[GRASS5] r3.showdspf.opengl - GLwCreateMDrawingArea unreferenced

[Markus Neteler]

Hi all,

finally I found the problem of r3.showdspf.opengl didn't compile - 
"GLwCreateMDrawingArea unreferenced"
on my Linux box:

I didn't have compiled the SGI-widgets of Mesa... Unfortunately
the Mesa people don't realize that these are needed.

If you have this problem, follow:
http://www.geog.uni-hannover.de/grass/grass5/README.mesa31
-> "5. If you need the SGI Widgets for r3.showdspf.openGL:"

Works fine, now r3.showdspf.openGL compiles.

Just to tell you :-)

 Markus

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