[SLOF] [PATCH v2] Allow to build SLOF on Little Endian host

Nikunj A Dadhania nikunj at linux.vnet.ibm.com
Fri Oct 9 15:07:34 AEDT 2015


Alexey Kardashevskiy <aik at ozlabs.ru> writes:

> On 10/06/2015 11:45 PM, Dinar valeev wrote:
>> From: Dinar Valeev <dvaleev at suse.com>
>>
>> Don't require cross compiler in order to build SLOF on ppc64le platform.
>> Native compiler is capable to build ELFv1 BE binary. We just need to
>> instruct it how to do it. By adding -mbig and -mabi=elfv1 flags
>>
>> Signed-off-by: Dinar Valeev <dvaleev at suse.com>
>> ---
>>   make.rules | 10 +++++++---
>>   1 file changed, 7 insertions(+), 3 deletions(-)
>>
>> diff --git a/make.rules b/make.rules
>> index aebc4e3..40b48bc 100644
>> --- a/make.rules
>> +++ b/make.rules
>> @@ -19,7 +19,11 @@
>>   ARCH := $(shell uname -p)
>>
>>   # Auto-detect ppc64
>> -ifeq ($(ARCH), ppc64)
>> +ifeq (ppc64,$(findstring ppc64,$(ARCH)))
>> +  ifeq ($(ARCH), ppc64le)
>> +    EXTRA_CC       = -mbig -mabi=elfv1
>> +    EXTRA_LD       = -mbig
>> +  endif
>>   CROSS          = ""
>>   else
>>   CROSS		?= powerpc64-linux-
>
> The patch is ok but if I may, I'd ask to improve it by making CROSS a 
> highest priority, even on ppc64 as this provides an easy way of using 
> different GCC, can you please add this?

You can always over-ride the CROSS using the environment variable with
different GCC.

CROSS=powerpc64-linux-gnu- make qemu

Regards
Nikunj



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