Split some GTK/X11-related packages

The closure of the Pan newsreader is now down from 344 MiB to 195 MiB.

pkgs/build-support/multiple-outputs.nix

@@ -2,13 +2,16 @@
 
 with stdenv.lib;
 
-{ outputs, ... } @ args:
+{ outputs ? [ "out" ], ... } @ args:
 
 stdenv.mkDerivation (args // {
 
   #postPhases = [ "fixupOutputsPhase" ] ++ args.postPhases or [];
 
   preHook =
+    optionalString (elem "man" outputs) ''
+      configureFlags="--mandir=$man/share/man $configureFlags"
+    '' +
     ''
       ${optionalString (elem "bin" outputs) ''
         configureFlags="--bindir=$bin/bin --mandir=$bin/share/man $configureFlags"
@@ -43,7 +46,7 @@ stdenv.mkDerivation (args // {
           echo "$propagatedBuildInputs" > "$dev/nix-support/propagated-build-inputs"
           propagatedBuildInputs=
         fi
-        echo "$out $lib $propagatedBuildNativeInputs" > "$dev/nix-support/propagated-build-native-inputs"
+        echo "$out $lib $bin $propagatedBuildNativeInputs" > "$dev/nix-support/propagated-build-native-inputs"
         propagatedBuildNativeInputs=
       elif [ -n "$out" ]; then
         propagatedBuildNativeInputs="$lib $propagatedBuildNativeInputs"

pkgs/development/libraries/atk/2.2.x.nix

@@ -8,12 +8,14 @@ stdenv.mkDerivation rec {
     sha256 = "17bkqg89l9hxbkgc76cxlin1bwczk7m6ikbccx677lrxh3kz08lb";
   };
 
+  enableParallelBuilding = true;
+
+  outputs = [ "dev" "out" "doc" ];
+
   buildNativeInputs = [ pkgconfig perl ];
 
   propagatedBuildInputs = [ glib ];
 
-  postInstall = "rm -rf $out/share/gtk-doc";
-
   meta = {
     description = "ATK, the accessibility toolkit";
 

pkgs/development/libraries/cairo/default.nix

@@ -14,12 +14,16 @@ assert xcbSupport -> libxcb != null && xcbutil != null;
 
 stdenv.mkDerivation rec {
   name = "cairo-1.10.2";
-  
+
   src = fetchurl {
     url = "http://cairographics.org/releases/${name}.tar.gz";
     sha1 = "ccce5ae03f99c505db97c286a0c9a90a926d3c6e";
   };
 
+  enableParallelBuilding = true;
+
+  outputs = [ "dev" "out" "bin" "doc" ];
+
   buildInputs =
     [ pkgconfig x11 fontconfig xlibs.libXrender ]
     ++ stdenv.lib.optionals xcbSupport [ libxcb xcbutil ]
@@ -32,7 +36,7 @@ stdenv.mkDerivation rec {
     stdenv.lib.optional gobjectSupport glib ++
     stdenv.lib.optional postscriptSupport zlib ++
     stdenv.lib.optional pngSupport libpng;
-    
+
   configureFlags =
     [ "--enable-tee" ]
     ++ stdenv.lib.optional xcbSupport "--enable-xcb"
@@ -45,9 +49,6 @@ stdenv.mkDerivation rec {
         -es'|^Cflags:\(.*\)$|Cflags: \1 -I${freetype}/include/freetype2 -I${freetype}/include|g'
   '';
 
-  # The default `--disable-gtk-doc' is ignored.
-  postInstall = "rm -rf $out/share/gtk-doc";
-
   meta = {
     description = "A 2D graphics library with support for multiple output devices";
 

pkgs/development/libraries/freetype/default.nix

@@ -5,15 +5,20 @@
   useEncumberedCode ? false
 }:
 
-stdenv.mkDerivation (rec {
+stdenv.mkDerivation rec {
   name = "freetype-2.4.4";
-  
+
   src = fetchurl {
     url = "mirror://sourceforge/freetype/${name}.tar.bz2";
     sha256 = "1vqg93473j6jma1bxms7mczk32j8is0g9inkcmmmqdsdvk3q30jb";
   };
 
