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<p class="MsoNormal">When trying to compile my code using gfortran on Windows, I get the following error:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> USE MPI<o:p></o:p></p>
<p class="MsoNormal"> 1<o:p></o:p></p>
<p class="MsoNormal">Fatal Error: File 'mpi.mod' opened at (1) is not a GFORTRAN module file<o:p></o:p></p>
<p class="MsoNormal">gfortran: Internal error: Aborted (program f951)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">To fix this, I tried the following:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>From the definitions in mpif.h (in folder ‘include’), I created a new module MPI (in file mpi.f90)
<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Compiled mpi.f90 using gfortran to get a new mpi.mod.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Compiled my code using the new module file successfully.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">However, during runtime I got the following error messages:<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_bcast_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_send_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_bcast_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_recv_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_wait_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_irecv_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_test_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_irecv_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_finalize_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_init_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_comm_rank_'<o:p></o:p></p>
<p class="MsoNormal"> undefined reference to `mpi_comm_size_'<o:p></o:p></p>
<p class="MsoNormal"> collect2: ld returned 1 exit status<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I had used fmpich2g.lib while executing the code.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">How do I fix these undefined references?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My system configuration is:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">a.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Windows XP SP3 – Intel Core2 Duo<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">b.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>MPICH2-1.2.1p1 (Windows IA32 (binary))<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">c.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>gfortran (version 4.4.0) – MinGW build<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Regards,</span></b><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Vinit Satav</span></b><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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