Re: Problems building octave

[Stefan Husmann]

Am Tue, 29 Oct 2013 18:42:42 +0100
schrieb Torsten <address@hidden>:

> I suddenly encounter problems building octave. With an
> empty .build-dir and
> 
>   ./bootstrap
>   cd .build
>   ../configure
>   make
> 
> I get the error
> 
> Making all in interpreter
> make[3]: Entering directory
> `/home/ttl/software/octave/.build/doc/interpreter'
> ../../run-octave -f -q -H -p ../../../doc/interpreter --eval
> "geometryimages ('convhull', 'eps');"
> qhull input error: not enough points (0) to construct initial simplex
> (need 3)
> While executing:  | qhull Qt
> Options selected for Qhull 2009.1 2009/06/14:
>   Qtriangulate  _pre-merge  _zero-centrum
> error: convhulln: qhull failed
> error: called from:
> error:   /home/ttl/software/octave/.build/../scripts/geometry/convhull.m
> at line 59, column 7
> error:   /home/ttl/software/octave/doc/interpreter/geometryimages.m at
> line 73, column 7
> make[3]: *** [convhull.eps] Error 1
> 
> The points missing for qhull are generated in geometryimages.m by
> 
>   x = -3:0.05:3;
>   y = abs (sin (x));
> 
> x and y turn out to be empty because the "." in "0.05" is interpreted
> as ",".
> 
> This also occurs when I start octave with
> 
>   ./run-octave --no-gui
> 
> and enter a float
> 
>   octave-gui:1> 0:0.1:1    # the prompt really says octave-gui here
>   ans = [](1x0)
>   octave-gui:2> 0.3
>   ans = 0
> 
> The effect does not occur in the real gui version.
> 
> Changing LC_NUMERIC from de_DE.UTF-8 to en_US.UTF-8  solves the
> problem and I can finish the build.
> 
> Is anyone else running into this?
> 
> Torsten
> 
> 
> 

Yes, same here.