[PATCH v2] examples: fix build errors for icc

[Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>]

error: loops in this subroutine are not good vectorization candidates
 (try compiling with O3 and/or IPO).

this error occurs in icc 15.0.1

Solution to disable this diagnostic message
https://software.intel.com/en-us/forums/intel-c-compiler/topic/537688

Fixes: d299106e8e31 ("examples/ipsec-secgw: add IPsec sample application")
Fixes: 8cc72f2814dd ("examples/vmdq_dcb: support X710")

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
---
 examples/ipsec-secgw/Makefile | 4 ++++
 examples/vmdq_dcb/Makefile    | 4 +++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/examples/ipsec-secgw/Makefile b/examples/ipsec-secgw/Makefile
index da39e49..f9b59c2 100644
--- a/examples/ipsec-secgw/Makefile
+++ b/examples/ipsec-secgw/Makefile
@@ -42,6 +42,10 @@ APP = ipsec-secgw
 
 CFLAGS += -O3 -gdwarf-2
 CFLAGS += $(WERROR_FLAGS)
+ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y)
+CFLAGS_sa.o += -diag-disable=vec
+endif
+
 
 VPATH += $(SRCDIR)/librte_ipsec
 
diff --git a/examples/vmdq_dcb/Makefile b/examples/vmdq_dcb/Makefile
index 10a9a9a..8c51131 100644
--- a/examples/vmdq_dcb/Makefile
+++ b/examples/vmdq_dcb/Makefile
@@ -51,7 +51,9 @@ CFLAGS += $(WERROR_FLAGS)
 ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
 CFLAGS_main.o += -Wno-return-type
 endif
-
+ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y)
+CFLAGS_main.o += -diag-disable=vec
+endif
 EXTRA_CFLAGS += -O3 -g
 
 include $(RTE_SDK)/mk/rte.extapp.mk
-- 
2.5.5