Hi, dear members:

In order to avoid the 

<pre>ERROR: Unable to open element file <> for 
<WIND  ></pre>

On grass 7.8.2-1 ubuntu version, I tried to compile the updated version (7.8.3dev).
It seems that everything works in compilation step, but when I try to use nvis (3d View),
I got this message on console:

<pre>Starting 3D view mode...                                                        
NotImplementedError
The above exception was the direct cause of the following
exception:
Traceback (most recent call last):
  File "/home/kenneth/Descargas/grass78/grass-7.8.git_src_sn
apshot_2020_04_25/dist.x86_64-pc-linux-
gnu/gui/wxpython/mapdisp/toolbars.py", line 244, in
OnSelectTool
self.parent.AddNviz()
  File "/home/kenneth/Descargas/grass78/grass-7.8.git_src_sn
apshot_2020_04_25/dist.x86_64-pc-linux-
gnu/gui/wxpython/mapdisp/frame.py", line 392, in AddNviz
lmgr=self._layerManager)
  File "/home/kenneth/Descargas/grass78/grass-7.8.git_src_sn
apshot_2020_04_25/dist.x86_64-pc-linux-
gnu/gui/wxpython/nviz/mapwindow.py", line 103, in __init__
glcanvas.GLCanvas.__init__(self, parent, id,
attribList=attribs)
SystemError
:
<method-wrapper '__init__' of GLWindow object at
0x7f8e38a41f78> returned a result with an error set</pre>

What am I doing wrong?

I follow the steps at: 

<a href="https://grasswiki.osgeo.org/wiki/Compile_and_Install" target="_top" rel="nofollow" link="external">https://grasswiki.osgeo.org/wiki/Compile_and_Install</a>

and

<a href="https://grasswiki.osgeo.org/wiki/Compile_and_Install_Ubuntu" target="_top" rel="nofollow" link="external">https://grasswiki.osgeo.org/wiki/Compile_and_Install_Ubuntu</a>

My compilation parameters were:

<pre># "configure" source code for local machine (checks for CPU type etc):
MYCFLAGS='-O2 -fPIC -fno-common -fexceptions -std=gnu99 -fstack-protector -m64 -g -Wall'
#MYCXXFLAGS=''
MYLDFLAGS='-Wl,--no-undefined -Wl,-z,now'

LDFLAGS="$MYLDFLAGS" CFLAGS="$MYCFLAGS" CXXFLAGS="$MYCXXFLAGS" ./configure \
  --with-cxx \
  --enable-largefile \
  --with-proj --with-proj-share=/usr/share/proj \
  --with-gdal=/usr/bin/gdal-config \
  --with-python \
  --with-geos \
  --with-sqlite \
  --with-nls \
  --with-zstd \
  --with-pdal \
  --with-cairo --with-cairo-ldflags=-lfontconfig \
  --with-freetype=yes --with-freetype-includes="/usr/include/freetype2/" \
  --with-wxwidgets \
  --with-fftw \
  --with-motif \
  --with-opengl-libs=/usr/include/GL \
  --with-postgres=yes --with-postgres-includes="/usr/include/postgresql" \
  --without-netcdf \
  --without-mysql \
  --without-odbc \
  --without-openmp \
  --without-ffmpeg</pre>

My environment is:

<pre>No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.4 LTS
Release:        18.04
Codename:       bionic
geos-config --version
3.8.0
gdal-config --version
3.0.4

proj
Rel. 7.0.0, March 1st, 2020

flex --version
flex 2.6.4

python --version
Python 3.6.9

gcc --version
gcc (Ubuntu 9.3.0-11ubuntu0~18.04.1) 9.3.0

glxinfo | grep "OpenGL version"
OpenGL version string: 3.3.0 NVIDIA 340.108</pre>

Thank you for your help.

        
        
        
<br/><hr align="left" width="300" />
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