I don't think so. This appears in config.log: ../../trunk/configure --prefix=/Develop/sergei/vanilla I also have to mention that the error occurs on the same machine as this error: <http://gcc.gnu.org/ml/gcc-help/2009-03/msg00162.html> Sergei "John (Eljay) Love-Jensen" <eljay@xxxxxxxxx> wrote on 19/03/2009 16:23:36: > It appears you are either running configure in the SAME directory as > the GCC source (./configure), or in a SUBDIRECTORY of the GCC source > (../configure). > > As documented <http://gcc.gnu.org/install/configure.html>, neither > is supported. > > If you get either to work, that would be interesting. I've never > been able to get either to work. > > The above may-or-may-not be relevant to the specific problem you encountered.