[dpdk-dev] [PATCH] driver/octeontx: disable PMD for buggy compilers

[Ali Alnubani]

Tested-by: Ali Alnubani <alialnu at mellanox.com>

> -----Original Message-----
> From: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
> Sent: Monday, May 7, 2018 3:31 PM
> To: jerin.jacob at caviumnetworks.com;
> santosh.shukla at caviumnetworks.com; ferruh.yigit at intel.com; Shahaf
> Shuler <shahafs at mellanox.com>; Ali Alnubani <alialnu at mellanox.com>
> Cc: dev at dpdk.org; Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
> Subject: [dpdk-dev] [PATCH] driver/octeontx: disable PMD for buggy
> compilers
> 
> Disable octeontx for gcc 4.8.5 as compiler is emitting "internal compiler error"
> for aarch64.
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
> ---
>  mk/toolchain/gcc/rte.toolchain-compat.mk | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/mk/toolchain/gcc/rte.toolchain-compat.mk
> b/mk/toolchain/gcc/rte.toolchain-compat.mk
> index 9f17131f9..0f2b0ff0a 100644
> --- a/mk/toolchain/gcc/rte.toolchain-compat.mk
> +++ b/mk/toolchain/gcc/rte.toolchain-compat.mk
> @@ -12,6 +12,7 @@
> 
>  GCC_MAJOR = $(shell echo __GNUC__ | $(CC) -E -x c - | tail -n 1)
> GCC_MINOR = $(shell echo __GNUC_MINOR__ | $(CC) -E -x c - | tail -n 1)
> +GCC_PATCHLEVEL = $(shell echo __GNUC_PATCHLEVEL__ | $(CC) -E -x c - |
> +tail -n 1)
>  GCC_VERSION = $(GCC_MAJOR)$(GCC_MINOR)
> 
>  # if GCC is older than 4.x
> @@ -73,4 +74,11 @@ else
>  		CONFIG_RTE_LIBRTE_PMD_OPDL_EVENTDEV=d
>  	endif
> 
> +	# Disable octeontx event PMD for gcc < 4.8.6
> +	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
> --
> 2.17.0