<div>include ${PETSC_DIR}/conf/base<br>v: a.o b.o<br> -${CLINKER} -g3 -O0 -o v a.o b.o ${PETSC_SNES_LIB}</div>
<div> </div>
<div>and I compiled ex2 successfully.</div>
<div> </div>
<div>Thank you!<br><br><br></div>
<div class="gmail_quote">On Wed, Nov 11, 2009 at 12:49 AM, Satish Balay <span dir="ltr"><<a href="mailto:balay@mcs.anl.gov">balay@mcs.anl.gov</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Please send the complete compile command that gave this error.<br><br>Also do PETSc examples compile/run correctly? What do you get for:<br>
<br>cd src/ksp/ksp/examples/tutorials<br>make ex2<br>make ex2f<br><font color="#888888"><br>Satish<br></font>
<div>
<div></div>
<div class="h5"><br><br>On Tue, 10 Nov 2009, Yin Feng wrote:<br><br>> When I compiled petsc code, I encourntered following error code.<br>> the compiler is mpicc<br>><br>> /usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../../lib64/crt1.o(.text+0x21):<br>
> In function `_start':<br>> : undefined reference to `main'<br>> collect2: ld returned 1 exit status<br>><br>> Thank you in advance!<br>><br><br></div></div></blockquote></div><br>