[OE-core] [bugfix 1/1] mesa-xlib: workaround gcc 4.6.0 ICE

[Khem Raj]

On Thu, May 26, 2011 at 4:33 PM, Richard Purdie
<richard.purdie at linuxfoundation.org> wrote:
> On Thu, 2011-05-26 at 13:41 -0700, nitin.a.kamble at intel.com wrote:
>
>> ---
>>  meta/recipes-graphics/mesa/mesa-xlib_7.10.2.bb |    3 +++
>>  1 files changed, 3 insertions(+), 0 deletions(-)
>>
>> diff --git a/meta/recipes-graphics/mesa/mesa-xlib_7.10.2.bb b/meta/recipes-graphics/mesa/mesa-xlib_7.10.2.bb
>> index b77df2c..051bd72 100644
>> --- a/meta/recipes-graphics/mesa/mesa-xlib_7.10.2.bb
>> +++ b/meta/recipes-graphics/mesa/mesa-xlib_7.10.2.bb
>> @@ -17,3 +17,6 @@ PE = "1"
>>  PR = "r0"
>>
>>  EXTRA_OECONF += "--with-driver=xlib"
>> +
>> +# nullify -O2
>> +CFLAGS_append += " -O"
>
> I talked about this on IRC but simply put, no way.
>
> The problem is:
>
> a) Arm specific
> b) determined now to be armv7 specific
> c) gcc version specific
>
> and the fix should reflect this.
>
> So ideally when we select gcc 4.6 in tcmode-default.inc we should add
> something there which adds a work around for mesa-xlib.
>
> I've suggested something like:
>
> TARGET_CC_ARCH_arm_pn-mesa-xlib := "${@'${TARGET_CC_ARCH}'.replace('armv7','armv5')}"
>
> which whilst ugly, should do what we need it to.
>

I agree with this solution however ugly it may look like. We may
document it to explain
the ugliness

> Cheers,
>
> Richard
>
>
>
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