Re: .machine for Darwin, new cctools required

[Geoffrey Keating <geoffk at apple dot com>]

On 14/10/2004, at 9:37 PM, Stan Shebs wrote:

> 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.
>
> Clunk (and not even a bootstrap).
>
> /Users/sts/s/fsf-gcc/macosx/gcc/xgcc 
> -B/Users/sts/s/fsf-gcc/macosx/gcc/ 
> -B/usr/local/powerpc-apple-darwin7.5.0/bin/ 
> -B/usr/local/powerpc-apple-darwin7.5.0/lib/ -isystem 
> /usr/local/powerpc-apple-darwin7.5.0/include -isystem 
> /usr/local/powerpc-apple-darwin7.5.0/sys-include -DIN_GCC    -W -Wall 
> -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes 
> -Wold-style-definition  -isystem ./include  -I. -I. -I../../gcc/gcc 
> -I../../gcc/gcc/. -I../../gcc/gcc/../include -I./../intl 
> -I../../gcc/gcc/../libcpp/include   \
>  -c ../../gcc/gcc/config/darwin-crt2.c -o crt2.o
> /var/tmp//ccFiCTZQ.s:1:Unknown pseudo-op: .machine
> /var/tmp//ccFiCTZQ.s:1:Rest of line ignored. 1st junk character valued 
> 112 (p).
> make[1]: *** [crt2.o] Error 1
> make: *** [all-gcc] Error 2
>
> So yes, need to update doc/install.texi at least.

Just so I understand what you did, you tried to bootstrap GCC on a 
machine running cctools-528?

My copy of cctools-528 does understand the .machine directive.

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