = callPackage ../development/libraries/libmemcached { };
+
+  libmicrohttpd = callPackage ../development/libraries/libmicrohttpd { };
+
+  libmikmod = callPackage ../development/libraries/libmikmod {
+    # resolve the "stray '@' in program" errors
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  libmilter = callPackage ../development/libraries/libmilter { };
+
+  libmkv = callPackage ../development/libraries/libmkv { };
+
+  libmms = callPackage ../development/libraries/libmms { };
+
+  libmowgli = callPackage ../development/libraries/libmowgli { };
+
+  libmng = callPackage ../development/libraries/libmng { };
+
+  libmnl = callPackage ../development/libraries/libmnl { };
+
+  libmodplug = callPackage ../development/libraries/libmodplug {};
+
+  libmpcdec = callPackage ../development/libraries/libmpcdec { };
+
+  libmp3splt = callPackage ../development/libraries/libmp3splt { };
+
+  libmrss = callPackage ../development/libraries/libmrss { };
+
+  libmsn = callPackage ../development/libraries/libmsn { };
+
+  libmspack = callPackage ../development/libraries/libmspack { };
+
+  libmusclecard = callPackage ../development/libraries/libmusclecard { };
+
+  libmusicbrainz2 = callPackage ../development/libraries/libmusicbrainz/2.x.nix { };
+
+  libmusicbrainz3 = callPackage ../development/libraries/libmusicbrainz { };
+
+  libmusicbrainz5 = callPackage ../development/libraries/libmusicbrainz/5.x.nix { };
+
+  libmusicbrainz = libmusicbrainz3;
+
+  libmwaw = callPackage ../development/libraries/libmwaw { };
+
+  libmx = callPackage ../development/libraries/libmx { };
+
+  libnet = callPackage ../development/libraries/libnet { };
+
+  libnetfilter_conntrack = callPackage ../development/libraries/libnetfilter_conntrack { };
+
+  libnetfilter_queue = callPackage ../development/libraries/libnetfilter_queue { };
+
+  libnfnetlink = callPackage ../development/libraries/libnfnetlink { };
+
+  libnftnl = callPackage ../development/libraries/libnftnl { };
+
+  libnih = callPackage ../development/libraries/libnih { };
+
+  libnova = callPackage ../development/libraries/libnova { };
+
+  libnxml = callPackage ../development/libraries/libnxml { };
+
+  libodfgen = callPackage ../development/libraries/libodfgen { };
+
+  libofa = callPackage ../development/libraries/libofa { };
+
+  libofx = callPackage ../development/libraries/libofx { };
+
+  libogg = callPackage ../development/libraries/libogg { };
+
+  liboggz = callPackage ../development/libraries/liboggz { };
+
+  liboil = callPackage ../development/libraries/liboil { };
+
+  liboop = callPackage ../development/libraries/liboop { };
+
+  libopus = callPackage ../development/libraries/libopus { };
+
+  libosinfo = callPackage ../development/libraries/libosinfo {};
+
+  libosip = callPackage ../development/libraries/osip {};
+
+  libosip_3 = callPackage ../development/libraries/osip/3.nix {};
+
+  libotr = callPackage ../development/libraries/libotr {
+    libgcrypt = libgcrypt_1_6;
+  };
+
+  libotr_3_2 = callPackage ../development/libraries/libotr/3.2.nix { };
+
+  libp11 = callPackage ../development/libraries/libp11 { };
+
+  libpar2 = callPackage ../development/libraries/libpar2 { };
+
+  libpcap = callPackage ../development/libraries/libpcap { };
+
+  libpipeline = callPackage ../development/libraries/libpipeline { };
+
+  libpng = callPackage ../development/libraries/libpng { };
+  libpng_apng = libpng.override { apngSupport = true; };
+  libpng12 = callPackage ../development/libraries/libpng/12.nix { };
+  libpng15 = callPackage ../development/libraries/libpng/15.nix { };
+
+  libpaper = callPackage ../development/libraries/libpaper { };
+
+  libproxy = callPackage ../development/libraries/libproxy {
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gcc
+      else stdenv;
+  };
+
+  libpseudo = callPackage ../development/libraries/libpseudo { };
+
+  libpwquality = callPackage ../development/libraries/libpwquality { };
+
+  libqalculate = callPackage ../development/libraries/libqalculate { };
+
+  librsvg = callPackage ../development/libraries/librsvg {
+    gtk2 = null; gtk3 = null; # neither gtk version by default
+  };
+
+  librsync = callPackage ../development/libraries/librsync { };
+
+  libsearpc = callPackage ../development/libraries/libsearpc { };
+
+  libsigcxx = callPackage ../development/libraries/libsigcxx { };
+
+  libsigcxx12 = callPackage ../development/libraries/libsigcxx/1.2.nix { };
+
+  libsigsegv = callPackage ../development/libraries/libsigsegv { };
+
+  # To bootstrap SBCL, I need CLisp 2.44.1; it needs libsigsegv 2.5
+  libsigsegv_25 = callPackage ../development/libraries/libsigsegv/2.5.nix { };
+
+  libsndfile = callPackage ../development/libraries/libsndfile { };
+
+  libsodium = callPackage ../development/libraries/libsodium { };
+
+  libsoup = callPackage ../development/libraries/libsoup { };
+
+  libssh = callPackage ../development/libraries/libssh { };
+
+  libssh2 = callPackage ../development/libraries/libssh2 { };
+
+  libstartup_notification = callPackage ../development/libraries/startup-notification { };
+
+  libspatialindex = callPackage ../development/libraries/libspatialindex { };
+
+  libspatialite = callPackage ../development/libraries/libspatialite { };
+
+  libstatgrab = callPackage ../development/libraries/libstatgrab { };
+
+  libtar = callPackage ../development/libraries/libtar { };
+
+  libtasn1 = callPackage ../development/libraries/libtasn1 { };
+
+  libtheora = callPackage ../development/libraries/libtheora { };
+
+  libtiff = callPackage ../development/libraries/libtiff { };
+
+  libtiger = callPackage ../development/libraries/libtiger { };
+
+  libtommath = callPackage ../development/libraries/libtommath { };
+
+  libtorrentRasterbar = callPackage ../development/libraries/libtorrent-rasterbar {
+    # fix "unrecognized option -arch" error
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  libtoxcore = callPackage ../development/libraries/libtoxcore { };
+
+  libtsm = callPackage ../development/libraries/libtsm { };
+
+  libtunepimp = callPackage ../development/libraries/libtunepimp { };
+
+  libtxc_dxtn = callPackage ../development/libraries/libtxc_dxtn { };
+
+  libtxc_dxtn_s2tc = callPackage ../development/libraries/libtxc_dxtn_s2tc { };
+
+  libgeotiff = callPackage ../development/libraries/libgeotiff { };
+
+  libunistring = callPackage ../development/libraries/libunistring { };
+
+  libupnp = callPackage ../development/libraries/pupnp { };
+
+  giflib = giflib_5_1;
+  giflib_4_1 = callPackage ../development/libraries/giflib/4.1.nix { };
+  giflib_5_0 = callPackage ../development/libraries/giflib/5.0.nix { };
+  giflib_5_1 = callPackage ../development/libraries/giflib/5.1.nix { };
+
+  libungif = callPackage ../development/libraries/giflib/libungif.nix { };
+
+  libunibreak = callPackage ../development/libraries/libunibreak { };
+
+  libunique = callPackage ../development/libraries/libunique/default.nix { };
+
+  liburcu = callPackage ../development/libraries/liburcu { };
+
+  libusb = callPackage ../development/libraries/libusb {};
+
+  libusb1 = callPackage ../development/libraries/libusb1 {
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  libunwind = callPackage ../development/libraries/libunwind { };
+
+  libuvVersions = callPackage ../development/libraries/libuv { };
+
+  libv4l = lowPrio (v4l_utils.override {
+    withQt4 = false;
+  });
+
+  libva = callPackage ../development/libraries/libva { };
+
+  libvdpau = callPackage ../development/libraries/libvdpau { };
+
+  libvirt = callPackage ../development/libraries/libvirt { };
+
+  libvirt-glib = callPackage ../development/libraries/libvirt-glib { };
+
+  libvisio = callPackage ../development/libraries/libvisio { };
+
+  libvisual = callPackage ../development/libraries/libvisual { };
+
+  libvncserver = callPackage ../development/libraries/libvncserver {};
+
+  libviper = callPackage ../development/libraries/libviper { };
+
+  libvpx = callPackage ../development/libraries/libvpx { };
+
+  libvterm = callPackage ../development/libraries/libvterm { };
+
+  libvorbis = callPackage ../development/libraries/libvorbis { };
+
+  libwebp = callPackage ../development/libraries/libwebp { };
+
+  libwmf = callPackage ../development/libraries/libwmf { };
+
+  libwnck = libwnck2;
+  libwnck2 = callPackage ../development/libraries/libwnck { };
+  libwnck3 = callPackage ../development/libraries/libwnck/3.x.nix { };
+
+  libwpd = callPackage ../development/libraries/libwpd { };
+
+  libwpd_08 = callPackage ../development/libraries/libwpd/0.8.nix { };
+
+  libwpg = callPackage ../development/libraries/libwpg { };
+
+  libx86 = builderDefsPackage ../development/libraries/libx86 {};
+
+  libxdg_basedir = callPackage ../development/libraries/libxdg-basedir { };
+
+  libxkbcommon = callPackage ../development/libraries/libxkbcommon { };
+
+  libxklavier = callPackage ../development/libraries/libxklavier { };
+
+  libxmi = callPackage ../development/libraries/libxmi { };
+
+  libxml2 = callPackage ../development/libraries/libxml2 {
+    pythonSupport = false;
+  };
+
+  libxml2Python = lowPrio (libxml2.override {
+    pythonSupport = true;
+  });
+
+  libxmlxx = callPackage ../development/libraries/libxmlxx { };
+
+  libxmp = callPackage ../development/libraries/libxmp { };
+
+  libxslt = callPackage ../development/libraries/libxslt { };
+
+  libixp_for_wmii = lowPrio (import ../development/libraries/libixp_for_wmii {
+    inherit fetchurl stdenv;
+  });
+
+  libyaml = callPackage ../development/libraries/libyaml { };
+
+  libyamlcpp = callPackage ../development/libraries/libyaml-cpp { };
+
+  libyubikey = callPackage ../development/libraries/libyubikey {};
+
+  libzip = callPackage ../development/libraries/libzip { };
+
+  libzdb = callPackage ../development/libraries/libzdb { };
+
+  libzrtpcpp = callPackage ../development/libraries/libzrtpcpp { };
+  libzrtpcpp_1_6 = callPackage ../development/libraries/libzrtpcpp/1.6.nix {
+    ccrtp = ccrtp_1_8;
+  };
+
+  libwacom = callPackage ../development/libraries/libwacom { };
+
+  lightning = callPackage ../development/libraries/lightning { };
+
+  lirc = callPackage ../development/libraries/lirc { };
+
+  liquidfun = callPackage ../development/libraries/liquidfun { };
+
+  liquidwar = builderDefsPackage ../games/liquidwar {
+    inherit (xlibs) xproto libX11 libXrender;
+    inherit gmp mesa libjpeg
+      expat gettext perl
+      SDL SDL_image SDL_mixer SDL_ttf
+      curl sqlite
+      libogg libvorbis libcaca csound cunit
+      ;
+    guile = guile_1_8;
+    libpng = libpng15; # 0.0.13 needs libpng 1.2--1.5
+  };
+
+  log4cpp = callPackage ../development/libraries/log4cpp { };
+
+  log4cxx = callPackage ../development/libraries/log4cxx { };
+
+  log4cplus = callPackage ../development/libraries/log4cplus { };
+
+  loudmouth = callPackage ../development/libraries/loudmouth { };
+
+  lzo = callPackage ../development/libraries/lzo { };
+
+  mdds_0_7_1 = callPackage ../development/libraries/mdds/0.7.1.nix { };
+  mdds = callPackage ../development/libraries/mdds { };
+
+  # failed to build
+  mediastreamer = callPackage ../development/libraries/mediastreamer { };
+
+  menu-cache = callPackage ../development/libraries/menu-cache { };
+
+  mesaSupported = lib.elem system lib.platforms.mesaPlatforms;
+
+  mesaDarwinOr = alternative: if stdenv.isDarwin
+    then callPackage ../development/libraries/mesa-darwin { }
+    else alternative;
+  mesa_noglu = mesaDarwinOr (callPackage ../development/libraries/mesa {
+    # makes it slower, but during runtime we link against just mesa_drivers
+    # through /run/opengl-driver*, which is overriden according to config.grsecurity
+    grsecEnabled = true;
+  });
+  mesa_glu =  mesaDarwinOr (callPackage ../development/libraries/mesa-glu { });
+  mesa_drivers = mesaDarwinOr (
+    let mo = mesa_noglu.override {
+      grsecEnabled = config.grsecurity or false;
+    };
+    in mo.drivers
+  );
+  mesa = mesaDarwinOr (buildEnv {
+    name = "mesa-${mesa_noglu.version}";
+    paths = [ mesa_noglu mesa_glu ];
+  });
+
+  metaEnvironment = recurseIntoAttrs (let callPackage = newScope pkgs.metaEnvironment; in rec {
+    sdfLibrary    = callPackage ../development/libraries/sdf-library { aterm = aterm28; };
+    toolbuslib    = callPackage ../development/libraries/toolbuslib { aterm = aterm28; inherit (windows) w32api; };
+    cLibrary      = callPackage ../development/libraries/c-library { aterm = aterm28; };
+    errorSupport  = callPackage ../development/libraries/error-support { aterm = aterm28; };
+    ptSupport     = callPackage ../development/libraries/pt-support { aterm = aterm28; };
+    ptableSupport = callPackage ../development/libraries/ptable-support { aterm = aterm28; };
+    configSupport = callPackage ../development/libraries/config-support { aterm = aterm28; };
+    asfSupport    = callPackage ../development/libraries/asf-support { aterm = aterm28; };
+    tideSupport   = callPackage ../development/libraries/tide-support { aterm = aterm28; };
+    rstoreSupport = callPackage ../development/libraries/rstore-support { aterm = aterm28; };
+    sdfSupport    = callPackage ../development/libraries/sdf-support { aterm = aterm28; };
+    sglr          = callPackage ../development/libraries/sglr { aterm = aterm28; };
+    ascSupport    = callPackage ../development/libraries/asc-support { aterm = aterm28; };
+    pgen          = callPackage ../development/libraries/pgen { aterm = aterm28; };
+  });
+
+  ming = callPackage ../development/libraries/ming { };
+
+  minizip = callPackage ../development/libraries/minizip { };
+
+  minmay = callPackage ../development/libraries/minmay { };
+
+  miro = callPackage ../applications/video/miro {
+    inherit (pythonPackages) pywebkitgtk pysqlite pycurl mutagen;
+  };
+
+  mkvtoolnix = callPackage ../applications/video/mkvtoolnix { };
+
+  mlt-qt4 = callPackage ../development/libraries/mlt {
+    qt = qt4;
+    SDL = SDL_pulseaudio;
+  };
+
+  mlt-qt5 = callPackage ../development/libraries/mlt {
+    qt = qt5;
+    SDL = SDL_pulseaudio;
+  };
+
+  movit = callPackage ../development/libraries/movit { };
+
+  mps = callPackage ../development/libraries/mps { };
+
+  libmpeg2 = callPackage ../development/libraries/libmpeg2 { };
+
+  mpeg2dec = libmpeg2;
+
+  msilbc = callPackage ../development/libraries/msilbc { };
+
+  mp4v2 = callPackage ../development/libraries/mp4v2 { };
+
+  mpc = callPackage ../development/libraries/mpc { };
+
+  mpich2 = callPackage ../development/libraries/mpich2 { };
+
+  mtdev = callPackage ../development/libraries/mtdev { };
+
+  mtpfs = callPackage ../tools/filesystems/mtpfs { };
+
+  mu = callPackage ../tools/networking/mu {
+    texinfo = texinfo4;
+  };
+
+  muparser = callPackage ../development/libraries/muparser { };
+
+  mygpoclient = callPackage ../development/python-modules/mygpoclient { };
+
+  mygui = callPackage ../development/libraries/mygui {};
+
+  myguiSvn = callPackage ../development/libraries/mygui/svn.nix {};
+
+  mysocketw = callPackage ../development/libraries/mysocketw { };
+
+  mythes = callPackage ../development/libraries/mythes { };
+
+  nanomsg = callPackage ../development/libraries/nanomsg { };
+
+  ncurses = callPackage ../development/libraries/ncurses {
+    unicode = system != "i686-cygwin";
+  };
+
+  neon = callPackage ../development/libraries/neon {
+    compressionSupport = true;
+    sslSupport = true;
+  };
+
+  nethack = builderDefsPackage (import ../games/nethack) {
+    inherit ncurses flex bison;
+  };
+
+  nettle = callPackage ../development/libraries/nettle { };
+
+  newt = callPackage ../development/libraries/newt { };
+
+  nix-plugins = callPackage ../development/libraries/nix-plugins {
+    nix = pkgs.nixUnstable;
+  };
+
+  nspr = callPackage ../development/libraries/nspr { };
+
+  nss = lowPrio (callPackage ../development/libraries/nss { });
+
+  nssTools = callPackage ../development/libraries/nss {
+    includeTools = true;
+  };
+
+  ntrack = callPackage ../development/libraries/ntrack { };
+
+  nvidia-texture-tools = callPackage ../development/libraries/nvidia-texture-tools { };
+
+  ode = builderDefsPackage (import ../development/libraries/ode) { };
+
+  ogre = callPackage ../development/libraries/ogre {};
+
+  ogrepaged = callPackage ../development/libraries/ogrepaged { };
+
+  oniguruma = callPackage ../development/libraries/oniguruma { };
+
+  openal = callPackage ../development/libraries/openal { };
+
+  # added because I hope that it has been easier to compile on x86 (for blender)
+  openalSoft = callPackage ../development/libraries/openal-soft { };
+
+  openbabel = callPackage ../development/libraries/openbabel { };
+
+  opencascade = callPackage ../development/libraries/opencascade { };
+
+  opencascade_6_5 = callPackage ../development/libraries/opencascade/6.5.nix {
+    automake = automake111x;
+    ftgl = ftgl212;
+  };
+
+  opencascade_oce = callPackage ../development/libraries/opencascade/oce.nix { };
+
+  opencsg = callPackage ../development/libraries/opencsg { };
+
+  openct = callPackage ../development/libraries/openct { };
+
+  opencv = callPackage ../development/libraries/opencv { };
+
+  opencv_2_1 = callPackage ../development/libraries/opencv/2.1.nix {
+    libpng = libpng12;
+  };
+
+  # this ctl version is needed by openexr_viewers
+  openexr_ctl = callPackage ../development/libraries/openexr_ctl { };
+
+  openexr = callPackage ../development/libraries/openexr { };
+
+  openldap = callPackage ../development/libraries/openldap {
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  openlierox = callPackage ../games/openlierox { };
+
+  libopensc_dnie = callPackage ../development/libraries/libopensc-dnie { };
+
+  opencolorio = callPackage ../development/libraries/opencolorio { };
+
+  ois = callPackage ../development/libraries/ois {};
+
+  opal = callPackage ../development/libraries/opal {};
+
+  openjpeg = callPackage ../development/libraries/openjpeg { lcms = lcms2; };
+
+  openscenegraph = callPackage ../development/libraries/openscenegraph {
+    giflib = giflib_4_1;
+    ffmpeg = ffmpeg_0_10;
+  };
+
+  openspades = callPackage ../games/openspades {};
+
+  libressl = callPackage ../development/libraries/libressl { };
+
+  boringssl = callPackage ../development/libraries/boringssl { };
+
+  openssl = callPackage ../development/libraries/openssl {
+    fetchurl = fetchurlBoot;
+    cryptodevHeaders = linuxPackages.cryptodev.override {
+      fetchurl = fetchurlBoot;
+      onlyHeaders = true;
+    };
+  };
+
+  ortp = callPackage ../development/libraries/ortp {
+    srtp = srtp_linphone;
+  };
+
+  p11_kit = callPackage ../development/libraries/p11-kit { };
+
+  paperkey = callPackage ../tools/security/paperkey { };
+
+  pangoxsl = callPackage ../development/libraries/pangoxsl { };
+
+  pcl = callPackage ../development/libraries/pcl {
+    vtk = vtkWithQt4;
+  };
+
+  pcre = callPackage ../development/libraries/pcre {
+    unicodeSupport = config.pcre.unicode or true;
+  };
+
+  pdf2xml = callPackage ../development/libraries/pdf2xml {} ;
+
+  phonon = callPackage ../development/libraries/phonon { };
+
+  phonon_backend_gstreamer = callPackage ../development/libraries/phonon-backend-gstreamer { };
+
+  phonon_backend_vlc = callPackage ../development/libraries/phonon-backend-vlc { };
+
+  physfs = callPackage ../development/libraries/physfs { };
+
+  pkcs11helper = callPackage ../development/libraries/pkcs11helper { };
+
+  plib = callPackage ../development/libraries/plib { };
+
+  pocketsphinx = callPackage ../development/libraries/pocketsphinx { };
+
+  podofo = callPackage ../development/libraries/podofo { lua5 = lua5_1; };
+
+  polkit = callPackage ../development/libraries/polkit {
+    spidermonkey = spidermonkey_185;
+  };
+
+  polkit_qt_1 = callPackage ../development/libraries/polkit-qt-1 { };
+
+  policykit = callPackage ../development/libraries/policykit { };
+
+  poppler = callPackage ../development/libraries/poppler { lcms = lcms2; };
+  popplerQt4 = poppler.poppler_qt4;
+
+  popt = callPackage ../development/libraries/popt { };
+
+  portaudio = callPackage ../development/libraries/portaudio {
+    # resolves a variety of compile-time errors
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  portaudioSVN = callPackage ../development/libraries/portaudio/svn-head.nix { };
+
+  portmidi = callPackage ../development/libraries/portmidi {};
+
+  prison = callPackage ../development/libraries/prison { };
+
+  proj = callPackage ../development/libraries/proj { };
+
+  postgis = callPackage ../development/libraries/postgis { };
+
+  protobuf = callPackage ../development/libraries/protobuf { };
+
+  protobufc = callPackage ../development/libraries/protobufc { };
+
+  pth = callPackage ../development/libraries/pth { };
+
+  ptlib = callPackage ../development/libraries/ptlib {};
+
+  re2 = callPackage ../development/libraries/re2 { };
+
+  qca2 = callPackage ../development/libraries/qca2 {};
+
+  qca2_ossl = callPackage ../development/libraries/qca2/ossl.nix {};
+
+  qimageblitz = callPackage ../development/libraries/qimageblitz {};
+
+  qjson = callPackage ../development/libraries/qjson { };
+
+  qoauth = callPackage ../development/libraries/qoauth { };
+
+  quazip = callPackage ../development/libraries/quazip { };
+
+  qt3 = callPackage ../development/libraries/qt-3 {
+    openglSupport = mesaSupported;
+    libpng = libpng12;
+  };
+
+  qt4 = pkgs.kde4.qt4;
+
+  qt48 = callPackage ../development/libraries/qt-4.x/4.8 {
+    # GNOME dependencies are not used unless gtkStyle == true
+    mesa = mesa_noglu;
+    inherit (pkgs.gnome) libgnomeui GConf gnome_vfs;
+    cups = if stdenv.isLinux then cups else null;
+
+    # resolve unrecognised flag '-fconstant-cfstrings' errors
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  qt48Full = appendToName "full" (qt48.override {
+    docs = true;
+    demos = true;
+    examples = true;
+    developerBuild = true;
+  });
+
+  qt4SDK = qtcreator.override {
+    sdkBuild = true;
+    qtLib = qt48Full;
+  };
+
+  qt53Full = appendToName "full" (qt53.override {
+    buildDocs = true;
+    buildExamples = true;
+    buildTests = true;
+    developerBuild = true;
+  });
+
+  qt53 = callPackage ../development/libraries/qt-5/qt-5.3.nix {
+    mesa = mesa_noglu;
+    cups = if stdenv.isLinux then cups else null;
+    # GNOME dependencies are not used unless gtkStyle == true
+    inherit (gnome) libgnomeui GConf gnome_vfs;
+    bison = bison2; # error: too few arguments to function 'int yylex(...
+  };
+
+  qt5 = callPackage ../development/libraries/qt-5 {
+    mesa = mesa_noglu;
+    cups = if stdenv.isLinux then cups else null;
+    # GNOME dependencies are not used unless gtkStyle == true
+    inherit (gnome) libgnomeui GConf gnome_vfs;
+    bison = bison2; # error: too few arguments to function 'int yylex(...