-  configureFlags = "--disable-static";
+  outputs = [ "dev" "out" ];
+
+  configureFlags = "--disable-static --bindir=$(dev)/bin";
+
+  # FreeType requires GNU Make, which is not part of stdenv on FreeBSD.
+  buildInputs = stdenv.lib.optional (stdenv.system == "i686-freebsd") gnumake;
 
   NIX_CFLAGS_COMPILE = stdenv.lib.optionalString useEncumberedCode
     "-DFT_CONFIG_OPTION_SUBPIXEL_RENDERING=1";
@@ -21,16 +26,15 @@ stdenv.mkDerivation (rec {
   # The asm for armel is written with the 'asm' keyword.
   CFLAGS = stdenv.lib.optionalString stdenv.isArm "-std=gnu99";
 
+  postInstall =
+    ''
+      mkdir $dev/lib
+      mv $out/lib/pkgconfig $dev/lib/
+    '';
+
   meta = {
     description = "A font rendering engine";
     homepage = http://www.freetype.org/;
     license = "GPLv2+"; # or the FreeType License (BSD + advertising clause)
   };
 }
-
-//
-
-# FreeType requires GNU Make, which is not part of stdenv on FreeBSD.
-(if stdenv.system == "i686-freebsd"
- then { buildInputs = [ gnumake ]; }
- else {}))

pkgs/development/libraries/gdk-pixbuf/2.24.x.nix

@@ -9,6 +9,10 @@ stdenv.mkDerivation {
     sha256 = "1qdywh1r75lalb7z6s9pm6pmqx82chrrxqb8cdqi629nvc03yyns";
   };
 
+  outputs = [ "dev" "out" "bin" "doc" ];
+
+  enableParallelBuilding = true;
+
   # !!! We might want to factor out the gdk-pixbuf-xlib subpackage.
   buildInputs = [ libX11 ];
 
@@ -18,8 +22,6 @@ stdenv.mkDerivation {
 
   configureFlags = "--with-libjasper --with-x11";
 
-  postInstall = "rm -rf $out/share/gtk-doc";
-
   meta = {
     description = "A library for image loading and manipulation";
 

pkgs/development/libraries/gmime/default.nix

@@ -2,12 +2,14 @@
 
 stdenv.mkDerivation rec {
   name = "gmime-2.4.24";
-  
+
   src = fetchurl {
     url = "mirror://gnome/sources/gmime/2.4/${name}.tar.gz";
     sha256 = "2f538d68e215f075d16575a6da9acb87983db9e2df0d7d403858048881a0dd15";
   };
-  
+
+  outputs = [ "dev" "out" "bin" "doc" ];
+
   buildInputs = [ pkgconfig glib zlib ];
 
   meta = {

pkgs/development/libraries/gtk+/2.24.x.nix

@@ -21,10 +21,12 @@ stdenv.mkDerivation {
       ./old-icons.patch
     ];
 
+  outputs = [ "dev" "out" "bin" "doc" ];
+
   enableParallelBuilding = true;
-  
+
   buildNativeInputs = [ perl pkgconfig ];
-  
+
   propagatedBuildInputs =
     [ xlibs.xlibs glib atk pango gdk_pixbuf cairo
       xlibs.libXrandr xlibs.libXrender xlibs.libXcomposite xlibs.libXi
@@ -34,8 +36,6 @@ stdenv.mkDerivation {
 
   configureFlags = "--with-xinput=yes";
 
