I worked . Thanks!!<br>there was no error during the installation. But when I tried to import scipy.signal, I got the following error<br><br>&gt;&gt;&gt; import scipy.signal<br>Traceback (most recent call last):<br>&nbsp; File &quot;&lt;stdin&gt;&quot;, line 1, in &lt;module&gt;
<br>&nbsp; File &quot;/usr/local/lib/python2.5/site-packages/scipy/signal/__init__.py&quot;, line 10, in &lt;module&gt;<br>&nbsp;&nbsp;&nbsp; from filter_design import *<br>&nbsp; File &quot;/usr/local/lib/python2.5/site-packages/scipy/signal/filter_design.py&quot;, line 9, in &lt;module&gt;
<br>&nbsp;&nbsp;&nbsp; from scipy import special, optimize<br>&nbsp; File &quot;/usr/local/lib/python2.5/site-packages/scipy/optimize/__init__.py&quot;, line 11, in &lt;module&gt;<br>&nbsp;&nbsp;&nbsp; from lbfgsb import fmin_l_bfgs_b<br>&nbsp; File &quot;/usr/local/lib/python2.5/site-packages/scipy/optimize/lbfgsb.py&quot;, line 30, in &lt;module&gt;
<br>&nbsp;&nbsp;&nbsp; import _lbfgsb<br>ImportError: /usr/local/lib/python2.5/site-packages/scipy/optimize/_lbfgsb.so: undefined symbol: _gfortran_st_write_done<br><br>How I can fix it?<br>Thanks<br>Vinu V<br><br><div class="gmail_quote">
On Dec 27, 2007 8:46 PM, Johann Cohen-Tanugi &lt;<a href="mailto:cohen@slac.stanford.edu">cohen@slac.stanford.edu</a>&gt; wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
hi Vinu,<br>you seem to have an installation of ATLAS which has not been built with<br>the -Fa alg -fPIC flags (forcing position independent code for each<br>compiler). See<br><a href="http://math-atlas.sourceforge.net/atlas_install/atlas_install.html#SECTION00043000000000000000" target="_blank">
http://math-atlas.sourceforge.net/atlas_install/atlas_install.html#SECTION00043000000000000000</a><br><br>Johann<br><div><div></div><div class="Wj3C7c"><br>Vinu Vikram wrote:<br>&gt; Hi all<br>&gt; I am facing problem when trying to install 
scipy0.6.0. The error I am<br>&gt; getting is<br>&gt; building &#39;scipy.integrate._odepack&#39; extension<br>&gt; compiling C sources<br>&gt; C compiler: gcc -pthread -fno-strict-aliasing -DNDEBUG -g -O3 -Wall<br>&gt; -Wstrict-prototypes -fPIC
<br>&gt;<br>&gt; compile options: &#39;-DATLAS_INFO=&quot;\&quot;3.6.0\&quot;&quot;<br>&gt; -I/usr/local/lib/python2.5/site-packages/numpy/core/include<br>&gt; -I/usr/local/include/python2.5 -c&#39;<br>&gt; /usr/bin/g77 -g -Wall -shared build/temp.linux-x86_64-
<br>&gt; 2.5/scipy/integrate/_odepackmodule.o<br>&gt; -L/home/vinu/ATLAS/lib/Linux_UNKNOWNSSE2_2<br>&gt; -Lbuild/temp.linux-x86_64-2.5 -lodepack -llinpack_lite -lmach<br>&gt; -lptf77blas -lptcblas -latlas -lg2c -o<br>&gt; build/lib.linux-x86_64-
2.5/scipy/integrate/_odepack.so<br>&gt; /usr/bin/ld:<br>&gt; /home/vinu/ATLAS/lib/Linux_UNKNOWNSSE2_2/libptf77blas.a(ATL_F77wrap_dptscal.o):<br>&gt; relocation R_X86_64_32 against `a local symbol&#39; can not be used when
<br>&gt; making a shared object; recompile with -fPIC<br>&gt; /home/vinu/ATLAS/lib/Linux_UNKNOWNSSE2_2/libptf77blas.a: could not<br>&gt; read symbols: Bad value<br>&gt; collect2: ld returned 1 exit status<br>&gt; /usr/bin/ld:
<br>&gt; /home/vinu/ATLAS/lib/Linux_UNKNOWNSSE2_2/libptf77blas.a(ATL_F77wrap_dptscal.o):<br>&gt; relocation R_X86_64_32 against `a local symbol&#39; can not be used when<br>&gt; making a shared object; recompile with -fPIC
<br>&gt; /home/vinu/ATLAS/lib/Linux_UNKNOWNSSE2_2/libptf77blas.a: could not<br>&gt; read symbols: Bad value<br>&gt; collect2: ld returned 1 exit status<br>&gt; error: Command &quot;/usr/bin/g77 -g -Wall -shared<br>&gt; build/temp.linux-x86_64-
2.5/scipy/integrate/_odepackmodule.o<br>&gt; -L/home/vinu/ATLAS/lib/Linux_UNKNOWNSSE2_2 -Lbuild/temp.linux-x86_64-<br>&gt; 2.5 -lodepack -llinpack_lite -lmach -lptf77blas -lptcblas -latlas<br>&gt; -lg2c -o build/lib.linux-x86_64-
2.5/scipy/integrate/_odepack.so&quot;<br>&gt; failed with exit status 1<br>&gt;<br>&gt; Please help me to solve this.<br>&gt; thanks<br>&gt; Vinu V<br>&gt;<br>&gt; --<br>&gt; VINU VIKRAM<br></div></div>&gt; <a href="http://iucaa.ernet.in/%7Evvinuv/" target="_blank">
http://iucaa.ernet.in/~vvinuv/</a> &lt;<a href="http://iucaa.ernet.in/%7Evvinuv/" target="_blank">http://iucaa.ernet.in/%7Evvinuv/</a>&gt;<br>&gt; ------------------------------------------------------------------------<br>
&gt;<br>&gt; _______________________________________________<br>&gt; SciPy-user mailing list<br>&gt; <a href="mailto:SciPy-user@scipy.org">SciPy-user@scipy.org</a><br>&gt; <a href="http://projects.scipy.org/mailman/listinfo/scipy-user" target="_blank">
http://projects.scipy.org/mailman/listinfo/scipy-user</a><br>&gt;<br>_______________________________________________<br>SciPy-user mailing list<br><a href="mailto:SciPy-user@scipy.org">SciPy-user@scipy.org</a><br><a href="http://projects.scipy.org/mailman/listinfo/scipy-user" target="_blank">
http://projects.scipy.org/mailman/listinfo/scipy-user</a><br></blockquote></div><br><br clear="all"><br>-- <br>VINU VIKRAM<br><a href="http://iucaa.ernet.in/~vvinuv/">http://iucaa.ernet.in/~vvinuv/</a>