+  };
+
+  qt5Full = appendToName "full" (qt5.override {
+    buildDocs = true;
+    buildExamples = true;
+    buildTests = true;
+    developerBuild = true;
+  });
+
+  qt5SDK = qtcreator.override {
+    sdkBuild = true;
+    qtLib = qt5Full;
+  };
+
+  qtcreator = callPackage ../development/qtcreator {
+    qtLib = qt48.override { developerBuild = true; };
+  };
+
+  qtscriptgenerator = callPackage ../development/libraries/qtscriptgenerator { };
+
+  quesoglc = callPackage ../development/libraries/quesoglc { };
+
+  qwt = callPackage ../development/libraries/qwt {};
+
+  qwt6 = callPackage ../development/libraries/qwt/6.nix { };
+
+  rabbitmq-c = callPackage ../development/libraries/rabbitmq-c {};
+
+  rabbitmq-java-client = callPackage ../development/libraries/rabbitmq-java-client {};
+
+  raul = callPackage ../development/libraries/audio/raul { };
+
+  readline = readline6;
+  readline6 = readline63;
+
+  readline5 = callPackage ../development/libraries/readline/5.x.nix { };
+
+  readline62 = callPackage ../development/libraries/readline/6.2.nix { };
+
+  readline63 = callPackage ../development/libraries/readline/6.3.nix { };
+
+  librdf_raptor = callPackage ../development/libraries/librdf/raptor.nix { };
+
+  librdf_raptor2 = callPackage ../development/libraries/librdf/raptor2.nix { };
+
+  librdf_rasqal = callPackage ../development/libraries/librdf/rasqal.nix { };
+
+  librdf_redland = callPackage ../development/libraries/librdf/redland.nix { };
+
+  librdf = callPackage ../development/libraries/librdf { };
+
+  lilv = callPackage ../development/libraries/audio/lilv { };
+
+  lv2 = callPackage ../development/libraries/audio/lv2 { };
+
+  lvtk = callPackage ../development/libraries/audio/lvtk { };
+
+  qrupdate = callPackage ../development/libraries/qrupdate { };
+
+  redland = pkgs.librdf_redland;
+
+  rhino = callPackage ../development/libraries/java/rhino {
+    javac = gcj;
+    jvm = gcj;
+  };
+
+  rlog = callPackage ../development/libraries/rlog { };
+
+  rubberband = callPackage ../development/libraries/rubberband {
+    fftw = fftwSinglePrec;
+    inherit (vamp) vampSDK;
+  };
+
+  sbc = callPackage ../development/libraries/sbc { };
+
+  schroedinger = callPackage ../development/libraries/schroedinger { };
+
+  SDL = callPackage ../development/libraries/SDL {
+    openglSupport = mesaSupported;
+    alsaSupport = (!stdenv.isDarwin);
+    x11Support = true;
+    pulseaudioSupport = stdenv.isDarwin; # better go through ALSA
+
+    # resolve the unrecognized -fpascal-strings option error
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  # Fixes major problems with choppy sound in MLT / Kdenlive / Shotcut
+  SDL_pulseaudio = SDL.override { pulseaudioSupport = true; };
+
+  SDL_gfx = callPackage ../development/libraries/SDL_gfx { };
+
+  SDL_image = callPackage ../development/libraries/SDL_image {
+    # provide an Objective-C compiler
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  SDL_mixer = callPackage ../development/libraries/SDL_mixer { };
+
+  SDL_net = callPackage ../development/libraries/SDL_net { };
+
+  SDL_sound = callPackage ../development/libraries/SDL_sound { };
+
+  SDL_ttf = callPackage ../development/libraries/SDL_ttf { };
+
+  SDL2 = callPackage ../development/libraries/SDL2 {
+    openglSupport = mesaSupported;
+    alsaSupport = true;
+    x11Support = true;
+    pulseaudioSupport = false; # better go through ALSA
+  };
+
+  SDL2_image = callPackage ../development/libraries/SDL2_image { };
+
+  SDL2_mixer = callPackage ../development/libraries/SDL2_mixer { };
+
+  SDL2_net = callPackage ../development/libraries/SDL2_net { };
+
+  SDL2_gfx = callPackage ../development/libraries/SDL2_gfx { };
+
+  serd = callPackage ../development/libraries/serd {};
+
+  serf = callPackage ../development/libraries/serf {};
+
+  silgraphite = callPackage ../development/libraries/silgraphite {};
+  graphite2 = callPackage ../development/libraries/silgraphite/graphite2.nix {};
+
+  simgear = callPackage ../development/libraries/simgear { };
+
+  sfml_git = callPackage ../development/libraries/sfml { };
+
+  skalibs = callPackage ../development/libraries/skalibs { };
+
+  slang = callPackage ../development/libraries/slang { };
+
+  slibGuile = callPackage ../development/libraries/slib {
+    scheme = guile_1_8;
+    texinfo = texinfo4; # otherwise erros: must be after `@defun' to use `@defunx'
+  };
+
+  smpeg = callPackage ../development/libraries/smpeg { };
+
+  snack = callPackage ../development/libraries/snack {
+        # optional
+  };
+
+  snappy = callPackage ../development/libraries/snappy { };
+
+  sodium = callPackage ../development/libraries/sodium {};
+
+  sofia_sip = callPackage ../development/libraries/sofia-sip { };
+
+  soprano = callPackage ../development/libraries/soprano { };
+
+  soqt = callPackage ../development/libraries/soqt { };
+
+  sord = callPackage ../development/libraries/sord {};
+
+  spandsp = callPackage ../development/libraries/spandsp {};
+
+  speechd = callPackage ../development/libraries/speechd { };
+
+  speech_tools = callPackage ../development/libraries/speech-tools {};
+
+  speex = callPackage ../development/libraries/speex { };
+
+  sphinxbase = callPackage ../development/libraries/sphinxbase { };
+
+  sphinxsearch = callPackage ../servers/search/sphinxsearch { };
+
+  spice = callPackage ../development/libraries/spice {
+    celt = celt_0_5_1;
+    inherit (xlibs) libXrandr libXfixes libXext libXrender libXinerama;
+    inherit (pythonPackages) pyparsing;
+  };
+
+  spice_gtk = callPackage ../development/libraries/spice-gtk { };
+
+  spice_protocol = callPackage ../development/libraries/spice-protocol { };
+
+  sratom = callPackage ../development/libraries/audio/sratom { };
+
+  srtp = callPackage ../development/libraries/srtp {};
+
+  srtp_linphone = callPackage ../development/libraries/srtp/linphone.nix { };
+
+  sqlite = lowPrio (callPackage ../development/libraries/sqlite {
+    readline = null;
+    ncurses = null;
+  });
+
+  sqliteInteractive = appendToName "interactive" (sqlite.override {
+    inherit readline ncurses;
+  });
+
+  sqlcipher = lowPrio (callPackage ../development/libraries/sqlcipher {
+    readline = null;
+    ncurses = null;
+  });
+
+  stfl = callPackage ../development/libraries/stfl {
+    stdenv = if stdenv.isDarwin
+      then overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  stlink = callPackage ../development/tools/misc/stlink { };
+
+  steghide = callPackage ../tools/security/steghide {};
+
+  stepmania = callPackage ../games/stepmania {};
+
+  stlport = callPackage ../development/libraries/stlport { };
+
+  strigi = callPackage ../development/libraries/strigi { clucene_core = clucene_core_2; };
+
+  subtitleeditor = callPackage ../applications/video/subtitleeditor { };
+
+  suil = callPackage ../development/libraries/audio/suil { };
+
+  suitesparse = callPackage ../development/libraries/suitesparse { };
+
+  sutils = callPackage ../tools/misc/sutils { };
+
+  sword = callPackage ../development/libraries/sword { };
+
+  szip = callPackage ../development/libraries/szip { };
+
+  t1lib = callPackage ../development/libraries/t1lib { };
+
+  taglib = callPackage ../development/libraries/taglib { };
+
+  taglib_extras = callPackage ../development/libraries/taglib-extras { };
+
+  talloc = callPackage ../development/libraries/talloc { };
+
+  tclap = callPackage ../development/libraries/tclap {};
+
+  tclgpg = callPackage ../development/libraries/tclgpg { };
+
+  tcllib = callPackage ../development/libraries/tcllib { };
+
+  tcltls = callPackage ../development/libraries/tcltls { };
+
+  tdb = callPackage ../development/libraries/tdb { };
+
+  tecla = callPackage ../development/libraries/tecla { };
+
+  telepathy_glib = callPackage ../development/libraries/telepathy/glib { };
+
+  telepathy_farstream = callPackage ../development/libraries/telepathy/farstream {};
+
+  telepathy_qt = callPackage ../development/libraries/telepathy/qt { };
+
+  thrift = callPackage ../development/libraries/thrift { };
+
+  tinyxml = tinyxml2;
+
+  tinyxml2 = callPackage ../development/libraries/tinyxml/2.6.2.nix { };
+
+  tk = callPackage ../development/libraries/tk { };
+
+  tnt = callPackage ../development/libraries/tnt { };
+
+  tokyocabinet = callPackage ../development/libraries/tokyo-cabinet { };
+  tokyotyrant = callPackage ../development/libraries/tokyo-tyrant { };
+
+  tremor = callPackage ../development/libraries/tremor { };
+
+  unicap = callPackage ../development/libraries/unicap {};
+
+  tsocks = callPackage ../development/libraries/tsocks { };
+
+  unixODBC = callPackage ../development/libraries/unixODBC { };
+
+  unixODBCDrivers = recurseIntoAttrs (import ../development/libraries/unixODBCDrivers {
+    inherit fetchurl stdenv unixODBC glibc libtool openssl zlib;
+    inherit postgresql mysql sqlite;
+  });
+
+  urt = callPackage ../development/libraries/urt { };
+
+  ustr = callPackage ../development/libraries/ustr { };
+
+  usbredir = callPackage ../development/libraries/usbredir {
+    libusb = libusb1;
+  };
+
+  ucommon = callPackage ../development/libraries/ucommon { };
+
+  v8 = callPackage ../development/libraries/v8 {
+    inherit (pythonPackages) gyp;
+  };
+
+  vaapiIntel = callPackage ../development/libraries/vaapi-intel { };
+
+  vaapiVdpau = callPackage ../development/libraries/vaapi-vdpau { };
+
+  vamp = callPackage ../development/libraries/audio/vamp { };
+
+  vcdimager = callPackage ../development/libraries/vcdimager { };
+
+  vigra = callPackage ../development/libraries/vigra {
+    inherit (pkgs.pythonPackages) numpy;
+  };
+
+  vlock = callPackage ../misc/screensavers/vlock { };
+
+  vmime = callPackage ../development/libraries/vmime { };
+
+  vrpn = callPackage ../development/libraries/vrpn { };
+
+  vtk = callPackage ../development/libraries/vtk { };
+
+  vtkWithQt4 = vtk.override { qtLib = qt4; };
+
+  vxl = callPackage ../development/libraries/vxl {
+    libpng = libpng12;
+  };
+
+  wayland = callPackage ../development/libraries/wayland { };
+
+  webkit = webkitgtk;
+
+  webkitgtk = callPackage ../development/libraries/webkitgtk {
+    harfbuzz = harfbuzz.override {
+      withIcu = true;
+    };
+    gst-plugins-base = gst_all_1.gst-plugins-base;
+  };
+
+  webkitgtk2 = webkitgtk.override {
+    withGtk2 = true;
+    enableIntrospection = false;
+  };
+
+  wildmidi = callPackage ../development/libraries/wildmidi { };
+
+  wvstreams = callPackage ../development/libraries/wvstreams { };
+
+  wxGTK = wxGTK28;
+
+  wxGTK28 = callPackage ../development/libraries/wxGTK-2.8 {
+    inherit (gnome) GConf;
+    withMesa = lib.elem system lib.platforms.mesaPlatforms;
+  };
+
+  wxGTK29 = callPackage ../development/libraries/wxGTK-2.9/default.nix {
+    inherit (gnome) GConf;
+    withMesa = lib.elem system lib.platforms.mesaPlatforms;
+
+    # use for Objective-C++ compiler
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  wxGTK30 = callPackage ../development/libraries/wxGTK-3.0/default.nix {
+    inherit (gnome) GConf;
+    withMesa = lib.elem system lib.platforms.mesaPlatforms;
+
+    # use for Objective-C++ compiler
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  wtk = callPackage ../development/libraries/wtk { };
+
+  x264 = callPackage ../development/libraries/x264 { };
+
+  xapian = callPackage ../development/libraries/xapian { };
+
+  xapianBindings = callPackage ../development/libraries/xapian/bindings {  # TODO perl php Java, tcl, C#, python
+  };
+
+  xapian10 = callPackage ../development/libraries/xapian/1.0.x.nix { };
+
+  xapianBindings10 = callPackage ../development/libraries/xapian/bindings/1.0.x.nix {  # TODO perl php Java, tcl, C#, python
+  };
+
+  Xaw3d = callPackage ../development/libraries/Xaw3d { };
+
+  xbase = callPackage ../development/libraries/xbase { };
+
+  xcb-util-cursor = callPackage ../development/libraries/xcb-util-cursor { };
+
+  xdo = callPackage ../tools/misc/xdo { };
+
+  xineLib = callPackage ../development/libraries/xine-lib {
+    ffmpeg = ffmpeg_1;
+  };
+
+  xautolock = callPackage ../misc/screensavers/xautolock { };
+
+  xercesc = callPackage ../development/libraries/xercesc {};
+
+  xlibsWrapper = callPackage ../development/libraries/xlibs-wrapper {
+    packages = [
+      freetype fontconfig xlibs.xproto xlibs.libX11 xlibs.libXt
+      xlibs.libXft xlibs.libXext xlibs.libSM xlibs.libICE
+      xlibs.xextproto
+    ];
+  };
+
+  xmlrpc_c = callPackage ../development/libraries/xmlrpc-c { };
+
+  xmlsec = callPackage ../development/libraries/xmlsec { };
+
+  xvidcore = callPackage ../development/libraries/xvidcore { };
+
+  xylib = callPackage ../development/libraries/xylib { };
+
+  yajl = callPackage ../development/libraries/yajl { };
+
+  zangband = builderDefsPackage (import ../games/zangband) {
+    inherit ncurses flex bison autoconf automake m4 coreutils;
+  };
+
+  zeitgeist = callPackage ../development/libraries/zeitgeist { };
+
+  zlib = callPackage ../development/libraries/zlib {
+    fetchurl = fetchurlBoot;
+  };
+
+  zlibStatic = lowPrio (appendToName "static" (callPackage ../development/libraries/zlib {
+    static = true;
+  }));
+
+  zeromq2 = callPackage ../development/libraries/zeromq/2.x.nix {};
+  zeromq3 = callPackage ../development/libraries/zeromq/3.x.nix {};
+  zeromq4 = callPackage ../development/libraries/zeromq/4.x.nix {};
+
+  zziplib = callPackage ../development/libraries/zziplib { };
+
+  ### DEVELOPMENT / LIBRARIES / AGDA
+
+  agda = callPackage ../build-support/agda {
+    glibcLocales = if pkgs.stdenv.isLinux then pkgs.glibcLocales else null;
+    extension = self : super : {};
+    Agda = haskellPackages.Agda;
+    inherit writeScriptBin;
+  };
+
+  agdaBase = callPackage ../development/libraries/agda/agda-base {};
+
+  agdaIowaStdlib = callPackage ../development/libraries/agda/agda-iowa-stdlib {};
+
+  agdaPrelude = callPackage ../development/libraries/agda/agda-prelude {};
+
+  AgdaStdlib = callPackage ../development/compilers/agda/stdlib.nix {
+    inherit (haskellPackages) ghc filemanip;
+  };
+
+  AgdaSheaves = callPackage ../development/libraries/agda/AgdaSheaves {};
+
+  bitvector = callPackage ../development/libraries/agda/bitvector {};
+
+  categories = callPackage ../development/libraries/agda/categories {};
+
+  pretty = callPackage ../development/libraries/agda/pretty {};
+
+  TotalParserCombinators = callPackage ../development/libraries/agda/TotalParserCombinators {};
+
+  ### DEVELOPMENT / LIBRARIES / JAVA
+
+  atermjava = callPackage ../development/libraries/java/aterm {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  commonsBcel = callPackage ../development/libraries/java/commons/bcel { };
+
+  commonsCompress = callPackage ../development/libraries/java/commons/compress { };
+
+  commonsFileUpload = callPackage ../development/libraries/java/commons/fileupload { };
+
+  commonsLang = callPackage ../development/libraries/java/commons/lang { };
+
+  commonsIo = callPackage ../development/libraries/java/commons/io { };
+
+  commonsMath = callPackage ../development/libraries/java/commons/math { };
+
+  fastjar = callPackage ../development/tools/java/fastjar { };
+
+  httpunit = callPackage ../development/libraries/java/httpunit { };
+
+  gwtdragdrop = callPackage ../development/libraries/java/gwt-dragdrop { };
+
+  gwtwidgets = callPackage ../development/libraries/java/gwt-widgets { };
+
+  javaCup = callPackage ../development/libraries/java/cup { };
+
+  javasvn = callPackage ../development/libraries/java/javasvn { };
+
+  jclasslib = callPackage ../development/tools/java/jclasslib { };
+
+  jdom = callPackage ../development/libraries/java/jdom { };
+
+  jflex = callPackage ../development/libraries/java/jflex { };
+
+  jjtraveler = callPackage ../development/libraries/java/jjtraveler {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  junit = callPackage ../development/libraries/java/junit { antBuild = releaseTools.antBuild; };
+
+  junixsocket = callPackage ../development/libraries/java/junixsocket { };
+
+  jzmq = callPackage ../development/libraries/java/jzmq { };
+
+  lucene = callPackage ../development/libraries/java/lucene { };
+
+  mockobjects = callPackage ../development/libraries/java/mockobjects { };
+
+  saxon = callPackage ../development/libraries/java/saxon { };
+
+  saxonb = callPackage ../development/libraries/java/saxon/default8.nix { };
+
+  sharedobjects = callPackage ../development/libraries/java/shared-objects {
+    stdenv = overrideInStdenv stdenv [gnumake380];
+  };
+
+  smack = callPackage ../development/libraries/java/smack { };
+
+  swt = callPackage ../development/libraries/java/swt {
+    inherit (gnome) libsoup;
+  };
+
+
+  ### DEVELOPMENT / LIBRARIES / JAVASCRIPT
+
+  jquery = callPackage ../development/libraries/javascript/jquery { };
+
+  jquery-ui = callPackage ../development/libraries/javascript/jquery-ui { };
+
+  yuicompressor = callPackage ../development/tools/yuicompressor { };
+
+  ### DEVELOPMENT / LISP MODULES
+
+  asdf = callPackage ../development/lisp-modules/asdf {
+    texLive = null;
+  };
+
+  clwrapperFunction = callPackage ../development/lisp-modules/clwrapper;
+
+  wrapLisp = lisp: clwrapperFunction { inherit lisp; };
+
+  lispPackagesFor = clwrapper: callPackage ../development/lisp-modules/lisp-packages.nix {
+    inherit clwrapper;
+  };
+
+  lispPackagesClisp = lispPackagesFor (wrapLisp clisp);
+  lispPackagesSBCL = lispPackagesFor (wrapLisp sbcl);
+  lispPackages = recurseIntoAttrs lispPackagesSBCL;
+
+
+  ### DEVELOPMENT / PERL MODULES
+
+  buildPerlPackage = import ../development/perl-modules/generic perl;
+
+  perlPackages = recurseIntoAttrs (import ./perl-packages.nix {
+    inherit pkgs;
+    overrides = (config.perlPackageOverrides or (p: {})) pkgs;
+  });
+
+  perl514Packages = import ./perl-packages.nix {
+    pkgs = pkgs // {
+      perl = perl514;
+      buildPerlPackage = import ../development/perl-modules/generic perl514;
+    };
+    overrides = (config.perl514PackageOverrides or (p: {})) pkgs;
+  };
+
+  perlXMLParser = perlPackages.XMLParser;
+
+  ack = perlPackages.ack;
+
+  perlArchiveCpio = perlPackages.ArchiveCpio;
+
+  perlcritic = perlPackages.PerlCritic;
+
+  planetary_annihilation = callPackage ../games/planetaryannihilation { };
+
+  ### DEVELOPMENT / PYTHON MODULES
+
+  # python function with default python interpreter
+  buildPythonPackage = pythonPackages.buildPythonPackage;
+
+  # `nix-env -i python-nose` installs for 2.7, the default python.
+  # Therefore we do not recurse into attributes here, in contrast to
+  # python27Packages. `nix-env -iA python26Packages.nose` works
+  # regardless.
+  python26Packages = import ./python-packages.nix {
+    inherit pkgs;
+    python = python26;
+  };
+
+  python27Packages = lib.hiPrioSet (recurseIntoAttrs (import ./python-packages.nix {
+    inherit pkgs;
+    python = python27;
+  }));
+
+  python32Packages = import ./python-packages.nix {
+    inherit pkgs;
+    python = python32;
+  };
+
+  python33Packages = recurseIntoAttrs (import ./python-packages.nix {
+    inherit pkgs;
+    python = python33;
+  });
+
+  python34Packages = recurseIntoAttrs (import ./python-packages.nix {
+    inherit pkgs;
+    python = python34;
+  });
+
+  pypyPackages = recurseIntoAttrs (import ./python-packages.nix {
+    inherit pkgs;
+    python = pypy;
+  });
+
+  foursuite = callPackage ../development/python-modules/4suite { };
+
+  bsddb3 = callPackage ../development/python-modules/bsddb3 { };
+
+  ecdsa = callPackage ../development/python-modules/ecdsa { };
+
+  numeric = callPackage ../development/python-modules/numeric { };
+
+  pil = pythonPackages.pil;
+
+  psyco = callPackage ../development/python-modules/psyco { };
+
+  pycairo = pythonPackages.pycairo;
+
+  pycapnp = pythonPackages.pycapnp;
+
+  pycrypto = pythonPackages.pycrypto;
+
+  pycups = callPackage ../development/python-modules/pycups { };
+
+  pyexiv2 = callPackage ../development/python-modules/pyexiv2 { };
+
+  pygame = callPackage ../development/python-modules/pygame { };
+
+  pygobject = pythonPackages.pygobject;
+
+  pygobject3 = pythonPackages.pygobject3;
+
+  pygtk = pythonPackages.pygtk;
+
+  pyGtkGlade = pythonPackages.pyGtkGlade;
+
+  pylint = callPackage ../development/python-modules/pylint { };
+
+  pyopenssl = builderDefsPackage (import ../development/python-modules/pyopenssl) {
+    inherit python openssl;
+  };
+
+  rhpl = callPackage ../development/python-modules/rhpl { };
+
+  sip = pythonPackages.sip;
+
+  pyqt4 = callPackage ../development/python-modules/pyqt/4.x.nix {
+    stdenv = if stdenv.isDarwin
+      then clangStdenv
+      else stdenv;
+  };
+
+  pysideApiextractor = callPackage ../development/python-modules/pyside/apiextractor.nix { };
+
+  pysideGeneratorrunner = callPackage ../development/python-modules/pyside/generatorrunner.nix { };
+
+  pyside = callPackage ../development/python-modules/pyside { };
+
+  pysideTools = callPackage ../development/python-modules/pyside/tools.nix { };
+
+  pysideShiboken = callPackage ../development/python-modules/pyside/shiboken.nix { };
+
+  pyx = callPackage ../development/python-modules/pyx { };
+
+  pyxml = callPackage ../development/python-modules/pyxml { };
+
+  rbtools = callPackage ../development/python-modules/rbtools { };
+
+  setuptools = pythonPackages.setuptools;
+
+  slowaes = callPackage ../development/python-modules/slowaes { };
+
+  wxPython = pythonPackages.wxPython;
+  wxPython28 = pythonPackages.wxPython28;
+
+  twisted = pythonPackages.twisted;
+
+  ZopeInterface = pythonPackages.zope_interface;
+
+  ### DEVELOPMENT / R MODULES
+
+  R = callPackage ../applications/science/math/R {
+    inherit (xlibs) libX11 libXt;
+    texLive = texLiveAggregationFun { paths = [ texLive texLiveExtra ]; };
+    withRecommendedPackages = false;
+  };
+
+  rWrapper = callPackage ../development/r-modules/wrapper.nix {
+    # Those packages are usually installed as part of the R build.
+    recommendedPackages = with rPackages; [ MASS lattice Matrix nlme
+      survival boot cluster codetools foreign KernSmooth rpart class
+      nnet spatial mgcv ];
+    # Override this attribute to register additional libraries.
+    packages = [];
+  };
+
+  rPackages = import ../development/r-modules/cran-packages.nix {
+    inherit pkgs;
+    overrides = (config.rPackageOverrides or (p: {})) pkgs;
+  };
+
+  ### SERVERS
+
+  rdf4store = callPackage ../servers/http/4store { };
+
+  apacheHttpd = pkgs.apacheHttpd_2_2;
+
+  apacheHttpd_2_2 = callPackage ../servers/http/apache-httpd/2.2.nix {
+    sslSupport = true;
+  };
+
+  apacheHttpd_2_4 = lowPrio (callPackage ../servers/http/apache-httpd/2.4.nix {
+    sslSupport = true;
+  });
+
+  cassandra = callPackage ../servers/nosql/cassandra { };
+
+  apache-jena = callPackage ../servers/nosql/apache-jena/binary.nix {
+    java = icedtea7_jdk;
+  };
+
+  apcupsd = callPackage ../servers/apcupsd { };
+
+  sabnzbd = callPackage ../servers/sabnzbd { };
+
+  bind = callPackage ../servers/dns/bind { };
+
+  bird = callPackage ../servers/bird { };
+
+  couchdb = callPackage ../servers/http/couchdb {
+    spidermonkey = spidermonkey_185;
+    python = python27;
+    sphinx = python27Packages.sphinx;
+    erlang = erlangR16;
+  };
+
+  dico = callPackage ../servers/dico { };
+
+  dict = callPackage ../servers/dict {
+      libmaa = callPackage ../servers/dict/libmaa.nix {};
+  };
+
+  dictdDBs = recurseIntoAttrs (import ../servers/dict/dictd-db.nix {
+    inherit builderDefs;
+  });
+
+  dictDBCollector = import ../servers/dict/dictd-db-collector.nix {
+    inherit stdenv lib dict;
+  };
+
+  dictdWiktionary = callPackage ../servers/dict/dictd-wiktionary.nix {};
+
+  dictdWordnet = callPackage ../servers/dict/dictd-wordnet.nix {};
+
+  diod = callPackage ../servers/diod { lua = lua5_1; };
+
+  dovecot = dovecot21;
+
+  dovecot21 = callPackage ../servers/mail/dovecot { };
+
+  dovecot22 = callPackage ../servers/mail/dovecot/2.2.x.nix { };
+
+  dovecot_pigeonhole = callPackage ../servers/mail/dovecot-pigeonhole { };
+
+  etcd = callPackage ../servers/etcd { };
+
+  ejabberd = callPackage ../servers/xmpp/ejabberd {
+    erlang = erlangR16;
+  };
+
+  prosody = recurseIntoAttrs (
+    callPackage ../servers/xmpp/prosody {
+      lua5 = lua5_1;
+      inherit (lua51Packages) luasocket luasec luaexpat luafilesystem;
+  });
+
+  elasticmq = callPackage ../servers/elasticmq { };
+
+  etcdctl = callPackage ../development/tools/etcdctl { };
+
+  fcgiwrap = callPackage ../servers/fcgiwrap { };
+
+  felix = callPackage ../servers/felix { };
+
+  felix_remoteshell = callPackage ../servers/felix/remoteshell.nix { };
+
+  fingerd_bsd = callPackage ../servers/fingerd/bsd-fingerd { };
+
+  firebird = callPackage ../servers/firebird { icu = null; };
+  firebirdSuper = callPackage ../servers/firebird { superServer = true; };
+
+  fleet = callPackage ../servers/fleet { };
+
+  freepops = callPackage ../servers/mail/freepops { };
+
+  freeswitch = callPackage ../servers/sip/freeswitch { };
+
+  ghostOne = callPackage ../servers/games/ghost-one {
+    boost = boost144.override { taggedLayout = true; };
+  };
+
+  ircdHybrid = callPackage ../servers/irc/ircd-hybrid { };
+
+  jboss = callPackage ../servers/http/jboss { };
+
+  jboss_mysql_jdbc = callPackage ../servers/http/jboss/jdbc/mysql { };
+
+  jetty = callPackage ../servers/http/jetty { };
+
+  jetty61 = callPackage ../servers/http/jetty/6.1 { };
+
+  joseki = callPackage ../servers/http/joseki {};
+
+  leafnode = callPackage ../servers/news/leafnode { };
+
+  lighttpd = callPackage ../servers/http/lighttpd { };
+
+  mailman = callPackage ../servers/mail/mailman { };
+
+  mediatomb = callPackage ../servers/mediatomb { };
+
+  memcached = callPackage ../servers/memcached {};
+
+  mod_dnssd = callPackage ../servers/http/apache-modules/mod_dnssd/default.nix { };
+
+  mod_evasive = callPackage ../servers/http/apache-modules/mod_evasive { };
+
+  mod_python = callPackage ../servers/http/apache-modules/mod_python { };
+
+  mod_fastcgi = callPackage ../servers/http/apache-modules/mod_fastcgi { };
+
+  mod_wsgi = callPackage ../servers/http/apache-modules/mod_wsgi { };
+
+  mpd = callPackage ../servers/mpd {
+    aacSupport    = config.mpd.aacSupport or true;
+    ffmpegSupport = config.mpd.ffmpegSupport or true;
+  };
+
+  mpd_clientlib = callPackage ../servers/mpd/clientlib.nix { };
+
+  miniHttpd = callPackage ../servers/http/mini-httpd {};
+
+  mlmmj = callPackage ../servers/mail/mlmmj { };
+
+  myserver = callPackage ../servers/http/myserver { };
+
+  nginx = callPackage ../servers/http/nginx {
+    rtmp        = true;
+    fullWebDAV  = true;
+    syslog      = true;
+    moreheaders = true;
+  };
+
+  ngircd = callPackage ../servers/irc/ngircd { };
+
+  nix-binary-cache = callPackage ../servers/http/nix-binary-cache {};
+
+  nsd = callPackage ../servers/dns/nsd (config.nsd or {});
+
+  nsq = callPackage ../servers/nsq { };
+
+  openresty = callPackage ../servers/http/openresty { };
+
+  opensmtpd = callPackage ../servers/mail/opensmtpd { };
+
+  petidomo = callPackage ../servers/mail/petidomo { };
+
+  popa3d = callPackage ../servers/mail/popa3d { };
+
+  postfix = callPackage ../servers/mail/postfix { };
+
+  postfix211 = callPackage ../servers/mail/postfix/2.11.nix { };
+
+  pulseaudio = callPackage ../servers/pulseaudio {
+    gconf = gnome.GConf;
+    # The following are disabled in the default build, because if this
+    # functionality is desired, they are only needed in the PulseAudio
+    # server.
+    bluez = null;
+    avahi = null;
+  };
+  pulseaudioFull = pulseaudio.override {
+    bluez = bluez5;
+    avahi = avahi;
+    jackaudioSupport = true;
+    x11Support = true;
+  };
+
+  tomcat_connectors = callPackage ../servers/http/apache-modules/tomcat-connectors { };
+
+  pies = callPackage ../servers/pies { };
+
+  portmap = callPackage ../servers/portmap { };
+
+  rpcbind = callPackage ../servers/rpcbind { };
+
+  #monetdb = callPackage ../servers/sql/monetdb { };
+
+  mariadb = callPackage ../servers/sql/mariadb {};
+
+  mongodb = callPackage ../servers/nosql/mongodb {
+    sasl = cyrus_sasl;
+  };
+
+  riak = callPackage ../servers/nosql/riak/1.3.1.nix { };
+
+  influxdb = callPackage ../servers/nosql/influxdb { };
+
+  mysql51 = import ../servers/sql/mysql/5.1.x.nix {
+    inherit fetchurl ncurses zlib perl openssl stdenv;
+    ps = procps; /* !!! Linux only */
+  };
+
+  mysql55 = callPackage ../servers/sql/mysql/5.5.x.nix { };
+
+  mysql = mysql51;
+
+  mysql_jdbc = callPackage ../servers/sql/mysql/jdbc { };
+
+  nagios = callPackage ../servers/monitoring/nagios { };
+
+  munin = callPackage ../servers/monitoring/munin { };
+
+  nagiosPluginsOfficial = callPackage ../servers/monitoring/nagios/plugins/official-2.x.nix { };
+
+  neo4j = callPackage ../servers/nosql/neo4j { };
+
+  net_snmp = callPackage ../servers/monitoring/net-snmp { };
+
+  riemann = callPackage ../servers/monitoring/riemann { };
+
+  oidentd = callPackage ../servers/identd/oidentd { };
+
+  openfire = callPackage ../servers/xmpp/openfire { };
+
+  oracleXE = callPackage ../servers/sql/oracle-xe { };
+
+  OVMF = callPackage ../applications/virtualization/OVMF { };
+
+  postgresql = postgresql92;
+
+  postgresql84 = callPackage ../servers/sql/postgresql/8.4.x.nix { };
+
+  postgresql90 = callPackage ../servers/sql/postgresql/9.0.x.nix { };
+
+  postgresql91 = callPackage ../servers/sql/postgresql/9.1.x.nix { };
+
+  postgresql92 = callPackage ../servers/sql/postgresql/9.2.x.nix { };
+
+  postgresql93 = callPackage ../servers/sql/postgresql/9.3.x.nix { };
+
+  postgresql94 = callPackage ../servers/sql/postgresql/9.4.x.nix { };
+
+  postgresql_jdbc = callPackage ../servers/sql/postgresql/jdbc { };
+
+  psqlodbc = callPackage ../servers/sql/postgresql/psqlodbc { };
+
+  pyIRCt = builderDefsPackage (import ../servers/xmpp/pyIRCt) {
+    inherit xmpppy pythonIRClib python makeWrapper;
+  };
+
+  pyMAILt = builderDefsPackage (import ../servers/xmpp/pyMAILt) {
+    inherit xmpppy python makeWrapper fetchcvs;
+  };
+
+  qpid-cpp = callPackage ../servers/amqp/qpid-cpp { };
+
+  rabbitmq_server = callPackage ../servers/amqp/rabbitmq-server { };
+
+  radius = callPackage ../servers/radius { };
+
+  redis = callPackage ../servers/nosql/redis { };
+
+  redstore = callPackage ../servers/http/redstore { };
+
+  restund = callPackage ../servers/restund {};
+
+  rethinkdb = callPackage ../servers/nosql/rethinkdb { };
+
+  rippled = callPackage ../servers/rippled { };
+
+  s6 = callPackage ../servers/s6 { };
+
+  spamassassin = callPackage ../servers/mail/spamassassin {
+    inherit (perlPackages) HTMLParser NetDNS NetAddrIP DBFile
+      HTTPDate MailDKIM LWP IOSocketSSL;
+  };
+
+  samba = callPackage ../servers/samba { };
+
+  # A lightweight Samba, useful for non-Linux-based OSes.
