This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: 4.3 build failure in driver-i386.c
"Richard Guenther" <richard.guenther@gmail.com> writes:
> On Feb 17, 2008 10:54 AM, Andreas Schwab <schwab@suse.de> wrote:
>> "Richard Guenther" <richard.guenther@gmail.com> writes:
>>
>> > I see the use of cpuid.h is wrapped inside #ifdef __GNUC__, so the issue is only
>> > using old GCC as the host compiler (I checked 2.95 which chokes on the asm).
>> > Can we change this guard to only allow GCC >= 3.3 which would also fix this?
>>
>> Won't those host dependent parameters cause bootstrap comparison
>> failures? If the stage1 compiler doesn't use the same detection
>> routines as the stage2 compiler then the stage2 compiler is compiled
>> with different options than the stage3 compiler.
>
> If you bootstrap with BOOT_CFLAGS="-march=native" yes, otherwise no.
Ok, I knew I was missing something. :-)
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."