-  postInstall = "rm -rf $out/share/gtk-doc";
-  
   meta = {
     description = "A multi-platform toolkit for creating graphical user interfaces";
 

pkgs/development/libraries/libtiff/default.nix

@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation {
   name = "libtiff-3.9.4";
-  
+
   src = fetchurl {
     urls =
       [ ftp://ftp.remotesensing.org/pub/libtiff/tiff-3.9.4.tar.gz
@@ -10,7 +10,11 @@ stdenv.mkDerivation {
       ];
     sha256 = "19hxd773yxcs4lxlc3zfdkz5aiv705vj2jvy5srpqkxpbw3nvdv7";
   };
-  
+
+  outputs = [ "dev" "out" "bin" "doc" ];
+
+  enableParallelBuilding = true;
+
   propagatedBuildInputs = [ zlib libjpeg ];
 
   meta = {

pkgs/development/libraries/pango/1.29.x.nix

@@ -8,14 +8,16 @@ stdenv.mkDerivation rec {
     sha256 = "0zqjq6ccv6mbah74rcvb03ksq1jwan21z37mdmqa56307sax3s3s";
   };
 
+  enableParallelBuilding = true;
+
+  outputs = [ "dev" "out" "bin" "doc" ];
+
   buildInputs = stdenv.lib.optional stdenv.isDarwin gettext;
 
   buildNativeInputs = [ pkgconfig ];
 
   propagatedBuildInputs = [ x11 glib cairo libpng ];
 
-  postInstall = "rm -rf $out/share/gtk-doc";
-
   meta = {
     description = "A library for laying out and rendering of text, with an emphasis on internationalization";
 

pkgs/misc/cups/default.nix

@@ -1,9 +1,8 @@
 { stdenv, fetchurl, pkgconfig, zlib, libjpeg, libpng, libtiff, pam, openssl
 , dbus, libusb, acl }:
 
-let
+let version = "1.5.2"; in
-  version = "1.5.2";
+
-in
 stdenv.mkDerivation {
   name = "cups-${version}";
 

pkgs/os-specific/linux/util-linux/default.nix

@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
     sha256 = "1q5vjcvw4f067c63vj2n3xggvk5prm11571x6vnqiav47vdbqvni";
   };
 
+  outputs = [ "dev" "out" "bin" ];
+
   patches = [ ./linux-specific-header.patch ];
 
   crossAttrs = {

pkgs/servers/x11/xorg/builder.sh

@@ -9,7 +9,7 @@ postInstall() {
     if test -n "$origPostInstall"; then eval "$origPostInstall"; fi
 
     local r p requires
-    requires=$(grep "Requires:" $out/lib/pkgconfig/*.pc | \
+    requires=$(grep "Requires:" ${dev:-$out}/lib/pkgconfig/*.pc | \
         sed "s/Requires://" | sed "s/,/ /g")
 
     echo "propagating requisites $requires"
@@ -31,10 +31,6 @@ postInstall() {
             done
         fi
     done
-
-    mkdir -p "$out/nix-support"
-    echo "$propagatedBuildInputs" > "$out/nix-support/propagated-build-inputs"
-    echo "$propagatedBuildNativeInputs" > "$out/nix-support/propagated-build-native-inputs"
 }
 
 

pkgs/servers/x11/xorg/default.nix

@@ -577,13 +577,14 @@ let
     buildInputs = [pkgconfig windowswmproto libX11 libXext xextproto ];
   })) // {inherit windowswmproto libX11 libXext xextproto ;};
     
-  libX11 = (stdenv.mkDerivation ((if overrides ? libX11 then overrides.libX11 else x: x) {
+  libX11 = (stdenvMulti.mkDerivation ((if overrides ? libX11 then overrides.libX11 else x: x) {
     name = "libX11-1.4.1";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/individual/lib/libX11-1.4.1.tar.bz2;
       sha256 = "1qiwyqaf9vfn52nwp7nxlbixld3r9jyzsarnkwk0ynk4k3vy1x3h";
     };
+    outputs = [ "dev" "out" "man" ];
     buildInputs = [pkgconfig inputproto kbproto libxcb xextproto xf86bigfontproto xproto xtrans ];
   })) // {inherit inputproto kbproto libxcb xextproto xf86bigfontproto xproto xtrans ;};
     
@@ -597,13 +598,14 @@ let
     buildInputs = [pkgconfig scrnsaverproto libX11 libXext xextproto ];
   })) // {inherit scrnsaverproto libX11 libXext xextproto ;};
     
