https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120707
--- Comment #5 from Дилян Палаузов <dilyan.palauzov at aegee dot org> --- As far as I see both ./configure invocations above are identical. > What happens if you don't build in the src tree as recommended in the install > documentation? I do not understand the question. How should I build it?