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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [Bug 910] [build] meson build not support some c_args
Date: Wed, 15 Dec 2021 08:18:20 +0000
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X-Bugzilla-Component: meson
X-Bugzilla-Version: 21.11
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https://bugs.dpdk.org/show_bug.cgi?id=3D910

            Bug ID: 910
           Summary: [build] meson build not support some c_args
           Product: DPDK
           Version: 21.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: meson
          Assignee: dev@dpdk.org
          Reporter: junx.dong@intel.com
  Target Milestone: ---

1.DPDK version:
    version: 21.11.0-rc0

2.OS version:
  OS: Ubuntu 20.04.3 LTS/5.8.0-48-generic
  gcc version: (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0

3. Config meson build command, contain c_args parameter=20
  DRTE_MBUF_DEFAULT_MEMPOOL_OPS, as follow:
  CC=3Dgcc meson -Denable_kmods=3DTrue -Dlibdir=3Dlib -Dc_args=3D-DRTE_MBUF=
_DEFAULT_
  MEMPOOL_OPS=3Dstack --default-library=3Dstatic x86 _64-native-linuxapp-gcc

4. Check the build output.
  There is warning information of redefined parameter
  171149 [6/2720] Compiling C object lib/librte_eal.a.p/eal_common_eal_comm=
on_
  hypervisor.c.o^M=20
  171150 In file included from <command-line>:^M ./config/rte_config.h:52:=
=20
  warning:=20
  "RTE_MBUF_DEFAULT_MEMPOOL_OPS" redefined^M  #define
RTE_MBUF_DEFAULT_MEMPOOL_OPS=20
  "ring_mp_mc"^M

5. The list of othe c_args parameters having same issues:
  RTE_LIBRTE_IP_FRAG_MAX_FRAG
  RTE_LIBRTE_I40E_QUEUE_NUM_PER_VM
  RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC

6. About RTE_LIBRTE_I40E_16BYTE_RX_DESC, it was undefined in
config/rte_config.h,=20
  if i defined it in meson build command, it is also cancel, please also
analysis=20
  this parameter. thanks.

--=20
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