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

Pavan Nikhilesh pbhagavatula at caviumnetworks.com
Mon May 7 14:30:42 CEST 2018


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



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