I've committed as obvious this patch to fix a build failure this introduced for targets not defining EXTRA_SPECS, in which case extra_specs is not declared. (nvptx-none was the target for which I came across such a failure.)
2015-08-25 Joseph Myers <jos...@codesourcery.com> * gcc.c (driver::finalize): Only assign to extra_specs if [EXTRA_SPECS]. Index: gcc.c =================================================================== --- gcc.c (revision 227191) +++ gcc.c (working copy) @@ -9813,7 +9813,9 @@ driver::finalize () } *(sl->ptr_spec) = sl->default_ptr; } +#ifdef EXTRA_SPECS extra_specs = NULL; +#endif processing_spec_function = 0; -- Joseph S. Myers jos...@codesourcery.com