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    <p>I am also encountering this issue with the latest git head
      version of ndn-cxx on a Raspberry Pi 4 Model B with a fresh
      install of Raspbian.<br>
    </p>
    <p>Eric<br>
    </p>
    <div class="moz-cite-prefix">On 4/9/2020 10:33 PM, Gordon via
      Nfd-dev wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:55d8e9f3.3edb.17162943974.Coremail.gordon_master@163.com">
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        <div style="margin: 0;">Hi Ashiq,</div>
        <div style="margin: 0;">Thank you for your reply, I followed the
          tutorial you gave me.But I got an error when compiling
          ndncxx(In the ./waf step)</div>
        <div style="margin: 0;">My Raspberry Pi is Raspberry Pi 4B and
          the memory is 4GB, so I am not using the clang compiler.</div>
        <div style="margin: 0;"><br>
        </div>
        <div style="margin: 0;">Let me introduce my information:</div>
        <div style="margin: 0;"><b>gcc:version: 8.3.0</b></div>
        <div style="margin: 0;"><b>ndncxx version: 0.7.0 
             commit:52a803cb9d0021fc03b1a174915008994aa14adc  </b></div>
        <div style="margin: 0;"><b>OS version:</b><span style="color:
            rgb(36, 41, 46); font-family: -apple-system,
            BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
            sans-serif, "Apple Color Emoji", "Segoe UI
            Emoji"; font-size: 16px;"><b> Raspbian Buster Lite 10</b></span></div>
        <div style="margin: 0;"><span style="color: rgb(36, 41, 46);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe
            UI", Helvetica, Arial, sans-serif, "Apple Color
            Emoji", "Segoe UI Emoji"; font-size: 16px;"><b>openssl
              version: </b></span><b>1.1.1d-0+deb10u2+rpt1</b></div>
        <div style="margin: 0;"><br>
        </div>
        <div style="margin: 0;">
          <pre>I was trying to install ndn-cxx from the official sources and I'm getting this error:
</pre>
        </div>
        <div style="margin: 0;">
          <div style="margin: 0;"><b>[187/203] Compiling
              tools/ndnsec/list.cpp</b></div>
          <div style="margin: 0;"><b>[188/203] Compiling
              tools/ndnsec/cert-dump.cpp</b></div>
          <div style="margin: 0;"><b>[189/203] Compiling
              tools/ndnsec/import.cpp</b></div>
          <div style="margin: 0;"><b>[190/203] Compiling
              tools/ndnsec/export.cpp</b></div>
          <div style="margin: 0;"><b>[191/203] Compiling
              tools/ndnsec/unlock-tpm.cpp</b></div>
          <div style="margin: 0;"><b>[192/203] Compiling
              tools/ndnsec/cert-install.cpp</b></div>
          <div style="margin: 0;"><b>[193/203] Linking
              build/libndn-cxx.so</b></div>
          <div style="margin: 0;"><b>[194/203] Compiling
              tools/ndnsec/key-gen.cpp</b></div>
          <div style="margin: 0;"><b>[195/203] Compiling
              tools/ndnsec/util.cpp</b></div>
          <div style="margin: 0;"><b>[196/203] Compiling
              tools/ndnsec/get-default.cpp</b></div>
          <div style="margin: 0;"><b>[197/203] Compiling
              tools/ndnsec/delete.cpp</b></div>
          <div style="margin: 0;"><b>[198/203] Compiling
              tools/ndnsec/cert-gen.cpp</b></div>
          <div style="margin: 0;"><b>[199/203] Compiling
              tools/ndnsec/sign-req.cpp</b></div>
          <div style="margin: 0;"><b>[200/203] Compiling
              tools/ndnsec/set-default.cpp</b></div>
          <div style="margin: 0;"><b>[201/203] Compiling
              tools/ndnsec/main.cpp</b></div>
          <div style="margin: 0;"><b>[202/203] Linking build/bin/ndnsec</b></div>
          <div style="margin: 0;"><span style="background-color:
              rgb(221, 64, 50);"><b>./libndn-cxx.so: error: undefined
                reference to '__atomic_fetch_add_8'</b></span></div>
          <div style="margin: 0;"><span style="background-color:
              rgb(221, 64, 50);"><b>collect2: error: ld returned 1 exit
                status</b></span></div>
          <div style="margin: 0;"><br>
          </div>
          <div style="margin: 0;"><span style="background-color:
              rgb(221, 64, 50);"><b>Waf: Leaving directory
                `/home/pi/ndn-cxx/build'</b></span></div>
          <div style="margin: 0;"><span style="background-color:
              rgb(221, 64, 50);"><b>Build failed</b></span></div>
          <div style="margin: 0;"><span style="background-color:
              rgb(221, 64, 50);"><b> -> task in 'tool-ndnsec' failed
                with exit status 1 (run with -v to display more
                information)</b></span></div>
          <div><br>
          </div>
        </div>
        <div>
          <pre>Please let me know how to solve this error.</pre>