+  samba_light = lowPrio (callPackage ../servers/samba {
+    pam = null;
+    fam = null;
+    cups = null;
+    acl = null;
+    openldap = null;
+    # libunwind 1.0.1 is not ported to GNU/Hurd.
+    libunwind = null;
+  });
+
+  serfdom = callPackage ../servers/serfdom { };
+
+  seyren = callPackage ../servers/monitoring/seyren { };
+
+  shishi = callPackage ../servers/shishi { };
+
+  sipwitch = callPackage ../servers/sip/sipwitch { };
+
+  spawn_fcgi = callPackage ../servers/http/spawn-fcgi { };
+
+  squids = recurseIntoAttrs( import ../servers/squid/squids.nix {
+    inherit fetchurl stdenv perl lib composableDerivation
+      openldap pam db cyrus_sasl kerberos libcap expat libxml2 libtool
+      openssl;
+  });
+  squid = squids.squid31; # has ipv6 support
+
+  thttpd = callPackage ../servers/http/thttpd { };
+
+  storm = callPackage ../servers/computing/storm { };
+
+  tomcat5 = callPackage ../servers/http/tomcat/5.0.nix { };
+
+  tomcat6 = callPackage ../servers/http/tomcat/6.0.nix { };
+
+  tomcat7 = callPackage ../servers/http/tomcat/7.0.nix { };
+
+  tomcat8 = callPackage ../servers/http/tomcat/8.0.nix { };
+
+  tomcat_mysql_jdbc = callPackage ../servers/http/tomcat/jdbc/mysql { };
+
+  torque = callPackage ../servers/computing/torque { };
+
+  axis2 = callPackage ../servers/http/tomcat/axis2 { };
+
+  unifi = callPackage ../servers/unifi { };
+
+  virtuoso6 = callPackage ../servers/sql/virtuoso/6.x.nix { };
+
+  virtuoso7 = callPackage ../servers/sql/virtuoso/7.x.nix { };
+
+  virtuoso = virtuoso6;
+
+  vsftpd = callPackage ../servers/ftp/vsftpd { };
+
+  winstone = callPackage ../servers/http/winstone { };
+
+  xinetd = callPackage ../servers/xinetd { };
+
+  zookeeper = callPackage ../servers/zookeeper { };
+
+  xquartz = callPackage ../servers/x11/xquartz { };
+  quartz-wm = callPackage ../servers/x11/quartz-wm { stdenv = clangStdenv; };
+
+  xorg = recurseIntoAttrs (import ../servers/x11/xorg/default.nix {
+    inherit clangStdenv fetchurl fetchgit fetchpatch stdenv pkgconfig intltool freetype fontconfig
+      libxslt expat libpng zlib perl mesa_drivers spice_protocol
+      dbus libuuid openssl gperf m4
+      autoconf automake libtool xmlto asciidoc flex bison python mtdev pixman;
+    mesa = mesa_noglu;
+    udev = if stdenv.isLinux then udev else null;
+    libdrm = if stdenv.isLinux then libdrm else null;
+  } // {
+    xf86videointel-testing = callPackage ../servers/x11/xorg/xf86-video-intel-testing.nix { };
+  });
+
+  xorgReplacements = callPackage ../servers/x11/xorg/replacements.nix { };
+
+  xorgVideoUnichrome = callPackage ../servers/x11/xorg/unichrome/default.nix { };
+
+  yaws = callPackage ../servers/http/yaws { };
+
+  zabbix = recurseIntoAttrs (import ../servers/monitoring/zabbix {
+    inherit fetchurl stdenv pkgconfig postgresql curl openssl zlib;
+  });
+
+  zabbix20 = callPackage ../servers/monitoring/zabbix/2.0.nix { };
+  zabbix22 = callPackage ../servers/monitoring/zabbix/2.2.nix { };
+
+
+  ### OS-SPECIFIC
+
+  afuse = callPackage ../os-specific/linux/afuse { };
+
+  amdUcode = callPackage ../os-specific/linux/microcode/amd.nix { };
+
+  autofs5 = callPackage ../os-specific/linux/autofs/autofs-v5.nix { };
+
+  _915resolution = callPackage ../os-specific/linux/915resolution { };
+
+  nfsUtils = callPackage ../os-specific/linux/nfs-utils { };
+
+  acpi = callPackage ../os-specific/linux/acpi { };
+
+  acpid = callPackage ../os-specific/linux/acpid { };
+
+  acpitool = callPackage ../os-specific/linux/acpitool { };
+
+  alienfx = callPackage ../os-specific/linux/alienfx { };
+
+  alsaLib = callPackage ../os-specific/linux/alsa-lib { };
+
+  alsaPlugins = callPackage ../os-specific/linux/alsa-plugins {
+    jack2 = null;
+  };
+
+  alsaPluginWrapper = callPackage ../os-specific/linux/alsa-plugins/wrapper.nix { };
+
+  alsaUtils = callPackage ../os-specific/linux/alsa-utils { };
+  alsaOss = callPackage ../os-specific/linux/alsa-oss { };
+
+  microcode2ucode = callPackage ../os-specific/linux/microcode/converter.nix { };
+
+  microcodeIntel = callPackage ../os-specific/linux/microcode/intel.nix { };
+
+  apparmor = callPackage ../os-specific/linux/apparmor {
+    inherit (perlPackages) LocaleGettext TermReadKey RpcXML;
+    bison = bison2;
+  };
+
+  atop = callPackage ../os-specific/linux/atop { };
+
+  audit = callPackage ../os-specific/linux/audit { };
+
+  b43Firmware_5_1_138 = callPackage ../os-specific/linux/firmware/b43-firmware/5.1.138.nix { };
+
+  b43FirmwareCutter = callPackage ../os-specific/linux/firmware/b43-firmware-cutter { };
+
+  batctl = callPackage ../os-specific/linux/batman-adv/batctl.nix { };
+
+  bluez4 = callPackage ../os-specific/linux/bluez {
+    pygobject = pygobject3;
+  };
+
+  bluez5 = lowPrio (callPackage ../os-specific/linux/bluez/bluez5.nix { });
+
+  bluez = bluez4;
+
+  inherit (pythonPackages) bedup;
+
+  beret = callPackage ../games/beret { };
+
+  bridge_utils = callPackage ../os-specific/linux/bridge-utils { };
+
+  busybox = callPackage ../os-specific/linux/busybox { };
+
+  checkpolicy = callPackage ../os-specific/linux/checkpolicy { };
+
+  checksec = callPackage ../os-specific/linux/checksec { };
+
+  cifs_utils = callPackage ../os-specific/linux/cifs-utils { };
+
+  conky = callPackage ../os-specific/linux/conky {
+    mpdSupport   = config.conky.mpdSupport   or true;
+    x11Support   = config.conky.x11Support   or false;
+    xdamage      = config.conky.xdamage      or false;
+    wireless     = config.conky.wireless     or false;
+    luaSupport   = config.conky.luaSupport   or false;
+    rss          = config.conky.rss          or false;
+    weatherMetar = config.conky.weatherMetar or false;
+    weatherXoap  = config.conky.weatherXoap  or false;
+  };
+
+  cpufrequtils = callPackage ../os-specific/linux/cpufrequtils { };
+
+  cryopid = callPackage ../os-specific/linux/cryopid { };
+
+  criu = callPackage ../os-specific/linux/criu { };
+
+  cryptsetup = callPackage ../os-specific/linux/cryptsetup { };
+
+  cramfsswap = callPackage ../os-specific/linux/cramfsswap { };
+
+  darwin = let
+    cmdline = (callPackage ../os-specific/darwin/command-line-tools {}).pure { inherit xpwn; };
+  in rec {
+    cctools = forceNativeDrv (callPackage ../os-specific/darwin/cctools-port {
+      cross = assert crossSystem != null; crossSystem;
+      inherit maloader;
+      xctoolchain = xcode.toolchain;
+    });
+
+    maloader = callPackage ../os-specific/darwin/maloader {
+      inherit opencflite;
+    };
+
+    opencflite = callPackage ../os-specific/darwin/opencflite {};
+
+    xcode = callPackage ../os-specific/darwin/xcode {};
+
+    osx_sdk = callPackage ../os-specific/darwin/osx-sdk {};
+    osx_private_sdk = callPackage ../os-specific/darwin/osx-private-sdk { inherit osx_sdk; };
+
+    security_tool = callPackage ../os-specific/darwin/security-tool { inherit osx_private_sdk; };
+
+    cmdline_sdk   = cmdline.sdk;
+    cmdline_tools = cmdline.tools;
+  };
+
+  devicemapper = lvm2;
+
+  disk_indicator = callPackage ../os-specific/linux/disk-indicator { };
+
+  dmidecode = callPackage ../os-specific/linux/dmidecode { };
+
+  dmtcp = callPackage ../os-specific/linux/dmtcp { };
+
+  dietlibc = callPackage ../os-specific/linux/dietlibc { };
+
+  directvnc = builderDefsPackage ../os-specific/linux/directvnc {
+    inherit libjpeg pkgconfig zlib directfb;
+    inherit (xlibs) xproto;
+  };
+
+  dmraid = callPackage ../os-specific/linux/dmraid {
+    devicemapper = devicemapper.override {enable_dmeventd = true;};
+  };
+
+  drbd = callPackage ../os-specific/linux/drbd { };
+
+  dstat = callPackage ../os-specific/linux/dstat {
+    # pythonFull includes the "curses" standard library module, for pretty
+    # dstat color output
+    python = pythonFull;
+  };
+
+  libossp_uuid = callPackage ../development/libraries/libossp-uuid { };
+
+  libuuid =
+    if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+    then (utillinux // {
+      crossDrv = lib.overrideDerivation utillinux.crossDrv (args: {
+        # `libblkid' fails to build on GNU/Hurd.
+        configureFlags = args.configureFlags
+          + " --disable-libblkid --disable-mount --disable-libmount"
+          + " --disable-fsck --enable-static --disable-partx";
+        doCheck = false;
+        CPPFLAGS =                    # ugly hack for ugly software!
+          lib.concatStringsSep " "
+            (map (v: "-D${v}=4096")
+                 [ "PATH_MAX" "MAXPATHLEN" "MAXHOSTNAMELEN" ]);
+      });
+    })
+    else if stdenv.isLinux
+    then utillinux
+    else null;
+
+  e3cfsprogs = callPackage ../os-specific/linux/e3cfsprogs { };
+
+  ebtables = callPackage ../os-specific/linux/ebtables { };
+
+  eject = utillinux;
+
+  ffado = callPackage ../os-specific/linux/ffado { };
+
+  fbterm = callPackage ../os-specific/linux/fbterm { };
+
+  firejail = callPackage ../os-specific/linux/firejail {};
+
+  fuse = callPackage ../os-specific/linux/fuse { };
+
+  fxload = callPackage ../os-specific/linux/fxload { };
+
+  gfxtablet = callPackage ../os-specific/linux/gfxtablet {};
+
+  gpm = callPackage ../servers/gpm { };
+
+  gradm = callPackage ../os-specific/linux/gradm {
+    flex = flex_2_5_35;
+  };
+
+  hdparm = callPackage ../os-specific/linux/hdparm { };
+
+  hibernate = callPackage ../os-specific/linux/hibernate { };
+
+  hostapd = callPackage ../os-specific/linux/hostapd { };
+
+  htop =
+    if stdenv.isLinux then
+      callPackage ../os-specific/linux/htop { }
+    else if stdenv.isDarwin then
+      callPackage ../os-specific/darwin/htop { }
+    else null;
+
+  # GNU/Hurd core packages.
+  gnu = recurseIntoAttrs (callPackage ../os-specific/gnu {
+    inherit platform crossSystem;
+  });
+
+  hwdata = callPackage ../os-specific/linux/hwdata { };
+
+  i7z = callPackage ../os-specific/linux/i7z { };
+
+  ifplugd = callPackage ../os-specific/linux/ifplugd { };
+
+  iomelt = callPackage ../os-specific/linux/iomelt { };
+
+  iotop = callPackage ../os-specific/linux/iotop { };
+
+  iproute = callPackage ../os-specific/linux/iproute { };
+
+  iputils = callPackage ../os-specific/linux/iputils {
+    sp = spCompat;
+    inherit (perlPackages) SGMLSpm;
+  };
+
+  iptables = callPackage ../os-specific/linux/iptables { };
+
+  iw = callPackage ../os-specific/linux/iw { };
+
+  jujuutils = callPackage ../os-specific/linux/jujuutils { };
+
+  kbd = callPackage ../os-specific/linux/kbd { };
+
+  kmscon = callPackage ../os-specific/linux/kmscon { };
+
+  latencytop = callPackage ../os-specific/linux/latencytop { };
+
+  ldm = callPackage ../os-specific/linux/ldm { };
+
+  libaio = callPackage ../os-specific/linux/libaio { };
+
+  libatasmart = callPackage ../os-specific/linux/libatasmart { };
+
+  libcgroup = callPackage ../os-specific/linux/libcgroup { };
+
+  libnl = callPackage ../os-specific/linux/libnl { };
+  libnl_3_2_19 = callPackage ../os-specific/linux/libnl/3.2.19.nix { };
+
+  linuxConsoleTools = callPackage ../os-specific/linux/consoletools { };
+
+  # -- Linux kernel expressions ------------------------------------------------
+
+  linuxHeaders = linuxHeaders_3_7;
+
+  linuxHeaders24Cross = forceNativeDrv (import ../os-specific/linux/kernel-headers/2.4.nix {
+    inherit stdenv fetchurl perl;
+    cross = assert crossSystem != null; crossSystem;
+  });
+
+  linuxHeaders26Cross = forceNativeDrv (import ../os-specific/linux/kernel-headers/2.6.32.nix {
+    inherit stdenv fetchurl perl;
+    cross = assert crossSystem != null; crossSystem;
+  });
+
+  linuxHeaders_3_7 = callPackage ../os-specific/linux/kernel-headers/3.7.nix { };
+
+  linuxHeaders_3_14 = callPackage ../os-specific/linux/kernel-headers/3.14.nix { };
+
+  # We can choose:
+  linuxHeadersCrossChooser = ver : if ver == "2.4" then linuxHeaders24Cross
+    else if ver == "2.6" then linuxHeaders26Cross
+    else throw "Unknown linux kernel version";
+
+  linuxHeadersCross = assert crossSystem != null;
+    linuxHeadersCrossChooser crossSystem.platform.kernelMajor;
+
+  kernelPatches = callPackage ../os-specific/linux/kernel/patches.nix { };
+
+  linux_3_2 = makeOverridable (import ../os-specific/linux/kernel/linux-3.2.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = [];
+  };
+
+  linux_3_4 = makeOverridable (import ../os-specific/linux/kernel/linux-3.4.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+      ];
+  };
+
+  linux_3_6_rpi = makeOverridable (import ../os-specific/linux/kernel/linux-rpi-3.6.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+  };
+
+  linux_3_10 = makeOverridable (import ../os-specific/linux/kernel/linux-3.10.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_12 = makeOverridable (import ../os-specific/linux/kernel/linux-3.12.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_14 = makeOverridable (import ../os-specific/linux/kernel/linux-3.14.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_15 = makeOverridable (import ../os-specific/linux/kernel/linux-3.15.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_16 = makeOverridable (import ../os-specific/linux/kernel/linux-3.16.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_17 = makeOverridable (import ../os-specific/linux/kernel/linux-3.17.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_testing = makeOverridable (import ../os-specific/linux/kernel/linux-testing.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  /* grsec configuration
+
+     We build several flavors of 'default' grsec kernels. These are
+     built by default with Hydra. If the user selects a matching
+     'default' flavor, then the pre-canned package set can be
+     chosen. Typically, users will make very basic choices like
+     'security' + 'server' or 'performance' + 'desktop' with
+     virtualisation support. These will then be picked.
+
+     Note: Xen guest kernels are included for e.g. NixOps deployments
+     to EC2, where Xen is the Hypervisor.
+  */
+
+  grFlavors = import ../build-support/grsecurity/flavors.nix;
+
+  mkGrsecurity = opts:
+    (import ../build-support/grsecurity {
+      grsecOptions = opts;
+      inherit pkgs lib;
+    });
+
+  grKernel  = opts: (mkGrsecurity opts).grsecKernel;
+  grPackage = opts: recurseIntoAttrs (mkGrsecurity opts).grsecPackage;
+
+  # Stable kernels
+  linux_grsec_stable_desktop    = grKernel grFlavors.linux_grsec_stable_desktop;
+  linux_grsec_stable_server     = grKernel grFlavors.linux_grsec_stable_server;
+  linux_grsec_stable_server_xen = grKernel grFlavors.linux_grsec_stable_server_xen;
+
+  # Testing kernels
+  linux_grsec_testing_desktop = grKernel grFlavors.linux_grsec_testing_desktop;
+  linux_grsec_testing_server  = grKernel grFlavors.linux_grsec_testing_server;
+  linux_grsec_testing_server_xen = grKernel grFlavors.linux_grsec_testing_server_xen;
+
+  /* Linux kernel modules are inherently tied to a specific kernel.  So
+     rather than provide specific instances of those packages for a
+     specific kernel, we have a function that builds those packages
+     for a specific kernel.  This function can then be called for
+     whatever kernel you're using. */
+
+  linuxPackagesFor = kernel: self: let callPackage = newScope self; in {
+    inherit kernel;
+
+    acpi_call = callPackage ../os-specific/linux/acpi-call {};
+
+    batman_adv = callPackage ../os-specific/linux/batman-adv {};
+
+    bbswitch = callPackage ../os-specific/linux/bbswitch {};
+
+    ati_drivers_x11 = callPackage ../os-specific/linux/ati-drivers { };
+
+    blcr = callPackage ../os-specific/linux/blcr { };
+
+    cryptodev = callPackage ../os-specific/linux/cryptodev { };
+
+    cpupower = callPackage ../os-specific/linux/cpupower { };
+
+    e1000e = callPackage ../os-specific/linux/e1000e {};
+
+    v4l2loopback = callPackage ../os-specific/linux/v4l2loopback { };
+
+    frandom = callPackage ../os-specific/linux/frandom { };
+
+    ktap = callPackage ../os-specific/linux/ktap { };
+
+    lttng-modules = callPackage ../os-specific/linux/lttng-modules { };
+
+    broadcom_sta = callPackage ../os-specific/linux/broadcom-sta/default.nix { };
+
+    nvidiabl = callPackage ../os-specific/linux/nvidiabl { };
+
+    nvidia_x11 = callPackage ../os-specific/linux/nvidia-x11 { };
+
+    nvidia_x11_legacy173 = callPackage ../os-specific/linux/nvidia-x11/legacy173.nix { };
+    nvidia_x11_legacy304 = callPackage ../os-specific/linux/nvidia-x11/legacy304.nix { };
+
+    openafsClient = callPackage ../servers/openafs-client { };
+
+    openiscsi = callPackage ../os-specific/linux/open-iscsi { };
+
+    wis_go7007 = callPackage ../os-specific/linux/wis-go7007 { };
+
+    kernelHeaders = callPackage ../os-specific/linux/kernel-headers { };
+
+    klibc = callPackage ../os-specific/linux/klibc { };
+
+    klibcShrunk = lowPrio (callPackage ../os-specific/linux/klibc/shrunk.nix { });
+
+
+    /* compiles but has to be integrated into the kernel somehow
+       Let's have it uncommented and finish it..
+    */
+    ndiswrapper = callPackage ../os-specific/linux/ndiswrapper { };
+
+    netatop = callPackage ../os-specific/linux/netatop { };
+
+    perf = callPackage ../os-specific/linux/kernel/perf.nix { };
+
+    psmouse_alps = callPackage ../os-specific/linux/psmouse-alps { };
+
+    seturgent = callPackage ../os-specific/linux/seturgent { };
+
+    spl = callPackage ../os-specific/linux/spl { };
+    spl_git = callPackage ../os-specific/linux/spl/git.nix { };
+
+    sysdig = callPackage ../os-specific/linux/sysdig {};
+
+    tp_smapi = callPackage ../os-specific/linux/tp_smapi { };
+
+    v86d = callPackage ../os-specific/linux/v86d { };
+
+    virtualbox = callPackage ../applications/virtualization/virtualbox {
+      stdenv = stdenv_32bit;
+      inherit (gnome) libIDL;
+      enableExtensionPack = config.virtualbox.enableExtensionPack or false;
+    };
+
+    virtualboxGuestAdditions = callPackage ../applications/virtualization/virtualbox/guest-additions { };
+
+    zfs = callPackage ../os-specific/linux/zfs { };
+    zfs_git = callPackage ../os-specific/linux/zfs/git.nix { };
+  };
+
+  # The current default kernel / kernel modules.
+  linux = linuxPackages.kernel;
+  linuxPackages = linuxPackages_3_12;
+
+  # Update this when adding the newest kernel major version!
+  linux_latest = pkgs.linux_3_17;
+  linuxPackages_latest = pkgs.linuxPackages_3_17;
+
+  # Build the kernel modules for the some of the kernels.
+  linuxPackages_3_2 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_2 linuxPackages_3_2);
+  linuxPackages_3_4 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_4 linuxPackages_3_4);
+  linuxPackages_3_6_rpi = linuxPackagesFor pkgs.linux_3_6_rpi linuxPackages_3_6_rpi;
+  linuxPackages_3_10 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_10 linuxPackages_3_10);
+  linuxPackages_3_10_tuxonice = linuxPackagesFor pkgs.linux_3_10_tuxonice linuxPackages_3_10_tuxonice;
+  linuxPackages_3_12 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_12 linuxPackages_3_12);
+  linuxPackages_3_14 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_14 linuxPackages_3_14);
+  linuxPackages_3_15 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_15 linuxPackages_3_15);
+  linuxPackages_3_16 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_16 linuxPackages_3_16);
+  linuxPackages_3_17 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_17 linuxPackages_3_17);
+  linuxPackages_testing = recurseIntoAttrs (linuxPackagesFor pkgs.linux_testing linuxPackages_testing);
+
+  # grsecurity flavors
+  # Stable kernels
+  linuxPackages_grsec_stable_desktop    = grPackage grFlavors.linux_grsec_stable_desktop;
+  linuxPackages_grsec_stable_server     = grPackage grFlavors.linux_grsec_stable_server;
+  linuxPackages_grsec_stable_server_xen = grPackage grFlavors.linux_grsec_stable_server_xen;
+
+  # Testing kernels
+  linuxPackages_grsec_testing_desktop = grPackage grFlavors.linux_grsec_testing_desktop;
+  linuxPackages_grsec_testing_server  = grPackage grFlavors.linux_grsec_testing_server;
+  linuxPackages_grsec_testing_server_xen = grPackage grFlavors.linux_grsec_testing_server_xen;
+
+  # A function to build a manually-configured kernel
+  linuxManualConfig = pkgs.buildLinux;
+  buildLinux = import ../os-specific/linux/kernel/manual-config.nix {
+    inherit (pkgs) stdenv runCommand nettools bc perl kmod writeTextFile ubootChooser;
+  };
+
+  keyutils = callPackage ../os-specific/linux/keyutils { };
+
+  libselinux = callPackage ../os-specific/linux/libselinux { };
+
+  libsemanage = callPackage ../os-specific/linux/libsemanage { };
+
+  libraw = callPackage ../development/libraries/libraw { };
+
+  libraw1394 = callPackage ../development/libraries/libraw1394 { };
+
+  libsexy = callPackage ../development/libraries/libsexy { };
+
+  libsepol = callPackage ../os-specific/linux/libsepol { };
+
+  libsmbios = callPackage ../os-specific/linux/libsmbios { };
+
+  lm_sensors = callPackage ../os-specific/linux/lm-sensors { };
+
+  lockdep = callPackage ../os-specific/linux/lockdep { };
+
+  lsiutil = callPackage ../os-specific/linux/lsiutil { };
+
+  kmod = callPackage ../os-specific/linux/kmod { };
+
+  kmod-blacklist-ubuntu = callPackage ../os-specific/linux/kmod-blacklist-ubuntu { };
+
+  kvm = qemu_kvm;
+
+  libcap = callPackage ../os-specific/linux/libcap { };
+
+  libcap_progs = callPackage ../os-specific/linux/libcap/progs.nix { };
+
+  libcap_pam = callPackage ../os-specific/linux/libcap/pam.nix { };
+
+  libcap_manpages = callPackage ../os-specific/linux/libcap/man.nix { };
+
+  libcap_ng = callPackage ../os-specific/linux/libcap-ng { };
+
+  libnscd = callPackage ../os-specific/linux/libnscd { };
+
+  libnotify = callPackage ../development/libraries/libnotify { };
+
+  libvolume_id = callPackage ../os-specific/linux/libvolume_id { };
+
+  lsscsi = callPackage ../os-specific/linux/lsscsi { };
+
+  lvm2 = callPackage ../os-specific/linux/lvm2 { };
+
+  mdadm = callPackage ../os-specific/linux/mdadm { };
+
+  mingetty = callPackage ../os-specific/linux/mingetty { };
+
+  module_init_tools = callPackage ../os-specific/linux/module-init-tools { };
+
+  aggregateModules = modules:
+    callPackage ../os-specific/linux/kmod/aggregator.nix {
+      inherit modules;
+    };
+
+  multipath_tools = callPackage ../os-specific/linux/multipath-tools { };
+
+  musl = callPackage ../os-specific/linux/musl { };
+
+  nettools = callPackage ../os-specific/linux/net-tools { };
+
+  neverball = callPackage ../games/neverball {
+    libpng = libpng15;
+  };
+
+  nftables = callPackage ../os-specific/linux/nftables { };
+
+  numactl = callPackage ../os-specific/linux/numactl { };
+
+  gocode = callPackage ../development/tools/gocode { };
+
+  gotags = callPackage ../development/tools/gotags { };
+
+  golint = callPackage ../development/tools/golint { };
+
+  gogoclient = callPackage ../os-specific/linux/gogoclient { };
+
+  nss_ldap = callPackage ../os-specific/linux/nss_ldap { };
+
+  pam = callPackage ../os-specific/linux/pam { };
+
+  # pam_bioapi ( see http://www.thinkwiki.org/wiki/How_to_enable_the_fingerprint_reader )
+
+  pam_ccreds = callPackage ../os-specific/linux/pam_ccreds { };
+
+  pam_console = callPackage ../os-specific/linux/pam_console {
+    libtool = libtool_1_5;
+  };
+
+  pam_devperm = callPackage ../os-specific/linux/pam_devperm { };
+
+  pam_krb5 = callPackage ../os-specific/linux/pam_krb5 { };
+
+  pam_ldap = callPackage ../os-specific/linux/pam_ldap { };
+
+  pam_login = callPackage ../os-specific/linux/pam_login { };
+
+  pam_mount = callPackage ../os-specific/linux/pam_mount { };
+
+  pam_ssh_agent_auth = callPackage ../os-specific/linux/pam_ssh_agent_auth { };
+
+  pam_usb = callPackage ../os-specific/linux/pam_usb { };
+
+  paxctl = callPackage ../os-specific/linux/paxctl { };
+
+  pax-utils = callPackage ../os-specific/linux/pax-utils { };
+
+  pcmciaUtils = callPackage ../os-specific/linux/pcmciautils {
+    firmware = config.pcmciaUtils.firmware or [];
+    config = config.pcmciaUtils.config or null;
+  };
+
+  plymouth = callPackage ../os-specific/linux/plymouth {
+    automake = automake113x;
+  };
+
+  pmount = callPackage ../os-specific/linux/pmount { };
+
+  pmutils = callPackage ../os-specific/linux/pm-utils { };
+
+  pmtools = callPackage ../os-specific/linux/pmtools { };
+
+  policycoreutils = callPackage ../os-specific/linux/policycoreutils { };
+
+  powertop = callPackage ../os-specific/linux/powertop { };
+
+  prayer = callPackage ../servers/prayer { };
+
+  procps = procps-ng;
+
+  procps-old = lowPrio (callPackage ../os-specific/linux/procps { });
+
+  procps-ng = callPackage ../os-specific/linux/procps-ng { };
+
+  watch = callPackage ../os-specific/linux/procps/watch.nix { };
+
+  qemu_kvm = lowPrio (qemu.override { x86Only = true; });
+
+  firmwareLinuxNonfree = callPackage ../os-specific/linux/firmware/firmware-linux-nonfree { };
+
+  radeontools = callPackage ../os-specific/linux/radeontools { };
+
+  raspberrypifw = callPackage ../os-specific/linux/firmware/raspberrypi {};
+
+  regionset = callPackage ../os-specific/linux/regionset { };
+
+  rfkill = callPackage ../os-specific/linux/rfkill { };
+
+  rfkill_udev = callPackage ../os-specific/linux/rfkill/udev.nix { };
+
+  rtkit = callPackage ../os-specific/linux/rtkit { };
+
+  sdparm = callPackage ../os-specific/linux/sdparm { };
+
+  sepolgen = callPackage ../os-specific/linux/sepolgen { };
+
+  setools = callPackage ../os-specific/linux/setools { };
+
+  shadow = callPackage ../os-specific/linux/shadow { };
+
+  smem = callPackage ../os-specific/linux/smem { };
+
+  statifier = builderDefsPackage (import ../os-specific/linux/statifier) { };
+
+  sysdig = callPackage ../os-specific/linux/sysdig {
+    kernel = null;
+  }; # pkgs.sysdig is a client, for a driver look at linuxPackagesFor
+
+  sysfsutils = callPackage ../os-specific/linux/sysfsutils { };
+
+  sysprof = callPackage ../development/tools/profiling/sysprof {
+    inherit (gnome) libglade;
+  };
+
+  # Provided with sysfsutils.
+  libsysfs = sysfsutils;
+  systool = sysfsutils;
+
+  sysklogd = callPackage ../os-specific/linux/sysklogd { };
+
+  syslinux = callPackage ../os-specific/linux/syslinux { };
+
+  sysstat = callPackage ../os-specific/linux/sysstat { };
+
+  systemd = callPackage ../os-specific/linux/systemd {
+    linuxHeaders = linuxHeaders_3_14;
+  };
+
+  systemtap = callPackage ../development/tools/profiling/systemtap {
+    inherit (gnome) libglademm;
+  };
+
+  # In nixos, you can set systemd.package = pkgs.systemd_with_lvm2 to get
+  # LVM2 working in systemd.
