http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51627
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-12-19 22:28:50 UTC --- (In reply to comment #2) > (In reply to comment #0) > > checking for suffix of object files... configure: error: in > > `/home/user/cross-avr-gcc/BUILD/cross-mipsel-gcc-4.6.2/gcc-mipsel/mipsel/libgcc': > > configure: error: cannot compute suffix of object files: cannot compile > > See `config.log' for more details. > > Have you done this? If you look in config.log you'll see this: /home/builduser/cross-avr-gcc/BUILD/cross-mipsel-gcc-4.6.2/gcc-mipsel/./gcc/as: line 87: exec: -E: invalid option So the problem is nothing to do with the prerequisite libraries.