diff --git a/pkgs/development/libraries/gmock/default.nix b/pkgs/development/libraries/gmock/default.nix
index 71ac281195b6..926832dbada6 100644
--- a/pkgs/development/libraries/gmock/default.nix
+++ b/pkgs/development/libraries/gmock/default.nix
@@ -1,15 +1,15 @@
-{ stdenv, fetchurl, unzip, cmake}:
+{ stdenv, cmake, fetchzip }:
 
 stdenv.mkDerivation rec {
-  version = "1.7.0";
   name = "gmock-${version}";
+  version = "1.7.0";
 
-  src = fetchurl {
-    url = "https://googlemock.googlecode.com/files/${name}.zip";
-    sha256="26fcbb5925b74ad5fc8c26b0495dfc96353f4d553492eb97e85a8a6d2f43095b";
+  src = fetchzip {
+    url = "https://googlemock.googlecode.com/files/gmock-${version}.zip";
+    sha256 = "04n9p6pf3mrqsabrsncv32d3fqvd86zmcdq3gyni7liszgfk0paz";
   };
 
-  buildInputs = [ unzip cmake ];
+  buildInputs = [ cmake ];
 
   buildPhase = ''
     # avoid building gtest
@@ -29,4 +29,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.bsd3;
     maintainers = [ stdenv.lib.maintainers.auntie ];
   };
+
+  passthru = { source = src; };
 }
diff --git a/pkgs/development/libraries/protobuf/3.0.nix b/pkgs/development/libraries/protobuf/3.0.nix
index 900c9dc5a512..a06d4cef968a 100644
--- a/pkgs/development/libraries/protobuf/3.0.nix
+++ b/pkgs/development/libraries/protobuf/3.0.nix
@@ -1,12 +1,43 @@
-{ callPackage, fetchFromGitHub, ... } @ args:
+{ stdenv, fetchFromGitHub , autoreconfHook, zlib, gmock }:
 
-callPackage ./generic.nix (args // rec {
-  version = "3.0.0-alpha-3.1";
+stdenv.mkDerivation rec {
+  name = "protobuf-${version}";
+
+  version = "3.0.0-beta-2";
   # make sure you test also -A pythonPackages.protobuf
   src = fetchFromGitHub {
     owner = "google";
     repo = "protobuf";
     rev = "v${version}";
-    sha256 = "0vzw20ymjmjrrmg84f822qslclsb2q0wf0qdj2da198gmkkbrw45";
+    sha256 = "0cbr1glgma5vakabsjwcs41pcnn8yphhn037l0zd121zb9gdaqc1";
   };
-})
+
+  postPatch = ''
+    rm -rf gmock
+    cp -r ${gmock.source} gmock
+    chmod -R a+w gmock
+  '' + stdenv.lib.optionalString stdenv.isDarwin ''
+    substituteInPlace src/google/protobuf/testing/googletest.cc \
+      --replace 'tmpnam(b)' '"'$TMPDIR'/foo"'
+  '';
+
+  buildInputs = [ autoreconfHook zlib ];
+
+  enableParallelBuilding = true;
+
+  doCheck = true;
+
+  meta = {
+    description = "Google's data interchange format";
+    longDescription =
+      ''Protocol Buffers are a way of encoding structured data in an efficient
+        yet extensible format. Google uses Protocol Buffers for almost all of
+        its internal RPC protocols and file formats.
+      '';
+    license = stdenv.lib.licenses.bsd3;
+    platforms = stdenv.lib.platforms.unix;
+    homepage = https://developers.google.com/protocol-buffers/;
+  };
+
+  passthru.version = version;
+}
diff --git a/pkgs/development/libraries/protobuf/generic.nix b/pkgs/development/libraries/protobuf/generic.nix
index fc41187a931e..51136c31aa13 100644
--- a/pkgs/development/libraries/protobuf/generic.nix
+++ b/pkgs/development/libraries/protobuf/generic.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
     license = "mBSD";
 
-    homepage = http://code.google.com/p/protobuf/;
+    homepage = https://developers.google.com/protocol-buffers/;
   };
 
   passthru.version = version;