-  libXau = (stdenv.mkDerivation ((if overrides ? libXau then overrides.libXau else x: x) {
+  libXau = (stdenvMulti.mkDerivation ((if overrides ? libXau then overrides.libXau else x: x) {
     name = "libXau-1.0.6";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libXau-1.0.6.tar.bz2;
       sha256 = "1z3h07wj2kg2hnzj4gd9pc3rkj4n0mfw6f9skg9w1hfwzrgl317f";
     };
+    outputs = [ "dev" "out" "man" ];
     buildInputs = [pkgconfig xproto ];
   })) // {inherit xproto ;};
     
@@ -617,13 +619,14 @@ let
     buildInputs = [pkgconfig libX11 libXext xextproto libXmu libXpm xproto libXt ];
   })) // {inherit libX11 libXext xextproto libXmu libXpm xproto libXt ;};
     
-  libXcomposite = (stdenv.mkDerivation ((if overrides ? libXcomposite then overrides.libXcomposite else x: x) {
+  libXcomposite = (stdenvMulti.mkDerivation ((if overrides ? libXcomposite then overrides.libXcomposite else x: x) {
     name = "libXcomposite-0.4.3";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libXcomposite-0.4.3.tar.bz2;
       sha256 = "1b8sniijb85v4my6v30ma9yqnwl4hkclci9l1hqxnipfyhl4sa9j";
     };
+    outputs = [ "dev" "out" "man" ];
     buildInputs = [pkgconfig compositeproto libX11 libXfixes xproto ];
   })) // {inherit compositeproto libX11 libXfixes xproto ;};
     
@@ -647,33 +650,36 @@ let
     buildInputs = [pkgconfig damageproto fixesproto libX11 xextproto libXfixes xproto ];
   })) // {inherit damageproto fixesproto libX11 xextproto libXfixes xproto ;};
     
-  libXdmcp = (stdenv.mkDerivation ((if overrides ? libXdmcp then overrides.libXdmcp else x: x) {
+  libXdmcp = (stdenvMulti.mkDerivation ((if overrides ? libXdmcp then overrides.libXdmcp else x: x) {
     name = "libXdmcp-1.1.0";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libXdmcp-1.1.0.tar.bz2;
       sha256 = "0wh0q4ih9p3nsxsjjj9a3d03nhiyjggpl7gbavdzsfia36iyk85q";
     };
+    outputs = [ "dev" "out" "doc" ];
     buildInputs = [pkgconfig xproto ];
   })) // {inherit xproto ;};
     
-  libXext = (stdenv.mkDerivation ((if overrides ? libXext then overrides.libXext else x: x) {
+  libXext = (stdenvMulti.mkDerivation ((if overrides ? libXext then overrides.libXext else x: x) {
     name = "libXext-1.2.0";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libXext-1.2.0.tar.bz2;
       sha256 = "1xvgvrbg9lc812zi44hsyr461hiiwy05alckq847ki213qhkxvaa";
     };
+    outputs = [ "dev" "out" "man" "doc" ];
     buildInputs = [pkgconfig libX11 xextproto xproto ];
   })) // {inherit libX11 xextproto xproto ;};
     
-  libXfixes = (stdenv.mkDerivation ((if overrides ? libXfixes then overrides.libXfixes else x: x) {
+  libXfixes = (stdenvMulti.mkDerivation ((if overrides ? libXfixes then overrides.libXfixes else x: x) {
     name = "libXfixes-4.0.5";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libXfixes-4.0.5.tar.bz2;
       sha256 = "0x4drdxrslxf4vgcfyba0f0fbxg98c8x5dfrl7azakhf8qhd0v1f";
     };
+    outputs = [ "dev" "out" "man" ];
     buildInputs = [pkgconfig fixesproto libX11 xextproto xproto ];
   })) // {inherit fixesproto libX11 xextproto xproto ;};
     
@@ -687,33 +693,36 @@ let
     buildInputs = [pkgconfig libfontenc fontsproto freetype xproto xtrans zlib ];
   })) // {inherit libfontenc fontsproto freetype xproto xtrans zlib ;};
     
