Hi I'm using ubuntu 20.04 and his default gcc version (9.3.0), with standard C++14 as default. I have to compile from source a lot of scientific toolkits, all made with C++11. After a lot of research I was not able to find a way to select the default standard of g++/gcc, so cmake/make take by default the wrong standard and I get always crashs. There is really no intrensec way to select the default standard used ? cmake projects sometimes add an option to select the standard for compilation but unfortunetly not all projects Regards Mehdi
