On Mon, 01 May 2017 03:54:49 PDT (-0700), jos...@codesourcery.com wrote: > On Mon, 1 May 2017, Palmer Dabbelt wrote: > >> > Specifically, in such cases the GCC configure option is >> > --enable-target=all to enable 64-bit multilibs for a default-32-bit >> > target, and the binutils/GDB configure option is --enable-64-bit-bfd. But >> > you can also make a binutils/GDB target include 64-bit support >> > unconditionally without requiring --enable-64-bit-bfd. >> >> Do you happen to know how to do that (enable 64-bit BFDs in a 32-bit binutils >> build)? I'd prefer to have the riscv32 and riscv64 ports the same if >> possible, >> but poked around a bit and couldn't find a way to do it. > > Well, certainly you should add riscv_elf64_vec to targ_selvecs in > config.bfd for the riscv32-*-* case. Generally, check all the configure > fragments used for riscv* to make sure they include both 32-bit and 64-bit > support.
Thanks, I think that was all I was missing. I've submitted a binutils patch, so let's consider this matter closed in GCC land.
