[Numpy-discussion] f2py - how to use .pyf files?
Fri Jul 18 18:47:08 CDT 2008
On Fri, Jul 18, 2008 at 18:35, Fernando Perez <email@example.com> wrote:
> On Fri, Jul 18, 2008 at 4:26 PM, Robert Kern <firstname.lastname@example.org> wrote:
>> On Fri, Jul 18, 2008 at 18:19, Fernando Perez <email@example.com> wrote:
>>> On Fri, Jul 18, 2008 at 3:53 PM, Robert Kern <firstname.lastname@example.org> wrote:
>>>> You still need "-m text2", I believe.
>>> Right, thanks. But it still doesn't quite work. Consider a makefile with
>>> lib: seglib.so
>>> seglib.so: Text2.f90
>>> f2py -c --fcompiler=gnu95 -m seglib Text2.f90
>>> pyf: Text2.f90
>>> f2py -h seglib.pyf -m seglib Text2.f90 --overwrite-signature
>>> lib2: Text2.f90
>>> f2py -c --fcompiler=gnu95 seglib.pyf
>> You still need to have Text2.f90 on the line.
> Ahah! I went on this:
> -h <filename> Write signatures of the fortran routines to file <filename>
> and exit. You can then edit <filename> and use it
> of <fortran files>.
> [emphasis mine]. The instead there led me to think that I should NOT
> list the fortran files. Should that docstring be fixed, or am I just
> misreading something?
> And do you have any ideas on why the f2py_options in setup.py don't
> correctly pass the --fcompiler flag down to f2py? It does work if one
> calls setup.py via
> ./setup.py config_fc --fcompiler=gnu95 build_ext --inplace
> but it seems it would be good to be able to set all f2py options
> inside the setup.py file (without resorting to sys.argv hacks). Or
> does this go against the grain of numpy.distutils?
For publicly distributed packages, it does go against the grain. Never
hard-code the compiler! Use a setup.cfg file, instead.
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
-- Umberto Eco
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