Update third_party/protobuf to protobuf-v3.0.0-beta-3

third_party/protobuf/cmake/CMakeLists.txt

 # Minimum CMake required
 cmake_minimum_required(VERSION 2.8)
 
 # Project
 project(protobuf C CXX)
 
 # CMake policies
 cmake_policy(SET CMP0022 NEW)
 
 # Options
@@ skipping 100 matching lines @@
         string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
       endif(${flag_var} MATCHES "/MD")
     endforeach(flag_var)
   endif (MSVC AND protobuf_MSVC_STATIC_RUNTIME)
 endif (protobuf_BUILD_SHARED_LIBS)
 
 if (MSVC)
   # Build with multiple processes
   add_definitions(/MP)
   add_definitions(/wd4244 /wd4267 /wd4018 /wd4355 /wd4800 /wd4251 /wd4996 /wd4146 /wd4305)
+  # Allow big object
+  add_definitions(/bigobj)
   string(REPLACE "/" "\\" PROTOBUF_SOURCE_WIN32_PATH ${protobuf_SOURCE_DIR})
   string(REPLACE "/" "\\" PROTOBUF_BINARY_WIN32_PATH ${protobuf_BINARY_DIR})
   configure_file(extract_includes.bat.in extract_includes.bat)
 endif (MSVC)
 
 get_filename_component(protobuf_source_dir ${protobuf_SOURCE_DIR} PATH)
 
 include_directories(
   ${ZLIB_INCLUDE_DIRECTORIES}
   ${protobuf_BINARY_DIR}
@@ skipping 11 matching lines @@
 include(libprotobuf-lite.cmake)
 include(libprotobuf.cmake)
 include(libprotoc.cmake)
 include(protoc.cmake)
 
 if (protobuf_BUILD_TESTS)
   include(tests.cmake)
 endif (protobuf_BUILD_TESTS)
 
 include(install.cmake)