[dpdk-stable] [EXT] [PATCH 1/6] meson: disable octeontx for buggy compilers on arm64

[Yongseok Koh]

> On Apr 12, 2019, at 10:52 PM, Pavan Nikhilesh Bhagavatula <pbhagavatula at marvell.com> wrote:
> 
> Hi Yongseok,
> 
>> ----------------------------------------------------------------------
>> Disable octeontx for gcc 4.8.5 as compiler is emitting "internal compiler error"
>> for aarch64
>> 
>> Fixes: bd77f2d64c44 ("event/octeontx: build with meson")
>> Fixes: 4f760550a093 ("mk: disable OcteonTx for buggy compilers")
>> Fixes: f3af3e44a444 ("mk: disable OcteonTx for buggy compilers only on
>> arm64")
>> Cc: pbhagavatula at marvell.com
>> Cc: jerinj at marvell.com
>> Cc: stable at dpdk.org
>> 
>> Signed-off-by: Yongseok Koh <yskoh at mellanox.com>
>> ---
>> drivers/event/meson.build | 6 +++++-
>> 1 file changed, 5 insertions(+), 1 deletion(-)
>> 
>> diff --git a/drivers/event/meson.build b/drivers/event/meson.build index
>> 836ecbb74b..d364871d15 100644
>> --- a/drivers/event/meson.build
>> +++ b/drivers/event/meson.build
>> @@ -1,7 +1,11 @@
>> # SPDX-License-Identifier: BSD-3-Clause  # Copyright(c) 2017 Intel Corporation
>> 
>> -drivers = ['dpaa', 'dpaa2', 'octeontx', 'opdl', 'skeleton', 'sw', 'dsw']
>> +drivers = ['dpaa', 'dpaa2', 'opdl', 'skeleton', 'sw', 'dsw'] if
>> +(toolchain == 'gcc' and cc.version().version_compare('>=4.8.6') and
>> +    dpdk_conf.has('RTE_ARCH_ARM64'))
> 
> Can we make this similar to MAKEFILE[1] case where octeontx is enabled for everycase except when 
> We are compiling for ARCH_ARM64 is set and compiler is less than < 4.8.6?.
> The reason being we want x86 CI to run (compilation part) to find any errors.
> 
> [1]
> '
> ifeq ($(CONFIG_RTE_ARCH), arm64)
>        ifeq ($(shell test $(GCC_VERSION)$(GCC_PATCHLEVEL) -lt 486 && echo 1), 1)
>                CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF=d
>                CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL=d
>                CONFIG_RTE_LIBRTE_OCTEONTX_PMD=d
>        endif
>        endif
> '

OMG, I was very wrong about the patch. That was Friday and I was moving fast. :-)
Will fix it in v2.

thanks,
Yongseok

> 
>> +	drivers += 'octeontx'
>> +endif
>> std_deps = ['eventdev', 'kvargs']
>> config_flag_fmt = 'RTE_LIBRTE_ at 0@_EVENTDEV_PMD'
>> driver_name_fmt = 'rte_pmd_ at 0@_event'
>> --
>> 2.21.0.196.g041f5ea