m32r-linux add-on ports of glibc

[Kazuhiro Inaoka]

> If the comment is correct that dynamic linking doesn't work, then don't
> provide bogus code.  You can just omit the code and require that people
> build with --disable-shared.
Excuse me.
Would you tell me where is the wrong comment?
I could not notice about it.

> You really don't want to be possibly setting errno in all those
> linuxthreads internals functions.  You should use INTERNAL_SYSCALL instead
> of INLINE_SYSCALL in those places.
Yes.

> The sysdeps/unix/sysv/linux/m32r/Versions file doesn't make any sense to me.
> There is no point starting a GLIBC_2.2 version there when you have the
> minimum set to GLIBC_2.3 by shlib-versions.  There is no reason you need to
> replicate any existing functions there.  If you really must add `cachectl'
> and the like, they should be in a GLIBC_2.3 or later set.
We have developed linux/m32r with glibc-2.2.3 at the first.
I will change it.

Thanks,

Kazuhiro Inaoka