+  systemd_with_lvm2 = pkgs.lib.overrideDerivation pkgs.systemd (p: {
+      name = p.name + "-with-lvm2";
+      postInstall = p.postInstall + ''
+        cp "${pkgs.lvm2}/lib/systemd/system-generators/"* $out/lib/systemd/system-generators
+      '';
+  });
+
+  sysvinit = callPackage ../os-specific/linux/sysvinit { };
+
+  sysvtools = callPackage ../os-specific/linux/sysvinit {
+    withoutInitTools = true;
+  };
+
+  # FIXME: `tcp-wrapper' is actually not OS-specific.
+  tcp_wrappers = callPackage ../os-specific/linux/tcp-wrappers { };
+
+  trackballs = callPackage ../games/trackballs {
+    debug = false;
+    guile = guile_1_8;
+  };
+
+  tunctl = callPackage ../os-specific/linux/tunctl { };
+
+  ubootChooser = name : if name == "upstream" then ubootUpstream
+    else if name == "sheevaplug" then ubootSheevaplug
+    else if name == "guruplug" then ubootGuruplug
+    else if name == "nanonote" then ubootNanonote
+    else throw "Unknown uboot";
+
+  ubootUpstream = callPackage ../misc/uboot { };
+
+  ubootSheevaplug = callPackage ../misc/uboot/sheevaplug.nix { };
+
+  ubootNanonote = callPackage ../misc/uboot/nanonote.nix { };
+
+  ubootGuruplug = callPackage ../misc/uboot/guruplug.nix { };
+
+  uclibc = callPackage ../os-specific/linux/uclibc { };
+
+  uclibcCross = lowPrio (callPackage ../os-specific/linux/uclibc {
+    inherit fetchurl stdenv libiconv;
+    linuxHeaders = linuxHeadersCross;
+    gccCross = gccCrossStageStatic;
+    cross = assert crossSystem != null; crossSystem;
+  });
+
+  udev145 = callPackage ../os-specific/linux/udev/145.nix { };
+  udev = pkgs.systemd;
+
+  udisks1 = callPackage ../os-specific/linux/udisks/1-default.nix { };
+  udisks2 = callPackage ../os-specific/linux/udisks/2-default.nix { };
+  udisks = udisks1;
+
+  udisks_glue = callPackage ../os-specific/linux/udisks-glue { };
+
+  untie = callPackage ../os-specific/linux/untie { };
+
+  upower = callPackage ../os-specific/linux/upower { };
+
+  upower_99 = callPackage ../os-specific/linux/upower/0.99.nix { };
+
+  upstart = callPackage ../os-specific/linux/upstart { };
+
+  usbutils = callPackage ../os-specific/linux/usbutils { };
+
+  usermount = callPackage ../os-specific/linux/usermount { };
+
+  utillinux = lowPrio (callPackage ../os-specific/linux/util-linux {
+    ncurses = null;
+    perl = null;
+  });
+
+  utillinuxCurses = utillinux.override {
+    inherit ncurses perl;
+  };
+
+  v4l_utils = callPackage ../os-specific/linux/v4l-utils {
+    withQt4 = true;
+  };
+
+  windows = rec {
+    cygwinSetup = callPackage ../os-specific/windows/cygwin-setup { };
+
+    jom = callPackage ../os-specific/windows/jom { };
+
+    w32api = callPackage ../os-specific/windows/w32api {
+      gccCross = gccCrossStageStatic;
+      binutilsCross = binutilsCross;
+    };
+
+    w32api_headers = w32api.override {
+      onlyHeaders = true;
+    };
+
+    mingw_runtime = callPackage ../os-specific/windows/mingwrt {
+      gccCross = gccCrossMingw2;
+      binutilsCross = binutilsCross;
+    };
+
+    mingw_runtime_headers = mingw_runtime.override {
+      onlyHeaders = true;
+    };
+
+    mingw_headers1 = buildEnv {
+      name = "mingw-headers-1";
+      paths = [ w32api_headers mingw_runtime_headers ];
+    };
+
+    mingw_headers2 = buildEnv {
+      name = "mingw-headers-2";
+      paths = [ w32api mingw_runtime_headers ];
+    };
+
+    mingw_headers3 = buildEnv {
+      name = "mingw-headers-3";
+      paths = [ w32api mingw_runtime ];
+    };
+
+    mingw_w64 = callPackage ../os-specific/windows/mingw-w64 {
+      gccCross = gccCrossStageStatic;
+      binutilsCross = binutilsCross;
+    };
+
+    mingw_w64_headers = callPackage ../os-specific/windows/mingw-w64 {
+      onlyHeaders = true;
+    };
+
+    mingw_w64_pthreads = callPackage ../os-specific/windows/mingw-w64 {
+      onlyPthreads = true;
+    };
+
+    pthreads = callPackage ../os-specific/windows/pthread-w32 {
+      mingw_headers = mingw_headers3;
+    };
+
+    wxMSW = callPackage ../os-specific/windows/wxMSW-2.8 { };
+  };
+
+  wesnoth = callPackage ../games/wesnoth {
+    lua = lua5;
+  };
+
+  wirelesstools = callPackage ../os-specific/linux/wireless-tools { };
+
+  wpa_supplicant = callPackage ../os-specific/linux/wpa_supplicant { };
+
+  wpa_supplicant_gui = callPackage ../os-specific/linux/wpa_supplicant/gui.nix { };
+
+  xf86_input_mtrack = callPackage ../os-specific/linux/xf86-input-mtrack {
+    inherit (xorg) utilmacros xproto inputproto xorgserver;
+  };
+
+  xf86_input_multitouch =
+    callPackage ../os-specific/linux/xf86-input-multitouch { };
+
+  xf86_input_wacom = callPackage ../os-specific/linux/xf86-input-wacom { };
+
+  xf86_video_nested = callPackage ../os-specific/linux/xf86-video-nested {
+    inherit (xorg) fontsproto renderproto utilmacros xorgserver;
+  };
+
+  xf86_video_nouveau = xorg.xf86videonouveau;
+
+  xmoto = builderDefsPackage (import ../games/xmoto) {
+    inherit chipmunk sqlite curl zlib bzip2 libjpeg libpng
+      freeglut mesa SDL SDL_mixer SDL_image SDL_net SDL_ttf
+      lua5 ode libxdg_basedir libxml2;
+  };
+
+  xorg_sys_opengl = callPackage ../os-specific/linux/opengl/xorg-sys { };
+
+  zd1211fw = callPackage ../os-specific/linux/firmware/zd1211 { };
+
+
+  ### DATA
+
+  andagii = callPackage ../data/fonts/andagii {};
+
+  anonymousPro = callPackage ../data/fonts/anonymous-pro {};
+
+  arkpandora_ttf = builderDefsPackage (import ../data/fonts/arkpandora) { };
+
+  aurulent-sans = callPackage ../data/fonts/aurulent-sans { };
+
+  baekmuk-ttf = callPackage ../data/fonts/baekmuk-ttf { };
+
+  bakoma_ttf = callPackage ../data/fonts/bakoma-ttf { };
+
+  cacert = callPackage ../data/misc/cacert { };
+
+  cantarell_fonts = callPackage ../data/fonts/cantarell-fonts { };
+
+  comic-neue = callPackage ../data/fonts/comic-neue { };
+
+  corefonts = callPackage ../data/fonts/corefonts { };
+
+  wrapFonts = paths : ((import ../data/fonts/fontWrap) {
+    inherit fetchurl stdenv builderDefs paths;
+    inherit (xorg) mkfontdir mkfontscale;
+  });
+
+  clearlyU = callPackage ../data/fonts/clearlyU { };
+
+  cm_unicode = callPackage ../data/fonts/cm-unicode {};
+
+  dejavu_fonts = callPackage ../data/fonts/dejavu-fonts {
+    inherit (perlPackages) FontTTF;
+  };
+
+  docbook5 = callPackage ../data/sgml+xml/schemas/docbook-5.0 { };
+
+  docbook_sgml_dtd_31 = callPackage ../data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix { };
+
+  docbook_sgml_dtd_41 = callPackage ../data/sgml+xml/schemas/sgml-dtd/docbook/4.1.nix { };
+
+  docbook_xml_dtd_412 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.1.2.nix { };
+
+  docbook_xml_dtd_42 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.2.nix { };
+
+  docbook_xml_dtd_43 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.3.nix { };
+
+  docbook_xml_dtd_45 = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.5.nix { };
+
+  docbook_xml_ebnf_dtd = callPackage ../data/sgml+xml/schemas/xml-dtd/docbook-ebnf { };
+
+  docbook_xml_xslt = docbook_xsl;
+
+  docbook_xsl = callPackage ../data/sgml+xml/stylesheets/xslt/docbook-xsl { };
+
+  docbook5_xsl = docbook_xsl_ns;
+
+  docbook_xsl_ns = callPackage ../data/sgml+xml/stylesheets/xslt/docbook-xsl-ns { };
+
+  dosemu_fonts = callPackage ../data/fonts/dosemu-fonts { };
+
+  eb-garamond = callPackage ../data/fonts/eb-garamond { };
+
+  fira = callPackage ../data/fonts/fira { };
+
+  freefont_ttf = callPackage ../data/fonts/freefont-ttf { };
+
+  freepats = callPackage ../data/misc/freepats { };
+
+  gentium = callPackage ../data/fonts/gentium {};
+
+  gnome_user_docs = callPackage ../data/documentation/gnome-user-docs { };
+
+  inherit (gnome3) gsettings_desktop_schemas;
+
+  hicolor_icon_theme = callPackage ../data/icons/hicolor-icon-theme { };
+
+  inconsolata = callPackage ../data/fonts/inconsolata {};
+
+  ipafont = callPackage ../data/fonts/ipafont {};
+
+  junicode = callPackage ../data/fonts/junicode { };
+
+  kochi-substitute = callPackage ../data/fonts/kochi-substitute {};
+
+  kochi-substitute-naga10 = callPackage ../data/fonts/kochi-substitute-naga10 {};
+
+  liberation_ttf = callPackage ../data/fonts/redhat-liberation-fonts { };
+
+  libertine = builderDefsPackage (import ../data/fonts/libertine) {
+    inherit fetchurl fontforge lib;
+  };
+
+  lmmath = callPackage ../data/fonts/lmodern/lmmath.nix {};
+
+  lmodern = callPackage ../data/fonts/lmodern { };
+
+  lohit-fonts = callPackage ../data/fonts/lohit-fonts { };
+
+  manpages = callPackage ../data/documentation/man-pages { };
+
+  miscfiles = callPackage ../data/misc/miscfiles { };
+
+  mobile_broadband_provider_info = callPackage ../data/misc/mobile-broadband-provider-info { };
+
+  mph_2b_damase = callPackage ../data/fonts/mph-2b-damase { };
+
+  nafees = callPackage ../data/fonts/nafees { };
+
+  oldstandard = callPackage ../data/fonts/oldstandard { };
+
+  opensans-ttf = callPackage ../data/fonts/opensans-ttf { };
+
+  poly = callPackage ../data/fonts/poly { };
+
+  posix_man_pages = callPackage ../data/documentation/man-pages-posix { };
+
+  proggyfonts = callPackage ../data/fonts/proggyfonts { };
+
+  pthreadmanpages = callPackage ../data/documentation/pthread-man-pages { };
+
+  shared_mime_info = callPackage ../data/misc/shared-mime-info { };
+
+  shared_desktop_ontologies = callPackage ../data/misc/shared-desktop-ontologies { };
+
+  stdmanpages = callPackage ../data/documentation/std-man-pages { };
+
+  stix-otf = callPackage ../data/fonts/stix-otf { };
+
+  symbola = callPackage ../data/fonts/symbola { };
+
+  iana_etc = callPackage ../data/misc/iana-etc { };
+
+  poppler_data = callPackage ../data/misc/poppler-data { };
+
+  r3rs = callPackage ../data/documentation/rnrs/r3rs.nix { };
+
+  r4rs = callPackage ../data/documentation/rnrs/r4rs.nix { };
+
+  r5rs = callPackage ../data/documentation/rnrs/r5rs.nix { };
+
+  source-code-pro = callPackage ../data/fonts/source-code-pro {};
+
+  source-sans-pro = callPackage ../data/fonts/source-sans-pro { };
+
+  source-serif-pro = callPackage ../data/fonts/source-serif-pro { };
+
+  source-han-sans-japanese = callPackage ../data/fonts/source-han-sans/japanese.nix {};
+  source-han-sans-korean = callPackage ../data/fonts/source-han-sans/korean.nix {};
+  source-han-sans-simplified-chinese = callPackage ../data/fonts/source-han-sans/simplified-chinese.nix {};
+  source-han-sans-traditional-chinese = callPackage ../data/fonts/source-han-sans/traditional-chinese.nix {};
+
+  tango-icon-theme = callPackage ../data/icons/tango-icon-theme { };
+
+  themes = name: import (../data/misc/themes + ("/" + name + ".nix")) {
+    inherit fetchurl;
+  };
+
+  theano = callPackage ../data/fonts/theano { };
+
+  tempora_lgc = callPackage ../data/fonts/tempora-lgc { };
+
+  terminus_font = callPackage ../data/fonts/terminus-font { };
+
+  tipa = callPackage ../data/fonts/tipa { };
+
+  ttf_bitstream_vera = callPackage ../data/fonts/ttf-bitstream-vera { };
+
+  tzdata = callPackage ../data/misc/tzdata { };
+
+  ubuntu_font_family = callPackage ../data/fonts/ubuntu-font-family { };
+
+  ucsFonts = callPackage ../data/fonts/ucs-fonts { };
+
+  unifont = callPackage ../data/fonts/unifont { };
+
+  vistafonts = callPackage ../data/fonts/vista-fonts { };
+
+  wqy_microhei = callPackage ../data/fonts/wqy-microhei { };
+
+  wqy_zenhei = callPackage ../data/fonts/wqy-zenhei { };
+
+  xhtml1 = callPackage ../data/sgml+xml/schemas/xml-dtd/xhtml1 { };
+
+  xkeyboard_config = xorg.xkeyboardconfig;
+
+
+  ### APPLICATIONS
+
+  a2jmidid = callPackage ../applications/audio/a2jmidid { };
+
+  aangifte2006 = callPackage_i686 ../applications/taxes/aangifte-2006 { };
+
+  aangifte2007 = callPackage_i686 ../applications/taxes/aangifte-2007 { };
+
+  aangifte2008 = callPackage_i686 ../applications/taxes/aangifte-2008 { };
+
+  aangifte2009 = callPackage_i686 ../applications/taxes/aangifte-2009 { };
+
+  aangifte2010 = callPackage_i686 ../applications/taxes/aangifte-2010 { };
+
+  aangifte2011 = callPackage_i686 ../applications/taxes/aangifte-2011 { };
+
+  aangifte2012 = callPackage_i686 ../applications/taxes/aangifte-2012 { };
+
+  aangifte2013 = callPackage_i686 ../applications/taxes/aangifte-2013 { };
+
+  abcde = callPackage ../applications/audio/abcde {
+    inherit (perlPackages) DigestSHA MusicBrainz MusicBrainzDiscID;
+    libcdio = libcdio082;
+  };
+
+  abiword = callPackage ../applications/office/abiword {
+    inherit (gnome) libglade libgnomecanvas;
+  };
+
+  abook = callPackage ../applications/misc/abook { };
+
+  adobe-reader = callPackage_i686 ../applications/misc/adobe-reader { };
+
+  aewan = callPackage ../applications/editors/aewan { };
+
+  afterstep = callPackage ../applications/window-managers/afterstep {
+    inherit (xlibs) libX11 libXext libICE;
+    fltk = fltk13;
+    gtk = gtk2;
+  };
+
+  alchemy = callPackage ../applications/graphics/alchemy { };
+
+  alock = callPackage ../misc/screensavers/alock { };
+
+  ams-lv2 = callPackage ../applications/audio/ams-lv2 { };
+
+  amsn = callPackage ../applications/networking/instant-messengers/amsn { };
+
+  antiword = callPackage ../applications/office/antiword {};
+
+  ardour = ardour3;
+
+  ardour3 =  lowPrio (callPackage ../applications/audio/ardour {
+    inherit (gnome) libgnomecanvas libgnomecanvasmm;
+  });
+
+  arora = callPackage ../applications/networking/browsers/arora { };
+
+  atom = callPackage ../applications/editors/atom {
+    gconf = gnome.GConf;
+  };
+
+  aseprite = callPackage ../applications/editors/aseprite {
+    giflib = giflib_4_1;
+  };
+
+  audacious = callPackage ../applications/audio/audacious { };
+
+  audacity = callPackage ../applications/audio/audacity {
+    ffmpeg = ffmpeg_0_10;
+  };
+
+  milkytracker = callPackage ../applications/audio/milkytracker { };
+
+  aumix = callPackage ../applications/audio/aumix {
+    gtkGUI = false;
+  };
+
+  autopanosiftc = callPackage ../applications/graphics/autopanosiftc { };
+
+  avidemux = callPackage ../applications/video/avidemux { };
+
+  avogadro = callPackage ../applications/science/chemistry/avogadro {
+    eigen = eigen2;
+  };
+
+  avrdudess = callPackage ../applications/misc/avrdudess { };
+
+  avxsynth = callPackage ../applications/video/avxsynth { };
+
+  awesome-3-4 = callPackage ../applications/window-managers/awesome/3.4.nix {
+    cairo = cairo.override { xcbSupport = true; };
+    lua = lua5_1;
+  };
+  awesome-3-5 = callPackage ../applications/window-managers/awesome {
+    cairo = cairo.override { xcbSupport = true; };
+  };
+  awesome = awesome-3-5;
+
+  inherit (gnome3) baobab;
+
+  backintime-common = callPackage ../applications/networking/sync/backintime/common.nix { };
+
+  backintime-gnome = callPackage ../applications/networking/sync/backintime/gnome.nix { };
+
+  backintime = backintime-gnome;
+
+  bar = callPackage ../applications/window-managers/bar { };
+
+  baresip = callPackage ../applications/networking/instant-messengers/baresip {
+    ffmpeg = ffmpeg_1;
+  };
+
+  batik = callPackage ../applications/graphics/batik { };
+
+  batti = callPackage ../applications/misc/batti { };
+
+  bazaar = callPackage ../applications/version-management/bazaar { };
+
+  bazaarTools = builderDefsPackage (import ../applications/version-management/bazaar/tools.nix) {
+    inherit bazaar;
+  };
+
+  beast = callPackage ../applications/audio/beast {
+    inherit (gnome) libgnomecanvas libart_lgpl;
+    guile = guile_1_8;
+  };
+
+  bibletime = callPackage ../applications/misc/bibletime { };
+
+  bitcoin = callPackage ../applications/misc/bitcoin {};
+  bitcoind = callPackage ../applications/misc/bitcoin { gui = false; };
+
+  altcoins = recurseIntoAttrs (
+    (callPackage ../applications/misc/bitcoin/altcoins.nix {}) //
+    (callPackage ../applications/misc/bitcoin/dogecoin.nix {})
+  );
+
+  bitlbee = callPackage ../applications/networking/instant-messengers/bitlbee { };
+
+  blender = callPackage  ../applications/misc/blender {
+    python = python34;
+  };
+
+  bristol = callPackage ../applications/audio/bristol { };
+
+  bspwm = callPackage ../applications/window-managers/bspwm { };
+
+  bvi = callPackage ../applications/editors/bvi { };
+
+  calf = callPackage ../applications/audio/calf {
+      inherit (gnome) libglade;
+  };
+
+  calibre = callPackage ../applications/misc/calibre {
+    inherit (pythonPackages) pyqt5 sip_4_16;
+  };
+
+  camlistore = callPackage ../applications/misc/camlistore { };
+
+  carrier = builderDefsPackage (import ../applications/networking/instant-messengers/carrier/2.5.0.nix) {
+    inherit fetchurl stdenv pkgconfig perl perlXMLParser libxml2 openssl nss
+      gtkspell aspell gettext ncurses avahi dbus dbus_glib python
+      libtool automake autoconf gstreamer;
+    inherit gtk glib;
+    inherit (gnome) startupnotification GConf ;
+    inherit (xlibs) libXScrnSaver scrnsaverproto libX11 xproto kbproto;
+  };
+  funpidgin = carrier;
+
+  cc1394 = callPackage ../applications/video/cc1394 { };
+
+  cddiscid = callPackage ../applications/audio/cd-discid { };
+
+  cdparanoia = cdparanoiaIII;
+
+  cdparanoiaIII = callPackage ../applications/audio/cdparanoia { };
+
+  cdrtools = callPackage ../applications/misc/cdrtools { };
+
+  centerim = callPackage ../applications/networking/instant-messengers/centerim { };
+
+  cgit = callPackage ../applications/version-management/git-and-tools/cgit { };
+
+  cgminer = callPackage ../applications/misc/cgminer {
+    amdappsdk = amdappsdk28;
+  };
+
+  chatzilla = callPackage ../applications/networking/irc/chatzilla { };
+
+  chromium = callPackage ../applications/networking/browsers/chromium {
+    channel = "stable";
+    pulseSupport = config.pulseaudio or true;
+    enablePepperFlash = config.chromium.enablePepperFlash or false;
+    enablePepperPDF = config.chromium.enablePepperPDF or false;
+    hiDPISupport = config.chromium.hiDPISupport or false;
+  };
+
+  chromiumBeta = lowPrio (chromium.override { channel = "beta"; });
+
+  chromiumDev = lowPrio (chromium.override { channel = "dev"; });
+
+  cinelerra = callPackage ../applications/video/cinelerra { };
+
+  clawsMail = callPackage ../applications/networking/mailreaders/claws-mail {
+    enableNetworkManager = config.networking.networkmanager.enable or false;
+  };
+
+  clipit = callPackage ../applications/misc/clipit { };
+
+  cmplayer = callPackage ../applications/video/cmplayer {
+    pulseSupport = config.pulseaudio or false;
+  };
+
+  cmus = callPackage ../applications/audio/cmus { };
+
+  compiz = callPackage ../applications/window-managers/compiz {
+    inherit (gnome) GConf ORBit2 metacity;
+    boost = boost149; # https://bugs.launchpad.net/compiz/+bug/1131864
+  };
+
+  coriander = callPackage ../applications/video/coriander {
+    inherit (gnome) libgnomeui GConf;
+  };
+
+  csound = callPackage ../applications/audio/csound { };
+
+  cinepaint = callPackage ../applications/graphics/cinepaint {
+    fltk = fltk13;
+    libpng = libpng12;
+  };
+
+  codeblocks = callPackage ../applications/editors/codeblocks { };
+  codeblocksFull = callPackage ../applications/editors/codeblocks { contribPlugins = true; };
+
+  codeville = builderDefsPackage (import ../applications/version-management/codeville/0.8.0.nix) {
+    inherit makeWrapper;
+    python = pythonFull;
+  };
+
+  comical = callPackage ../applications/graphics/comical { };
+
+  conkeror = callPackage ../applications/networking/browsers/conkeror { };
+
+  conkerorWrapper = wrapFirefox {
+    browser = conkeror;
+    browserName = "conkeror";
+    desktopName = "Conkeror";
+  };
+
+  cuneiform = builderDefsPackage (import ../tools/graphics/cuneiform) {
+    inherit cmake patchelf;
+    imagemagick = imagemagick;
+  };
+
+  cvs = callPackage ../applications/version-management/cvs { };
+
+  cvsps = callPackage ../applications/version-management/cvsps { };
+
+  cvs2svn = callPackage ../applications/version-management/cvs2svn { };
+
+  d4x = callPackage ../applications/misc/d4x { };
+
+  darcs = with haskellPackages_ghc783; callPackage ../applications/version-management/darcs {
+    cabal = cabal.override {
+      extension = self : super : {
+        enableSharedExecutables = false;
+        isLibrary = false;
+        configureFlags = "-f-library " + super.configureFlags or "";
+      };
+    };
+  };
+
+  darktable = callPackage ../applications/graphics/darktable {
+    inherit (gnome) GConf libglade;
+  };
+
+  dd-agent = callPackage ../tools/networking/dd-agent { inherit (pythonPackages) tornado; };
+
+  deadbeef = callPackage ../applications/audio/deadbeef {
+    pulseSupport = config.pulseaudio or true;
+  };
+
+  dia = callPackage ../applications/graphics/dia {
+    inherit (pkgs.gnome) libart_lgpl libgnomeui;
+  };
+
+  diffuse = callPackage ../applications/version-management/diffuse { };
+
+  distrho = callPackage ../applications/audio/distrho {};
+
+  djvulibre = callPackage ../applications/misc/djvulibre { };
+
+  djvu2pdf = callPackage ../tools/typesetting/djvu2pdf { };
+
+  djview = callPackage ../applications/graphics/djview { };
+  djview4 = pkgs.djview;
+
+  dmenu = callPackage ../applications/misc/dmenu {
+    enableXft = config.dmenu.enableXft or false;
+  };
+
+  dmtx = builderDefsPackage (import ../tools/graphics/dmtx) {
+    inherit libpng libtiff libjpeg imagemagick librsvg
+      pkgconfig bzip2 zlib libtool freetype fontconfig
+      ghostscript jasper xz;
+    inherit (xlibs) libX11;
+  };
+
+  docker = callPackage ../applications/virtualization/docker { };
+
+  doodle = callPackage ../applications/search/doodle { };
+
+  dunst = callPackage ../applications/misc/dunst { };
+
+  dvb_apps  = callPackage ../applications/video/dvb-apps { };
+
+  dvdauthor = callPackage ../applications/video/dvdauthor { };
+
+  dwb = callPackage ../applications/networking/browsers/dwb { dconf = gnome3.dconf; };
+
+  dwbWrapper = wrapFirefox
+    { browser = dwb; browserName = "dwb"; desktopName = "dwb";
+    };
+
+  dwm = callPackage ../applications/window-managers/dwm {
+    patches = config.dwm.patches or [];
+  };
+
+  dzen2 = callPackage ../applications/window-managers/dzen2 { };
+
+  eaglemode = callPackage ../applications/misc/eaglemode { };
+
+  eclipses = recurseIntoAttrs (callPackage ../applications/editors/eclipse { });
+
+  ed = callPackage ../applications/editors/ed { };
+
+  ekho = callPackage ../applications/audio/ekho { };
+
+  electrum = callPackage ../applications/misc/electrum { };
+
+  elinks = callPackage ../applications/networking/browsers/elinks { };
+
+  elvis = callPackage ../applications/editors/elvis { };
+
+  emacs = emacs24;
+
+  emacs24 = callPackage ../applications/editors/emacs-24 {
+    # use override to enable additional features
+    libXaw = xlibs.libXaw;
+    Xaw3d = null;
+    gconf = null;
+    librsvg = null;
+    alsaLib = null;
+    imagemagick = null;
+  };
+
+  emacs24-nox = lowPrio (appendToName "nox" (emacs24.override {
+    withX = false;
+  }));
+
+  emacs24Macport = lowPrio (callPackage ../applications/editors/emacs-24/macport.nix {
+    stdenv = pkgs.clangStdenv;
+  });
+
+  emacsPackages = emacs: self: let callPackage = newScope self; in rec {
+    inherit emacs;
+
+    autoComplete = callPackage ../applications/editors/emacs-modes/auto-complete { };
+
+    bbdb = callPackage ../applications/editors/emacs-modes/bbdb { };
+
+    bbdb3 = callPackage ../applications/editors/emacs-modes/bbdb/3.nix {};
+
+    cedet = callPackage ../applications/editors/emacs-modes/cedet { };
+
+    calfw = callPackage ../applications/editors/emacs-modes/calfw { };
+
+    coffee = callPackage ../applications/editors/emacs-modes/coffee { };
+
+    colorTheme = callPackage ../applications/editors/emacs-modes/color-theme { };
+
+    colorThemeSolarized = callPackage ../applications/editors/emacs-modes/color-theme-solarized { };
+
+    cryptol = callPackage ../applications/editors/emacs-modes/cryptol { };
+
+    cua = callPackage ../applications/editors/emacs-modes/cua { };
+
+    darcsum = callPackage ../applications/editors/emacs-modes/darcsum { };
+
+    dash = callPackage ../applications/editors/emacs-modes/dash { };
+
+    # ecb = callPackage ../applications/editors/emacs-modes/ecb { };
+
+    emacsClangCompleteAsync = callPackage ../applications/editors/emacs-modes/emacs-clang-complete-async { };
+
+    emacsSessionManagement = callPackage ../applications/editors/emacs-modes/session-management-for-emacs { };
+
+    emacsw3m = callPackage ../applications/editors/emacs-modes/emacs-w3m { };
+
+    emms = callPackage ../applications/editors/emacs-modes/emms { };
+
+    ensime = callPackage ../applications/editors/emacs-modes/ensime { };
+
+    ess = callPackage ../applications/editors/emacs-modes/ess { };
+
+    flymakeCursor = callPackage ../applications/editors/emacs-modes/flymake-cursor { };
+
+    gh = callPackage ../applications/editors/emacs-modes/gh { };
+
+    graphvizDot = callPackage ../applications/editors/emacs-modes/graphviz-dot { };
+
+    gist = callPackage ../applications/editors/emacs-modes/gist { };
+
+    haskellMode = callPackage ../applications/editors/emacs-modes/haskell { };
+
+    hol_light_mode = callPackage ../applications/editors/emacs-modes/hol_light { };
+
+    htmlize = callPackage ../applications/editors/emacs-modes/htmlize { };
+
+    idris = callPackage ../applications/editors/emacs-modes/idris { };
+
+    jabber = callPackage ../applications/editors/emacs-modes/jabber { };
+
+    jade = callPackage ../applications/editors/emacs-modes/jade { };
+
+    jdee = callPackage ../applications/editors/emacs-modes/jdee { };
+
+    js2 = callPackage ../applications/editors/emacs-modes/js2 { };
+
+    logito = callPackage ../applications/editors/emacs-modes/logito { };
+
+    loremIpsum = callPackage ../applications/editors/emacs-modes/lorem-ipsum { };
+
+    magit = callPackage ../applications/editors/emacs-modes/magit { };
+
+    maudeMode = callPackage ../applications/editors/emacs-modes/maude { };
+
+    metaweblog = callPackage ../applications/editors/emacs-modes/metaweblog { };
+
+    notmuch = lowPrio (callPackage ../applications/networking/mailreaders/notmuch { });
+
+    ocamlMode = callPackage ../applications/editors/emacs-modes/ocaml { };
+
+    offlineimap = callPackage ../applications/editors/emacs-modes/offlineimap {};
+
+    # This is usually a newer version of Org-Mode than that found in GNU Emacs, so
+    # we want it to have higher precedence.
