> Yes. And it shouldn't be just based on target CPU, but also based > on target OS, I don't think libsanitizer supports anything but linux (glibc > + maybe android) right now, with some smaller or bigger tweaks it could > support darwin (but see the reports that it doesn't build there right now) > ...
Importing the missing files allows the bootstrap to complete. However I did not manage so far to make it working on darwin10: see http://gcc.gnu.org/ml/gcc-bugs/2012-11/msg01145.html . I don't think disabling libsanitizer is an emergency for darwin. Cheers, Dominique