-  libXft = (stdenv.mkDerivation ((if overrides ? libXft then overrides.libXft else x: x) {
+  libXft = (stdenvMulti.mkDerivation ((if overrides ? libXft then overrides.libXft else x: x) {
     name = "libXft-2.2.0";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libXft-2.2.0.tar.bz2;
       sha256 = "1cprbz7xnxkb7axblw8sdaw9ibkngmz60d0ypk1drhd0dpjmls68";
     };
+    outputs = [ "dev" "out" "man" ];
     buildInputs = [pkgconfig fontconfig freetype xproto libXrender ];
   })) // {inherit fontconfig freetype xproto libXrender ;};
     
-  libXi = (stdenv.mkDerivation ((if overrides ? libXi then overrides.libXi else x: x) {
+  libXi = (stdenvMulti.mkDerivation ((if overrides ? libXi then overrides.libXi else x: x) {
     name = "libXi-1.4.1";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/individual/lib/libXi-1.4.1.tar.bz2;
       sha256 = "19i92if8anv5pg2mwyy93jcllk1mgxx5gchi8zkjlk7r604ir7sr";
     };
+    outputs = [ "dev" "out" "man" "doc" ];
     buildInputs = [pkgconfig inputproto libX11 libXext xextproto xproto ];
   })) // {inherit inputproto libX11 libXext xextproto xproto ;};
     
-  libXinerama = (stdenv.mkDerivation ((if overrides ? libXinerama then overrides.libXinerama else x: x) {
+  libXinerama = (stdenvMulti.mkDerivation ((if overrides ? libXinerama then overrides.libXinerama else x: x) {
     name = "libXinerama-1.1.1";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libXinerama-1.1.1.tar.bz2;
       sha256 = "17vpsscracg1hza0avrczm9fc7xx3229qhicy101mw6cx2hb9qmv";
     };
+    outputs = [ "dev" "out" "man" ];
     buildInputs = [pkgconfig libX11 libXext xextproto xineramaproto ];
   })) // {inherit libX11 libXext xextproto xineramaproto ;};
     
@@ -747,23 +756,25 @@ let
     buildInputs = [pkgconfig libX11 libXext xextproto xproto libXt ];
   })) // {inherit libX11 libXext xextproto xproto libXt ;};
     
-  libXrandr = (stdenv.mkDerivation ((if overrides ? libXrandr then overrides.libXrandr else x: x) {
+  libXrandr = (stdenvMulti.mkDerivation ((if overrides ? libXrandr then overrides.libXrandr else x: x) {
     name = "libXrandr-1.3.1";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libXrandr-1.3.1.tar.bz2;
       sha256 = "0qf6aywqk2mgd5hw0nr24xxp5k015aa11sax5yycn14wch4agfv2";
     };
+    outputs = [ "dev" "out" "man" ];
     buildInputs = [pkgconfig randrproto renderproto libX11 libXext xextproto xproto libXrender ];
   })) // {inherit randrproto renderproto libX11 libXext xextproto xproto libXrender ;};
     
-  libXrender = (stdenv.mkDerivation ((if overrides ? libXrender then overrides.libXrender else x: x) {
+  libXrender = (stdenvMulti.mkDerivation ((if overrides ? libXrender then overrides.libXrender else x: x) {
     name = "libXrender-0.9.6";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libXrender-0.9.6.tar.bz2;
       sha256 = "0s567qgys8m6782lbrpvpscm8fkk2jm2717g7s3hm7hhcgib2n3z";
     };
+    outputs = [ "dev" "out" "doc" ];
     buildInputs = [pkgconfig renderproto libX11 xproto ];
   })) // {inherit renderproto libX11 xproto ;};
     
@@ -887,13 +898,14 @@ let
     buildInputs = [pkgconfig ];
   })) // {inherit ;};
     
