unibilium: new package

Unibilium is a very basic terminfo library. It doesn't depend on curses
or any other library. It also doesn't use global variables, so it should
be thread-safe.

pkgs/development/libraries/unibilium/default.nix

···
+{ stdenv, lib, fetchFromGitHub, libtool, pkgconfig }:
+
+stdenv.mkDerivation rec {
+  name = "unibilium-${version}";
+
+  version = "1.1.2";
+
+  src = fetchFromGitHub {
+    owner = "mauke";
+    repo = "unibilium";
+    rev = "v${version}";
+    sha256 = "143j7qrqjxxmdf3yzhn6av2qwiyjjk4cnskkgz6ir2scjfd5gvja";
+  };
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  buildInputs = [ libtool pkgconfig ];
+
+  meta = with lib; {
+    description = "A very basic terminfo library";
+    license = with licenses; [ lgpl3Plus ];
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   uid_wrapper = callPackage ../development/libraries/uid_wrapper { };
 
+  unibilium = callPackage ../development/libraries/unibilium { };
+
   unicap = callPackage ../development/libraries/unicap {};
 
   tsocks = callPackage ../development/libraries/tsocks { };