 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 85cd403..ac9f970 100644
+index 2c8880a..ea1432a 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -9,12 +9,13 @@ endif()
+@@ -9,13 +9,14 @@ endif()
  set(CXX_FLAGS
   -g
   # -DVALGRIND
 - # -DMUDUO_STD_STRING
 + -DMUDUO_STD_STRING
+  -D_FILE_OFFSET_BITS=64
   -Wall
   -Wextra
 - -Werror

 set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
 set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
 
@@ -44,6 +47,8 @@ find_path(CARES_INCLUDE_DIR ares.h)
 find_library(CARES_LIBRARY NAMES cares)
 
 include_directories(${Boost_INCLUDE_DIRS})
+include_directories(/usr/lib/gcc/x86_64-linux-gnu/4.4/include/)

  -Wold-style-cast
  -Woverloaded-virtual
  -Wpointer-arith
@@ -24,17 +25,19 @@ set(CXX_FLAGS
  -march=native
  # -MMD
  # -std=c++0x
