Re: .machine for Darwin, new cctools required

[Stan Shebs <shebs@apple.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.

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.

Stan