https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79433
Eric Gallager <egall at gwmail dot gwu.edu> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |egall at gwmail dot gwu.edu --- Comment #6 from Eric Gallager <egall at gwmail dot gwu.edu> --- (In reply to Marc Mutz from comment #5) > Andrew, you're taking the easy way out. It might be that it works as > implemented, but that behaviour is useless. > > Please explain how one should detect, in a portable way, whether string_view > and experimental::string_view is available, if not by headers check. Do an autoconf test for it, AC_CHECK_HEADERS tests whether including the header actually compiles.