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 Sounds reasonable. Thank you very much! Runjian On Tue, May 14, 2024 at 10: 34 AM Barry Smith <bsmith@ petsc. dev> wrote: It is not always safe to remove duplicate libraries listed in different places in the list. Hence we cannot simply
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<div dir="ltr"><div dir="ltr">Sounds reasonable. Thank you very much!</div><div dir="ltr"><br></div><div>Runjian</div><div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, May 14, 2024 at 10:34 AM Barry Smith <<a href="mailto:bsmith@petsc.dev">bsmith@petsc.dev</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div><br></div>  It is not always safe to remove duplicate libraries listed in different places in the list. Hence we cannot simply always remove them.<div><br></div><div>  Barry<br id="m_2791628692831285950lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On May 13, 2024, at 10:00 PM, Runjian Wu <<a href="mailto:wurunjian@gmail.com" target="_blank">wurunjian@gmail.com</a>> wrote:</div><br><div><div dir="ltr"><u></u>

  
    
  
  <div><p>Thanks for your reply!  Since I can manually remove duplicates, how 
about adding a function to automatically remove duplicates at the end of 
"configure" in the next PETSc version?<br>
</p><div>

    <br></div><p>Runjian</p><p><br>
    </p>
    <div>On 5/13/2024 9:31 PM, Barry Smith
      wrote:<br>
    </div>
    <blockquote type="cite">
      
      <div><br>
      </div>
         Because the order of the libraries can be important, it is
      difficult for ./configure to remove unneeded duplicates
      automatically.
      <div><br>
      </div>
      <div>   You can manually remove duplicates by editing
        $PETSC_ARCH/lib/petsc/conf/petscvariables after running
        ./configure</div>
      <div><br>
      </div>
      <div>   Barry</div>
      <div><br>
      </div>
      <div><br id="m_2791628692831285950m_-8871480957337302699lineBreakAtBeginningOfMessage">
        <div><br>
          <blockquote type="cite">
            <div>On May 13, 2024, at 7:47 AM, Runjian Wu
              <a href="mailto:wurunjian@gmail.com" target="_blank"><wurunjian@gmail.com></a> wrote:</div>
            <br>
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              <div dir="ltr" style="font-family:Helvetica;font-size:18px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">Hi
                all,<br>
                <br>
                After I compiled PETSc, I found some duplicated libs in
                the variable PETSC_EXTERNAL_LIB_BASIC, e.g., -lm,
                -lgfortran -lstdc++.  I am curious how it happened and
                how to remove the duplicates?<br>
                <br>
                Thanks,<br>
                <br>
                Runjian Wu</div>
            </div>
          </blockquote>
        </div>
        <br>
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    </blockquote>
  </div>

</div>
</div></blockquote></div><br></div></div></blockquote></div></div>