https://bugs.dpdk.org/show_bug.cgi?id=939
Bug ID: 939
Summary: [dpdk 22.03-rc2] drivers/net/cnxk/cnxk_ethdev_mtr
meson build failed with cflag parm optimization=1 on
Ubuntu20.04 with GCC10.3
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: meson
Assignee: dev@dpdk.org
Reporter: daxuex....@intel.com
Target Milestone: ---
[DPDK version]
dpdk 22.03-rc2
[Bad commit]:
commit b526599020ef06811dd08c4f15c0cdf049d7f9f2 (HEAD)
Author: Rakesh Kudurumalla <rkuduruma...@marvell.com>
Date: Wed Feb 23 15:25:40 2022 +0530
net/cnxk: fix build with GCC 12
Resolve following compilation error with gcc 12 version.
error: storing the address of local variable message in *error.message
Fixes: 26b034f78ca7 ("net/cnxk: support to validate meter policy")
Cc: sta...@dpdk.org
Reported-by: Ferruh Yigit <ferruh.yi...@intel.com>
Signed-off-by: Rakesh Kudurumalla <rkuduruma...@marvell.com>
Acked-by: Jerin Jacob <jer...@marvell.com>
[OS version]:
gcc version 10.3.0(Ubuntu 10.3.0-1ubuntu1~20.04)
UB20.04/5.8.0-48-generic
[Test Setup]:
CC=gcc meson --optimization=1 --werror -Denable_kmods=True -Dlibdir=lib
--default-library=static x86_64-native-linuxapp-gcc
ninja -C x86_64-native-linuxapp-gcc -j 10
[Ubuntu20.04 log as below]
Option buildtype is: custom [default: release]
Found ninja-1.9.0.git.kitware.dyndep-1.jobserver-1 at /usr/local/bin/ninja
ninja: Entering directory `x86_64-native-linuxapp-gcc'
[1258/3455] Compiling C object
drivers/libtmp_rte_net_cnxk.a.p/net_cnxk_cnxk_ethdev_mtr.c.o
FAILED: drivers/libtmp_rte_net_cnxk.a.p/net_cnxk_cnxk_ethdev_mtr.c.o
gcc -Idrivers/libtmp_rte_net_cnxk.a.p -Idrivers -I../drivers -Idrivers/net/cnxk
-I../drivers/net/cnxk -Ilib/ethdev -I../lib/ethdev -I. -I.. -Iconfig
-I../config -Ilib/eal/include -I../lib/eal/include -Ilib/eal/linux/include
-I../lib/eal/linux/include -Ilib/eal/x86/include -I../lib/eal/x86/include
-Ilib/eal/common -I../lib/eal/common -Ilib/eal -I../lib/eal -Ilib/kvargs
-I../lib/kvargs -Ilib/metrics -I../lib/metrics -Ilib/telemetry
-I../lib/telemetry -Ilib/net -I../lib/net -Ilib/mbuf -I../lib/mbuf
-Ilib/mempool -I../lib/mempool -Ilib/ring -I../lib/ring -Ilib/meter
-I../lib/meter -Idrivers/bus/pci -I../drivers/bus/pci
-I../drivers/bus/pci/linux -Ilib/pci -I../lib/pci -Idrivers/bus/vdev
-I../drivers/bus/vdev -Ilib/cryptodev -I../lib/cryptodev -Ilib/rcu -I../lib/rcu
-Ilib/eventdev -I../lib/eventdev -Ilib/hash -I../lib/hash -Ilib/timer
-I../lib/timer -Ilib/security -I../lib/security -Idrivers/common/cnxk
-I../drivers/common/cnxk -Idrivers/mempool/cnxk -I../drivers/mempool/cnxk
-fdiagnostics-color=always -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch
-Wextra -Werror -O1 -include rte_config.h -Wcast-qual -Wdeprecated -Wformat
-Wformat-nonliteral -Wformat-security -Wmissing-declarations
-Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wpointer-arith
-Wsign-compare -Wstrict-prototypes -Wundef -Wwrite-strings
-Wno-address-of-packed-member -Wno-packed-not-aligned
-Wno-missing-field-initializers -Wno-zero-length-bounds -D_GNU_SOURCE -fPIC
-march=native -DALLOW_EXPERIMENTAL_API -DALLOW_INTERNAL_API
-Wno-format-truncation -flax-vector-conversions -Wno-strict-aliasing
-DRTE_LOG_DEFAULT_LOGTYPE=pmd.net.cnxk -MD -MQ
drivers/libtmp_rte_net_cnxk.a.p/net_cnxk_cnxk_ethdev_mtr.c.o -MF
drivers/libtmp_rte_net_cnxk.a.p/net_cnxk_cnxk_ethdev_mtr.c.o.d -o
drivers/libtmp_rte_net_cnxk.a.p/net_cnxk_cnxk_ethdev_mtr.c.o -c
../drivers/net/cnxk/cnxk_ethdev_mtr.c
In file included from ../drivers/net/cnxk/cnxk_ethdev.h:16,
from ../drivers/net/cnxk/cnxk_ethdev_mtr.c:5:
../drivers/net/cnxk/cnxk_ethdev_mtr.c: In function
‘cnxk_nix_mtr_policy_validate’:
../lib/ethdev/rte_mtr_driver.h:188:10: error: ‘str’ may be used uninitialized
in this function [-Werror=maybe-uninitialized]
188 | *error = (struct rte_mtr_error){
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
189 | .type = type,
| ~~~~~~~~~~~~~
190 | .cause = cause,
| ~~~~~~~~~~~~~~~
191 | .message = message,
| ~~~~~~~~~~~~~~~~~~~
192 | };
| ~
../drivers/net/cnxk/cnxk_ethdev_mtr.c:291:14: note: ‘str’ was declared here
291 | const char *str;
| ^~~
In file included from ../drivers/net/cnxk/cnxk_ethdev.h:16,
from ../drivers/net/cnxk/cnxk_ethdev_mtr.c:5:
../lib/ethdev/rte_mtr_driver.h:188:10: error: ‘str’ may be used uninitialized
in this function [-Werror=maybe-uninitialized]
188 | *error = (struct rte_mtr_error){
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
189 | .type = type,
| ~~~~~~~~~~~~~
190 | .cause = cause,
| ~~~~~~~~~~~~~~~
191 | .message = message,
| ~~~~~~~~~~~~~~~~~~~
192 | };
| ~
../drivers/net/cnxk/cnxk_ethdev_mtr.c:291:14: note: ‘str’ was declared here
291 | const char *str;
| ^~~
cc1: all warnings being treated as errors
[1267/3455] Compiling C object
drivers/libtmp_rte_net_cnxk.a.p/net_cnxk_cnxk_stats.c.o
ninja: build stopped: subcommand failed.
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