Paolo Carlini wrote: >> What is going on here? > > Normally, we (libstdc++ people) just use 'autoreconf', and it works just fine. Does it work for you? OK, autoreconf works, even if it is insanely slow on mingw32. :) It did however add: +LIBOBJDIR = to all Makefile.in's within libstdc++-v3/. I assume this is not a big deal.