--- CMakeLists.txt.orig 2019-03-04 04:28:25.000000000 -0700 +++ CMakeLists.txt 2019-07-24 05:59:23.000000000 -0700 @@ -18,7 +18,7 @@ cmake_policy(SET CMP0074 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 "")