[dpdk-dev] [PATCH] net/octeontx: disable PMD for old compilers

[Pavan Nikhilesh]

Disable for clang < 4.0 as it doesn't support the following
arm machine directives:

.cpu

This also disables event octeontx as it depends on net octeontx.

Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
---
 drivers/event/Makefile                     | 4 ++++
 drivers/net/Makefile                       | 3 +++
 mk/toolchain/clang/rte.toolchain-compat.mk | 5 +++++
 3 files changed, 12 insertions(+)

diff --git a/drivers/event/Makefile b/drivers/event/Makefile
index c3d89a151..2bb0464f4 100644
--- a/drivers/event/Makefile
+++ b/drivers/event/Makefile
@@ -4,6 +4,10 @@
 
 include $(RTE_SDK)/mk/rte.vars.mk
 
+ifeq ($(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF),d)
+        $(warning pmd octeontx ssovf is not supported by old compilers)
+endif
+
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_SKELETON_EVENTDEV) += skeleton
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += sw
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF) += octeontx
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index e1127326b..bf7816d1e 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -7,6 +7,9 @@ include $(RTE_SDK)/mk/rte.vars.mk
 ifeq ($(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD),d)
         $(warning thunderx pmd is not supported by old compilers)
 endif
+ifeq ($(CONFIG_RTE_LIBRTE_OCTEONTX_PMD),d)
+        $(warning octeontx pmd is not supported by old compilers)
+endif
 
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += af_packet
 DIRS-$(CONFIG_RTE_LIBRTE_ARK_PMD) += ark
diff --git a/mk/toolchain/clang/rte.toolchain-compat.mk b/mk/toolchain/clang/rte.toolchain-compat.mk
index e6189b498..d81aa1c86 100644
--- a/mk/toolchain/clang/rte.toolchain-compat.mk
+++ b/mk/toolchain/clang/rte.toolchain-compat.mk
@@ -20,3 +20,8 @@ CLANG_MINOR_VERSION := $(shell echo $(CLANG_VERSION) | cut -f2 -d.)
 ifeq ($(shell test $(CLANG_MAJOR_VERSION)$(CLANG_MINOR_VERSION) -lt 35 && echo 1), 1)
 	CC_SUPPORTS_Z := false
 endif
+
+ifeq ($(shell test $(CLANG_MAJOR_VERSION)$(CLANG_MINOR_VERSION) -lt 40 && echo 1), 1)
+	CONFIG_RTE_LIBRTE_OCTEONTX_PMD=d
+	CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF=d
+endif
-- 
2.16.0