[yt-dev] Forthon 0.8.13

[Matthew Turk]

Hi Doug,

I haven't seen this, but it doesn't surprise me that there has been
some migration.  For yt-3.0, we don't need Forthon anymore, so it
might not be worth digging in too hard.

-Matt

On Wed, Jul 9, 2014 at 11:44 AM, Douglas Harvey Rudd <drudd at uchicago.edu> wrote:
> Hi all,
>
> Has anyone tried to build YT using a recent version of Forthon?  I've been building using 0.8.10 on an older Python installation but when I use any of 3 installations using Forthon 0.8.13 (pip installed, 0.8.15 is current) it fails due to misunderstanding how to construct the module fortran file from the module name:
>
> Traceback (most recent call last):
>   File "/software/python-2.7-2014q2-el6-x86_64/bin/Forthon", line 2, in <module>
>     import Forthon.Forthon_builder
>   File "/software/python-2.7-2014q2-el6-x86_64/lib/python2.7/site-packages/Forthon/Forthon_builder.py", line 87, in <module>
>     raise Exception('Main fortran file can not be found, please specify using the fortranfile option')
> Exception: Main fortran file can not be found, please specify using the fortranfile option
>
> ....
>
> subprocess.CalledProcessError: Command '['/software/python-2.7-2014q2-el6-x86_64/bin/Forthon', '-F', 'gfortran', '--compile_first', 'fKD_source', '--no2underscores', '--fopt', "'-O3'", 'fKD', 'fKD_source.f90']' returned non-zero exit status 1
>
>
> Looking through the differences in Forthon_builder.py between those two versions looks like fortranfile is set to a default in the older version:
> 0.8.10:34  fortranfile    = options.fortranfile or (pkg + '.' + options.fixed_suffix)
> 0.8.13:34  fortranfile    = options.fortranfile
>
> Adding a --fortranfile option for fKD.f90 seems to work, but I'm not certain this is the correct solution.  I'll submit a PR for the following change unless anyone else has a better idea (or reason it's a bad idea):
>
> setup.py:63
>         cmd = [Forthon_exe, "-F", "gfortran", "--compile_first",
>                "fKD_source", "--no2underscores", "--fopt", "'-O3'", "fKD",
>                "fKD_source.f90"]
>
> ->
>
>         cmd = [Forthon_exe, "-F", "gfortran", "--compile_first",
>                "fKD_source", "--no2underscores", "--fopt", "'-O3'", "-f", "fKD.f90",
>                "fKD", "fKD_source.f90"]
>
> Douglas Rudd
> Scientific Computing Consultant
> Research Computing Center
> drudd at uchicago.edu
>
>
>
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