[Numpy-discussion] Calling routines from a Fortran library using python

[Nils Wagner]

On Thu, 18 Feb 2010 19:30:10 +0900
  David Cournapeau <david@silveregg.co.jp> wrote:
> Nils Wagner wrote:
> 
>> How do I convert the .a library to a .so library ?
> 
> You first "uncompress" the .a into a temporary 
>directory, with ar x on 
> Linux. Then, you group the .o together with gfortran 
>-shared 
> $LIST_OF_OBJECT + a few options. You can also look at 
>how Atlas does it 
> in its makefile.
> 
> As Matthieu mentioned, if the .o are not compiled with 
>-fPIC, you are 
> screwed on 64 bits architectures (unless you statically 
>link numpy in 
> your python interpreter, but I doubt you want to go that 
>road). It would 
> be somewhat surprising if your vendor did not shared 
>libraries 
> available, though.
> 
> cheers,
> 
> David

Ok I have extracted the *.o files from the static library.

Applying the file command to the object files yields

ELF 64-bit LSB relocatable, AMD x86-64, version 1 (SYSV), 
not stripped

What's that supposed to mean ?

Nils