[GRASS-user] bwidget

[Glynn Clements]

Maciek Sieczka wrote:

> > The only (unrelated?) error I could spot in ./configure is:
> > checking whether to use GLw... yes
> > checking for location of GLw includes...
> > checking for GL/GLwMDrawA.h... no
> > checking for X11/GLw/GLwMDrawA.h... no
> > configure: error: *** Unable to locate GLwM includes.
> > 
> > For the rest, compilation seems to run smoothly, and this is the first
> > time I see this error.
> > Any hints?
> 
> I don't have this error at ./configure, unless I specify
> --with-glw=yes, not having the GLw installed. Please note GLw is not
> enabled by default. If you you haven't requested it, the error you
> are getting is strange.
> 
> I also wonder what we need GLw for in Grass anyway? It's not even
> mentioned on http://grass.itc.it/grass60/source/REQUIREMENTS.html nor
> in README and INSTALL files. I've never used it.

It's only used by r3.showdspf, which is no longer compiled even if you
do use --with-glw; AFAIK, it has been superseded by the inclusion of
3D raster functionality into NVIZ.

Note that GLw requires Motif, so the test will fail if you don't have
Motif (either OpenMotif or Lesstif) installed.

-- 
Glynn Clements <glynn at gclements.plus.com>