[PATCH, alpha] Move linux-specific specfile definitions to linux.h

[coypu@sdf.org]

On Fri, Oct 13, 2017 at 11:13:52AM -0600, Jeff Law wrote:
> So we can't depend on patches that OpenBSD applies.  What's important is
> what is in the official GCC sources.
> 
> I'd like to see some discussion about what these macros should look like
> for the *bsd ports.  Merely removing them from elf.h without providing
> something for the *bsd ports seems wrong to me.

Hi Jeff,

OpenBSD has no crt1.o, crtn.o, and crtfastmath.o Linking to those
would fail.  As testimony: they are overriding it locally.

And journalists may say, "OpenBSD has declined to comment on this patch".