minizip: New package based on zlib derivation.

This is needed by Chromium and is part of the zlib source tree in
contrib/, so let's propagate the version of zlib and use the same source
tree.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

pkgs/development/libraries/minizip/default.nix

@@ -0,0 +1,14 @@
+{ stdenv, zlib, autoconf, automake, libtool }:
+
+stdenv.mkDerivation {
+  name = "minizip-${zlib.version}";
+  inherit (zlib) src;
+
+  nativeBuildInputs = [ autoconf automake libtool ];
+  buildInputs = [ zlib ];
+
+  preConfigure = ''
+    cd contrib/minizip
+    autoreconf -vfi
+  '';
+}

pkgs/development/libraries/zlib/default.nix

@@ -40,4 +40,6 @@ stdenv.mkDerivation rec {
 
   # zlib doesn't like the automatic --disable-shared from the Cygwin stdenv.
   cygwinConfigureEnableShared = true;
+
+  passthru.version = version;
 }

pkgs/top-level/all-packages.nix

@@ -5398,6 +5398,8 @@ let
 
   ming = callPackage ../development/libraries/ming { };
 
+  minizip = callPackage ../development/libraries/minizip { };
+
   minmay = callPackage ../development/libraries/minmay { };
 
   miro = callPackage ../applications/video/miro {