[GRASS-user] libgrass_gmath

[Dave Roberts]

Hi Markus,

    Installing fftw-devel is what got libgrass_gmath to compile without 
errors, but it didn't help downstream.  I'm sure you're right about the 
cascade; I feel close, but can't quite get there yet.

Dave

On 02/23/2014 04:06 PM, Markus Neteler wrote:
> Dave,
>
> On Sun, Feb 23, 2014 at 11:58 PM, Dave Roberts
> <dvrbts at ecology.msu.montana.edu> wrote:
>> Markus,
>>
>>     Despite (or perhaps because of) downloading and installing new wxPython,
>> gdal, fftw, and others I have forgotten, compiling grass7_trunk generated
>> numerous errors.  libgrass_gmath.7.0.svn.so compiled successfully, but then
>> whether I set --with-fftw or --without=fftw libgrass_gnath generated
>> numerous errors related to missing references in fftw.  E.g. in r.gwflow
>>
>> /libgrass_gmath.7.0.svn.so: undefined reference to `fftw_execute'
>> /libgrass_gmath.7.0.svn.so: undefined reference to `fftw_plan_dft_2d'
>> /libgrass_gmath.7.0.svn.so: undefined reference to `fftw_destroy_plan'
>
> Do you have both fftw and fftw-devel installed?
>
>>    I noticed that the routines generating the errors are routines I don't
>> call, so despite the errors I tried make install and it worked!
>> However, I still have the problem that v.dissolve doesn't work.
>
> This will be a cascaded dependency issue: once
> libgrass_gmath.7.0.svn.so is right, also v.dissolve will start to
> work.
>
> Markus
>

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
David W. Roberts                                     office 406-994-4548
Professor and Head                                      FAX 406-994-3190
Department of Ecology                         email droberts at montana.edu
Montana State University
Bozeman, MT 59717-3460