* util-linux 2.20.1.

svn path=/nixpkgs/branches/stdenv-updates/; revision=30860

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

@@ -0,0 +1,26 @@
+{ stdenv, fetchurl, zlib, ncurses ? null, perl ? null }:
+
+stdenv.mkDerivation rec {
+  name = "util-linux-2.20.1";
+
+  src = fetchurl {
+    # This used to be mirror://kernel/linux/utils/util-linux, but it
+    # disappeared in the kernel.org meltdown.
+    url = "mirror://gentoo/distfiles/${name}.tar.bz2";
+    sha256 = "1q5vjcvw4f067c63vj2n3xggvk5prm11571x6vnqiav47vdbqvni";
+  };
+
+  # !!! It would be better to obtain the path to the mount helpers
+  # (/sbin/mount.*) through an environment variable, but that's
+  # somewhat risky because we have to consider that mount can setuid
+  # root...
+  configureFlags = ''
+    --disable-use-tty-group
+    --enable-write
+    --enable-fs-paths-default=/var/run/current-system/sw/sbin:/sbin
+    ${if ncurses == null then "--without-ncurses" else ""}
+  '';
+
+  buildInputs = [ zlib ] ++ stdenv.lib.optional (ncurses != null) ncurses
+             ++ stdenv.lib.optional (perl != null) perl;
+}