          <pre><div style="white-space: normal; font-family: "lucida Grande", Verdana, "Microsoft YaHei";">Thanks & Regards,</div><div style="white-space: normal; font-family: "lucida Grande", Verdana, "Microsoft YaHei";"><p style="line-height: 23.8px;">Gordon</p></div></pre>
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        <p style="margin: 0;"><br>
        </p>
        <p style="margin: 0;"><br>
        </p>
        <p style="margin: 0;"><br>
        </p>
        <p style="margin: 0;"><br>
        </p>
        <p>At 2020-04-03 16:30:00, "Md Ashiqur Rahman"
          <a class="moz-txt-link-rfc2396E" href="mailto:marahman@email.arizona.edu"><marahman@email.arizona.edu></a> wrote:</p>
        <blockquote id="isReplyContent" style="PADDING-LEFT: 1ex;
          MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
          <div>
            <div dir="auto">Hi Gordon,</div>
          </div>
          <div dir="auto"><br>
          </div>
          <div dir="auto">You can follow this tutorial:</div>
          <div dir="auto">
            <div><a href="https://github.com/ashiqopu/ndn-arm-builds"
                moz-do-not-send="true">https://github.com/ashiqopu/ndn-arm-builds</a></div>
          </div>
          <div dir="auto"><br>
          </div>
          <div dir="auto">Please note that if you have Rpi4 with 2GB/4GB
            memory then you can try with default gcc instead of clang++.</div>
          <div dir="auto"><br>
          </div>
          <div dir="auto">Best-</div>
          <div dir="auto">Ashiq</div>
          <div><br>
            <div class="gmail_quote">
              <div dir="ltr" class="gmail_attr">On Fri, Apr 3, 2020 at
                12:44 AM Gordon via Nfd-dev <<a
                  href="mailto:nfd-dev@lists.cs.ucla.edu"
                  moz-do-not-send="true">nfd-dev@lists.cs.ucla.edu</a>>
                wrote:<br>
              </div>
              <blockquote class="gmail_quote" style="margin:0 0 0
                .8ex;border-left:1px #ccc solid;padding-left:1ex">
                <p style="text-align:center"><font color="red"><strong>External
                      Email</strong><br>
                  </font></p>
                <div
                  style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial">
                  <div style="font-family:"lucida
                    Grande",Verdana,"Microsoft YaHei"">Hello,</div>
                  <div style="font-family:"lucida
                    Grande",Verdana,"Microsoft YaHei""><br>
                  </div>
                  <div style="font-family:"lucida
                    Grande",Verdana,"Microsoft YaHei"">Hi,guys.I
                    want to install nfd on the Raspberry Pi and install
                    it by source code.</div>
                  <div><font face="lucida Grande, Verdana, Microsoft
                      YaHei">I have previously installed nfd on the pc
                      through source code, so which operating system
                      should I use on the Raspberry Pi?</font></div>
                  <div><font face="lucida Grande, Verdana, Microsoft
                      YaHei">It would be better for me if there are more
                      detailed steps.</font></div>
                  <div style="font-family:"lucida
                    Grande",Verdana,"Microsoft YaHei""><br>
                  </div>
                  <div style="font-family:"lucida
                    Grande",Verdana,"Microsoft YaHei"">Thanks
                    & Regards,</div>
                  <div style="font-family:"lucida
                    Grande",Verdana,"Microsoft YaHei"">
                    <p style="line-height:23.8px">Gordon</p>
                  </div>
                </div>
                <br>
                <br>
                <span title="neteasefooter">
                  <p> </p>
                </span>_______________________________________________<br>
                Nfd-dev mailing list<br>
                <a href="mailto:Nfd-dev@lists.cs.ucla.edu"
                  target="_blank" moz-do-not-send="true">Nfd-dev@lists.cs.ucla.edu</a><br>
                <a
                  href="http://www.lists.cs.ucla.edu/mailman/listinfo/nfd-dev"
                  rel="noreferrer" target="_blank"
                  moz-do-not-send="true">http://www.lists.cs.ucla.edu/mailman/listinfo/nfd-dev</a><br>
              </blockquote>
            </div>
          </div>
          -- <br>
          <div dir="ltr" class="gmail_signature"
            data-smartmail="gmail_signature">Md Ashiqur Rahman<br>
            PhD Student, Computer Science<br>
            The University of Arizona<br>
            <a href="https://www.linkedin.com/in/ashiqopu117/"
              moz-do-not-send="true">https://www.linkedin.com/in/ashiqopu117/</a></div>
        </blockquote>
      </div>
      <br>
      <br>
      <span title="neteasefooter">
        <p> </p>
      </span><br>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
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</pre>
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