[meta-xilinx] [PATCH] tune-microblaze: Pin toolchain version to 4.8.4

[Manjukumar Harthikote Matha]

We are working on the GCC fix. Since we cannot have broken microblaze 
recipe, this is a temporary patch till the fix is available upstream

Thanks
Manju

On 11/04/2015 03:47 PM, Nathan Rossi wrote:
> On Thu, Nov 5, 2015 at 8:07 AM, Manjukumar Matha
> <manjukumar.harthikote-matha at xilinx.com> wrote:
>> This is because the GCCv5.2 toolchain currently breaks microblaze kernel
>> builds. This change is temporary until a GCC fix is available.
>
> I don't like this as it assumes a broken gcc 5.2 is acceptable, it was
> somewhat ok to do for GDB since upstream GDB barely even supports
> MicroBlaze (as there are a pile of patches to gdb 7.7.1). The bug you
> are referring to currently only affects the kernel and there are work
> arounds such as disabling size optimization, etc.
>
> I have a reproducible standalone test case for this issue and plan to
> resolve it for the jethro branch. This needs to be fixed sooner rather
> than later so that the fix can make it into the next GCC version or a
> point release so that the issue doesn't stick around for long.
>
> Regards,
> Nathan
>
>>
>> Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha at xilinx.com>
>> ---
>>   conf/machine/include/tune-microblaze.inc | 3 +++
>>   1 file changed, 3 insertions(+)
>>
>> diff --git a/conf/machine/include/tune-microblaze.inc b/conf/machine/include/tune-microblaze.inc
>> index a5b6109..1de77d7 100644
>> --- a/conf/machine/include/tune-microblaze.inc
>> +++ b/conf/machine/include/tune-microblaze.inc
>> @@ -25,3 +25,6 @@ PREFERRED_VERSION_gdb ?= "7.7.1"
>>   PREFERRED_VERSION_gdb-cross ?= "7.7.1"
>>   PREFERRED_VERSION_gdb-cross-canadian ?= "7.7.1"
>>
>> +# pin toolchain version to 4.8.4, since 5.2 breaks linux builds
>> +GCCVERSION = "4.8.4"
>> +SDKGCCVERSION = "4.8.4"
>> --
>> 2.1.4
>>
>> --
>> _______________________________________________
>> meta-xilinx mailing list
>> meta-xilinx at yoctoproject.org
>> https://lists.yoctoproject.org/listinfo/meta-xilinx