[Buildroot] [PATCH v2] gcc: coexist upstream with vendor git releases for mb and arc

[Arnout Vandecappelle <arnout@mind.be>]

On 29/01/14 00:34, Spenser Gilliland wrote:
>>   Can you explain this is bit better? I don't see the advantage at the
>> moment...
>
> The advantage of this approach is that as soon as upstream gcc
> supports the microblaze or arc architecture, the only change required
> is to remove depends on !BR2_microblaze or !BR2_arc for that release.

  OK, but then there is no need to do this before upstream gcc does 
support it, right?

>
>>   After this patch, the version is sometimes set in Config.in.host and
>> sometimes in gcc.mk. I really don't like that...
>
> I understand.  See below for a possible fix.  Let me know if you think
> this is better.
>
>>> Signed-off-by: Spenser Gilliland <spenser@gillilanding.com>
>>> ---
>>>    package/gcc/gcc.mk         | 6 ++++--
>>>    1 files changed, 2 insertions(+), 2 deletions(-)
>>>
>>>    config BR2_EXTRA_GCC_CONFIG_OPTIONS
>>> diff --git a/package/gcc/gcc.mk b/package/gcc/gcc.mk
>>> index 236297d..dd99604 100644
>>> --- a/package/gcc/gcc.mk
>>> +++ b/package/gcc/gcc.mk
>>> @@ -19,10 +19,12 @@ ifneq ($(GCC_SNAP_DATE),)
>>>    GCC_SITE = ftp://gcc.gnu.org/pub/gcc/snapshots/$(GCC_SNAP_DATE)/
>>>    else ifeq ($(findstring avr32,$(GCC_VERSION)),avr32)
>>>    GCC_SITE = ftp://www.at91.com/pub/buildroot/
>>> -else ifeq ($(BR2_arc),y)
>>> +else ifeq ($(findstring git,$(GCC_VERSION))$(BR2_arc),gity)
>
> instead of above do something like
>
> -else ifeq ($(BR2_arc),y)
> +else ifeq (BR2_GCC_VERSION_4_8_ARC,y)

  That would be better, yes. Although, now it becomes very obvious that 
the symbol name is wrong, because it's not actually version 4.8...

>
>>>    GCC_SITE = $(call
>>> github,foss-for-synopsys-dwc-arc-processors,gcc,$(GCC_VERSION))
>>>    GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
>>> -else ifeq ($(BR2_microblaze),y)
>>> +else ifeq ($(findstring git,$(GCC_VERSION))$(BR2_microblaze),gity)
>
> and instead of the above possibly
>
> -else ifeq ($(BR2_arc),y)
> +else ifeq (BR2_GCC_VERSION_4_9_MICROBLAZE,y)
>
>>>    GCC_SITE = $(call github,Xilinx,gcc,$(GCC_VERSION))
>>>    GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
>>>    else
>
> Also, updating the AVR32 code to work in the same manner would probably be best.

  But there will never be an upstream avr32...


  Regards,
  Arnout

>
> Thanks,
> Spenser
>


-- 
Arnout Vandecappelle                          arnout at mind be
Senior Embedded Software Architect            +32-16-286500
Essensium/Mind                                http://www.mind.be
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