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    Hi David,<br>
    <br>
    We do not support MPICH on Windows systems anymore. <br>
<a class="moz-txt-link-freetext" href="https://wiki.mpich.org/mpich/index.php/Frequently_Asked_Questions#Q:_Why_can.27t_I_build_MPICH_on_Windows_anymore.3F">https://wiki.mpich.org/mpich/index.php/Frequently_Asked_Questions#Q:_Why_can.27t_I_build_MPICH_on_Windows_anymore.3F</a><br>
    <br>
    Please try MS-MPI instead, and you can contact the Microsoft team
    for any future question.<br>
    <br>
    Min<br>
    <br>
    <div class="moz-cite-prefix">On 1/9/17 9:59 PM, David Alan Hjelle
      wrote:<br>
    </div>
    <blockquote cite="mid:BE0E3399-5D9E-4C88-933E-6D24285305D9@thehjellejar.com" type="cite">
      
      <div class="" style="word-wrap:break-word">Hi!
        <div class=""><br class="">
        </div>
        <div class="">I’m trying to compile mpich under Cygwin. Things
          configure fine, but I’m running into errors during make.</div>
        <div class=""><br class="">
        </div>
        <div class="">The first error I see is:</div>
        <div class=""><br class="">
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        <div class="">
          <blockquote type="cite" class="">
            <div class=""><font class="" face="Courier New">/usr/include/w32api/psdk_inc/_ip_types.h:25:8:
                error: redefinition of ‘struct hostent’</font></div>
            <div class=""><font class="" face="Courier New"> struct
                hostent {</font></div>
            <div class=""><font class="" face="Courier New">        ^</font></div>
            <div class=""><font class="" face="Courier New">In file
                included from ./../../mpl/include/mplsock.h:17:0,</font></div>
            <div class=""><font class="" face="Courier New">           
                     from ./../../mpl/include/mpl.h:114,</font></div>
            <div class=""><font class="" face="Courier New">           
                     from ./include/hydra.h:17,</font></div>
            <div class=""><font class="" face="Courier New">           
                     from utils/alloc/alloc.c:7:</font></div>
          </blockquote>
          <div class=""><br class="">
          </div>
          <div class="">I’m attaching the c.txt and m.txt files as
            defined in the <a moz-do-not-send="true" href="http://www.mpich.org/static/downloads/3.2/mpich-3.2-installguide.pdf" class="">install guide</a>.</div>
          <div class=""><br class="">
          </div>
          <div class="">Thanks for any pointers you might have!</div>
          <div class=""><br class="">
          </div>
          <div class=""><b class="" style="font-size:20px">David Alan
              Hjelle<br class="">
            </b><font class="" style="font-size:11px" color="#c0c0c0">1
              Corinthians 2:2<br class="">
            </font><a moz-do-not-send="true" href="http://thehjellejar.com" class="" style="font-size:11px">http://thehjellejar.com/</a>
            <div class="" style="font-size:11px"><a moz-do-not-send="true" href="http://thehjellejar.com" class=""><br class="">
              </a><font class="" color="#c0c0c0">See the </font><a moz-do-not-send="true" href="http://iconcmo.com" class="">church management software I build at Icon
                Systems, Inc.</a><font class="" color="#c0c0c0"><br class="">
                Check out </font><a moz-do-not-send="true" href="http://jarofwood.com" class="">Rita’s spoons</a><font class="" color="#c0c0c0">.</font></div>
          </div>
          <br class="">
        </div>
      </div>
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      </div>
    </blockquote>
    <br>
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