diff -up ./CMakeLists.txt.dt ./CMakeLists.txt
--- ./CMakeLists.txt.dt	2018-02-14 15:33:46.376657320 +0100
+++ ./CMakeLists.txt	2018-02-14 15:33:51.173615948 +0100
@@ -15,7 +15,7 @@ if( POLICY CMP0063 )
   cmake_policy(SET CMP0063 NEW)
 endif()
 project(GDCM)
-set(CMAKE_CXX_STANDARD 98)
+set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_EXTENSIONS OFF)
 mark_as_advanced(CMAKE_BACKWARDS_COMPATIBILITY CMAKE_BUILD_TYPE CMAKE_INSTALL_PREFIX)
 set(GDCM_CMAKE_DIR "${GDCM_SOURCE_DIR}/CMake" CACHE INTERNAL "")