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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [Bug 1010] lib/librte_metrics build failure with rhel 7.2
Date: Tue, 17 May 2022 09:29:46 +0000
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https://bugs.dpdk.org/show_bug.cgi?id=3D1010

            Bug ID: 1010
           Summary: lib/librte_metrics build failure with rhel 7.2
           Product: DPDK
           Version: 22.03
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: other
          Assignee: dev@dpdk.org
          Reporter: bzalkilani@nvidia.com
  Target Milestone: ---

Some libs are failing to build with older libjansson versions on rhel7.2

Reproducer:
# meson build-meson --werror && ninja -C build-meson

Failure:
../lib/librte_metrics/rte_metrics_telemetry.c: In function
=E2=80=98rte_metrics_tel_extract_data=E2=80=99:=20

../lib/librte_metrics/rte_metrics_telemetry.c:397:2: error: implicit
declaration of function =E2=80=98json_array_foreach=E2=80=99
[-Werror=3Dimplicit-function-declaration]=20

  json_array_foreach(port_ids_json, index, value) {=20

  ^=20

Jansson version used: 2.4
OS: RHEL7.2

Please note, the error doesn't reproduce with CentOS 7.9 with jansson 2.10.

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