+    org = hiPrio (callPackage ../applications/editors/emacs-modes/org { });
+
+    org2blog = callPackage ../applications/editors/emacs-modes/org2blog { };
+
+    pcache = callPackage ../applications/editors/emacs-modes/pcache { };
+
+    phpMode = callPackage ../applications/editors/emacs-modes/php { };
+
+    prologMode = callPackage ../applications/editors/emacs-modes/prolog { };
+
+    proofgeneral_4_2 = callPackage ../applications/editors/emacs-modes/proofgeneral/4.2.nix {
+      texinfo = texinfo4 ;
+      texLive = pkgs.texLiveAggregationFun {
+        paths = [ pkgs.texLive pkgs.texLiveCMSuper ];
+      };
+    };
+    proofgeneral_4_3_pre = callPackage ../applications/editors/emacs-modes/proofgeneral/4.3pre.nix {
+      texinfo = texinfo4 ;
+      texLive = pkgs.texLiveAggregationFun {
+        paths = [ pkgs.texLive pkgs.texLiveCMSuper ];
+      };
+    };
+    proofgeneral = self.proofgeneral_4_2;
+
+    quack = callPackage ../applications/editors/emacs-modes/quack { };
+
+    rainbowDelimiters = callPackage ../applications/editors/emacs-modes/rainbow-delimiters { };
+
+    rectMark = callPackage ../applications/editors/emacs-modes/rect-mark { };
+
+    remember = callPackage ../applications/editors/emacs-modes/remember { };
+
+    rudel = callPackage ../applications/editors/emacs-modes/rudel { };
+
+    s = callPackage ../applications/editors/emacs-modes/s { };
+
+    sbtMode = callPackage ../applications/editors/emacs-modes/sbt-mode { };
+
+    scalaMode1 = callPackage ../applications/editors/emacs-modes/scala-mode/v1.nix { };
+    scalaMode2 = callPackage ../applications/editors/emacs-modes/scala-mode/v2.nix { };
+
+    stratego = callPackage ../applications/editors/emacs-modes/stratego { };
+
+    structuredHaskellMode = callPackage ../applications/editors/emacs-modes/structured-haskell-mode {
+      inherit (haskellPackages) cabal haskellSrcExts;
+    };
+
+    sunriseCommander = callPackage ../applications/editors/emacs-modes/sunrise-commander { };
+
+    tuaregMode = callPackage ../applications/editors/emacs-modes/tuareg { };
+
+    writeGood = callPackage ../applications/editors/emacs-modes/writegood { };
+
+    xmlRpc = callPackage ../applications/editors/emacs-modes/xml-rpc { };
+
+    cask = callPackage ../applications/editors/emacs-modes/cask { };
+  };
+
+  emacs24Packages = recurseIntoAttrs (emacsPackages emacs24 pkgs.emacs24Packages);
+
+  inherit (gnome3) empathy;
+
+  epdfview = callPackage ../applications/misc/epdfview { };
+
+  inherit (gnome3) epiphany;
+
+  espeak = callPackage ../applications/audio/espeak { };
+
+  espeakedit = callPackage ../applications/audio/espeak/edit.nix { };
+
+  esniper = callPackage ../applications/networking/esniper { };
+
+  etherape = callPackage ../applications/networking/sniffers/etherape {
+    inherit (gnome) gnomedocutils libgnome libglade libgnomeui scrollkeeper;
+  };
+
+  evilvte = callPackage ../applications/misc/evilvte {
+    configH = config.evilvte.config or "";
+  };
+
+  evopedia = callPackage ../applications/misc/evopedia { };
+
+  keepassx = callPackage ../applications/misc/keepassx { };
+  keepassx2 = callPackage ../applications/misc/keepassx/2.0.nix { };
+
+  inherit (gnome3) evince;
+  evolution_data_server = gnome3.evolution_data_server;
+
+  keepass = callPackage ../applications/misc/keepass { };
+
+  exrdisplay = callPackage ../applications/graphics/exrdisplay {
+    fltk = fltk20;
+  };
+
+  fbpanel = callPackage ../applications/window-managers/fbpanel { };
+
+  fbreader = callPackage ../applications/misc/fbreader { };
+
+  fetchmail = import ../applications/misc/fetchmail {
+    inherit stdenv fetchurl openssl;
+  };
+
+  fldigi = callPackage ../applications/audio/fldigi { };
+
+  fluidsynth = callPackage ../applications/audio/fluidsynth { };
+
+  fossil = callPackage ../applications/version-management/fossil { };
+
+  freewheeling = callPackage ../applications/audio/freewheeling { };
+
+  fribid = callPackage ../applications/networking/browsers/mozilla-plugins/fribid { };
+
+  fritzing = callPackage ../applications/science/electronics/fritzing { };
+
+  fvwm = callPackage ../applications/window-managers/fvwm { };
+
+  geany = callPackage ../applications/editors/geany { };
+
+  gksu = callPackage ../applications/misc/gksu { };
+
+  gnuradio = callPackage ../applications/misc/gnuradio {
+    inherit (pythonPackages) lxml numpy scipy matplotlib pyopengl;
+    fftw = fftwFloat;
+  };
+
+  gnuradio-osmosdr = callPackage ../applications/misc/gnuradio-osmosdr { };
+
+  goldendict = callPackage ../applications/misc/goldendict { };
+
+  google-musicmanager = callPackage ../applications/audio/google-musicmanager { };
+
+  gpicview = callPackage ../applications/graphics/gpicview { };
+
+  gqrx = callPackage ../applications/misc/gqrx { };
+
+  grass = import ../applications/misc/grass {
+    inherit (xlibs) libXmu libXext libXp libX11 libXt libSM libICE libXpm
+      libXaw libXrender;
+    inherit config composableDerivation stdenv fetchurl
+      lib flex bison cairo fontconfig
+      gdal zlib ncurses gdbm proj pkgconfig swig
+      blas liblapack libjpeg libpng mysql unixODBC mesa postgresql python
+      readline sqlite tcl tk libtiff freetype makeWrapper wxGTK;
+    fftw = fftwSinglePrec;
+    ffmpeg = ffmpeg_0_10;
+    motif = lesstif;
+    opendwg = libdwg;
+    wxPython = wxPython28;
+  };
+
+  grip = callPackage ../applications/misc/grip {
+    inherit (gnome) libgnome libgnomeui vte;
+  };
+
+  gtimelog = pythonPackages.gtimelog;
+
+  inherit (gnome3) gucharmap;
+
+  guitarix = callPackage ../applications/audio/guitarix {
+    fftw = fftwSinglePrec;
+  };
+
+  photivo = callPackage ../applications/graphics/photivo { };
+
+  wavesurfer = callPackage ../applications/misc/audio/wavesurfer { };
+
+  wireshark-cli = callPackage ../applications/networking/sniffers/wireshark {
+    withQt = false;
+    withGtk = false;
+  };
+  wireshark-gtk = wireshark-cli.override { withGtk = true; };
+  wireshark-qt = wireshark-cli.override { withQt = true; };
+  wireshark = wireshark-gtk;
+
+  wvdial = callPackage ../os-specific/linux/wvdial { };
+
+  fbida = callPackage ../applications/graphics/fbida { };
+
+  fdupes = callPackage ../tools/misc/fdupes { };
+
+  feh = callPackage ../applications/graphics/feh { };
+
+  filezilla = callPackage ../applications/networking/ftp/filezilla { };
+
+  firefox13Pkgs = callPackage ../applications/networking/browsers/firefox/13.0.nix {
+    inherit (gnome) libIDL;
+  };
+
+  firefox13Wrapper = wrapFirefox { browser = firefox13Pkgs.firefox; };
+
+  firefox = callPackage ../applications/networking/browsers/firefox {
+    inherit (gnome) libIDL;
+    inherit (pythonPackages) pysqlite;
+  };
+
+  firefoxWrapper = wrapFirefox { browser = pkgs.firefox; };
+
+  firefox-bin = callPackage ../applications/networking/browsers/firefox-bin {
+    gconf = pkgs.gnome.GConf;
+    inherit (pkgs.gnome) libgnome libgnomeui;
+    inherit (pkgs.xlibs) libX11 libXScrnSaver libXext
+      libXinerama libXrender libXt;
+  };
+
+  flac = callPackage ../applications/audio/flac { };
+
+  flashplayer = callPackage ../applications/networking/browsers/mozilla-plugins/flashplayer-11 {
+    debug = config.flashplayer.debug or false;
+  };
+
+  fluxbox = callPackage ../applications/window-managers/fluxbox { };
+
+  fme = callPackage ../applications/misc/fme {
+    inherit (gnome) libglademm;
+    inherit pkgconfig autoconf automake gettext;
+  };
+
+  freecad = callPackage ../applications/graphics/freecad {
+    opencascade = opencascade_6_5;
+    inherit (pythonPackages) matplotlib pycollada;
+  };
+
+  freemind = callPackage ../applications/misc/freemind {
+    jdk = jdk;
+    jre = jdk;
+  };
+
+  freenet = callPackage ../applications/networking/p2p/freenet { };
+
+  freepv = callPackage ../applications/graphics/freepv { };
+
+  xfontsel = callPackage ../applications/misc/xfontsel { };
+  xlsfonts = callPackage ../applications/misc/xlsfonts { };
+
+  freerdp = callPackage ../applications/networking/remote/freerdp {
+    ffmpeg = ffmpeg_1;
+  };
+
+  freerdpUnstable = callPackage ../applications/networking/remote/freerdp/unstable.nix { };
+
+  freicoin = callPackage ../applications/misc/freicoin { };
+
+  fspot = callPackage ../applications/graphics/f-spot {
+    inherit (gnome) libgnome libgnomeui;
+    gtksharp = gtksharp1;
+  };
+
+  fuze = callPackage ../applications/networking/instant-messengers/fuze {};
+
+  gcolor2 = callPackage ../applications/graphics/gcolor2 { };
+
+  get_iplayer = callPackage ../applications/misc/get_iplayer {};
+
+  gimp_2_8 = callPackage ../applications/graphics/gimp/2.8.nix {
+    inherit (gnome) libart_lgpl;
+    webkit = null;
+    lcms = lcms2;
+    wrapPython = pythonPackages.wrapPython;
+  };
+
+  gimp = gimp_2_8;
+
+  gimpPlugins = recurseIntoAttrs (import ../applications/graphics/gimp/plugins {
+    inherit pkgs gimp;
+  });
+
+  gitAndTools = recurseIntoAttrs (import ../applications/version-management/git-and-tools {
+    inherit pkgs;
+  });
+  git = gitAndTools.git;
+  gitFull = gitAndTools.gitFull;
+  gitSVN = gitAndTools.gitSVN;
+
+  gitRepo = callPackage ../applications/version-management/git-repo {
+    python = python27;
+  };
+
+  gitolite = callPackage ../applications/version-management/gitolite { };
+
+  inherit (gnome3) gitg;
+
+  giv = callPackage ../applications/graphics/giv {
+    pcre = pcre.override { unicodeSupport = true; };
+  };
+
+  gmrun = callPackage ../applications/misc/gmrun {};
+
+  gnucash = callPackage ../applications/office/gnucash {
+    inherit (gnome2) libgnomeui libgtkhtml gtkhtml libbonoboui libgnomeprint libglade libart_lgpl;
+    gconf = gnome2.GConf;
+    guile = guile_1_8;
+    slibGuile = slibGuile.override { scheme = guile_1_8; };
+    goffice = goffice_0_8;
+  };
+
+  goffice_0_8 = callPackage ../desktops/gnome-3/3.10/misc/goffice/0.8.nix {
+    inherit (gnome2) libglade libgnomeui;
+    gconf = gnome2.GConf;
+    libart = gnome2.libart_lgpl;
+  }; # latest version: gnome3.goffice
+
+  idea = recurseIntoAttrs (callPackage ../applications/editors/idea { });
+
+  libquvi = callPackage ../applications/video/quvi/library.nix { };
+
+  linssid = callPackage ../applications/networking/linssid { };
+
+  mi2ly = callPackage ../applications/audio/mi2ly {};
+
+  praat = callPackage ../applications/audio/praat { };
+
+  quvi = callPackage ../applications/video/quvi/tool.nix {
+    lua5_sockets = lua5_1_sockets;
+    lua5 = lua5_1;
+  };
+
+  quvi_scripts = callPackage ../applications/video/quvi/scripts.nix { };
+
+  qjackctl = callPackage ../applications/audio/qjackctl { };
+
+  gkrellm = callPackage ../applications/misc/gkrellm { };
+
+  gmu = callPackage ../applications/audio/gmu { };
+
+  gnash = callPackage ../applications/video/gnash {
+    inherit (gnome) gtkglext;
+  };
+
+  gnome_mplayer = callPackage ../applications/video/gnome-mplayer {
+    inherit (gnome) GConf;
+  };
+
+  gnumeric = callPackage ../applications/office/gnumeric {
+    inherit (gnome3) goffice gnome_icon_theme;
+  };
+
+  gnunet = callPackage ../applications/networking/p2p/gnunet {
+    libgcrypt = libgcrypt_1_6;
+  };
+
+  gnunet_svn = lowPrio (callPackage ../applications/networking/p2p/gnunet/svn.nix {
+    libgcrypt = libgcrypt_1_6;
+  });
+
+  gocr = callPackage ../applications/graphics/gocr { };
+
+  gobby5 = callPackage ../applications/editors/gobby {
+    inherit (gnome) gtksourceview;
+  };
+
+  gphoto2 = callPackage ../applications/misc/gphoto2 { };
+
+  gphoto2fs = builderDefsPackage ../applications/misc/gphoto2/gphotofs.nix {
+    inherit libgphoto2 fuse pkgconfig glib libtool;
+  };
+
+  graphicsmagick = callPackage ../applications/graphics/graphicsmagick { };
+  graphicsmagick_q16 = callPackage ../applications/graphics/graphicsmagick { quantumdepth = 16; };
+
+  graphicsmagick137 = callPackage ../applications/graphics/graphicsmagick/1.3.7.nix {
+    libpng = libpng12;
+  };
+
+  gtkpod = callPackage ../applications/audio/gtkpod {
+    inherit (gnome) libglade;
+  };
+
+  jbidwatcher = callPackage ../applications/misc/jbidwatcher {
+    java = if stdenv.isLinux then jre else jdk;
+  };
+
+  qrdecode = builderDefsPackage (import ../tools/graphics/qrdecode) {
+    libpng = libpng12;
+    opencv = opencv_2_1;
+  };
+
+  qrencode = callPackage ../tools/graphics/qrencode { };
+
+  gecko_mediaplayer = callPackage ../applications/networking/browsers/mozilla-plugins/gecko-mediaplayer {
+    inherit (gnome) GConf;
+    browser = firefox;
+  };
+
+  geeqie = callPackage ../applications/graphics/geeqie { };
+
+  gigedit = callPackage ../applications/audio/gigedit { };
+
+  gqview = callPackage ../applications/graphics/gqview { };
+
+  gmpc = callPackage ../applications/audio/gmpc { };
+
+  gmtk = callPackage ../applications/networking/browsers/mozilla-plugins/gmtk {
+    inherit (gnome) GConf;
+  };
+
+  googleearth = callPackage_i686 ../applications/misc/googleearth { };
+
+  google_talk_plugin = callPackage ../applications/networking/browsers/mozilla-plugins/google-talk-plugin {
+    libpng = libpng12;
+  };
+
+  gosmore = builderDefsPackage ../applications/misc/gosmore {
+    inherit fetchsvn curl pkgconfig libxml2 gtk;
+  };
+
+  gpsbabel = callPackage ../applications/misc/gpsbabel { };
+
+  gpscorrelate = callPackage ../applications/misc/gpscorrelate { };
+
+  gpsd = callPackage ../servers/gpsd { };
+
+  guitone = callPackage ../applications/version-management/guitone {
+    graphviz = graphviz_2_32;
+  };
+
+  gv = callPackage ../applications/misc/gv { };
+
+  guvcview = callPackage ../os-specific/linux/guvcview { };
+
+  hello = callPackage ../applications/misc/hello/ex-2 { };
+
+  herbstluftwm = callPackage ../applications/window-managers/herbstluftwm { };
+
+  hexchat = callPackage ../applications/networking/irc/hexchat { };
+
+  hexedit = callPackage ../applications/editors/hexedit { };
+
+  hipchat = callPackage ../applications/networking/instant-messengers/hipchat { };
+
+  homebank = callPackage ../applications/office/homebank { };
+
+  htmldoc = callPackage ../applications/misc/htmldoc {
+    fltk = fltk13;
+  };
+
+  hugin = callPackage ../applications/graphics/hugin { };
+
+  hydrogen = callPackage ../applications/audio/hydrogen { };
+
+  i3 = callPackage ../applications/window-managers/i3 { };
+
+  i3lock = callPackage ../applications/window-managers/i3/lock.nix {
+    inherit (xorg) libxkbfile;
+    cairo = cairo.override { xcbSupport = true; };
+  };
+
+  i3minator = callPackage ../tools/misc/i3minator { };
+
+  i3status = callPackage ../applications/window-managers/i3/status.nix { };
+
+  i810switch = callPackage ../os-specific/linux/i810switch { };
+
+  icewm = callPackage ../applications/window-managers/icewm { };
+
+  id3v2 = callPackage ../applications/audio/id3v2 { };
+
+  ifenslave = callPackage ../os-specific/linux/ifenslave { };
+
+  ii = callPackage ../applications/networking/irc/ii { };
+
+  ike = callPackage ../applications/networking/ike { };
+
+  ikiwiki = callPackage ../applications/misc/ikiwiki {
+    inherit (perlPackages) TextMarkdown URI HTMLParser HTMLScrubber
+      HTMLTemplate TimeDate CGISession DBFile CGIFormBuilder LocaleGettext
+      RpcXML XMLSimple PerlMagick YAML YAMLLibYAML HTMLTree Filechdir
+      AuthenPassphrase NetOpenIDConsumer LWPxParanoidAgent CryptSSLeay;
+  };
+
+  imagemagick = callPackage ../applications/graphics/ImageMagick {
+    tetex = null;
+    librsvg = null;
+  };
+
+  imagemagickBig = lowPrio (callPackage ../applications/graphics/ImageMagick { });
+
+  # Impressive, formerly known as "KeyJNote".
+  impressive = callPackage ../applications/office/impressive {
+    # XXX These are the PyOpenGL dependencies, which we need here.
+    inherit (pythonPackages) pyopengl;
+  };
+
+  inferno = callPackage_i686 ../applications/inferno { };
+
+  inkscape = callPackage ../applications/graphics/inkscape {
+    inherit (pythonPackages) lxml;
+    lcms = lcms2;
+  };
+
+  ion3 = callPackage ../applications/window-managers/ion-3 {
+    lua = lua5;
+  };
+
+  ipe = callPackage ../applications/graphics/ipe { };
+
+  iptraf = callPackage ../applications/networking/iptraf { };
+
+  irssi = callPackage ../applications/networking/irc/irssi {
+    # compile with gccApple on darwin to support the -no-cpp-precompile flag
+    stdenv = if stdenv.isDarwin
+      then stdenvAdapters.overrideGCC stdenv gccApple
+      else stdenv;
+  };
+
+  irssi_fish = callPackage ../applications/networking/irc/irssi/fish { };
+
+  irssi_otr = callPackage ../applications/networking/irc/irssi/otr { };
+
+  bip = callPackage ../applications/networking/irc/bip { };
+
+  jack_capture = callPackage ../applications/audio/jack-capture { };
+
+  jack_oscrolloscope = callPackage ../applications/audio/jack-oscrolloscope { };
+
+  jack_rack = callPackage ../applications/audio/jack-rack { };
+
+  jackmeter = callPackage ../applications/audio/jackmeter { };
+
+  jalv = callPackage ../applications/audio/jalv { };
+
+  jedit = callPackage ../applications/editors/jedit { };
+
+  jigdo = callPackage ../applications/misc/jigdo { };
+
+  jitsi = callPackage ../applications/networking/instant-messengers/jitsi { };
+
+  joe = callPackage ../applications/editors/joe { };
+
+  jbrout = callPackage ../applications/graphics/jbrout {
+    inherit (pythonPackages) lxml;
+  };
+
+  jwm = callPackage ../applications/window-managers/jwm { };
+
+  k3d = callPackage ../applications/graphics/k3d {
+    inherit (pkgs.gnome2) gtkglext;
+    boost = boost149;
+  };
+
+  keepnote = callPackage ../applications/office/keepnote {
+    pygtk = pyGtkGlade;
+  };
+
+  kermit = callPackage ../tools/misc/kermit { };
+
+  keymon = callPackage ../applications/video/key-mon { };
+
+  kid3 = callPackage ../applications/audio/kid3 {
+    qt = qt4;
+  };
+
+  kino = callPackage ../applications/video/kino {
+    inherit (gnome) libglade;
+  };
+
+  koji = callPackage ../tools/package-management/koji { };
+
+  lame = callPackage ../applications/audio/lame { };
+
+  larswm = callPackage ../applications/window-managers/larswm { };
+
+  lash = callPackage ../applications/audio/lash { };
+
+  ladspaH = callPackage ../applications/audio/ladspa-plugins/ladspah.nix { };
+
+  ladspaPlugins = callPackage ../applications/audio/ladspa-plugins {
+    fftw = fftwSinglePrec;
+  };
+
+  caps = callPackage ../applications/audio/caps { };
+
+  lastwatch = callPackage ../applications/audio/lastwatch { };
+
+  lastfmsubmitd = callPackage ../applications/audio/lastfmsubmitd { };
+
+  lbdb = callPackage ../tools/misc/lbdb { };
+
+  lci = callPackage ../applications/science/logic/lci {};
+
+  ldcpp = callPackage ../applications/networking/p2p/ldcpp {
+    inherit (gnome) libglade;
+  };
+
+  libowfat = callPackage ../development/libraries/libowfat { };
+
+  librecad = callPackage ../applications/misc/librecad { };
+
+  librecad2 = callPackage ../applications/misc/librecad/2.0.nix { };
+
+  libreoffice = callPackage ../applications/office/libreoffice {
+    inherit (perlPackages) ArchiveZip CompressZlib;
+    inherit (gnome) GConf ORBit2 gnome_vfs;
+    zip = zip.override { enableNLS = false; };
+    jdk = openjdk;
+    fontsConf = makeFontsConf {
+      fontDirectories = [
+        freefont_ttf xorg.fontmiscmisc xorg.fontbhttf
+      ];
+    };
+    clucene_core = clucene_core_2;
+    lcms = lcms2;
+    harfbuzz = harfbuzz.override {
+      withIcu = true; withGraphite2 = true;
+    };
+  };
+
+  liferea = callPackage ../applications/networking/newsreaders/liferea { };
+
+  lingot = callPackage ../applications/audio/lingot {
+    inherit (gnome) libglade;
+  };
+
+  links = callPackage ../applications/networking/browsers/links { };
+
+  ledger = callPackage ../applications/office/ledger/2.6.3.nix { };
+  ledger3 = callPackage ../applications/office/ledger/3.0.nix { };
+
+  lighttable = callPackage ../applications/editors/lighttable {};
+
+  links2 = callPackage ../applications/networking/browsers/links2 { };
+
+  linphone = callPackage ../applications/networking/instant-messengers/linphone rec {
+    inherit (gnome) libglade;
+    libexosip = libexosip_3;
+    libosip = libosip_3;
+  };
+
+  linuxsampler = callPackage ../applications/audio/linuxsampler {
+    bison = bison2;
+  };
+
+  llpp = callPackage ../applications/misc/llpp { inherit (ocamlPackages) lablgl; };
+
+  lmms = callPackage ../applications/audio/lmms { };
+
+  lrzsz = callPackage ../tools/misc/lrzsz { };
+
+  luminanceHDR = callPackage ../applications/graphics/luminance-hdr { };
+
+  lxdvdrip = callPackage ../applications/video/lxdvdrip { };
+
+  handbrake = callPackage ../applications/video/handbrake { };
+
+  lilyterm = callPackage ../applications/misc/lilyterm {
+    inherit (gnome) vte;
+    gtk = gtk2;
+  };
+
+  lynx = callPackage ../applications/networking/browsers/lynx { };
+
+  lyx = callPackage ../applications/misc/lyx { };
+
+  makeself = callPackage ../applications/misc/makeself { };
+
+  matchbox = callPackage ../applications/window-managers/matchbox { };
+
+  mcpp = callPackage ../development/compilers/mcpp { };
+
+  mda_lv2 = callPackage ../applications/audio/mda-lv2 { };
+
+  meld = callPackage ../applications/version-management/meld {
+    inherit (gnome) scrollkeeper;
+    pygtk = pyGtkGlade;
+  };
+
+  mcomix = callPackage ../applications/graphics/mcomix { };
+
+  mercurial = callPackage ../applications/version-management/mercurial {
+    inherit (pythonPackages) curses docutils;
+    guiSupport = false; # use mercurialFull to get hgk GUI
+  };
+
+  mercurialFull = appendToName "full" (pkgs.mercurial.override { guiSupport = true; });
+
+  merkaartor = callPackage ../applications/misc/merkaartor { };
+
+  meshlab = callPackage ../applications/graphics/meshlab { };
+
+  mhwaveedit = callPackage ../applications/audio/mhwaveedit {};
+
+  mid2key = callPackage ../applications/audio/mid2key { };
+
+  midori = callPackage ../applications/networking/browsers/midori { };
+
+  midoriWrapper = wrapFirefox
+    { browser = midori; browserName = "midori"; desktopName = "Midori";
+      icon = "${midori}/share/icons/hicolor/22x22/apps/midori.png";
+    };
+
+  mikmod = callPackage ../applications/audio/mikmod { };
+
+  minicom = callPackage ../tools/misc/minicom { };
+
+  minimodem = callPackage ../applications/audio/minimodem { };
+
+  minidjvu = callPackage ../applications/graphics/minidjvu { };
+
+  mirage = callPackage ../applications/graphics/mirage {};
+
+  mixxx = callPackage ../applications/audio/mixxx {
+    inherit (vamp) vampSDK;
+  };
+
+  mmex = callPackage ../applications/office/mmex { };
+
+  moc = callPackage ../applications/audio/moc { };
+
+  monero = callPackage ../applications/misc/monero { };
+
+  monkeysAudio = callPackage ../applications/audio/monkeys-audio { };
+
+  monodevelop = callPackage ../applications/editors/monodevelop {
+    inherit (gnome) gnome_vfs libbonobo libglade libgnome GConf;
+    mozilla = firefox;
+    gtksharp = gtksharp2;
+  };
+
+  monodoc = callPackage ../applications/editors/monodoc {
+    gtksharp = gtksharp1;
+  };
+
+  monotone = callPackage ../applications/version-management/monotone {
+    lua = lua5;
+    boost = boost149;
+  };
+
+  monotoneViz = builderDefsPackage (import ../applications/version-management/monotone-viz/mtn-head.nix) {
+    inherit graphviz pkgconfig autoconf automake libtool glib gtk;
+    inherit (ocamlPackages_4_01_0) lablgtk ocaml;
+    inherit (gnome) libgnomecanvas;
+  };
+
+  mopidy = callPackage ../applications/audio/mopidy { };
+
+  mopidy-spotify = callPackage ../applications/audio/mopidy-spotify { };
+
+  mopidy-moped = callPackage ../applications/audio/mopidy-moped { };
+
+  mozilla = callPackage ../applications/networking/browsers/mozilla {
+    inherit (gnome) libIDL;
+  };
+
+  mozplugger = builderDefsPackage (import ../applications/networking/browsers/mozilla-plugins/mozplugger) {
+    inherit firefox;
+    inherit (xlibs) libX11 xproto;
+  };
+
+  easytag = callPackage ../applications/audio/easytag { };
+
+  mp3info = callPackage ../applications/audio/mp3info { };
+
+  mp3splt = callPackage ../applications/audio/mp3splt { };
+
+  mpc123 = callPackage ../applications/audio/mpc123 { };
+
+  mpg123 = callPackage ../applications/audio/mpg123 { };
+
+  mpg321 = callPackage ../applications/audio/mpg321 { };
+
+  mpc_cli = callPackage ../applications/audio/mpc { };
+
+  ncmpc = callPackage ../applications/audio/ncmpc { };
+
+  ncmpcpp = callPackage ../applications/audio/ncmpcpp { };
+
+  normalize = callPackage ../applications/audio/normalize { };
+
+  mplayer = callPackage ../applications/video/mplayer {
+    pulseSupport = config.pulseaudio or false;
+    vdpauSupport = config.mplayer.vdpauSupport or false;
+  };
+
+  mplayer2 = callPackage ../applications/video/mplayer2 {
+    ffmpeg = libav_9; # see https://trac.macports.org/ticket/44386
+  };
+
+  MPlayerPlugin = browser:
+    import ../applications/networking/browsers/mozilla-plugins/mplayerplug-in {
+      inherit browser;
+      inherit fetchurl stdenv pkgconfig gettext;
+      inherit (xlibs) libXpm;
+      # !!! should depend on MPlayer
+    };
+
