diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6202498..649659c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -432,6 +432,8 @@ ENDIF()
 #
 # Also, set some other default compiler flags.
 ##
+SET(CMAKE_CXX_STANDARD 11)
+SET(CMAKE_CXX_STANDARD_REQUIRED TRUE)
 
 IF(CMAKE_COMPILER_IS_GNUCC OR APPLE)
   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-unused-variable -Wno-unused-parameter")
diff --git a/configure.ac b/configure.ac
index 31d49b5..e9f75b4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -175,6 +175,9 @@ AC_FUNC_MALLOC
 # Check to see if any macros must be set to enable large (>2GB) files.
 AC_SYS_LARGEFILE
 
+# Set the CXXFLAGSS
+CXXFLAGS="$CXXFLAGS --std=c++11"
+
 # User supplied nc-config
 AC_ARG_WITH([nc-config],
     [AS_HELP_STRING([--with-nc-config=DIR],