[oe] cortex-a9 machine build failure at gcc

[Khem Raj]

> | *cc1: error: bad value (cortex-a9) for -mtune= switch
> *| /bin/sh
> /home/raghu/opendistro/build/tmp/work/armv7a-angstrom-linux-gnueabi/gcc-cross-initial-4.3.3-r7.1/gcc-4.3.3/gcc/../move-if-change
> tmp-macro_list macro_list
> ************

above message indicates that the gcc version you chose does not
support cortex-a9

> I have removed gcc specific variables from my local.conf, so they must be
> getting picked up from the distro conf file.
>
> Is cortex-a9 not yet supported by the default Angstrom toolchain or am i
> missing something ?

try using gcc 4.4 if you want gcc to tune for cortext-a9

>
> --RK
>
>
> On Mon, Nov 23, 2009 at 1:42 PM, Koen Kooi <k.kooi at student.utwente.nl>wrote:
>
>> On 23-11-09 07:14, RK Raggit wrote:
>>
>>> Hi,
>>>
>>> I am adding support for a cortex-a9 based machine but the build fails at
>>> gcc
>>> with this error -
>>>
>>> ****************
>>> |
>>>
>>> /home/work/armv7a-angstrom-linux-gnueabi/gcc-cross-initial-4.2.4-r9.1/gcc-4.2.4/gcc/crtstuff.c:1:
>>> error: bad value (cortex-a9) for -mtune= switch
>>>
>>
>> Gcc 4.2.4 doesn't support armv7
>>
>>
>>
>> gcc variables in my local.conf read thus -
>>>
>>> PREFERRED_VERSION_gcc                    = "4.2.4"
>>> PREFERRED_VERSION_gcc-cross              = "csl-arm-2008q1"
>>> PREFERRED_VERSION_gcc-cross-initial      = "csl-arm-2008q1"
>>> PREFERRED_VERSION_gcc-cross-intermediate = "csl-arm-2008q1"
>>>
>>
>> Don't use CSL toolchains, they are waaaay to broken, especially 2008qX:
>> http://hardwarebug.org/2008/11/28/codesourcery-fails-again/
>> Stick with the default toolchain angstrom is using, it is tested on real
>> hardware (CS only tests inside qemu) and is know to work well
>>
>> regards,
>>
>> Koen
>>
>>
>>
>> _______________________________________________
>> Openembedded-devel mailing list
>> Openembedded-devel at lists.openembedded.org
>> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
>>
> _______________________________________________
> Openembedded-devel mailing list
> Openembedded-devel at lists.openembedded.org
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
>