RELENG_8 does not build with CPUTYPE=core2

[Scott Allendorf]

I had discovered this method of working around the fatal error, but the 
question remains:  Should buildworld ever use the base compiler once the 
bootstrap compiler is built?  Much of buildworld had already completed 
with "-march=core2" being fed to the bootstrap compiler by the time this 
error occurs.

-Scott

Oliver Pinter wrote:
> in two step you can elliminate the warning message:
> 1) compile and install world and kernel with commented CPUTYPE in make.conf
> 2) uncomment the CPUTYPE line, and recompile world and kernel
> 
> the problem is, the build system based on newer (4.2.2) gcc, and when
> you set CPUTYPE=core2 than substitute -march=core2 in gcc parameter
> list, but older base system cc (4.2.1) do not knows this option or
> value.
> 
> On 5/14/11, Dominic Fandrey <kamikaze at bsdforen.de> wrote:
>> On 14/05/2011 02:38, Scott Allendorf wrote:
>>> Dominic Fandrey wrote:
>>>> env CCACHE_PREFIX=/usr/local/bin/distcc /usr/local/bin/ccache cc -O2
>>>> -pipe -march=core2 -DHAVE_CONFIG_H
>>>> -I/usr/src/kerberos5/tools/make-roken/../../include -std=gnu99   -c
>>>> make-roken.c
>>>> /usr/src/kerberos5/tools/make-print-version/../../../crypto/heimdal/lib/vers/make-print-version.c:1:
>>>> error: bad value (core2) for -march= switch
>>>> /usr/src/kerberos5/tools/make-print-version/../../../crypto/heimdal/lib/vers/make-print-version.c:1:
>>>> error: bad value (core2) for -mtune= switch
>>>> make-roken.c:1: error: bad value (core2) for -march= switch
>>>> make-roken.c:1: error: bad value (core2) for -mtune= switch
>>>> distcc[44991] ERROR: compile make-roken.c on localhost failed
>>>> *** Error code 1
>>>> ...
>>> I saw this too when updating systems across the compiler update.  As
>>> near as I can tell, some part of the build is not using the new
>>> "core2"-aware compiler built as part of the toolchain and is using the
>>> older, installed version instead.
>>>
>>> Commenting out the CPUTYPE definition allowed my buildworlds to complete
>>> successfully. ...
>> Thanks for the workaround!
>>
>> It still worries me, that there's a bug in the bootstrapping. You
>> never know what kind of trouble comes from that kind of thing.
>>
>> I hope this is going to be fixed.
>>
>> Regards
>>
>>
>> --
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-- 
Scott C. Allendorf                     Email:  scott-allendorf at uiowa.edu
Senior Systems Administrator           Office:       216A Van Allen Hall
Department of Physics and Astronomy    Voice:             (319) 335-0003
The University of Iowa                 FAX:               (319) 335-1753
Iowa City, Iowa  52242-1479            ICBM:  41 39 43.6 N  91 31 55.1 W
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