diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3db7c86..c8da424 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -304,6 +304,31 @@ ELSE()
   ENDIF()
 ENDIF()
 
+IF(APPLE)
+  # As of 10.10 yosemite, the OpenSSL static libraries shipped with os x have a dependency
+  # on zlib, so any time you link in openssl you also need to link zlib.  .  We really want to detect whether openssl was configured with the --no-zlib
+  # option or not when it was built, but that's difficult to do in practice, so we
+  # just always try to link it in on mac.
+  find_package( ZLIB REQUIRED )
+ELSE(APPLE)
+  find_package( ZLIB )
+ENDIF(APPLE)
+
+if( ZLIB_FOUND )
+  MESSAGE( STATUS "zlib found" )
+  add_definitions( -DHAS_ZLIB )
+else()
+  MESSAGE( STATUS "zlib not found" )
+endif( ZLIB_FOUND )
+
+find_package( BZip2 )
+if( BZIP2_FOUND )
+   MESSAGE( STATUS "bzip2 found" )
+   add_definitions( -DHAS_BZIP2 )
+else()
+   MESSAGE( STATUS "bzip2 not found" )
+endif( BZIP2_FOUND )
+
 # This will become unnecessary once we update to websocketpp which fixes upstream issue #395
 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DWEBSOCKETPP_STRICT_MASKING")
 
@@ -324,11 +349,11 @@ target_include_directories(fc
     ${CMAKE_CURRENT_SOURCE_DIR}/vendor/secp256k1-zkp
   )
 
-#target_link_libraries( fc PUBLIC udt ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES} ${ZLIB_LIBRARIES} ${PLATFORM_SPECIFIC_LIBS} ${RPCRT4} ${CMAKE_DL_LIBS} ${rt_library} ${ECC_LIB} )
+#target_link_libraries( fc PUBLIC udt ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES} ${ZLIB_LIBRARIES} ${BZIP2_LIBRARIES} ${PLATFORM_SPECIFIC_LIBS} ${RPCRT4} ${CMAKE_DL_LIBS} ${rt_library} ${ECC_LIB} )
 IF(NOT WIN32)
   set(LINK_USR_LOCAL_LIB -L/usr/local/lib)
 ENDIF()
-target_link_libraries( fc PUBLIC ${LINK_USR_LOCAL_LIB} udt ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES} ${ZLIB_LIBRARIES} ${PLATFORM_SPECIFIC_LIBS} ${RPCRT4} ${CMAKE_DL_LIBS} ${rt_library} ${readline_libraries} ${ECC_LIB} )
+target_link_libraries( fc PUBLIC ${LINK_USR_LOCAL_LIB} udt ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES} ${ZLIB_LIBRARIES} ${BZIP2_LIBRARIES} ${PLATFORM_SPECIFIC_LIBS} ${RPCRT4} ${CMAKE_DL_LIBS} ${rt_library} ${readline_libraries} ${ECC_LIB} )
 
 if(MSVC)
   set_source_files_properties( src/network/http/websocket.cpp PROPERTIES COMPILE_FLAGS "/bigobj" )
@@ -493,14 +518,6 @@ if(WIN32)
 
 endif(WIN32)
 
-IF(APPLE)
-  # As of 10.10 yosemite, the OpenSSL static libraries shipped with os x have a dependency
-  # on zlib, so any time you link in openssl you also need to link zlib.  .  We really want to detect whether openssl was configured with the --no-zlib
-  # option or not when it was built, but that's difficult to do in practice, so we
-  # just always try to link it in on mac.
-  find_package( ZLIB REQUIRED )
-ENDIF(APPLE)
-
 SET(OPENSSL_CONF_TARGET )
 IF(DEFINED CMAKE_RUNTIME_OUTPUT_DIRECTORY)
   SET (OPENSSL_CONF_TARGET ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})