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<p style="margin-top:0;margin-bottom:0">Thank you for the response Satish, but I am still encountering the same issue.</p>
<p style="margin-top:0;margin-bottom:0">Following is my makefile:</p>
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<div><span style="font-family: "Lucida Console", Monaco, monospace; font-size: 9pt;">PETSC_DIR=/usr/local/pacerepov1/petsc/3.8.3/mvapich2-2.1/intel-15.0/opt/lib/petsc/</span></div>
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<div><span style="font-family: "Lucida Console", Monaco, monospace; font-size: 9pt;">include ${PETSC_DIR}/conf/variables</span></div>
<div><span style="font-family: "Lucida Console", Monaco, monospace; font-size: 9pt;">include ${PETSC_DIR}/conf/rules</span></div>
<div><span style="font-family: "Lucida Console", Monaco, monospace; font-size: 9pt;">include ${PETSC_DIR}/conf/test</span></div>
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<div><span style="font-size: 9pt; font-family: "Lucida Console", Monaco, monospace;">hello: hello.o chkopts</span><br>
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<div><span style="font-family: "Lucida Console", Monaco, monospace; font-size: 9pt;"> -${CLINKER} -o hello hello.o ${PETSC_LIB}</span></div>
<div><span style="font-family: "Lucida Console", Monaco, monospace; font-size: 9pt;"> ${RM} hello.o</span></div>
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<div>It is in the format of petsc examples. I am not sure why I am still getting the error.</div>
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<div>Devyani</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Balay, Satish <balay@mcs.anl.gov><br>
<b>Sent:</b> Sunday, January 13, 2019 3:07:58 PM<br>
<b>To:</b> Choudhary, Devyani D<br>
<b>Cc:</b> petsc-users@mcs.anl.gov<br>
<b>Subject:</b> Re: [petsc-users] C++ compilation error</font>
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<div class="PlainText">Presumably PETSc is buit with intel compilers - but somehow gcc/g++ is<br>
getting used via your makefile.<br>
<br>
Do you get this error when you use PETSc example with a petsc<br>
makefile? Perhaps you need to format your makefile using petsc<br>
makefile format. For ex: check<br>
src/tao/leastsquares/examples/tutorials/makefile<br>
<br>
Satish<br>
<br>
On Sun, 13 Jan 2019, Choudhary, Devyani D via petsc-users wrote:<br>
<br>
> Hi,<br>
> <br>
> <br>
> I am trying to make a simple hello world script using a makefile that includes petsc, and am getting the error<br>
> <br>
> "g++: error: unrecognized command line option ‘-wd1572’"<br>
> <br>
> I am not sure how to fix it.<br>
> <br>
> Please let me know if you have some ideas on how to fix this.<br>
> <br>
> <br>
> Thank you<br>
> <br>
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