-  libxcb = (stdenv.mkDerivation ((if overrides ? libxcb then overrides.libxcb else x: x) {
+  libxcb = (stdenvMulti.mkDerivation ((if overrides ? libxcb then overrides.libxcb else x: x) {
     name = "libxcb-1.7";
     builder = ./builder.sh;
     src = fetchurl {
       url = mirror://xorg/X11R7.6/src/everything/libxcb-1.7.tar.bz2;
       sha256 = "1pr40wa3i1f0iwx83c8alcycy9sfzd2y1qlc63kr8q56w8sxqxp7";
     };
+    outputs = [ "dev" "out" "doc" ];
     buildInputs = [pkgconfig libxslt libpthreadstubs python libXau xcbproto libXdmcp ];
   })) // {inherit libxslt libpthreadstubs python libXau xcbproto libXdmcp ;};
     

pkgs/top-level/all-packages.nix

@@ -3516,7 +3516,9 @@ let
 
   freeglut = callPackage ../development/libraries/freeglut { };
 
-  freetype = callPackage ../development/libraries/freetype { };
+  freetype = callPackage ../development/libraries/freetype {
+    stdenv = stdenvMulti;
+  };
 
   fribidi = callPackage ../development/libraries/fribidi { };
 
@@ -3681,7 +3683,9 @@ let
 
   glpk = callPackage ../development/libraries/glpk { };
 
-  gmime = callPackage ../development/libraries/gmime { };
+  gmime = callPackage ../development/libraries/gmime {
+    stdenv = stdenvMulti;
+  };
 
   gmm = callPackage ../development/libraries/gmm { };
 
@@ -3799,19 +3803,29 @@ let
 
   glib_networking = callPackage ../development/libraries/glib-networking {};
 
-  atk = callPackage ../development/libraries/atk/2.2.x.nix { };
+  atk = callPackage ../development/libraries/atk/2.2.x.nix {
+    stdenv = stdenvMulti;
+  };
 
   atkmm = callPackage ../development/libraries/atkmm/2.22.x.nix { };
 
-  cairo = callPackage ../development/libraries/cairo { };
+  cairo = callPackage ../development/libraries/cairo {
+    stdenv = stdenvMulti;
+  };
 
-  pango = callPackage ../development/libraries/pango/1.29.x.nix { };
+  pango = callPackage ../development/libraries/pango/1.29.x.nix {
+    stdenv = stdenvMulti;
+  };
 
   pangomm = callPackage ../development/libraries/pangomm/2.28.x.nix { };
 
-  gdk_pixbuf = callPackage ../development/libraries/gdk-pixbuf/2.24.x.nix { };
+  gdk_pixbuf = callPackage ../development/libraries/gdk-pixbuf/2.24.x.nix {
+    stdenv = stdenvMulti;
+  };
 
-  gtk2 = callPackage ../development/libraries/gtk+/2.24.x.nix { };
+  gtk2 = callPackage ../development/libraries/gtk+/2.24.x.nix {
+    stdenv = stdenvMulti;
+  };
 
   gtk = pkgs.gtk2;
 
@@ -4297,7 +4311,9 @@ let
 
   libtheora = callPackage ../development/libraries/libtheora { };
 
-  libtiff = callPackage ../development/libraries/libtiff { };
+  libtiff = callPackage ../development/libraries/libtiff {
+    stdenv = stdenvMulti;
+  };
 
   libtiger = callPackage ../development/libraries/libtiger { };
 
@@ -5432,7 +5448,7 @@ let
   xinetd = callPackage ../servers/xinetd { };
 
   xorg = recurseIntoAttrs (import ../servers/x11/xorg/default.nix {
-    inherit fetchurl fetchsvn stdenv pkgconfig freetype fontconfig
+    inherit fetchurl fetchsvn stdenv stdenvMulti pkgconfig freetype fontconfig
       libxslt expat libdrm libpng zlib perl mesa
       xkeyboard_config dbus libuuid openssl gperf m4
       autoconf libtool xmlto asciidoc udev flex bison python;
@@ -6174,10 +6190,12 @@ let
   utillinux = lowPrio (callPackage ../os-specific/linux/util-linux {
     ncurses = null;
     perl = null;
+    stdenv = stdenvMulti;
   });
 
   utillinuxCurses = utillinux.override {
     inherit ncurses perl;
+    stdenv = stdenvMulti;
   };
 
   v4l_utils = callPackage ../os-specific/linux/v4l-utils {