rpcz cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index decc40c..a3220e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ option(rpcz_build_static "Build static library." OFF)
 option(rpcz_build_examples "Build rpcz's examples." OFF)
 
 find_package(ProtobufPlugin REQUIRED)
-find_package(Boost REQUIRED COMPONENTS thread program_options)
+find_package(Boost REQUIRED COMPONENTS thread program_options system)
 find_package(ZeroMQ REQUIRED)
 
 include_directories(${ZeroMQ_INCLUDE_DIRS})
@@ -21,7 +21,7 @@ include_directories(${PROJECT_BINARY_DIR}/src)
 
 cmake_minimum_required (VERSION 2.8.0)
 set(CMAKE_CXX_FLAGS
-  "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-sign-compare -Wno-unused-parameter")
+  "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-sign-compare -Wno-unused-parameter -std=c++11")
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} -g -Werror")
 set(CMAKE_OSX_ARCHITECTURES x86_64)
 
diff --git a/src/rpcz/CMakeLists.txt b/src/rpcz/CMakeLists.txt
index 55a0c75..fd081d9 100644
--- a/src/rpcz/CMakeLists.txt
+++ b/src/rpcz/CMakeLists.txt
@@ -17,6 +17,7 @@ set(RPCZ_SOURCES
     ${PROTO_SOURCES})
 set(RPCZ_LIB_DEPS ${ZeroMQ_LIBRARIES}
                   ${PROTOBUF_LIBRARY}
+                  ${Boost_SYSTEM_LIBRARIES}
                   ${Boost_THREAD_LIBRARIES})
 
 add_library(rpcz SHARED ${RPCZ_SOURCES})