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make/dpdk: Suppress GCC 10 warnings

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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>
This commit is contained in:
Alexey Marchuk 2020-07-16 12:59:30 +03:00 committed by Tomasz Zawadzki
parent ca1b318f07
commit 970c6d099e
1 changed files with 12 additions and 0 deletions
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12
dpdkbuild/Makefile
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@ -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))