FWIW, I ran into this error today as well. I did some brief bisection to try to narrow down the source; it looks like it broke in r181378:
181736 - undefined reference to c_addr_space_name 181523 - undefined reference to c_addr_space_name 181440 - undefined reference to c_addr_space_name 181395 - undefined reference to c_addr_space_name 181383 - undefined reference to c_addr_space_name 181378 - undefined reference to c_addr_space_name 181377 - compiles 181375 - compiles I'm configuring with --disable-libquadmath --disable-nls --target=avr --program-prefix=avr- --enable-languages=c,lto . -- Wim Lewis <w...@hhhh.org>, Seattle, WA, USA. PGP keyID 27F772C1
