https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70519
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Jason Vas Dias from comment #9) > (In reply to Jakub Jelinek from comment #8) > > Where do you see -nostdlib being used? I see it neither in your #c0, nor in > > #c1. > > Looking at my buildlog, -nostdlib is used to link only some libraries, like > > libstdc++.so.6 itself, or libvtv, libsanitizer libraries, > > libcc1/libcc1plugin, libcilkrts, libgcj, libgcj_bc, libgij, libjvm, > > libgcj-tools, but certainly not when linking build/*, or gcov, or cc1, ... > > Yes, sorry, -nostdlib is not being used explicitly - but we seem to be > getting the same effect with xg++ . Only you seem to be getting that effect, for everybody else it works just fine. So the question is why it doesn't work for you.