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    <div class="moz-cite-prefix">Hi Matt,<br>
      <br>
      <br>
      Sorry, I mean during the compilation of my own codes using my own
      makefile.<br>
      <pre class="moz-signature" cols="72">Thank you

Yours sincerely,

TAY wee-beng</pre>
      On 8/5/2014 9:46 AM, Matthew Knepley wrote:<br>
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    <blockquote
cite="mid:CAMYG4G==e0sWpROngwbPJofVmiopwbRsBZ-pTqzd_fvZz1eAYg@mail.gmail.com"
      type="cite">
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          <div class="gmail_quote">On Wed, May 7, 2014 at 8:35 PM, TAY
            wee-beng <span dir="ltr"><<a moz-do-not-send="true"
                href="mailto:zonexo@gmail.com" target="_blank">zonexo@gmail.com</a>></span>
            wrote:<br>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
              <br>
              I want to override PETSc compile options. During compile,
              PETSc automatically uses -Wall etc<br>
              <br>
              How can I change that?</blockquote>
            <div><br>
            </div>
            <div>All the options are given in -help for configure. That
              compiler options can be overridden using --COPTFLAGS</div>
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            <div>   Matt</div>
            <div> </div>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <span class="HOEnZb"><font color="#888888"><br>
                  -- <br>
                  Thank you<br>
                  <br>
                  Yours sincerely,<br>
                  <br>
                  TAY wee-beng<br>
                  <br>
                </font></span></blockquote>
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          -- <br>
          What most experimenters take for granted before they begin
          their experiments is infinitely more interesting than any
          results to which their experiments lead.<br>
          -- Norbert Wiener
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