Devtool test-meson-build.sh failed

[Tanzeel Ahmed <tanxeel1.ahmed@gmail.com>]

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Hello, devs!
I hope you all are doing well!

I am currently working on a new patch version for "[PATCH v2] lib/net: add
MPLS insert and strip functionality". However, I am facing an error when
running the devtools/test-meson-build.sh script. The error is related to
unused functions in rte_mpls.h that is causing warnings to be treated as
errors, leading to the build failure. Following is the error snippet:










*[50/3060] Compiling C object lib/librte_net.a.p/net_rte_net.c.oFAILED:
lib/librte_net.a.p/net_rte_net.c.ogcc -Ilib/librte_net.a.p -Ilib
-I../../lib -Ilib/net -I../../lib/net -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/mbuf
-I../../lib/mbuf -Ilib/mempool -I../../lib/mempool -Ilib/ring
-I../../lib/ring -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra
-Werror -O2 -g -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-missing-field-initializers -D_GNU_SOURCE -fPIC -march=native
-DALLOW_EXPERIMENTAL_API -DALLOW_INTERNAL_API
-DCC_X86_64_SSE42_PCLMULQDQ_SUPPORT -DRTE_LOG_DEFAULT_LOGTYPE=lib.net
<http://lib.net> -MD -MQ lib/librte_net.a.p/net_rte_net.c.o -MF
lib/librte_net.a.p/net_rte_net.c.o.d -o lib/librte_net.a.p/net_rte_net.c.o
-c ../../lib/net/rte_net.cIn file included from
../../lib/net/rte_net.c:16:0:../../lib/net/rte_mpls.h:61:1: error:
‘rte_mpls_push_over_l2’ defined but not used
[-Werror=unused-function] rte_mpls_push_over_l2(struct rte_mbuf **m, const
struct rte_mpls_hdr *mp) ^cc1: all warnings being treated as
errors[99/3060] Compiling C object
lib/librte_vhost.a.p/vhost_virtio_net.c.oninja: build stopped: subcommand
failed.*

The same warning leads to the failure of the following checks:

*ci/github-robot: build*

*ci/iol-x86_64-unit-testing*
*ci/iol-x86_64-compile-testing*
and warning in the following check:
*ci/iol-testing*

Although I have added test cases under app/ in a new file called
test_mpls.c and adjusted its setting in meson.build, the problem is still
occurring.
As per my understanding, I need to use these new functions in
lib/net/rte_net to remove this warning, but I believe that the tests in the
app/ directory should be sufficient. Could you please suggest a workaround
to remove this warning?

I would greatly appreciate any guidance or assistance you can provide.

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