+  mpv = callPackage ../applications/video/mpv {
+    lua = lua5_1;
+    lua5_sockets = lua5_1_sockets;
+    bs2bSupport = config.mpv.bs2bSupport or true;
+    quviSupport = config.mpv.quviSupport or false;
+    cacaSupport = config.mpv.cacaSupport or true;
+    vaapiSupport = config.mpv.vaapiSupport or false;
+  };
+
+  mrxvt = callPackage ../applications/misc/mrxvt { };
+
+  mudlet = callPackage ../games/mudlet {
+    inherit (lua51Packages) luafilesystem lrexlib luazip luasqlite3;
+  };
+
+  multisync = callPackage ../applications/misc/multisync {
+    inherit (gnome) ORBit2 libbonobo libgnomeui GConf;
+  };
+
+  mumble = callPackage ../applications/networking/mumble {
+    avahi = avahi.override {
+      withLibdnssdCompat = true;
+    };
+    jackSupport = config.mumble.jackSupport or false;
+    speechdSupport = config.mumble.speechdSupport or false;
+  };
+
+  murmur = callPackage ../applications/networking/mumble/murmur.nix {
+    avahi = avahi.override {
+      withLibdnssdCompat = true;
+    };
+    iceSupport = config.murmur.iceSupport or true;
+  };
+
+  musescore = callPackage ../applications/audio/musescore { };
+
+  mutt = callPackage ../applications/networking/mailreaders/mutt { };
+
+  namecoin = callPackage ../applications/misc/namecoin { };
+  namecoinqt = callPackage ../applications/misc/namecoin/qt.nix { };
+
+  pcmanfm = callPackage ../applications/misc/pcmanfm { };
+
+  ruby_gpgme = callPackage ../development/libraries/ruby_gpgme {
+    ruby = ruby_1_9_3;
+    hoe = rubyLibs.hoe;
+  };
+
+  ruby_ncursesw_sup = callPackage ../development/libraries/ruby_ncursesw_sup { };
+
+  shotcut = callPackage ../applications/video/shotcut { mlt = mlt-qt5; };
+
+  smplayer = callPackage ../applications/video/smplayer { };
+
+  smtube = callPackage ../applications/video/smtube {};
+
+  sup = with rubyLibs; callPackage ../applications/networking/mailreaders/sup {
+    ruby = ruby_1_9_3.override {
+      cursesSupport = true;
+    };
+
+    inherit gettext highline iconv locale lockfile
+      text trollop xapian_ruby which;
+
+    rmail_sup = ""; # missing
+    unicode = "";
+
+    # See https://github.com/NixOS/nixpkgs/issues/1804 and
+    # https://github.com/NixOS/nixpkgs/issues/2146
+    bundler = pkgs.lib.overrideDerivation pkgs.rubyLibs.bundler (
+      oldAttrs: {
+        dontPatchShebangs = 1;
+      }
+    );
+    chronic      = chronic;
+    gpgme        = ruby_gpgme;
+    mime_types   = mime_types;
+    ncursesw_sup = ruby_ncursesw_sup;
+    rake         = rake;
+  };
+
+  synfigstudio = callPackage ../applications/graphics/synfigstudio {
+    fontsConf = makeFontsConf { fontDirectories = [ freefont_ttf ]; };
+  };
+
+  sxhkd = callPackage ../applications/window-managers/sxhkd { };
+
+  msmtp = callPackage ../applications/networking/msmtp { };
+
+  imapfilter = callPackage ../applications/networking/mailreaders/imapfilter.nix {
+    lua = lua5;
+ };
+
+  mupdf = callPackage ../applications/misc/mupdf { };
+
+  mypaint = callPackage ../applications/graphics/mypaint { };
+
+  mythtv = callPackage ../applications/video/mythtv { };
+
+  tvtime = callPackage ../applications/video/tvtime {
+    kernel = linux;
+  };
+
+  nano = callPackage ../applications/editors/nano { };
+
+  nanoblogger = callPackage ../applications/misc/nanoblogger { };
+
+  navipowm = callPackage ../applications/misc/navipowm { };
+
+  navit = callPackage ../applications/misc/navit { };
+
+  netbeans = callPackage ../applications/editors/netbeans { };
+
+  ncdu = callPackage ../tools/misc/ncdu { };
+
+  ncdc = callPackage ../applications/networking/p2p/ncdc { };
+
+  nedit = callPackage ../applications/editors/nedit {
+    motif = lesstif;
+  };
+
+  netsurfBrowser = netsurf.browser;
+  netsurf = recurseIntoAttrs (import ../applications/networking/browsers/netsurf { inherit pkgs; });
+
+  notmuch = callPackage ../applications/networking/mailreaders/notmuch {
+    # use emacsPackages.notmuch if you want emacs support
+    emacs = null;
+  };
+
+  nova = callPackage ../applications/virtualization/nova { };
+
+  novaclient = callPackage ../applications/virtualization/nova/client.nix { };
+
+  nspluginwrapper = callPackage ../applications/networking/browsers/mozilla-plugins/nspluginwrapper {};
+
+  nvi = callPackage ../applications/editors/nvi { };
+
+  nvpy = callPackage ../applications/editors/nvpy { };
+
+  obconf = callPackage ../tools/X11/obconf {
+    inherit (gnome) libglade;
+  };
+
+  ocrad = callPackage ../applications/graphics/ocrad { };
+
+  offrss = callPackage ../applications/networking/offrss { };
+
+  ogmtools = callPackage ../applications/video/ogmtools { };
+
+  omxplayer = callPackage ../applications/video/omxplayer { };
+
+  oneteam = callPackage ../applications/networking/instant-messengers/oneteam {};
+
+  openbox = callPackage ../applications/window-managers/openbox { };
+
+  openbox-menu = callPackage ../applications/misc/openbox-menu { };
+
+  openimageio = callPackage ../applications/graphics/openimageio { };
+
+  openjump = callPackage ../applications/misc/openjump { };
+
+  openscad = callPackage ../applications/graphics/openscad {};
+
+  opera = callPackage ../applications/networking/browsers/opera {
+    inherit (pkgs.kde4) kdelibs;
+  };
+
+  opusfile = callPackage ../applications/audio/opusfile { };
+
+  opusTools = callPackage ../applications/audio/opus-tools { };
+
+  pamixer = callPackage ../applications/audio/pamixer { };
+
+  pan = callPackage ../applications/networking/newsreaders/pan {
+    spellChecking = false;
+  };
+
+  panotools = callPackage ../applications/graphics/panotools { };
+
+  paprefs = callPackage ../applications/audio/paprefs {
+    inherit (gnome) libglademm gconfmm;
+  };
+
+  pavucontrol = callPackage ../applications/audio/pavucontrol { };
+
+  paraview = callPackage ../applications/graphics/paraview { };
+
+  pencil = callPackage ../applications/graphics/pencil { };
+
+  petrifoo = callPackage ../applications/audio/petrifoo {
+    inherit (gnome) libgnomecanvas;
+  };
+
+  pdftk = callPackage ../tools/typesetting/pdftk { };
+  pdfgrep  = callPackage ../tools/typesetting/pdfgrep { };
+
+  pianobar = callPackage ../applications/audio/pianobar { };
+
+  pianobooster = callPackage ../applications/audio/pianobooster { };
+
+  picard = callPackage ../applications/audio/picard { };
+
+  picocom = callPackage ../tools/misc/picocom { };
+
+  pidgin = callPackage ../applications/networking/instant-messengers/pidgin {
+    openssl = if config.pidgin.openssl or true then openssl else null;
+    gnutls = if config.pidgin.gnutls or false then gnutls else null;
+    libgcrypt = if config.pidgin.gnutls or false then libgcrypt else null;
+    startupnotification = libstartup_notification;
+  };
+
+  pidginlatex = callPackage ../applications/networking/instant-messengers/pidgin-plugins/pidgin-latex {
+    imagemagick = imagemagickBig;
+  };
+
+  pidginlatexSF = builderDefsPackage
+    (import ../applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/pidgin-latex-sf.nix)
+    {
+      inherit pkgconfig pidgin texLive imagemagick which glib gtk;
+    };
+
+  pidginmsnpecan = callPackage ../applications/networking/instant-messengers/pidgin-plugins/msn-pecan { };
+
+  pidginotr = callPackage ../applications/networking/instant-messengers/pidgin-plugins/otr { };
+
+  pidginsipe = callPackage ../applications/networking/instant-messengers/pidgin-plugins/sipe { };
+
+  toxprpl = callPackage ../applications/networking/instant-messengers/pidgin-plugins/tox-prpl { };
+
+  pinfo = callPackage ../applications/misc/pinfo { };
+
+  pinta = callPackage ../applications/graphics/pinta {
+    gtksharp = gtksharp2;
+  };
+
+  pommed = callPackage ../os-specific/linux/pommed {
+    inherit (xorg) libXpm;
+  };
+
+  potrace = callPackage ../applications/graphics/potrace {};
+
+  posterazor = callPackage ../applications/misc/posterazor { };
+
+  pqiv = callPackage ../applications/graphics/pqiv { };
+
+  qiv = callPackage ../applications/graphics/qiv { };
+
+  processing = callPackage ../applications/graphics/processing { inherit (xorg) libXxf86vm; };
+
+  # perhaps there are better apps for this task? It's how I had configured my preivous system.
+  # And I don't want to rewrite all rules
+  procmail = callPackage ../applications/misc/procmail { };
+
+  pstree = callPackage ../applications/misc/pstree { };
+
+  pulseview = callPackage ../applications/science/electronics/pulseview { };
+
+  puredata = callPackage ../applications/audio/puredata { };
+
+  pythonmagick = callPackage ../applications/graphics/PythonMagick { };
+
+  qbittorrent = callPackage ../applications/networking/p2p/qbittorrent { };
+
+  eiskaltdcpp = callPackage ../applications/networking/p2p/eiskaltdcpp { lua5 = lua5_1; };
+
+  qemu = callPackage ../applications/virtualization/qemu { };
+
+  qmmp = callPackage ../applications/audio/qmmp { };
+
+  qsampler = callPackage ../applications/audio/qsampler { };
+
+  qsynth = callPackage ../applications/audio/qsynth { };
+
+  qtox = callPackage ../applications/networking/instant-messengers/qtox { };
+
+  qtpfsgui = callPackage ../applications/graphics/qtpfsgui { };
+
+  qtractor = callPackage ../applications/audio/qtractor { };
+
+  quodlibet = callPackage ../applications/audio/quodlibet {
+    inherit (pythonPackages) mutagen;
+  };
+
+  quodlibet-with-gst-plugins = callPackage ../applications/audio/quodlibet {
+    inherit (pythonPackages) mutagen;
+    withGstPlugins = true;
+    gst_plugins_bad = null;
+  };
+
+  rakarrack = callPackage ../applications/audio/rakarrack {
+    inherit (xorg) libXpm libXft;
+    fltk = fltk13;
+  };
+
+  rapcad = callPackage ../applications/graphics/rapcad {};
+
+  rapidsvn = callPackage ../applications/version-management/rapidsvn { };
+
+  ratpoison = callPackage ../applications/window-managers/ratpoison { };
+
+  rawtherapee = callPackage ../applications/graphics/rawtherapee {
+    fftw = fftwSinglePrec;
+  };
+
+  rcs = callPackage ../applications/version-management/rcs { };
+
+  rdesktop = callPackage ../applications/networking/remote/rdesktop { };
+
+  recode = callPackage ../tools/text/recode { };
+
+  retroshare = callPackage ../applications/networking/p2p/retroshare {
+    qt = qt4;
+  };
+
+  retroshare06 = lowPrio (callPackage ../applications/networking/p2p/retroshare/0.6.nix {
+    qt = qt4;
+  });
+
+  rsync = callPackage ../applications/networking/sync/rsync {
+    enableACLs = !(stdenv.isDarwin || stdenv.isSunOS || stdenv.isFreeBSD);
+    enableCopyDevicesPatch = (config.rsync.enableCopyDevicesPatch or false);
+  };
+
+  rtl-sdr = callPackage ../applications/misc/rtl-sdr { };
+
+  rubyripper = callPackage ../applications/audio/rubyripper {};
+
+  rxvt = callPackage ../applications/misc/rxvt { };
+
+  # = urxvt
+  rxvt_unicode = callPackage ../applications/misc/rxvt_unicode {
+    perlSupport = true;
+    gdkPixbufSupport = true;
+    unicode3Support = true;
+  };
+
+  sakura = callPackage ../applications/misc/sakura {
+    inherit (gnome) vte;
+  };
+
+  sbagen = callPackage ../applications/misc/sbagen { };
+
+  scite = callPackage ../applications/editors/scite { };
+
+  scribus = callPackage ../applications/office/scribus {
+    inherit (gnome) libart_lgpl;
+  };
+
+  seafile-client = callPackage ../applications/networking/seafile-client { };
+
+  seeks = callPackage ../tools/networking/p2p/seeks {
+    opencv = opencv_2_1;
+  };
+
+  seg3d = callPackage ../applications/graphics/seg3d {
+    wxGTK = wxGTK28.override { unicode = false; };
+  };
+
+  seq24 = callPackage ../applications/audio/seq24 { };
+
+  setbfree = callPackage ../applications/audio/setbfree { };
+
+  sflphone = callPackage ../applications/networking/instant-messengers/sflphone {
+    gtk = gtk3;
+  };
+
+  siproxd = callPackage ../applications/networking/siproxd { };
+
+  skype = callPackage_i686 ../applications/networking/instant-messengers/skype { };
+
+  skype4pidgin = callPackage ../applications/networking/instant-messengers/pidgin-plugins/skype4pidgin { };
+
+  skype_call_recorder = callPackage ../applications/networking/instant-messengers/skype-call-recorder { };
+
+  slrn = callPackage ../applications/networking/newsreaders/slrn { };
+
+  spideroak = callPackage ../applications/networking/spideroak { };
+
+  ssvnc = callPackage ../applications/networking/remote/ssvnc { };
+
+  st = callPackage ../applications/misc/st {
+    conf = config.st.conf or null;
+  };
+
+  stella = callPackage ../misc/emulators/stella { };
+
+  linuxstopmotion = callPackage ../applications/video/linuxstopmotion { };
+
+  sweethome3d = recurseIntoAttrs (  (callPackage ../applications/misc/sweethome3d { })
+                                 // (callPackage ../applications/misc/sweethome3d/editors.nix {
+                                      sweethome3dApp = sweethome3d.application;
+                                    })
+                                 );
+
+  sxiv = callPackage ../applications/graphics/sxiv { };
+
+  bittorrentSync = callPackage ../applications/networking/bittorrentsync { };
+
+  copy-com = callPackage ../applications/networking/copy-com { };
+
+  dropbox = callPackage ../applications/networking/dropbox { };
+
+  dropbox-cli = callPackage ../applications/networking/dropbox-cli { };
+
+  lightdm = callPackage ../applications/display-managers/lightdm { };
+
+  lightdm_gtk_greeter = callPackage ../applications/display-managers/lightdm-gtk-greeter { };
+
+  # slic3r 0.9.10b says: "Running Slic3r under Perl >= 5.16 is not supported nor recommended"
+  slic3r = callPackage ../applications/misc/slic3r {
+    perlPackages = perl514Packages;
+    perl = perl514;
+  };
+
+  curaengine = callPackage ../applications/misc/curaengine { };
+
+  cura = callPackage ../applications/misc/cura { };
+
+  printrun = callPackage ../applications/misc/printrun { };
+
+  slim = callPackage ../applications/display-managers/slim {
+    libpng = libpng12;
+  };
+
+
+  smartgithg = callPackage ../applications/version-management/smartgithg { };
+
+  slimThemes = recurseIntoAttrs (import ../applications/display-managers/slim/themes.nix {
+    inherit stdenv fetchurl slim;
+  });
+
+  smartdeblur = callPackage ../applications/graphics/smartdeblur { };
+
+  snapper = callPackage ../tools/misc/snapper { };
+
+  snd = callPackage ../applications/audio/snd { };
+
+  shntool = callPackage ../applications/audio/shntool { };
+
+  sonic_visualiser = callPackage ../applications/audio/sonic-visualiser {
+    inherit (pkgs.vamp) vampSDK;
+    inherit (pkgs.xlibs) libX11;
+    fftw = pkgs.fftwSinglePrec;
+  };
+
+  sox = callPackage ../applications/misc/audio/sox { };
+
+  soxr = callPackage ../applications/misc/audio/soxr { };
+
+  spotify = callPackage ../applications/audio/spotify {
+    inherit (gnome) GConf;
+    libpng = libpng12;
+  };
+
+  libspotify = callPackage ../development/libraries/libspotify {
+    apiKey = config.libspotify.apiKey or null;
+  };
+
+  stalonetray = callPackage ../applications/window-managers/stalonetray {};
+
+  stp = callPackage ../applications/science/logic/stp {};
+
+  stumpwm = callPackage ../applications/window-managers/stumpwm {};
+  stumpwmContrib = callPackage ../applications/window-managers/stumpwm/contrib.nix {};
+
+  sublime = callPackage ../applications/editors/sublime { };
+
+  sublime3 = lowPrio (callPackage ../applications/editors/sublime3 { });
+
+  subversion = callPackage ../applications/version-management/subversion/default.nix {
+    bdbSupport = true;
+    httpServer = false;
+    httpSupport = true;
+    pythonBindings = false;
+    perlBindings = false;
+    javahlBindings = false;
+    saslSupport = false;
+    httpd = apacheHttpd;
+    sasl = cyrus_sasl;
+  };
+
+  subversionClient = appendToName "client" (subversion.override {
+    bdbSupport = false;
+    perlBindings = true;
+    pythonBindings = true;
+  });
+
+  surf = callPackage ../applications/misc/surf {
+    webkit = webkitgtk2;
+  };
+
+  svk = perlPackages.SVK;
+
+  swh_lv2 = callPackage ../applications/audio/swh-lv2 { };
+
+  sylpheed = callPackage ../applications/networking/mailreaders/sylpheed {
+    sslSupport = true;
+    gpgSupport = true;
+  };
+
+  symlinks = callPackage ../tools/system/symlinks { };
+
+  syncthing = callPackage ../applications/networking/syncthing { };
+
+  # linux only by now
+  synergy = callPackage ../applications/misc/synergy { };
+
+  tabbed = callPackage ../applications/window-managers/tabbed { };
+
+  tagainijisho = callPackage ../applications/office/tagainijisho {};
+
+  tahoelafs = callPackage ../tools/networking/p2p/tahoe-lafs {
+    inherit (pythonPackages) twisted foolscap simplejson nevow zfec
+      pycryptopp sqlite3 darcsver setuptoolsTrial setuptoolsDarcs
+      numpy pyasn1 mock;
+  };
+
+  tailor = builderDefsPackage (import ../applications/version-management/tailor) {
+    inherit makeWrapper python;
+  };
+
+  tangogps = callPackage ../applications/misc/tangogps {
+    gconf = gnome.GConf;
+  };
+
+  teamspeak_client = callPackage ../applications/networking/instant-messengers/teamspeak/client.nix { };
+  teamspeak_server = callPackage ../applications/networking/instant-messengers/teamspeak/server.nix { };
+
+  taskjuggler = callPackage ../applications/misc/taskjuggler { };
+
+  taskwarrior = callPackage ../applications/misc/taskwarrior { };
+
+  taskserver = callPackage ../servers/misc/taskserver { };
+
+  telegram-cli = callPackage ../applications/networking/instant-messengers/telegram-cli/default.nix { };
+
+  telepathy_gabble = callPackage ../applications/networking/instant-messengers/telepathy/gabble { };
+
+  telepathy_haze = callPackage ../applications/networking/instant-messengers/telepathy/haze {};
+
+  telepathy_logger = callPackage ../applications/networking/instant-messengers/telepathy/logger {};
+
+  telepathy_mission_control = callPackage ../applications/networking/instant-messengers/telepathy/mission-control { };
+
+  telepathy_rakia = callPackage ../applications/networking/instant-messengers/telepathy/rakia { };
+
+  telepathy_salut = callPackage ../applications/networking/instant-messengers/telepathy/salut {};
+
+  terminator = callPackage ../applications/misc/terminator {
+    vte = gnome.vte.override { pythonSupport = true; };
+    inherit (pythonPackages) notify;
+  };
+
+  termite = callPackage ../applications/misc/termite {
+    gtk = gtk3;
+    vte = gnome3_12.vte-select-text;
+   };
+
+  tesseract = callPackage ../applications/graphics/tesseract { };
+
+  thinkingRock = callPackage ../applications/misc/thinking-rock { };
+
+  thunderbird = callPackage ../applications/networking/mailreaders/thunderbird {
+    inherit (gnome) libIDL;
+    inherit (pythonPackages) pysqlite;
+    libpng = libpng_apng;
+  };
+
+  thunderbird-bin = callPackage ../applications/networking/mailreaders/thunderbird-bin {
+    gconf = pkgs.gnome.GConf;
+    inherit (pkgs.gnome) libgnome libgnomeui;
+    inherit (pkgs.xlibs) libX11 libXScrnSaver libXext
+      libXinerama libXrender libXt;
+  };
+
+  tig = gitAndTools.tig;
+
+  tilda = callPackage ../applications/misc/tilda {
+    vte = gnome3.vte;
+    gtk = gtk3;
+  };
+
+  timidity = callPackage ../tools/misc/timidity { };
+
+  tint2 = callPackage ../applications/misc/tint2 { };
+
+  tkcvs = callPackage ../applications/version-management/tkcvs { };
+
+  tla = callPackage ../applications/version-management/arch { };
+
+  todo-txt-cli = callPackage ../applications/office/todo.txt-cli { };
+
+  torchat = callPackage ../applications/networking/instant-messengers/torchat {
+    wrapPython = pythonPackages.wrapPython;
+  };
+
+  toxic = callPackage ../applications/networking/instant-messengers/toxic { };
+
+  transcode = callPackage ../applications/audio/transcode { };
+
+  transmission = callPackage ../applications/networking/p2p/transmission { };
+  transmission_gtk = transmission.override { enableGTK3 = true; };
+
+  transmission_remote_gtk = callPackage ../applications/networking/p2p/transmission-remote-gtk {};
+
+  trayer = callPackage ../applications/window-managers/trayer { };
+
+  tree = callPackage ../tools/system/tree {};
+
+  trezor-bridge = callPackage ../applications/networking/browsers/mozilla-plugins/trezor { };
+
+  tribler = callPackage ../applications/networking/p2p/tribler { };
+
+  twister = callPackage ../applications/networking/p2p/twister { };
+
+  twmn = callPackage ../applications/misc/twmn { };
+
+  twinkle = callPackage ../applications/networking/instant-messengers/twinkle { };
+
+  umurmur = callPackage ../applications/networking/umurmur { };
+
+  unison = callPackage ../applications/networking/sync/unison {
+    inherit (ocamlPackages) lablgtk;
+    enableX11 = config.unison.enableX11 or true;
+  };
+
+  uucp = callPackage ../tools/misc/uucp { };
+
+  uvccapture = callPackage ../applications/video/uvccapture { };
+
+  uwimap = callPackage ../tools/networking/uwimap { };
+
+  uzbl = callPackage ../applications/networking/browsers/uzbl {
+    webkit = webkitgtk2;
+  };
+
+  utox = callPackage ../applications/networking/instant-messengers/utox { };
+
+  vanitygen = callPackage ../applications/misc/vanitygen { };
+
+  vanubi = callPackage ../applications/editors/vanubi { };
+
+  vbindiff = callPackage ../applications/editors/vbindiff { };
+
+  vcprompt = callPackage ../applications/version-management/vcprompt { };
+
+  vdpauinfo = callPackage ../tools/X11/vdpauinfo { };
+
+  veracity = callPackage ../applications/version-management/veracity {};
+
+  viewMtn = builderDefsPackage (import ../applications/version-management/viewmtn/0.10.nix)
+  {
+    inherit monotone cheetahTemplate highlight ctags
+      makeWrapper graphviz which python;
+    flup = pythonPackages.flup;
+  };
+
+  vim = callPackage ../applications/editors/vim { };
+
+  macvim = callPackage ../applications/editors/vim/macvim.nix { };
+
+  vimHugeX = vim_configurable;
+
+  vim_configurable = callPackage ../applications/editors/vim/configurable.nix {
+    inherit (pkgs) fetchurl fetchhg stdenv ncurses pkgconfig gettext
+      composableDerivation lib config glib gtk python perl tcl ruby;
+    inherit (pkgs.xlibs) libX11 libXext libSM libXpm libXt libXaw libXau libXmu
+      libICE;
+
+    features = "huge"; # one of  tiny, small, normal, big or huge
+    lua = pkgs.lua5_1;
+    gui = config.vim.gui or "auto";
+
+    # optional features by flags
+    flags = [ "python" "X11" ]; # only flag "X11" by now
+
+    # so that we can use gccApple if we're building on darwin
+    inherit stdenvAdapters gccApple;
+  };
+
+  vimNox = lowPrio (vim_configurable.override { source = "vim-nox"; });
+
+  qvim = lowPrio (callPackage ../applications/editors/vim/qvim.nix {
+    inherit (pkgs) fetchgit stdenv ncurses pkgconfig gettext
+      composableDerivation lib config python perl tcl ruby qt4;
+    inherit (pkgs.xlibs) libX11 libXext libSM libXpm libXt libXaw libXau libXmu
+      libICE;
+
+    inherit (pkgs) stdenvAdapters gccApple;
+
+    features = "huge"; # one of  tiny, small, normal, big or huge
+    lua = pkgs.lua5;
+    flags = [ "python" "X11" ]; # only flag "X11" by now
+  });
+
+  vimpc = callPackage ../applications/audio/vimpc { };
+
+  virtviewer = callPackage ../applications/virtualization/virt-viewer {
+    gtkvnc = gtkvnc.override { enableGTK3 = true; };
+    spice_gtk = spice_gtk.override { enableGTK3 = true; };
+  };
+  virtmanager = callPackage ../applications/virtualization/virt-manager {
+    inherit (gnome) gnome_python;
+    vte = gnome3.vte;
+    dconf = gnome3.dconf;
+    gtkvnc = gtkvnc.override { enableGTK3 = true; };
+    spice_gtk = spice_gtk.override { enableGTK3 = true; };
+  };
+
+  virtinst = callPackage ../applications/virtualization/virtinst {};
+
+  virtualgl = callPackage ../tools/X11/virtualgl { };
+
+  bumblebee = callPackage ../tools/X11/bumblebee { };
+
+  vkeybd = callPackage ../applications/audio/vkeybd {
+    inherit (xlibs) libX11;
+  };
+
+  vlc = callPackage ../applications/video/vlc {
+    ffmpeg = ffmpeg_2_3;
+  };
+
+  vmpk = callPackage ../applications/audio/vmpk { };
+
+  vnstat = callPackage ../applications/networking/vnstat { };
+
+  vorbisTools = callPackage ../applications/audio/vorbis-tools { };
+
+  vue = callPackage ../applications/misc/vue {
+    jre = icedtea7_jre;
+  };
+
+  vwm = callPackage ../applications/window-managers/vwm { };
+
+  vym = callPackage ../applications/misc/vym { };
+
+  w3m = callPackage ../applications/networking/browsers/w3m {
+    graphicsSupport = false;
+  };
+
+  weechat = callPackage ../applications/networking/irc/weechat { };
+
+  weechatDevel = lowPrio (callPackage ../applications/networking/irc/weechat/devel.nix { });
+
+  weston = callPackage ../applications/window-managers/weston { };
+
+  windowmaker = callPackage ../applications/window-managers/windowmaker { };
+
+  winswitch = callPackage ../tools/X11/winswitch { };
+
+  wings = callPackage ../applications/graphics/wings {
+    erlang = erlangR14;
+    esdl = esdl.override { erlang = erlangR14; };
+  };
+
+  wmname = callPackage ../applications/misc/wmname { };
+
+  wmctrl = callPackage ../tools/X11/wmctrl { };
+
+  # I'm keen on wmiimenu only  >wmii-3.5 no longer has it...
