gcc receipe and architecture comment

[Dagobert Michelsen]

Hi,

> Am 18.03.2015 um 10:29 schrieb Maciej Bliziński <maciej at opencsw.org>:
> 
> On Wed, Mar 18, 2015 at 10:06:07AM +0100, Dagobert Michelsen wrote:
>>> Am 18.03.2015 um 08:55 schrieb Riccardo Mottola <rmottola at opencsw.org>:
>>> 
>>> in the gcc receipe, which would be the last version that is supposed to run on solaris 9, I find this:
>>> 
>>> # We're not building GCC-4.7 on Solaris 9, because GCC-4.7 requires the
>>> # sparcv8+ architecture.
>>> # PACKAGING_PLATFORMS = solaris9-sparc solaris9-i386
>>> PACKAGING_PLATFORMS += solaris10-sparc solaris10-i386
>>> 
>>> Why is v8+ a problem? I understand we support UltraSPARC only anyway, be it 32 or 64 bit.
>>> I actually think to remember that the last operating system running on the "classic" SPARCs, is Solaris 8.
>> 
>> Nope, the minimum CPU level for Solaris 9 was sparcv8 whereas gcc 4.7 required sparcv8+
>> That does not mean you couldn’t just build with sparcv8+ and release for Solaris 9 as
>> it would work on any platform past stonehenge.
> 
> Right, it was the default setting in GAR for 5.9: to build sparcv8
> binaries. There was a time your packages would be rejected if you built
> binaries for sparcv8+.  This policy is now gone, and you can build and
> release sparcv8+ binaries.
> 
> We had a similar rule to build for 386, where 386 didn't stand for just
> Intel processors, it actually meant the 386 processor, as opposed to the
> newer 486.

I just looked and we raised the automatic buildlevel for Solaris 10 only:
  https://buildfarm.opencsw.org/trac/changeset/15907

If you build gcc for Solaris 9 you need to manually raise the buildlevel.


Best regards

  — Dago


-- 
"You don't become great by trying to be great, you become great by wanting to do something,
and then doing it so hard that you become great in the process." - xkcd #896

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