gnu toolchain: x64 host executables

[Jonathan Wakely]

On 26 May 2016 at 07:32,  <fedor_qd@mail.ru> wrote:
> Is it possible to build gnu toolchain(gcc, binutils and gdb) itself as x64 executables? If possible:

Yes, of course.

> 1. Which OS sypports?

It's the default for 64-bit GNU/Linux. I think 64-bit Solaris builds
32-bit executables by default.

> 2. Is crosscompilers supported?

Yes, of course.

> 3. Benefits from that?