+  wmiimenu = import ../applications/window-managers/wmii31 {
+    libixp = libixp_for_wmii;
+    inherit fetchurl /* fetchhg */ stdenv gawk;
+    inherit (xlibs) libX11;
+  };
+
+  wmiiSnap = import ../applications/window-managers/wmii {
+    libixp = libixp_for_wmii;
+    inherit fetchurl /* fetchhg */ stdenv gawk;
+    inherit (xlibs) libX11 xextproto libXt libXext;
+    includeUnpack = config.stdenv.includeUnpack or false;
+  };
+
+  wordnet = callPackage ../applications/misc/wordnet { };
+
+  wrapFirefox =
+    { browser, browserName ? "firefox", desktopName ? "Firefox", nameSuffix ? ""
+    , icon ? "${browser}/lib/${browser.name}/browser/icons/mozicon128.png" }:
+    let
+      cfg = stdenv.lib.attrByPath [ browserName ] {} config;
+      enableAdobeFlash = cfg.enableAdobeFlash or false;
+      enableGnash = cfg.enableGnash or false;
+      jre = cfg.jre or false;
+      icedtea = cfg.icedtea or false;
+    in
+    import ../applications/networking/browsers/firefox/wrapper.nix {
+      inherit stdenv lib makeWrapper makeDesktopItem browser browserName desktopName nameSuffix icon;
+      plugins =
+         assert !(enableGnash && enableAdobeFlash);
+         assert !(jre && icedtea);
+         ([ ]
+          ++ lib.optional enableGnash gnash
+          ++ lib.optional enableAdobeFlash flashplayer
+          ++ lib.optional (cfg.enableDjvu or false) (djview4)
+          ++ lib.optional (cfg.enableMPlayer or false) (MPlayerPlugin browser)
+          ++ lib.optional (cfg.enableGeckoMediaPlayer or false) gecko_mediaplayer
+          ++ lib.optional (supportsJDK && jre && jrePlugin ? mozillaPlugin) jrePlugin
+          ++ lib.optional icedtea icedtea7_web
+          ++ lib.optional (cfg.enableGoogleTalkPlugin or false) google_talk_plugin
+          ++ lib.optional (cfg.enableFriBIDPlugin or false) fribid
+          ++ lib.optional (cfg.enableGnomeExtensions or false) gnome3.gnome_shell
+          ++ lib.optional (cfg.enableTrezor or false) trezor-bridge
+         );
+      libs = [ gstreamer gst_plugins_base ] ++ lib.optionals (cfg.enableQuakeLive or false)
+             (with xlibs; [ stdenv.gcc libX11 libXxf86dga libXxf86vm libXext libXt alsaLib zlib ]);
+      gtk_modules = [ libcanberra ];
+    };
+
+  retroArchCores =
+    let
+      cfg = config.retroarch or {};
+      inherit (lib) optional;
+    in with libretro;
+      ([ ]
+      ++ optional (cfg.enable4do or false) _4do
+      ++ optional (cfg.enableBsnesMercury or false) bsnes-mercury
+      ++ optional (cfg.enableDesmume or false) desmume
+      ++ optional (cfg.enableFBA or false) fba
+      ++ optional (cfg.enableFceumm or false) fceumm
+      ++ optional (cfg.enableGambatte or false) gambatte
+      ++ optional (cfg.enableGenesisPlusGX or false) genesis-plus-gx
+      ++ optional (cfg.enableMupen64Plus or false) mupen64plus
+      ++ optional (cfg.enablePicodrive or false) picodrive
+      ++ optional (cfg.enablePrboom or false) prboom
+      ++ optional (cfg.enablePPSSPP or false) ppsspp
+      ++ optional (cfg.enableScummVM or false) scummvm
+      ++ optional (cfg.enableSnes9xNext or false) snes9x-next
+      ++ optional (cfg.enableStella or false) stella
+      ++ optional (cfg.enableVbaNext or false) vba-next
+      );
+
+  wrapRetroArch = { retroarch }: import ../misc/emulators/retroarch/wrapper.nix {
+    inherit stdenv lib makeWrapper retroarch;
+    cores = retroArchCores;
+  };
+
+  wrapXBMC = { xbmc }: import ../applications/video/xbmc/wrapper.nix {
+    inherit stdenv lib makeWrapper xbmc;
+    plugins = let inherit (lib) optional; in with xbmcPlugins;
+      ([]
+      ++ optional (config.xbmc.enableAdvancedLauncher or false) advanced-launcher
+      ++ optional (config.xbmc.enableGenesis or false) genesis
+      ++ optional (config.xbmc.enableSVTPlay or false) svtplay
+      );
+  };
+
+  wxhexeditor = callPackage ../applications/editors/wxhexeditor { };
+
+  wxcam = callPackage ../applications/video/wxcam {
+    inherit (gnome) libglade;
+    inherit intltool;
+    wxGTK = wxGTK28;
+    gtk = gtk2;
+  };
+
+  x11vnc = callPackage ../tools/X11/x11vnc { };
+
+  x2vnc = callPackage ../tools/X11/x2vnc { };
+
+  xaos = builderDefsPackage (import ../applications/graphics/xaos) {
+    inherit (xlibs) libXt libX11 libXext xextproto xproto;
+    inherit gsl aalib zlib intltool gettext perl;
+    libpng = libpng12;
+  };
+
+  xara = callPackage ../applications/graphics/xara { };
+
+  xawtv = callPackage ../applications/video/xawtv { };
+
+  xbindkeys = callPackage ../tools/X11/xbindkeys { };
+
+  xbmcPlain = callPackage ../applications/video/xbmc {
+    ffmpeg = ffmpeg_1;
+  };
+
+  xbmcPlugins = recurseIntoAttrs (callPackage ../applications/video/xbmc/plugins.nix {
+    xbmc = xbmcPlain;
+  });
+
+  xbmc = wrapXBMC {
+    xbmc = xbmcPlain;
+  };
+
+  xbmc-retroarch-advanced-launchers =
+    callPackage ../misc/emulators/retroarch/xbmc-advanced-launchers.nix {
+      cores = retroArchCores;
+    };
+
+  xca = callPackage ../applications/misc/xca { };
+
+  xcalib = callPackage ../tools/X11/xcalib { };
+
+  xcape = callPackage ../tools/X11/xcape { };
+
+  xchainkeys = callPackage ../tools/X11/xchainkeys { };
+
+  xchat = callPackage ../applications/networking/irc/xchat { };
+
+  xchm = callPackage ../applications/misc/xchm { };
+
+  xcompmgr = callPackage ../applications/window-managers/xcompmgr { };
+
+  compton = callPackage ../applications/window-managers/compton { };
+
+  xdaliclock = callPackage ../tools/misc/xdaliclock {};
+
+  xdg-user-dirs = callPackage ../tools/X11/xdg-user-dirs { };
+
+  xdg_utils = callPackage ../tools/X11/xdg-utils { };
+
+  xdotool = callPackage ../tools/X11/xdotool { };
+
+  xen = callPackage ../applications/virtualization/xen {
+    stdenv = overrideGCC stdenv gcc45;
+  };
+
+  xfe = callPackage ../applications/misc/xfe {
+    fox = fox_1_6;
+  };
+
+  xfig = callPackage ../applications/graphics/xfig { };
+
+  xineUI = callPackage ../applications/video/xine-ui { };
+
+  xneur_0_13 = callPackage ../applications/misc/xneur { };
+
+  xneur_0_8 = callPackage ../applications/misc/xneur/0.8.nix { };
+
+  xneur = xneur_0_13;
+
+  gxneur = callPackage ../applications/misc/gxneur  {
+    inherit (gnome) libglade GConf;
+  };
+
+  xiphos = callPackage ../applications/misc/xiphos {
+    gconf = gnome2.GConf;
+    inherit (gnome2) gtkhtml libgtkhtml libglade scrollkeeper;
+    python = python27;
+    webkitgtk = webkitgtk2;
+  };
+
+  xournal = callPackage ../applications/graphics/xournal {
+    inherit (gnome) libgnomeprint libgnomeprintui libgnomecanvas;
+  };
+
+  xpdf = callPackage ../applications/misc/xpdf {
+    motif = lesstif;
+    base14Fonts = "${ghostscript}/share/ghostscript/fonts";
+  };
+
+  xkb_switch = callPackage ../tools/X11/xkb-switch { };
+
+  libxpdf = callPackage ../applications/misc/xpdf/libxpdf.nix { };
+
+  xpra = callPackage ../tools/X11/xpra { };
+
+  xrestop = callPackage ../tools/X11/xrestop { };
+
+  xscreensaver = callPackage ../misc/screensavers/xscreensaver {
+    inherit (gnome) libglade;
+  };
+
+  xsynth_dssi = callPackage ../applications/audio/xsynth-dssi { };
+
+  xterm = callPackage ../applications/misc/xterm { };
+
+  finalterm = callPackage ../applications/misc/finalterm { };
+
+  roxterm = callPackage ../applications/misc/roxterm {
+    inherit (pythonPackages) lockfile;
+    inherit (gnome3) vte gsettings_desktop_schemas;
+  };
+
+  xtrace = callPackage ../tools/X11/xtrace { };
+
+  xlaunch = callPackage ../tools/X11/xlaunch { };
+
+  xmacro = callPackage ../tools/X11/xmacro { };
+
+  xmove = callPackage ../applications/misc/xmove { };
+
+  xmp = callPackage ../applications/audio/xmp { };
+
+  xnee = callPackage ../tools/X11/xnee { };
+
+  xvidcap = callPackage ../applications/video/xvidcap {
+    inherit (gnome) scrollkeeper libglade;
+  };
+
+  yate = callPackage ../applications/misc/yate { };
+
+  inherit (gnome3) yelp;
+
+  qgis = callPackage ../applications/gis/qgis {};
+
+  qtbitcointrader = callPackage ../applications/misc/qtbitcointrader { };
+
+  ykpers = callPackage ../applications/misc/ykpers {};
+
+  yoshimi = callPackage ../applications/audio/yoshimi {
+    fltk = fltk13;
+  };
+
+  zathuraCollection = recurseIntoAttrs
+    (let callPackage = newScope pkgs.zathuraCollection; in
+      import ../applications/misc/zathura {
+        inherit callPackage pkgs fetchurl;
+        useMupdf = config.zathura.useMupdf or false;
+      });
+
+  zathura = zathuraCollection.zathuraWrapper;
+
+  zed = callPackage ../applications/editors/zed { };
+
+  zeroc_ice = callPackage ../development/libraries/zeroc-ice { };
+
+  girara = callPackage ../applications/misc/girara {
+    gtk = gtk3;
+  };
+
+  zgrviewer = callPackage ../applications/graphics/zgrviewer {};
+
+  zim = callPackage ../applications/office/zim {
+    pygtk = pyGtkGlade;
+  };
+
+  zotero = callPackage ../applications/office/zotero { };
+
+  zynaddsubfx = callPackage ../applications/audio/zynaddsubfx { };
+
+  ### GAMES
+
+  alienarena = callPackage ../games/alienarena { };
+
+  andyetitmoves = if stdenv.isLinux then callPackage ../games/andyetitmoves {} else null;
+
+  anki = callPackage ../games/anki { };
+
+  asc = callPackage ../games/asc {
+    lua = lua5_1;
+    libsigcxx = libsigcxx12;
+  };
+
+  astromenace = callPackage ../games/astromenace { };
+
+  atanks = callPackage ../games/atanks {};
+
+  ballAndPaddle = callPackage ../games/ball-and-paddle {
+    guile = guile_1_8;
+  };
+
+  bitsnbots = callPackage ../games/bitsnbots {
+    lua = lua5;
+  };
+
+  blackshades = callPackage ../games/blackshades { };
+
+  blackshadeselite = callPackage ../games/blackshadeselite { };
+
+  blobby = callPackage ../games/blobby { };
+
+  bsdgames = callPackage ../games/bsdgames { };
+
+  btanks = callPackage ../games/btanks { };
+
+  bzflag = callPackage ../games/bzflag { };
+
+  castle_combat = callPackage ../games/castle-combat { };
+
+  chessdb = callPackage ../games/chessdb { };
+
+  construoBase = lowPrio (callPackage ../games/construo {
+    mesa = null;
+    freeglut = null;
+  });
+
+  construo = construoBase.override {
+    inherit mesa freeglut;
+  };
+
+  crack_attack = callPackage ../games/crack-attack { };
+
+  crafty = callPackage ../games/crafty { };
+  craftyFull = appendToName "full" (crafty.override { fullVariant = true; });
+
+  crrcsim = callPackage ../games/crrcsim {};
+
+  dhewm3 = callPackage ../games/dhewm3 {};
+
+  drumkv1 = callPackage ../applications/audio/drumkv1 { };
+
+  dwarf_fortress = callPackage_i686 ../games/dwarf-fortress {
+    SDL_image = pkgsi686Linux.SDL_image.override {
+      libpng = pkgsi686Linux.libpng12;
+    };
+  };
+
+  dwarf_fortress_2014 = callPackage_i686 ../games/dwarf-fortress/df2014.nix {
+    SDL_image = pkgsi686Linux.SDL_image.override {
+      libpng = pkgsi686Linux.libpng12;
+    };
+  };
+
+  dwarf_fortress_modable = appendToName "moddable" (dwarf_fortress.override {
+    copyDataDirectory = true;
+  });
+
+  dwarf_fortress_2014_modable = appendToName "moddable" (dwarf_fortress_2014.override {
+    copyDataDirectory = true;
+  });
+
+  dwarf-therapist = callPackage ../games/dwarf-therapist { };
+
+  d1x_rebirth = callPackage ../games/d1x-rebirth { };
+
+  d2x_rebirth = callPackage ../games/d2x-rebirth { };
+
+  eboard = callPackage ../games/eboard { };
+
+  eduke32 = callPackage ../games/eduke32 { };
+
+  egoboo = callPackage ../games/egoboo { };
+
+  exult = callPackage ../games/exult { };
+
+  flightgear = callPackage ../games/flightgear { };
+
+  freeciv = callPackage ../games/freeciv { };
+
+  freeciv_gtk = callPackage ../games/freeciv {
+    gtkClient = true;
+    sdlClient = false;
+  };
+
+  freedink = callPackage ../games/freedink { };
+
+  fsg = callPackage ../games/fsg {
+    wxGTK = wxGTK28.override { unicode = false; };
+  };
+
+  gemrb = callPackage ../games/gemrb { };
+
+  gl117 = callPackage ../games/gl-117 {};
+
+  glestae = callPackage ../games/glestae {};
+
+  globulation2 = callPackage ../games/globulation {};
+
+  gltron = callPackage ../games/gltron { };
+
+  gnuchess = callPackage ../games/gnuchess { };
+
+  gnugo = callPackage ../games/gnugo { };
+
+  gtypist = callPackage ../games/gtypist { };
+
+  hexen = callPackage ../games/hexen { };
+
+  icbm3d = callPackage ../games/icbm3d { };
+
+  ingen = callPackage ../applications/audio/ingen { };
+
+  instead = callPackage ../games/instead {
+    lua = lua5;
+  };
+
+  kobodeluxe = callPackage ../games/kobodeluxe { };
+
+  lincity = builderDefsPackage (import ../games/lincity) {
+    inherit (xlibs) libX11 libXext xextproto
+      libICE libSM xproto;
+    inherit libpng zlib;
+  };
+
+  lincity_ng = callPackage ../games/lincity/ng.nix {};
+
+  mars = callPackage ../games/mars { };
+
+  megaglest = callPackage ../games/megaglest {};
+
+  micropolis = callPackage ../games/micropolis { };
+
+  mnemosyne = callPackage ../games/mnemosyne {
+    inherit (pythonPackages) matplotlib cherrypy sqlite3;
+  };
+
+  naev = callPackage ../games/naev { };
+
+  nexuiz = callPackage ../games/nexuiz { };
+
+  njam = callPackage ../games/njam { };
+
+  oilrush = callPackage ../games/oilrush { };
+
+  openra = callPackage ../games/openra { lua = lua5_1; };
+
+  openttd = callPackage ../games/openttd {
+    zlib = zlibStatic;
+  };
+
+  opentyrian = callPackage ../games/opentyrian { };
+
+  openxcom = callPackage ../games/openxcom { };
+
+  pingus = callPackage ../games/pingus {};
+
+  pioneers = callPackage ../games/pioneers { };
+
+  pong3d = callPackage ../games/pong3d { };
+
+  prboom = callPackage ../games/prboom { };
+
+  quake3demo = callPackage ../games/quake3/wrapper {
+    name = "quake3-demo-${quake3game.name}";
+    description = "Demo of Quake 3 Arena, a classic first-person shooter";
+    game = quake3game;
+    paks = [quake3demodata];
+  };
+
+  quake3demodata = callPackage ../games/quake3/demo { };
+
+  quake3game = callPackage ../games/quake3/game { };
+
+  quantumminigolf = callPackage ../games/quantumminigolf {};
+
+  racer = callPackage ../games/racer { };
+
+  residualvm = callPackage ../games/residualvm {
+    openglSupport = mesaSupported;
+  };
+
+  rigsofrods = callPackage ../games/rigsofrods {
+    mygui = myguiSvn;
+  };
+
+  rili = callPackage ../games/rili { };
+
+  rogue = callPackage ../games/rogue { };
+
+  saga = callPackage ../applications/gis/saga { };
+
+  samplv1 = callPackage ../applications/audio/samplv1 { };
+
+  sauerbraten = callPackage ../games/sauerbraten {};
+
+  scid = callPackage ../games/scid { };
+
+  scummvm = callPackage ../games/scummvm { };
+
+  scorched3d = callPackage ../games/scorched3d { };
+
+  sdlmame = callPackage ../games/sdlmame { };
+
+  sgtpuzzles = builderDefsPackage (import ../games/sgt-puzzles) {
+    inherit pkgconfig fetchsvn perl gtk;
+    inherit (xlibs) libX11;
+  };
+
+  simutrans = callPackage ../games/simutrans { };
+
+  soi = callPackage ../games/soi {};
+
+  # You still can override by passing more arguments.
+  spaceOrbit = callPackage ../games/orbit { };
+
+  spring = callPackage ../games/spring { };
+
+  springLobby = callPackage ../games/spring/springlobby.nix { };
+
+  stardust = callPackage ../games/stardust {};
+
+  steam = callPackage ../games/steam {};
+
+  steamChrootEnv = callPackage ../games/steam/chrootenv.nix { };
+
+  stuntrally = callPackage ../games/stuntrally { };
+
+  superTux = callPackage ../games/super-tux { };
+
+  superTuxKart = callPackage ../games/super-tux-kart { };
+
+  synthv1 = callPackage ../applications/audio/synthv1 { };
+
+  tbe = callPackage ../games/the-butterfly-effect {};
+
+  teetertorture = callPackage ../games/teetertorture { };
+
+  teeworlds = callPackage ../games/teeworlds { };
+
+  tennix = callPackage ../games/tennix { };
+
+  tibia = callPackage_i686 ../games/tibia { };
+
+  tintin = callPackage ../games/tintin { };
+
+  tpm = callPackage ../games/thePenguinMachine { };
+
+  tremulous = callPackage ../games/tremulous { };
+
+  speed_dreams = callPackage ../games/speed-dreams {
+    # Torcs wants to make shared libraries linked with plib libraries (it provides static).
+    # i686 is the only platform I know than can do that linking without plib built with -fPIC
+    plib = plib.override { enablePIC = !stdenv.isi686; };
+    libpng = libpng12;
+  };
+
+  torcs = callPackage ../games/torcs {
+    # Torcs wants to make shared libraries linked with plib libraries (it provides static).
+    # i686 is the only platform I know than can do that linking without plib built with -fPIC
+    plib = plib.override { enablePIC = !stdenv.isi686; };
+  };
+
+  trigger = callPackage ../games/trigger { };
+
+  typespeed = callPackage ../games/typespeed { };
+
+  ufoai = callPackage ../games/ufoai { };
+
+  ultimatestunts = callPackage ../games/ultimatestunts { };
+
+  ultrastardx = callPackage ../games/ultrastardx {
+    ffmpeg = ffmpeg_0_6;
+    lua = lua5;
+  };
+
+  unvanquished = callPackage ../games/unvanquished { };
+
+  uqm = callPackage ../games/uqm { };
+
+  urbanterror = callPackage ../games/urbanterror { };
+
+  ue4demos = recurseIntoAttrs (callPackage ../games/ue4demos { });
+
+  ut2004demo = callPackage ../games/ut2004demo { };
+
+  vdrift = callPackage ../games/vdrift { };
+
+  vectoroids = callPackage ../games/vectoroids { };
+
+  vessel = callPackage_i686 ../games/vessel { };
+
+  warmux = callPackage ../games/warmux { };
+
+  warsow = callPackage ../games/warsow {
+    libjpeg = libjpeg62;
+  };
+
+  warzone2100 = callPackage ../games/warzone2100 { };
+
+  widelands = callPackage ../games/widelands {
+    lua = lua5_1;
+  };
+
+  worldofgoo_demo = callPackage ../games/worldofgoo {
+    demo = true;
+  };
+
+  worldofgoo = callPackage ../games/worldofgoo { };
+
+  xboard =  callPackage ../games/xboard { };
+
+  xconq = callPackage ../games/xconq {};
+
+  # TODO: the corresponding nix file is missing
+  # xracer = callPackage ../games/xracer { };
+
+  xonotic = callPackage ../games/xonotic { };
+
+  xskat = callPackage ../games/xskat { };
+
+  xsokoban = builderDefsPackage (import ../games/xsokoban) {
+    inherit (xlibs) libX11 xproto libXpm libXt;
+  };
+
+  zdoom = callPackage ../games/zdoom { };
+
+  zod = callPackage ../games/zod { };
+
+  zoom = callPackage ../games/zoom { };
+
+  keen4 = callPackage ../games/keen4 { };
+
+  zeroad = callPackage ../games/0ad { };
+
+  ### DESKTOP ENVIRONMENTS
+
+  cinnamon = recurseIntoAttrs rec {
+    callPackage = newScope pkgs.cinnamon;
+    inherit (gnome3) gnome_common libgnomekbd gnome-menus zenity;
+
+    muffin = callPackage ../desktops/cinnamon/muffin.nix { } ;
+
+    cinnamon-control-center = callPackage ../desktops/cinnamon/cinnamon-control-center.nix{ };
+
+    cinnamon-settings-daemon = callPackage ../desktops/cinnamon/cinnamon-settings-daemon.nix{ };
+
+    cinnamon-session = callPackage ../desktops/cinnamon/cinnamon-session.nix{ } ;
+
+    cinnamon-desktop = callPackage ../desktops/cinnamon/cinnamon-desktop.nix { };
+
+    cinnamon-translations = callPackage ../desktops/cinnamon/cinnamon-translations.nix { };
+
+    cjs = callPackage ../desktops/cinnamon/cjs.nix { };
+  };
+
+  enlightenment = callPackage ../desktops/enlightenment { };
+
+  e17 = recurseIntoAttrs (
+    let callPackage = newScope pkgs.e17; in
+    import ../desktops/e17 { inherit callPackage pkgs; }
+  );
+
+  e18 = recurseIntoAttrs (
+    let callPackage = newScope pkgs.e18; in
+    import ../desktops/e18 { inherit callPackage pkgs; }
+  );
+
+  e19 = recurseIntoAttrs (
+    let callPackage = newScope pkgs.e19; in
+    import ../desktops/e19 { inherit callPackage pkgs; }
+  );
+
+  gnome2 = callPackage ../desktops/gnome-2 {
+    callPackage = pkgs.newScope pkgs.gnome2;
+    self = pkgs.gnome2;
+  }  // pkgs.gtkLibs // {
+    # Backwards compatibility;
+    inherit (pkgs) libsoup libwnck gtk_doc gnome_doc_utils;
+  };
+
+  gnome3 = recurseIntoAttrs (callPackage ../desktops/gnome-3/3.10 {
+    callPackage = pkgs.newScope pkgs.gnome3;
+    self = pkgs.gnome3;
+  });
+
+  gnome3_12 = recurseIntoAttrs (callPackage ../desktops/gnome-3/3.12 {
+    callPackage = pkgs.newScope pkgs.gnome3_12;
+  });
+
+  gnome = recurseIntoAttrs gnome2;
+
+  hsetroot = callPackage ../tools/X11/hsetroot { };
+
+  kakasi = callPackage ../tools/text/kakasi { };
+
+  kde4 = recurseIntoAttrs pkgs.kde414;
+
+  kde414 = kdePackagesFor (pkgs.kde414 // {
+      libusb = libusb1;
+      libcanberra = libcanberra_kde;
+    }) ../desktops/kde-4.14;
+
+  kdePackagesFor = self: dir:
+    let callPackageOrig = callPackage; in
+    let
+      callPackage = newScope self;
+      kde4 = callPackageOrig dir {
+        inherit callPackage callPackageOrig;
+      };
+    in kde4 // {
+      inherit kde4;
+
+      wrapper = callPackage ../build-support/kdewrapper {};
+
+      recurseForRelease = true;
+
+      amarok = callPackage ../applications/audio/amarok { };
+
+      bangarang = callPackage ../applications/video/bangarang { };
+
+      basket = callPackage ../applications/office/basket { };
+
+      bluedevil = callPackage ../tools/bluetooth/bluedevil { };
+
+      calligra = callPackage ../applications/office/calligra { };
+
+      colord-kde = callPackage ../tools/misc/colord-kde { };
+
+      digikam = if builtins.compareVersions "4.9" kde4.release == 1 then
+          callPackage ../applications/graphics/digikam/2.nix { }
+        else
+          callPackage ../applications/graphics/digikam { };
+
+      eventlist = callPackage ../applications/office/eventlist {};
+
+      k3b = callPackage ../applications/misc/k3b { };
+
+      kadu = callPackage ../applications/networking/instant-messengers/kadu { };
+
+      kbibtex = callPackage ../applications/office/kbibtex { };
+
+      kde_gtk_config = callPackage ../tools/misc/kde-gtk-config { };
+
+      kde_wacomtablet = callPackage ../applications/misc/kde-wacomtablet { };
+
+      kdeconnect = callPackage ../applications/misc/kdeconnect { };
+
+      kdenlive = callPackage ../applications/video/kdenlive { mlt = mlt-qt4; };
+
+      kdesvn = callPackage ../applications/version-management/kdesvn { };
+
+      kdevelop = callPackage ../applications/editors/kdevelop { };
+
+      kdevplatform = callPackage ../development/libraries/kdevplatform { };
+
+      kdiff3 = callPackage ../tools/text/kdiff3 { };
+
+      kgraphviewer = callPackage ../applications/graphics/kgraphviewer { };
+
+      kile = callPackage ../applications/editors/kile { };
+
+      kmplayer = callPackage ../applications/video/kmplayer { };
+
+      kmymoney = callPackage ../applications/office/kmymoney { };
+
+      kipi_plugins = callPackage ../applications/graphics/kipi-plugins { };
+
+      konversation = callPackage ../applications/networking/irc/konversation { };
+
+      kvirc = callPackage ../applications/networking/irc/kvirc { };
+
+      krename = callPackage ../applications/misc/krename { };
+
+      krusader = callPackage ../applications/misc/krusader { };
+
+      ksshaskpass = callPackage ../tools/security/ksshaskpass {};
+
+      ktorrent = callPackage ../applications/networking/p2p/ktorrent { };
+
+      kuickshow = callPackage ../applications/graphics/kuickshow { };
+
+      libalkimia = callPackage ../development/libraries/libalkimia { };
+
+      libktorrent = callPackage ../development/libraries/libktorrent { };
+
+      libkvkontakte = callPackage ../development/libraries/libkvkontakte { };
+
+      liblikeback = callPackage ../development/libraries/liblikeback { };
+
+      libmm-qt = callPackage ../development/libraries/libmm-qt { };
+
+      libnm-qt = callPackage ../development/libraries/libnm-qt { };
+
+      massif-visualizer = callPackage ../development/tools/analysis/massif-visualizer { };
+
+      networkmanagement = callPackage ../tools/networking/networkmanagement { };
+
+      partitionManager = callPackage ../tools/misc/partition-manager { };
+
+      plasma-nm = callPackage ../tools/networking/plasma-nm { };
+
+      polkit_kde_agent = callPackage ../tools/security/polkit-kde-agent { };
+
+      psi = callPackage ../applications/networking/instant-messengers/psi { };
+
+      qtcurve = callPackage ../misc/themes/qtcurve { };
+
+      quassel = callPackage ../applications/networking/irc/quassel { dconf = gnome3.dconf; };
+
+      quasselWithoutKDE = (self.quassel.override {
+        withKDE = false;
+        tag = "-without-kde";
+      });
+
+      quasselDaemon = (self.quassel.override {
+        monolithic = false;
+        daemon = true;
+        tag = "-daemon";
+      });
+
+      quasselClient = (self.quassel.override {
+        monolithic = false;
+        client = true;
+        tag = "-client";
+      });
+
+      quasselClientWithoutKDE = (self.quasselClient.override {
+        withKDE = false;
+        tag = "-client-without-kde";
+      });
+
+      rekonq = callPackage ../applications/networking/browsers/rekonq { };
+
+      kwebkitpart = callPackage ../applications/networking/browsers/kwebkitpart { };
+
+      rsibreak = callPackage ../applications/misc/rsibreak { };
+
+      semnotes = callPackage ../applications/misc/semnotes { };
+
+      skrooge = callPackage ../applications/office/skrooge { };
+
+      telepathy = callPackage ../applications/networking/instant-messengers/telepathy/kde {};
+
+      yakuake = callPackage ../applications/misc/yakuake { };
+
+      zanshin = callPackage ../applications/office/zanshin { };
+
+      kwooty = callPackage ../applications/networking/newsreaders/kwooty { };
+    };
+
+  pantheon = recurseIntoAttrs rec {
+    callPackage = newScope pkgs.pantheon;
+    pantheon-terminal = callPackage ../desktops/pantheon/apps/pantheon-terminal { };
+  };
+
+  redshift = callPackage ../applications/misc/redshift {
+    inherit (xorg) libX11 libXrandr libxcb randrproto libXxf86vm
+      xf86vidmodeproto;
+    inherit (gnome) GConf;
+    inherit (pythonPackages) pyxdg;
+    geoclue = geoclue2;
+  };
+
+  oxygen-gtk2 = callPackage ../misc/themes/gtk2/oxygen-gtk { };
+
+  oxygen-gtk3 = callPackage ../misc/themes/gtk3/oxygen-gtk3 { };
+
+  oxygen_gtk = oxygen-gtk2; # backwards compatibility
+
+  gtk_engines = callPackage ../misc/themes/gtk2/gtk-engines { };
+
+  gtk-engine-murrine = callPackage ../misc/themes/gtk2/gtk-engine-murrine { };
+
+  gnome_themes_standard = gnome3.gnome_themes_standard;
+
+  mate-icon-theme = callPackage ../misc/themes/mate-icon-theme { };
+
+  mate-themes = callPackage ../misc/themes/mate-themes { };
+
+  xfce = xfce4_10;
+  xfce4_10 = recurseIntoAttrs (import ../desktops/xfce { inherit pkgs newScope; });
+
+
+  ### SCIENCE
+
+  ### SCIENCE/GEOMETRY
+
+  drgeo = builderDefsPackage (import ../applications/science/geometry/drgeo) {
+    inherit (gnome) libglade;
+    inherit libxml2 perl intltool libtool pkgconfig gtk;
+    guile = guile_1_8;
+  };
+
+  tetgen = callPackage ../applications/science/geometry/tetgen { };
+
+
+  ### SCIENCE/BIOLOGY
+
+  alliance = callPackage ../applications/science/electronics/alliance {
+    motif = lesstif;
+  };
+
+  arb = callPackage ../applications/science/biology/arb {
+    lesstif = lesstif93;
+  };
+
+  archimedes = callPackage ../applications/science/electronics/archimedes { };
+
+  biolib = callPackage ../development/libraries/science/biology/biolib { };
+
+  emboss = callPackage ../applications/science/biology/emboss { };
+
+  mrbayes = callPackage ../applications/science/biology/mrbayes { };
+
+  ncbiCTools = builderDefsPackage ../development/libraries/ncbi {
+    inherit tcsh mesa lesstif;
+    inherit (xlibs) libX11 libXaw xproto libXt libSM libICE
+      libXmu libXext;
+  };
+
+  ncbi_tools = callPackage ../applications/science/biology/ncbi-tools { };
+
+  paml = callPackage ../applications/science/biology/paml { };
+
+  pal2nal = callPackage ../applications/science/biology/pal2nal { };
+
+  plink = callPackage ../applications/science/biology/plink/default.nix { };
+
+
+  ### SCIENCE/MATH
+
+  arpack = callPackage ../development/libraries/science/math/arpack { };
+
+  atlas = callPackage ../development/libraries/science/math/atlas {
+    # The build process measures CPU capabilities and optimizes the
+    # library to perform best on that particular machine. That is a
+    # great feature, but it's of limited use with pre-built binaries
+    # coming from a central build farm.
