From 970c6d099e3db9ca67b19d8cdb56273da6818735 Mon Sep 17 00:00:00 2001 From: Alexey Marchuk Date: Thu, 16 Jul 2020 12:59:30 +0300 Subject: [PATCH] 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 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3373 Community-CI: Broadcom CI Tested-by: SPDK CI Jenkins Reviewed-by: Tomasz Zawadzki Reviewed-by: Changpeng Liu --- dpdkbuild/Makefile | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/dpdkbuild/Makefile b/dpdkbuild/Makefile index cd9a7082d..2318eef69 100644 --- a/dpdkbuild/Makefile +++ b/dpdkbuild/Makefile @@ -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))