On Thu, 25 Jan 2024 at 13:42, Damas Joao CHST <Joao.Damas@xxxxxxxxxxxx> wrote: > > > > Hi Johathan, > > Thank you very much for your kind answer. > > When building, I am doing it in a new directory, and calling configure and make from it, as recommended in the documentation. > > The only flags I'm passing during configure is prefix and disable-multilib. The rest I am keeping as default. For make, I am passing no flags except -j. That -std=c++17 has to be coming from somewhere though. Try 'env grep std=c' to see if you're setting it via the environment.