+    tolerateCpuTimingInaccuracy = true;
+  };
+
+  blas = callPackage ../development/libraries/science/math/blas { };
+
+  content = builderDefsPackage ../applications/science/math/content {
+    inherit mesa lesstif;
+    inherit (xlibs) libX11 libXaw xproto libXt libSM libICE
+      libXmu libXext libXcursor;
+  };
+
+  jags = callPackage ../applications/science/math/jags { };
+
+  liblapack = callPackage ../development/libraries/science/math/liblapack { };
+  liblapack_3_5_0 = callPackage ../development/libraries/science/math/liblapack/3.5.0.nix { };
+
+  liblbfgs = callPackage ../development/libraries/science/math/liblbfgs { };
+
+  # julia is pinned to specific versions of openblas, so keep old versions
+  # until they aren't needed. The un-versioned attribute may continue to track
+  # upstream development.
+  openblas = callPackage ../development/libraries/science/math/openblas {
+    liblapack = liblapack_3_5_0;
+  };
+  openblas_0_2_10 = callPackage ../development/libraries/science/math/openblas/0.2.10.nix {
+    liblapack = liblapack_3_5_0;
+  };
+  openblas_0_2_2 = callPackage ../development/libraries/science/math/openblas/0.2.2.nix { };
+
+  mathematica = callPackage ../applications/science/math/mathematica { };
+  mathematica9 = callPackage ../applications/science/math/mathematica/9.nix { };
+
+  sage = callPackage ../applications/science/math/sage { };
+
+  ### SCIENCE/MOLECULAR-DYNAMICS
+
+  gromacs = callPackage ../applications/science/molecular-dynamics/gromacs {
+    singlePrec = true;
+    fftw = fftwSinglePrec;
+    cmake = cmakeCurses;
+  };
+
+  gromacsDouble = lowPrio (callPackage ../applications/science/molecular-dynamics/gromacs {
+    singlePrec = false;
+    fftw = fftw;
+    cmake = cmakeCurses;
+  });
+
+
+  ### SCIENCE/LOGIC
+
+  abc-verifier = callPackage ../applications/science/logic/abc {};
+
+  alt-ergo = callPackage ../applications/science/logic/alt-ergo {};
+
+  coq = callPackage ../applications/science/logic/coq {
+    inherit (ocamlPackages_4_01_0) ocaml findlib lablgtk;
+    camlp5 = ocamlPackages_4_01_0.camlp5_transitional;
+  };
+
+  coq_HEAD = callPackage ../applications/science/logic/coq/HEAD.nix {
+    inherit (ocamlPackages) findlib lablgtk;
+    camlp5 = ocamlPackages.camlp5_transitional;
+  };
+
+  coq_8_3 = callPackage ../applications/science/logic/coq/8.3.nix {
+    inherit (ocamlPackages_3_12_1) ocaml findlib;
+    camlp5 = ocamlPackages_3_12_1.camlp5_transitional;
+    lablgtk = ocamlPackages_3_12_1.lablgtk_2_14;
+  };
+
+  mkCoqPackages_8_4 = self: let callPackage = newScope self; in {
+
+    bedrock = callPackage ../development/coq-modules/bedrock {};
+
+    containers = callPackage ../development/coq-modules/containers {};
+
+    coqExtLib = callPackage ../development/coq-modules/coq-ext-lib {};
+
+    domains = callPackage ../development/coq-modules/domains {};
+
+    heq = callPackage ../development/coq-modules/heq {};
+
+    mathcomp = callPackage ../development/coq-modules/mathcomp {};
+
+    paco = callPackage ../development/coq-modules/paco {};
+
+    ssreflect = callPackage ../development/coq-modules/ssreflect {};
+
+    tlc = callPackage ../development/coq-modules/tlc {};
+
+    ynot = callPackage ../development/coq-modules/ynot {};
+
+  };
+
+  coqPackages = recurseIntoAttrs (mkCoqPackages_8_4 coqPackages);
+
+  cvc3 = callPackage ../applications/science/logic/cvc3 {};
+  cvc4 = callPackage ../applications/science/logic/cvc4 {};
+
+  ekrhyper = callPackage ../applications/science/logic/ekrhyper {};
+
+  eprover = callPackage ../applications/science/logic/eprover {
+    texLive = texLiveAggregationFun {
+      paths = [
+        texLive texLiveExtra
+      ];
+    };
+  };
+
+  ginac = callPackage ../applications/science/math/ginac { };
+
+  hol = callPackage ../applications/science/logic/hol { };
+
+  hol_light = callPackage ../applications/science/logic/hol_light {
+    inherit (ocamlPackages) findlib;
+    camlp5 = ocamlPackages.camlp5_strict;
+  };
+
+  isabelle = import ../applications/science/logic/isabelle {
+    inherit (pkgs) stdenv fetchurl nettools perl polyml;
+    inherit (pkgs.emacs24Packages) proofgeneral;
+    java = if stdenv.isLinux then jre else jdk;
+  };
+
+  iprover = callPackage ../applications/science/logic/iprover {};
+
+  leo2 = callPackage ../applications/science/logic/leo2 {};
+
+  logisim = callPackage ../applications/science/logic/logisim {};
+
+  ltl2ba = callPackage ../applications/science/logic/ltl2ba {};
+
+  matita = callPackage ../applications/science/logic/matita {
+    ocaml = ocaml_3_11_2;
+    inherit (ocamlPackages_3_11_2) findlib lablgtk ocaml_expat gmetadom ocaml_http
+            lablgtkmathview ocaml_mysql ocaml_sqlite3 ocamlnet camlzip ocaml_pcre;
+    ulex08 = ocamlPackages_3_11_2.ulex08.override { camlp5 = ocamlPackages_3_11_2.camlp5_old_transitional; };
+  };
+
+  matita_130312 = lowPrio (callPackage ../applications/science/logic/matita/130312.nix {
+    inherit (ocamlPackages) findlib lablgtk ocaml_expat gmetadom ocaml_http
+            ocaml_mysql ocamlnet ulex08 camlzip ocaml_pcre;
+  });
+
+  minisat = callPackage ../applications/science/logic/minisat {};
+
+  opensmt = callPackage ../applications/science/logic/opensmt { };
+
+  ott = callPackage ../applications/science/logic/ott {
+    camlp5 = ocamlPackages.camlp5_transitional;
+  };
+
+  otter = callPackage ../applications/science/logic/otter {};
+
+  picosat = callPackage ../applications/science/logic/picosat {};
+
+  prooftree = callPackage ../applications/science/logic/prooftree {
+    inherit (ocamlPackages_4_01_0) ocaml findlib lablgtk;
+    camlp5 = ocamlPackages_4_01_0.camlp5_transitional;
+  };
+
+  prover9 = callPackage ../applications/science/logic/prover9 { };
+
+  satallax = callPackage ../applications/science/logic/satallax {};
+
+  spass = callPackage ../applications/science/logic/spass {};
+
+  tptp = callPackage ../applications/science/logic/tptp {};
+
+  twelf = callPackage ../applications/science/logic/twelf {
+    smlnj = if stdenv.isDarwin
+      then smlnjBootstrap
+      else smlnj;
+  };
+
+  verifast = callPackage ../applications/science/logic/verifast {};
+
+  why3 = callPackage ../applications/science/logic/why3 {};
+
+  yices = callPackage ../applications/science/logic/yices {};
+
+  z3 = callPackage ../applications/science/logic/z3 {};
+
+  boolector   = boolector15;
+  boolector15 = callPackage ../applications/science/logic/boolector {};
+  boolector16 = lowPrio (callPackage ../applications/science/logic/boolector {
+    useV16 = true;
+  });
+
+  ### SCIENCE / ELECTRONICS
+
+  eagle = callPackage_i686 ../applications/science/electronics/eagle { };
+
+  caneda = callPackage ../applications/science/electronics/caneda { };
+
+  gtkwave = callPackage ../applications/science/electronics/gtkwave { };
+
+  kicad = callPackage ../applications/science/electronics/kicad {
+    wxGTK = wxGTK29;
+  };
+
+  ngspice = callPackage ../applications/science/electronics/ngspice { };
+
+  qucs = callPackage ../applications/science/electronics/qucs { };
+
+  xoscope = callPackage ../applications/science/electronics/xoscope { };
+
+
+  ### SCIENCE / MATH
+
+  ecm = callPackage ../applications/science/math/ecm { };
+
+  eukleides = callPackage ../applications/science/math/eukleides {
+    texinfo = texinfo4;
+  };
+
+  fricas = callPackage ../applications/science/math/fricas { };
+
+  gap = callPackage ../applications/science/math/gap { };
+
+  maxima = callPackage ../applications/science/math/maxima { };
+
+  wxmaxima = callPackage ../applications/science/math/wxmaxima { };
+
+  pari = callPackage ../applications/science/math/pari {};
+
+  pcalc = callPackage ../applications/science/math/pcalc { };
+
+  pspp = callPackage ../applications/science/math/pssp {
+    inherit (gnome) libglade gtksourceview;
+  };
+
+  singular = callPackage ../applications/science/math/singular {};
+
+  scilab = callPackage ../applications/science/math/scilab {
+    withXaw3d = false;
+    withTk = true;
+    withGtk = false;
+    withOCaml = true;
+    withX = true;
+  };
+
+  msieve = callPackage ../applications/science/math/msieve { };
+
+  weka = callPackage ../applications/science/math/weka { };
+
+  yad = callPackage ../tools/misc/yad { };
+
+  yacas = callPackage ../applications/science/math/yacas { };
+
+  speedcrunch = callPackage ../applications/science/math/speedcrunch {
+    qt = qt4;
+    cmake = cmakeCurses;
+  };
+
+
+  ### SCIENCE / MISC
+
+  boinc = callPackage ../applications/science/misc/boinc { };
+
+  celestia = callPackage ../applications/science/astronomy/celestia {
+    lua = lua5_1;
+    inherit (xlibs) libXmu;
+    inherit (pkgs.gnome) gtkglext;
+  };
+
+  fityk = callPackage ../applications/science/misc/fityk { };
+
+  gravit = callPackage ../applications/science/astronomy/gravit { };
+
+  golly = callPackage ../applications/science/misc/golly { };
+
+  megam = callPackage ../applications/science/misc/megam { };
+
+  root = callPackage ../applications/science/misc/root { };
+
+  simgrid = callPackage ../applications/science/misc/simgrid { };
+
+  spyder = callPackage ../applications/science/spyder {
+    inherit (pythonPackages) pyflakes rope sphinx numpy scipy matplotlib; # recommended
+    inherit (pythonPackages) ipython pep8; # optional
+    inherit pylint;
+  };
+
+  stellarium = callPackage ../applications/science/astronomy/stellarium { };
+
+  tulip = callPackage ../applications/science/misc/tulip { };
+
+  vite = callPackage ../applications/science/misc/vite { };
+
+  xplanet = callPackage ../applications/science/astronomy/xplanet { };
+
+  ### SCIENCE / PHYSICS
+
+  geant4 = callPackage ../development/libraries/physics/geant4 {
+    enableMultiThreading = true;
+    enableG3toG4         = false;
+    enableInventor       = false;
+    enableGDML           = false;
+    enableQT             = false;
+    enableXM             = false;
+    enableOpenGLX11      = true;
+    enableRaytracerX11   = false;
+
+    # Optional system packages, otherwise internal GEANT4 packages are used.
+    clhep = null;
+    expat = expat;
+    zlib  = null;
+
+    # For enableGDML.
+    xercesc = null;
+
+    # For enableQT.
+    qt = null; # qt4SDK or qt5SDK
+
+    # For enableXM.
+    motif = null; # motif or lesstif
+
+    # For enableQT, enableXM, enableOpenGLX11, enableRaytracerX11.
+    mesa = mesa;
+    x11  = x11;
+    inherit (xlibs) libXmu;
+  };
+
+  g4py = callPackage ../development/libraries/physics/geant4/g4py { };
+
+  ### MISC
+
+  atari800 = callPackage ../misc/emulators/atari800 { };
+
+  ataripp = callPackage ../misc/emulators/atari++ { };
+
+  auctex = callPackage ../tools/typesetting/tex/auctex { };
+
+  beep = callPackage ../misc/beep { };
+
+  cups = callPackage ../misc/cups { libusb = libusb1; };
+
+  cups_pdf_filter = callPackage ../misc/cups/pdf-filter.nix { };
+
+  gutenprint = callPackage ../misc/drivers/gutenprint { };
+
+  gutenprintBin = callPackage ../misc/drivers/gutenprint/bin.nix { };
+
+  cupsBjnp = callPackage ../misc/cups/drivers/cups-bjnp { };
+
+  darcnes = callPackage ../misc/emulators/darcnes { };
+
+  dbacl = callPackage ../tools/misc/dbacl { };
+
+  dblatex = callPackage ../tools/typesetting/tex/dblatex {
+    enableAllFeatures = false;
+  };
+
+  dblatexFull = appendToName "full" (dblatex.override {
+    enableAllFeatures = true;
+  });
+
+  dosbox = callPackage ../misc/emulators/dosbox { };
+
+  dpkg = callPackage ../tools/package-management/dpkg { };
+
+  ekiga = newScope pkgs.gnome ../applications/networking/instant-messengers/ekiga { };
+
+  emulationstation = callPackage ../misc/emulators/emulationstation { };
+
+  electricsheep = callPackage ../misc/screensavers/electricsheep { };
+
+  fakenes = callPackage ../misc/emulators/fakenes { };
+
+  fceux = callPackage ../misc/emulators/fceux { };
+
+  foldingathome = callPackage ../misc/foldingathome { };
+
+  foo2zjs = callPackage ../misc/drivers/foo2zjs {};
+
+  foomatic_filters = callPackage ../misc/drivers/foomatic-filters {};
+
+  freestyle = callPackage ../misc/freestyle { };
+
+  gajim = callPackage ../applications/networking/instant-messengers/gajim { };
+
+  gammu = callPackage ../applications/misc/gammu { };
+
+  gensgs = callPackage_i686 ../misc/emulators/gens-gs { };
+
+  ghostscript = callPackage ../misc/ghostscript {
+    x11Support = false;
+    cupsSupport = config.ghostscript.cups or (!stdenv.isDarwin);
+    gnuFork = config.ghostscript.gnu or false;
+  };
+
+  ghostscriptX = appendToName "with-X" (ghostscript.override {
+    x11Support = true;
+  });
+
+  guix = callPackage ../tools/package-management/guix { };
+
+  gxemul = callPackage ../misc/gxemul { };
+
+  hatari = callPackage ../misc/emulators/hatari { };
+
+  hplip = callPackage ../misc/drivers/hplip { };
+
+  hplipWithPlugin = hplip.override { withPlugin = true; };
+
+  # using the new configuration style proposal which is unstable
+  jack1 = callPackage ../misc/jackaudio/jack1.nix { };
+
+  jack2 = callPackage ../misc/jackaudio { };
+
+  keynav = callPackage ../tools/X11/keynav { };
+
+  lazylist = callPackage ../tools/typesetting/tex/lazylist { };
+
+  lilypond = callPackage ../misc/lilypond { guile = guile_1_8; };
+
+  martyr = callPackage ../development/libraries/martyr { };
+
+  mess = callPackage ../misc/emulators/mess {
+    inherit (pkgs.gnome) GConf;
+  };
+
+  mupen64plus = callPackage ../misc/emulators/mupen64plus { };
+
+  mupen64plus1_5 = callPackage ../misc/emulators/mupen64plus/1.5.nix { };
+
+  nix = nixStable;
+
+  nixStable = callPackage ../tools/package-management/nix {
+    storeDir = config.nix.storeDir or "/nix/store";
+    stateDir = config.nix.stateDir or "/nix/var";
+  };
+
+  nixUnstable = callPackage ../tools/package-management/nix/unstable.nix {
+    storeDir = config.nix.storeDir or "/nix/store";
+    stateDir = config.nix.stateDir or "/nix/var";
+  };
+
+  nixops = callPackage ../tools/package-management/nixops { };
+
+  nix-prefetch-scripts = callPackage ../tools/package-management/nix-prefetch-scripts { };
+
+  nix-repl = callPackage ../tools/package-management/nix-repl { };
+
+  nut = callPackage ../applications/misc/nut { };
+
+  solfege = callPackage ../misc/solfege {
+      pysqlite = pkgs.pythonPackages.sqlite3;
+  };
+
+  disnix = callPackage ../tools/package-management/disnix { };
+
+  dysnomia = callPackage ../tools/package-management/disnix/dysnomia {
+    enableApacheWebApplication = config.disnix.enableApacheWebApplication or false;
+    enableAxis2WebService = config.disnix.enableAxis2WebService or false;
+    enableEjabberdDump = config.disnix.enableEjabberdDump or false;
+    enableMySQLDatabase = config.disnix.enableMySQLDatabase or false;
+    enablePostgreSQLDatabase = config.disnix.enablePostgreSQLDatabase or false;
+    enableSubversionRepository = config.disnix.enableSubversionRepository or false;
+    enableTomcatWebApplication = config.disnix.enableTomcatWebApplication or false;
+  };
+
+  disnixos = callPackage ../tools/package-management/disnix/disnixos { };
+
+  DisnixWebService = callPackage ../tools/package-management/disnix/DisnixWebService { };
+
+  latex2html = callPackage ../tools/typesetting/tex/latex2html/default.nix {
+    tex = tetex;
+  };
+
+  lkproof = callPackage ../tools/typesetting/tex/lkproof { };
+
+  mysqlWorkbench = newScope gnome ../applications/misc/mysql-workbench {
+    lua = lua5_1;
+    inherit (pythonPackages) pexpect paramiko;
+  };
+
+  robomongo = callPackage ../applications/misc/robomongo { };
+
+  opkg = callPackage ../tools/package-management/opkg { };
+
+  pgadmin = callPackage ../applications/misc/pgadmin { };
+
+  pgf = pgf2;
+
+  # Keep the old PGF since some documents don't render properly with
+  # the new one.
+  pgf1 = callPackage ../tools/typesetting/tex/pgf/1.x.nix { };
+
+  pgf2 = callPackage ../tools/typesetting/tex/pgf/2.x.nix { };
+
+  pgf3 = callPackage ../tools/typesetting/tex/pgf/3.x.nix { };
+
+  pgfplots = callPackage ../tools/typesetting/tex/pgfplots { };
+
+  phabricator = callPackage ../misc/phabricator { };
+
+  pjsip = callPackage ../applications/networking/pjsip { };
+
+  polytable = callPackage ../tools/typesetting/tex/polytable { };
+
+  PPSSPP = callPackage ../misc/emulators/ppsspp { };
+
+  uae = callPackage ../misc/emulators/uae { };
+
+  putty = callPackage ../applications/networking/remote/putty { };
+
+  retroarchBare = callPackage ../misc/emulators/retroarch { };
+
+  retroarchBareMaster = callPackage ../misc/emulators/retroarch/master.nix { };
+
+  retroarch = wrapRetroArch { retroarch = retroarchBareMaster; };
+
+  libretro = recurseIntoAttrs (callPackage ../misc/emulators/retroarch/cores.nix {
+    retroarch = retroarchBareMaster;
+  });
+
+  rssglx = callPackage ../misc/screensavers/rss-glx { };
+
+  xlockmore = callPackage ../misc/screensavers/xlockmore { };
+
+  samsungUnifiedLinuxDriver = import ../misc/cups/drivers/samsung {
+    inherit fetchurl stdenv;
+    inherit cups ghostscript glibc patchelf;
+    gcc = import ../development/compilers/gcc/4.4 {
+      inherit stdenv fetchurl gmp mpfr noSysDirs gettext which;
+      texinfo = texinfo4;
+      profiledCompiler = true;
+    };
+  };
+
+  saneBackends = callPackage ../applications/graphics/sane/backends.nix {
+    gt68xxFirmware = config.sane.gt68xxFirmware or null;
+    snapscanFirmware = config.sane.snapscanFirmware or null;
+    hotplugSupport = config.sane.hotplugSupport or true;
+    libusb = libusb1;
+  };
+
+  saneBackendsGit = callPackage ../applications/graphics/sane/backends-git.nix {
+    gt68xxFirmware = config.sane.gt68xxFirmware or null;
+    snapscanFirmware = config.sane.snapscanFirmware or null;
+    hotplugSupport = config.sane.hotplugSupport or true;
+  };
+
+  mkSaneConfig = callPackage ../applications/graphics/sane/config.nix { };
+
+  saneFrontends = callPackage ../applications/graphics/sane/frontends.nix { };
+
+  seafile-shared = callPackage ../misc/seafile-shared { };
+
+  slock = callPackage ../misc/screensavers/slock { };
+
+  soundOfSorting = callPackage ../misc/sound-of-sorting { };
+
+  sourceAndTags = import ../misc/source-and-tags {
+    inherit pkgs stdenv unzip lib ctags;
+    hasktags = haskellPackages.hasktags;
+  };
+
+  splix = callPackage ../misc/cups/drivers/splix { };
+
+  streamripper = callPackage ../applications/audio/streamripper { };
+
+  sqsh = callPackage ../development/tools/sqsh { };
+
+  tetex = callPackage ../tools/typesetting/tex/tetex { libpng = libpng12; };
+
+  tex4ht = callPackage ../tools/typesetting/tex/tex4ht { };
+
+  texFunctions = import ../tools/typesetting/tex/nix pkgs;
+
+  texLive = builderDefsPackage (import ../tools/typesetting/tex/texlive) {
+    inherit builderDefs zlib bzip2 ncurses libpng ed lesstif ruby potrace
+      gd t1lib freetype icu perl expat curl xz pkgconfig zziplib texinfo
+      libjpeg bison python fontconfig flex poppler libpaper graphite2
+      makeWrapper;
+    inherit (xlibs) libXaw libX11 xproto libXt libXpm
+      libXmu libXext xextproto libSM libICE;
+    ghostscript = ghostscriptX;
+    harfbuzz = harfbuzz.override {
+      withIcu = true; withGraphite2 = true;
+    };
+  };
+
+  texLiveFull = lib.setName "texlive-full" (texLiveAggregationFun {
+    paths = [ texLive texLiveExtra lmodern texLiveCMSuper texLiveLatexXColor
+              texLivePGF texLiveBeamer texLiveModerncv tipa tex4ht texinfo
+              texLiveModerntimeline ];
+  });
+
+  /* Look in configurations/misc/raskin.nix for usage example (around revisions
+  where TeXLive was added)
+
+  (texLiveAggregationFun {
+    paths = [texLive texLiveExtra texLiveCMSuper
+      texLiveBeamer
+    ];
+  })
+
+  You need to use texLiveAggregationFun to regenerate, say, ls-R (TeX-related file list)
+  Just installing a few packages doesn't work.
+  */
+  texLiveAggregationFun = params:
+    builderDefsPackage (import ../tools/typesetting/tex/texlive/aggregate.nix)
+      ({inherit poppler perl makeWrapper;} // params);
+
+  texDisser = callPackage ../tools/typesetting/tex/disser {};
+
+  texLiveContext = builderDefsPackage (import ../tools/typesetting/tex/texlive/context.nix) {
+    inherit texLive;
+  };
+
+  texLiveExtra = builderDefsPackage (import ../tools/typesetting/tex/texlive/extra.nix) {
+    inherit texLive xz;
+  };
+
+  texLiveCMSuper = builderDefsPackage (import ../tools/typesetting/tex/texlive/cm-super.nix) {
+    inherit texLive;
+  };
+
+  texLiveLatexXColor = builderDefsPackage (import ../tools/typesetting/tex/texlive/xcolor.nix) {
+    inherit texLive;
+  };
+
+  texLivePGF = builderDefsPackage (import ../tools/typesetting/tex/texlive/pgf.nix) {
+    inherit texLiveLatexXColor texLive;
+  };
+
+  texLiveBeamer = builderDefsPackage (import ../tools/typesetting/tex/texlive/beamer.nix) {
+    inherit texLiveLatexXColor texLivePGF texLive;
+  };
+
+  texLiveModerncv = builderDefsPackage (import ../tools/typesetting/tex/texlive/moderncv.nix) {
+    inherit texLive unzip;
+  };
+
+  texLiveModerntimeline = builderDefsPackage (import ../tools/typesetting/tex/texlive/moderntimeline.nix) {
+    inherit texLive unzip;
+  };
+
+  thermald = callPackage ../tools/system/thermald { };
+
+  thinkfan = callPackage ../tools/system/thinkfan { };
+
+  vice = callPackage ../misc/emulators/vice {
+    libX11 = xlibs.libX11;
+    giflib = giflib_4_1;
+  };
+
+  viewnior = callPackage ../applications/graphics/viewnior { };
+
+  vimPlugins = recurseIntoAttrs (callPackage ../misc/vim-plugins { });
+
+  vimprobable2 = callPackage ../applications/networking/browsers/vimprobable2 {
+    webkit = webkitgtk2;
+  };
+
+  vimprobable2Wrapper = wrapFirefox
+    { browser = vimprobable2; browserName = "vimprobable2"; desktopName = "Vimprobable2";
+    };
+
+  vimb = callPackage ../applications/networking/browsers/vimb {
+    webkit = webkitgtk2;
+  };
+
+  vimbWrapper = wrapFirefox {
+    browser = vimb;
+    browserName = "vimb";
+    desktopName = "Vimb";
+  };
+
+  VisualBoyAdvance = callPackage ../misc/emulators/VisualBoyAdvance { };
+
+  # Wine cannot be built in 64-bit; use a 32-bit build instead.
+  wineStable = callPackage_i686 ../misc/emulators/wine/stable.nix {
+    bison = bison2;
+  };
+
+  wineUnstable = lowPrio (callPackage_i686 ../misc/emulators/wine/unstable.nix {
+    bison = bison2;
+  });
+
+  wine = wineStable;
+
+  winetricks = callPackage ../misc/emulators/wine/winetricks.nix {
+    inherit (gnome2) zenity;
+  };
+
+  wxmupen64plus = callPackage ../misc/emulators/wxmupen64plus { };
+
+  x2x = callPackage ../tools/X11/x2x { };
+
+  xboxdrv = callPackage ../misc/drivers/xboxdrv { };
+
+  xinput_calibrator = callPackage ../tools/X11/xinput_calibrator {
+    inherit (xlibs) libXi inputproto;
+  };
+
+  xosd = callPackage ../misc/xosd { };
+
+  xsane = callPackage ../applications/graphics/sane/xsane.nix {
+    libpng = libpng12;
+    saneBackends = saneBackends;
+  };
+
+  yafc = callPackage ../applications/networking/yafc { };
+
+  yandex-disk = callPackage ../tools/filesystems/yandex-disk { };
+
+  myEnvFun = import ../misc/my-env {
+    inherit substituteAll pkgs;
+    inherit (stdenv) mkDerivation;
+  };
+
+  # patoline requires a rather large ocaml compilation environment.
+  # this is why it is build as an environment and not just a normal package.
+  # remark : the emacs mode is also installed, but you have to adjust your load-path.
+  PatolineEnv = pack: myEnvFun {
+      name = "patoline";
+      buildInputs = [ stdenv ncurses mesa freeglut libzip gcc
+                                   pack.ocaml pack.findlib pack.camomile
+                                   pack.dypgen pack.ocaml_sqlite3 pack.camlzip
+                                   pack.lablgtk pack.camlimages pack.ocaml_cairo
+                                   pack.lablgl pack.ocamlnet pack.cryptokit
+                                   pack.ocaml_pcre pack.patoline
+                                   ];
+    # this is to circumvent the bug with libgcc_s.so.1 which is
+    # not found when using thread
+    extraCmds = ''
+       LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:${gcc.gcc}/lib
+       export LD_LIBRARY_PATH
+    '';
+  };
+
+  patoline = PatolineEnv ocamlPackages_4_00_1;
+
+  znc = callPackage ../applications/networking/znc { };
+
+  zncModules = recurseIntoAttrs (
+    callPackage ../applications/networking/znc/modules.nix { }
+  );
+
+  zsnes = callPackage_i686 ../misc/emulators/zsnes { };
+
+  snes9x-gtk = callPackage ../misc/emulators/snes9x-gtk { };
+
+  higan = callPackage ../misc/emulators/higan {
+    profile = config.higan.profile or "performance";
+    guiToolkit = config.higan.guiToolkit or "gtk";
+  };
+
+  misc = import ../misc/misc.nix { inherit pkgs stdenv; };
+
+  bullet = callPackage ../development/libraries/bullet {};
+
+  dart = callPackage ../development/interpreters/dart { };
+
+  httrack = callPackage ../tools/backup/httrack { };
+
+  mg = callPackage ../applications/editors/mg { };
+
+
+  # Attributes for backward compatibility.
+  adobeReader = adobe-reader;
+  asciidocFull = asciidoc-full;  # added 2014-06-22
+  lttngTools = lttng-tools;  # added 2014-07-31
+  lttngUst = lttng-ust;  # added 2014-07-31
+  jquery_ui = jquery-ui;  # added 2014-09-07
+
+
+}; in self; in pkgs