[Pkg-octave-devel] Bug#877149: Bug#877149: octave-interval FTBFS: Depth and stencil doesn't match, are you sure you are using OSMesa >= 9.0?

[Oliver Heimlich]

On 03.10.2017 22:16, Mike Miller wrote:
> On Fri, Sep 29, 2017 at 10:50:08 +0300, Adrian Bunk wrote:
>> Some recent change in unstable makes octave-interval FTBFS:
> […]
>> error: __osmesa_print__: Depth and stencil doesn't match, are you sure you are using OSMesa >= 9.0?
> 
> This is due to mesa in unstable using libglvnd now. This appears to
> break Octave's attempt to use OSMesa and Mesa in the same executable
> context (confirmed on other distributions also using libglvnd).
> 
> One workaround is an ugly "LD_PRELOAD=libGLX_mesa.so.0".
> 
> Other workaround is to avoid using the OpenGL-based toolkits with
> figure("visible", "off").

Are you sure about the last part? This .octaverc sets
"defaultfigurevisibility" to "off", while the error occurs:

https://anonscm.debian.org/cgit/pkg-octave/octave-interval.git/tree/doc/.octaverc?id=ff5489babda7255f6256d1a1449b6418d18fa4a5

The image is then saved via OpenGL off-screen rendering.  When another
toolkit (gnuplot) is used, 3D graphics don't look so good...

So the solution would be to use that LD_PRELOAD for “make -C doc
manual.html”.  I guess that this can easily be tested in Debian unstable?

Oliver