[Visualpython-users] Re: vpython configuration question

[Jonathan B. <jbr...@ea...>]

On Sun, 2005-08-21 at 10:12 -0700, Eric Ayars wrote:
> Jonathan,
> 
> I'm having a spot of trouble with vpython, and perhaps you can help.  
> I've followed the instructions on vpython.org, with the following  
> customizations:
>      export CPPFLAGS=-I/usr/local/include/boost-1_33
>      export LDFLAGS=-L/usr/local/lib
>      /usr/local/lib$ ln -s libboost_python-gcc-mt-1_33.so /usr/local/ 
> lib/libboost_python.so
>      build$ ../visual-3.2.1/configure --prefix=/usr    (python is at / 
> usr/bin/python)
> 
>      build$ make
> At this point, build/src/build.log has a reminder to run 'libtool -- 
> finish /usr/lib/python2.4/site-packages/cvisual.la', so I did.
> 
>      build$ sudo make install
> Looks fine, but... when I import visual I get:
>  >>> from visual import *
>      ...
>      ... import cvisual
> ImportError: libgtkgl.so.5: cannot open shared object file: No such  
> file or directory
> 
> libgtkgl.so.5 is located in /usr/local/lib/
> 
> I'm guessing I need either a symbolic link somewhere, or another flag  
> passed to configure -- any hints? I'd think the LDFLAGS flag would  
> have taken care of this...

Add /usr/local/lib to LD_LIBRARY_PATH when you run Python.  See the
ld.so manpage.  Alternatively, if you want to use those libraries under
all conditions (and not just when running VPython), edit /etc/ld.so.conf
according to that manpage.

-Jonathan