Re: [Buildroot] [PATCH] package/gcc: restrict hs4x_rel31 to arc gcc fork

[Romain Naour <romain.naour@gmail.com>]

Hello Yann,

Le 16/05/2022 à 23:44, Yann E. MORIN a écrit :
> On 2022-05-15 21:36 +0200, Romain Naour spake thusly:
>> ARC hs4x_rel31 cpu is not supported by upstream gcc version.
>> Only the generic HS48 processor (BR2_archs4x) is supported
>> by upstream gcc.
>>
>> Fixes:
>> http://autobuild.buildroot.net/results/357a74d53af96d4b868a9d5b9f9ce9432e0c53b5
>> http://autobuild.buildroot.net/results/bcdf160a3d5ffcccd4402f65aca153faca4b32c2
>>
>> Signed-off-by: Romain Naour <romain.naour@gmail.com>
>> Cc: ARC Maintainers <arc-buildroot@synopsys.com>
>> ---
>>  package/gcc/Config.in.host | 6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host
>> index f6b9b4fa9d..2b12035c4b 100644
>> --- a/package/gcc/Config.in.host
>> +++ b/package/gcc/Config.in.host
>> @@ -31,6 +31,8 @@ config BR2_GCC_VERSION_9_X
>>  	# upstream gcc. C-SKY gcc upstream support not tested
>>  	# with upstream binutils and glibc.
>>  	depends on !BR2_csky
>> +	# ARC HS48 rel 31 only supported by gcc arc fork.
>> +	depends on !BR2_archs4x_rel31
> 
> So, in the commit log, you say that BR2_archs4x is the only variant
> supported by upstream gcc, yet this change still allows all the hs38
> and the 7x0d variants to use the upstream gcc.

I'm only speaking about ARC hs48, not other ARC variant.

> 
> Did I misread the commit log, and you really meant:
> 
>     Of the hs48 series, only the generic HS48 processor (BR2_archs4x) is
>     supported by upstream gcc, while the hs48 rel31 (hs4x_rel31) is not,
>     and is only suppoerted by the ARC fork.
> 
>     All the other variants, 7x0d and hs38, are all supported in upstream
>     gcc.>
> Thoughts?

hs4x_rel31 seems the only one not supported by upstream gcc.

Best regards,
Romain


> 
> Regards,
> Yann E. MORIN.
> 
>>  	select BR2_TOOLCHAIN_GCC_AT_LEAST_9
>>  
>>  config BR2_GCC_VERSION_10_X
>> @@ -43,6 +45,8 @@ config BR2_GCC_VERSION_10_X
>>  	# upstream gcc. C-SKY gcc upstream support not tested
>>  	# with upstream binutils and glibc.
>>  	depends on !BR2_csky
>> +	# ARC HS48 rel 31 only supported by gcc arc fork.
>> +	depends on !BR2_archs4x_rel31
>>  	select BR2_TOOLCHAIN_GCC_AT_LEAST_10
>>  
>>  config BR2_GCC_VERSION_11_X
>> @@ -54,6 +58,8 @@ config BR2_GCC_VERSION_11_X
>>  	# that need to be reverted since gcc 8.4, 9.3 and 10.1.
>>  	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98784
>>  	depends on !BR2_sparc
>> +	# ARC HS48 rel 31 only supported by gcc arc fork.
>> +	depends on !BR2_archs4x_rel31
>>  	select BR2_TOOLCHAIN_GCC_AT_LEAST_11
>>  
>>  endchoice
>> -- 
>> 2.35.3
>>
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> 

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