diff --git a/CMakeLists.txt b/CMakeLists.txt
index f37f75695..229617152 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -78,6 +78,15 @@ IF(UNIX)
   SET(CMAKE_C_FLAGS "-fvisibility=hidden -m32 -march=i686 -mtune=generic")
 ENDIF()
 
+# find and make available libz
+if(NOT UNIX)
+    SET(ZLIB_INCLUDE_DIRS ${dfhack_SOURCE_DIR}/library/depends/zlib/include/)
+    SET(ZLIB_LIBRARIES ${dfhack_SOURCE_DIR}/library/depends/zlib/lib/zlib.lib)
+else()
+    find_package(ZLIB REQUIRED)
+endif()
+include_directories(${ZLIB_INCLUDE_DIRS})
+
 #add depends to include path
 INCLUDE_DIRECTORIES ( library/depends )
 INCLUDE_DIRECTORIES ( library/depends/protobuf/ )
diff --git a/library/depends/protobuf/CMakeLists.txt b/library/depends/protobuf/CMakeLists.txt
index cdd85014f..0a203e5d4 100644
--- a/library/depends/protobuf/CMakeLists.txt
+++ b/library/depends/protobuf/CMakeLists.txt
@@ -140,6 +140,7 @@ google/protobuf/dynamic_message.cc
 google/protobuf/extension_set_heavy.cc
 google/protobuf/generated_message_reflection.cc
 google/protobuf/compiler/importer.cc
+google/protobuf/io/gzip_stream.cc
 google/protobuf/message.cc
 google/protobuf/compiler/parser.cc
 google/protobuf/io/printer.cc
@@ -152,6 +153,7 @@ google/protobuf/text_format.cc
 google/protobuf/io/tokenizer.cc
 google/protobuf/unknown_field_set.cc
 google/protobuf/wire_format.cc
+google/protobuf/io/zero_copy_stream_impl.cc
 )
 
 SET(LIBPROTOC_HDRS
@@ -199,7 +201,7 @@ google/protobuf/compiler/zip_writer.cc
 LIST(APPEND LIBPROTOBUF_FULL_SRCS ${LIBPROTOBUF_LITE_SRCS})
 
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
-INCLUDE_DIRECTORIES(${dfhack_SOURCE_DIR}/library/depends/zlib)
+INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
 
 # Protobuf shared libraries
 
@@ -209,13 +211,8 @@ ADD_LIBRARY(protobuf-lite SHARED ${LIBPROTOBUF_LITE_SRCS} ${LIBPROTOBUF_LITE_HDR
 SET_TARGET_PROPERTIES(protobuf PROPERTIES COMPILE_DEFINITIONS LIBPROTOBUF_EXPORTS)
 SET_TARGET_PROPERTIES(protobuf-lite PROPERTIES COMPILE_DEFINITIONS LIBPROTOBUF_EXPORTS)
 
-IF(WIN32)
-    TARGET_LINK_LIBRARIES(protobuf ${CMAKE_THREAD_LIBS_INIT} zlib)
-    TARGET_LINK_LIBRARIES(protobuf-lite ${CMAKE_THREAD_LIBS_INIT} zlib)
-ELSE()
-    TARGET_LINK_LIBRARIES(protobuf ${CMAKE_THREAD_LIBS_INIT} z)
-    TARGET_LINK_LIBRARIES(protobuf-lite ${CMAKE_THREAD_LIBS_INIT} z)
-ENDIF()
+TARGET_LINK_LIBRARIES(protobuf ${CMAKE_THREAD_LIBS_INIT} ${ZLIB_LIBRARIES})
+TARGET_LINK_LIBRARIES(protobuf-lite ${CMAKE_THREAD_LIBS_INIT} ${ZLIB_LIBRARIES})
 
 install(TARGETS protobuf-lite
         LIBRARY DESTINATION ${DFHACK_LIBRARY_DESTINATION}/deplibs
diff --git a/library/depends/protobuf/google/protobuf/repeated_field.h b/library/depends/protobuf/google/protobuf/repeated_field.h
index 6080ddccc..aed4ce9f2 100644
--- a/library/depends/protobuf/google/protobuf/repeated_field.h
+++ b/library/depends/protobuf/google/protobuf/repeated_field.h
@@ -305,7 +305,7 @@ class LIBPROTOBUF_EXPORT StringTypeHandlerBase {
   static void Merge(const string& from, string* to) { *to = from; }
 };
 
-class LIBPROTOBUF_EXPORT StringTypeHandler : public StringTypeHandlerBase {
+class StringTypeHandler : public StringTypeHandlerBase {
  public:
   static int SpaceUsed(const string& value)  {
     return sizeof(value) + StringSpaceUsedExcludingSelf(value);
diff --git a/library/depends/zlib/zconf.h b/library/depends/zlib/include/zconf.h
similarity index 100%
rename from library/depends/zlib/zconf.h
rename to library/depends/zlib/include/zconf.h
diff --git a/library/depends/zlib/zlib.h b/library/depends/zlib/include/zlib.h
similarity index 100%
rename from library/depends/zlib/zlib.h
rename to library/depends/zlib/include/zlib.h
diff --git a/library/depends/zlib/zlib.lib b/library/depends/zlib/lib/zlib.lib
similarity index 100%
rename from library/depends/zlib/zlib.lib
rename to library/depends/zlib/lib/zlib.lib
diff --git a/plugins/df2mc b/plugins/df2mc
index 5199ad9c6..e30ae1501 160000
--- a/plugins/df2mc
+++ b/plugins/df2mc
@@ -1 +1 @@
-Subproject commit 5199ad9c64393ec3007d716d3b6f73ffeb12d1fa
+Subproject commit e30ae15012547b8dfd44f41c66e17be06f608e30