Re: .machine for Darwin, new cctools required

[Stan Shebs <shebs at apple dot com>]

Geoffrey Keating wrote:

> On 14/10/2004, at 3:41 PM, Stan Shebs wrote:
>
> > Geoffrey Keating wrote:
> >
> > > This patch uses the new .machine directive in the Darwin assembler to
> > > say which instruction set is to be used, which lets me get rid of the
> > > workaround using -force_cpusubtype_ALL, and fixes a collection of bugs
> > > of the form 'if I use this combination of flags, the assembler refuses
> > > to assemble GCC's output', some of which were being worked around in
> > > the testsuite.
> > >
> > > This patch requires a further updated cctools to work properly.  You
> > > can get it from
> > > <ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.tar.bz2> in
> > > source form, and an installable package at
> > > <ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg>.
> > Ideally this would all be conditional on cctools version, but
> > failing that, it would be helpful to mention this dependency in
> > the building-from-source docs.
>
>
> It can't be conditional on cctools version without having specs 
> conditional on that version, which seemed like a lot of work for no 
> point (since you already have to upgrade to -528, going -528.5 doesn't 
> seem like it would be any extra burden).
>
> You can build GCC, I think, with the previous cctools.  You just can't 
> use -mcpu= with a non-default setting and no other flags.

I think it'll get indigestion with the .machine directives in
the asm files if nothing else. I've started up a build on my
one non-updated machine, see what happens. :-)

Stan