[f2py] I need help on liking external libs

[Pearu Peterson]

On Mon, 25 Feb 2002, Paulo Teotonio Sobrinho wrote:

> 
> Dear Peterson 

Call me Pearu ;)

> On Sat, 23 Feb 2002, Pearu Peterson wrote:
> 
> I removed my old f2py and installed  f2py 2.13.175-1212. After 
> f2py -c initgraphics.f  -m test -L/usr/X11R6/lib -lm -lg2 -lX11 -lgd
> I still get
> 
> >>> import test
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> ImportError: ./test.so: undefined symbol: g2_open_x11_
>  
> When I try ldd test.so I see that the libraries are all there. I also try
> to link just libg2.so but I still get the same message. Please help...

Try to use nm program to find out in which library the symbol g2_open_x11_
is accutally defined. I guess it should be in g2. But then, is libg2 a
Fortran library? Note the underscore at the end of  g2_open_x11_.
If libg2 is not a Fortran library and it contains a function g2_open_x11,
then you might need to write a small C wrapper containing eg

void g2_open_x11_(..) { g2_open_x11(...); }

Could you also send the output of f2py if you get more failures.

Pearu