Commit 970c6d09 authored Jul 16, 2020 by Alexey Marchuk Committed by Tomasz Zawadzki Jul 20, 2020

make/dpdk: Suppress GCC 10 warnings



Suppres the following warnings which causes compilation errors:
1. gcc 10 complains on operations with zero size arrays in rte_cryptodev.c
Suppress this warning by adding -Wno-stringop-overflow compilation flag
2. gcc 10 disables fcommon by default and complains on multiple definition of
aesni_mb_logtype_driver symbol which is defined in header file and presented in sevral
translation units. Add -fcommon compilation flag.

Fixes issue #1493

Change-Id: I9241bf1fd78e86df6a6eb46b4ff787b2f7027b7d
Signed-off-by: Alexey Marchuk <alexeymar@mellanox.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3373


Community-CI: Broadcom CI
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>

parent ca1b318f

dpdkbuild/Makefile

+12 −0

Original line number	Diff line number	Diff line
		@@ -139,6 +139,18 @@ endif
		# Allow users to specify EXTRA_DPDK_CFLAGS if they want to build DPDK using unsupported compiler versions
		DPDK_CFLAGS += $(EXTRA_DPDK_CFLAGS)

		ifeq ($(CC),gcc)
		GCC_MAJOR = $(shell echo __GNUC__ \| $(CC) -E -x c - \| tail -n 1)
		ifeq ($(shell test $(GCC_MAJOR) -ge 10 && echo 1), 1)
		#1. gcc 10 complains on operations with zero size arrays in rte_cryptodev.c, so
		#disable this warning
		#2. gcc 10 disables fcommon by default and complains on multiple definition of
		#aesni_mb_logtype_driver symbol which is defined in header file and presented in sevral
		#translation units
		DPDK_CFLAGS += -Wno-stringop-overflow -fcommon
		endif
		endif

		# Force-disable scan-build
		SUB_CC = $(patsubst %ccc-analyzer,$(DEFAULT_CC),$(CC))