Adding upx.

svn path=/nixpkgs/trunk/; revision=14645

pkgs/tools/compression/upx/default.nix

@@ -0,0 +1,20 @@
+{stdenv, fetchurl, ucl, zlib}:
+
+stdenv.mkDerivation {
+  name = "upx-3.03";
+  src = fetchurl {
+    url = http://upx.sourceforge.net/download/upx-3.03-src.tar.bz2;
+    sha256 = "a04b0decd01d3ca194b9553c7bbf8a01bc17e0e06eb0850f4271bba783143d7b";
+  };
+  buildInputs = [ ucl zlib ];
+
+  preConfigure = "cd src";
+
+  installPhase = "ensureDir $out/bin ; cp upx.out $out/bin/upx";
+
+  meta = {
+    homepage = http://upx.sourceforge.net/;
+    description = "The Ultimate Packer for eXecutables";
+    license = "GPLv2+";
+  };
+}