--- CMakeLists.txt.orig 2017-09-20 21:09:28.000000000 -0700 +++ CMakeLists.txt 2017-09-20 21:09:43.000000000 -0700 @@ -35,7 +35,7 @@ pkg_search_module(PNG REQUIRED libpng) pkg_search_module(JSONCPP REQUIRED jsoncpp) -set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1y") +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++14") if(WARNINGS) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wall -Wextra -Wnon-virtual-dtor -Weffc++")