[dpdk-dev] [Bug 681] DPDK 20.11.1 failed to build for x86 machine types

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=681

            Bug ID: 681
           Summary: DPDK 20.11.1 failed to build for x86 machine types
           Product: DPDK
           Version: 20.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: meson
          Assignee: dev at dpdk.org
          Reporter: qlinqlin at yahoo.com
  Target Milestone: ---

While build with commands:
    meson build
    meson -Dmachine=atom
works fine, build with x86 machine types failed. e.g.
    meson -Dmachine=silvermont

The problem seems with compiler setting. File
$(DPDK_ROOT)/config/x86/meson.build has code:

# we require SSE4.2 for DPDK
if cc.get_define('__SSE4_2__', args: machine_args) == ''
        message('SSE 4.2 not enabled by default, explicitly enabling')
        machine_args += '-msse4'
endif


The error is: "Could not get define '__SSE4_2__'   "

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