Re: libGL errors building document default branch

[Tatsuro MATSUOKA]

----- Original Message -----

> From: Mike Miller 
> To: Tatsuro MATSUOKA 
> Cc: octave-maintainers
> Date: 2016/7/5, Tue 13:26
> Subject: Re: libGL errors building document default branch
> 
> On Tue, Jul 05, 2016 at 13:14:15 +0900, Tatsuro MATSUOKA wrote:
>>  I have tried to build dault branch source on Ubuntu 14.04 amd64.
>> 
>>  I have met a seg-fault in off-screen making figures.
>>  Perhaps this is due to bug 44478.
>> 
>>  So I executed
>> 
>>  LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libGL.so  make
>> 
>> 
>>  I have met the following message at each output of a figure. 
>> 
>>  libGL error: No matching fbConfigs or visuals found
>>  libGL error: failed to load driver: swrast
>>   
>>  I read octave.pdf. I seemed that no problems.
>> 
>>  What are above error messages?
> 
> Can you try building with --without-OSMesa?
> 
> The Ubuntu 14.04 libosmesa6* packages have some problems, see
> https://bugs.launchpad.net/bugs/1551028, I would recommend avoiding it
> completely. The manual figures will be built with gnuplot as a fallback.
> 


Thanks for the comprehensive explanations.
I have another osmesa built by mxe-octave native build to ubuntu.

I will try to build dev branch to use it at the next build.

Tatsuro