Hi, <br><br>slpec used to work, but somehow I cannot compile it again after I recompiled petsc to enable complex variable support.  Here&#39;s what I did:<br><br>$ export SLEPC_DIR=$PWD<br>$ export PETSC_DIR=/Users/aeronova/Development/local/lib64/petsc/petsc-3.2-p4<br>
$ export CXX=&quot;/usr/bin/mpicxx&quot;<br>$ export CC=&quot;/usr/bin/mpicc&quot;<br>$ ./configure --prefix=/Users/aeronova/Development/local/lib64/slepc/slepc-3.1-p6<br>Checking environment...<br>Traceback (most recent call last):<br>
  File &quot;./configure&quot;, line 223, in &lt;module&gt;<br>    log.Write(&#39;PETSc install directory: &#39; + petscconf.INSTALL_DIR)<br>AttributeError: &#39;module&#39; object has no attribute &#39;INSTALL_DIR&#39;<br>
<br>Plz help me with this error.<br><br>